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-rwxr-xr-xsystem/database/DB.php42
-rw-r--r--system/database/DB_active_rec.php263
-rw-r--r--system/database/DB_cache.php6
-rw-r--r--system/database/DB_driver.php765
-rw-r--r--system/database/DB_forge.php67
-rw-r--r--system/database/DB_result.php33
-rw-r--r--system/database/DB_utility.php126
-rw-r--r--system/database/drivers/cubrid/cubrid_driver.php460
-rw-r--r--system/database/drivers/cubrid/cubrid_forge.php118
-rw-r--r--system/database/drivers/cubrid/cubrid_result.php42
-rw-r--r--system/database/drivers/cubrid/cubrid_utility.php68
-rw-r--r--system/database/drivers/interbase/index.html10
-rw-r--r--system/database/drivers/interbase/interbase_driver.php486
-rw-r--r--system/database/drivers/interbase/interbase_forge.php224
-rw-r--r--system/database/drivers/interbase/interbase_result.php260
-rw-r--r--system/database/drivers/interbase/interbase_utility.php62
-rw-r--r--system/database/drivers/mssql/mssql_driver.php350
-rw-r--r--system/database/drivers/mssql/mssql_forge.php100
-rw-r--r--system/database/drivers/mssql/mssql_result.php44
-rw-r--r--system/database/drivers/mssql/mssql_utility.php59
-rw-r--r--system/database/drivers/mysql/mysql_driver.php264
-rw-r--r--system/database/drivers/mysql/mysql_forge.php75
-rw-r--r--system/database/drivers/mysql/mysql_result.php24
-rw-r--r--system/database/drivers/mysql/mysql_utility.php62
-rw-r--r--system/database/drivers/mysqli/mysqli_driver.php280
-rw-r--r--system/database/drivers/mysqli/mysqli_forge.php97
-rw-r--r--system/database/drivers/mysqli/mysqli_result.php41
-rw-r--r--system/database/drivers/mysqli/mysqli_utility.php50
-rw-r--r--system/database/drivers/oci8/oci8_driver.php539
-rw-r--r--system/database/drivers/oci8/oci8_forge.php173
-rw-r--r--system/database/drivers/oci8/oci8_result.php575
-rw-r--r--system/database/drivers/oci8/oci8_utility.php59
-rw-r--r--system/database/drivers/odbc/odbc_driver.php349
-rw-r--r--system/database/drivers/odbc/odbc_forge.php117
-rw-r--r--system/database/drivers/odbc/odbc_result.php194
-rw-r--r--system/database/drivers/odbc/odbc_utility.php73
-rw-r--r--system/database/drivers/pdo/pdo_driver.php670
-rw-r--r--system/database/drivers/pdo/pdo_forge.php124
-rw-r--r--system/database/drivers/pdo/pdo_result.php169
-rw-r--r--system/database/drivers/pdo/pdo_utility.php73
-rw-r--r--system/database/drivers/postgre/postgre_driver.php437
-rw-r--r--system/database/drivers/postgre/postgre_forge.php100
-rw-r--r--system/database/drivers/postgre/postgre_result.php62
-rw-r--r--system/database/drivers/postgre/postgre_utility.php60
-rw-r--r--system/database/drivers/sqlite/sqlite_driver.php326
-rw-r--r--system/database/drivers/sqlite/sqlite_forge.php92
-rw-r--r--system/database/drivers/sqlite/sqlite_result.php86
-rw-r--r--system/database/drivers/sqlite/sqlite_utility.php68
-rw-r--r--system/database/drivers/sqlite3/index.html10
-rw-r--r--system/database/drivers/sqlite3/sqlite3_driver.php431
-rw-r--r--system/database/drivers/sqlite3/sqlite3_forge.php195
-rw-r--r--system/database/drivers/sqlite3/sqlite3_result.php615
-rw-r--r--system/database/drivers/sqlite3/sqlite3_utility.php54
-rw-r--r--system/database/drivers/sqlsrv/sqlsrv_driver.php395
-rw-r--r--system/database/drivers/sqlsrv/sqlsrv_forge.php102
-rw-r--r--system/database/drivers/sqlsrv/sqlsrv_result.php68
-rw-r--r--system/database/drivers/sqlsrv/sqlsrv_utility.php65
57 files changed, 5488 insertions, 5271 deletions
diff --git a/system/database/DB.php b/system/database/DB.php
index ed6afd7ed..0d81e40d3 100755
--- a/system/database/DB.php
+++ b/system/database/DB.php
@@ -2,7 +2,7 @@
/**
* CodeIgniter
*
- * An open source application development framework for PHP 5.1.6 or newer
+ * An open source application development framework for PHP 5.2.4 or newer
*
* NOTICE OF LICENSE
*
@@ -37,11 +37,11 @@
function &DB($params = '', $active_record_override = NULL)
{
// Load the DB config file if a DSN string wasn't passed
- if (is_string($params) AND strpos($params, '://') === FALSE)
+ if (is_string($params) && strpos($params, '://') === FALSE)
{
// Is the config file in the environment folder?
if (( ! defined('ENVIRONMENT') OR ! file_exists($file_path = APPPATH.'config/'.ENVIRONMENT.'/database.php'))
- AND ! file_exists($file_path = APPPATH.'config/database.php'))
+ && ! file_exists($file_path = APPPATH.'config/database.php'))
{
show_error('The configuration file database.php does not exist.');
}
@@ -74,33 +74,30 @@ function &DB($params = '', $active_record_override = NULL)
* parameter. DSNs must have this prototype:
* $dsn = 'driver://username:password@hostname/database';
*/
- if (($dns = @parse_url($params)) === FALSE)
+ if (($dsn = @parse_url($params)) === FALSE)
{
show_error('Invalid DB Connection String');
}
$params = array(
- 'dbdriver' => $dns['scheme'],
- 'hostname' => (isset($dns['host'])) ? rawurldecode($dns['host']) : '',
- 'username' => (isset($dns['user'])) ? rawurldecode($dns['user']) : '',
- 'password' => (isset($dns['pass'])) ? rawurldecode($dns['pass']) : '',
- 'database' => (isset($dns['path'])) ? rawurldecode(substr($dns['path'], 1)) : ''
+ 'dbdriver' => $dsn['scheme'],
+ 'hostname' => isset($dsn['host']) ? rawurldecode($dsn['host']) : '',
+ 'port' => isset($dsn['port']) ? rawurldecode($dsn['port']) : '',
+ 'username' => isset($dsn['user']) ? rawurldecode($dsn['user']) : '',
+ 'password' => isset($dsn['pass']) ? rawurldecode($dsn['pass']) : '',
+ 'database' => isset($dsn['path']) ? rawurldecode(substr($dsn['path'], 1)) : ''
);
// were additional config items set?
- if (isset($dns['query']))
+ if (isset($dsn['query']))
{
- parse_str($dns['query'], $extra);
+ parse_str($dsn['query'], $extra);
+
foreach ($extra as $key => $val)
{
- // booleans please
- if (strtoupper($val) === 'TRUE')
- {
- $val = TRUE;
- }
- elseif (strtoupper($val) === 'FALSE')
+ if (is_string($val) && in_array(strtoupper($val), array('TRUE', 'FALSE', 'NULL')))
{
- $val = FALSE;
+ $val = var_export($val);
}
$params[$key] = $val;
@@ -137,7 +134,12 @@ function &DB($params = '', $active_record_override = NULL)
class CI_DB extends CI_DB_driver { }
}
- require_once(BASEPATH.'database/drivers/'.$params['dbdriver'].'/'.$params['dbdriver'].'_driver.php');
+ // Load the DB driver
+ $driver_file = BASEPATH.'database/drivers/'.$params['dbdriver'].'/'.$params['dbdriver'].'_driver.php';
+
+ if ( ! file_exists($driver_file)) show_error('Invalid DB driver');
+
+ require_once($driver_file);
// Instantiate the DB adapter
$driver = 'CI_DB_'.$params['dbdriver'].'_driver';
@@ -157,4 +159,4 @@ function &DB($params = '', $active_record_override = NULL)
}
/* End of file DB.php */
-/* Location: ./system/database/DB.php */
+/* Location: ./system/database/DB.php */ \ No newline at end of file
diff --git a/system/database/DB_active_rec.php b/system/database/DB_active_rec.php
index 424735157..a5df7f31a 100644
--- a/system/database/DB_active_rec.php
+++ b/system/database/DB_active_rec.php
@@ -2,7 +2,7 @@
/**
* CodeIgniter
*
- * An open source application development framework for PHP 5.1.6 or newer
+ * An open source application development framework for PHP 5.2.4 or newer
*
* NOTICE OF LICENSE
*
@@ -25,8 +25,6 @@
* @filesource
*/
-// ------------------------------------------------------------------------
-
/**
* Active Record Class
*
@@ -38,7 +36,7 @@
* @author EllisLab Dev Team
* @link http://codeigniter.com/user_guide/database/
*/
-class CI_DB_active_record extends CI_DB_driver {
+abstract class CI_DB_active_record extends CI_DB_driver {
protected $return_delete_sql = FALSE;
protected $reset_delete_data = FALSE;
@@ -212,8 +210,9 @@ class CI_DB_active_record extends CI_DB_driver {
$alias = $this->_create_alias_from_table(trim($select));
}
- $sql = $this->_protect_identifiers($type.'('.trim($select).')').' AS '.$this->_protect_identifiers(trim($alias));
+ $sql = $this->protect_identifiers($type.'('.trim($select).')').' AS '.$this->protect_identifiers(trim($alias));
$this->ar_select[] = $sql;
+ $this->ar_no_escape[] = NULL;
if ($this->ar_caching === TRUE)
{
@@ -236,7 +235,8 @@ class CI_DB_active_record extends CI_DB_driver {
{
if (strpos($item, '.') !== FALSE)
{
- return end(explode('.', $item));
+ $item = explode('.', $item);
+ return end($item);
}
return $item;
@@ -278,7 +278,7 @@ class CI_DB_active_record extends CI_DB_driver {
{
$v = trim($v);
$this->_track_aliases($v);
- $v = $this->ar_from[] = $this->_protect_identifiers($v, TRUE, NULL, FALSE);
+ $v = $this->ar_from[] = $this->protect_identifiers($v, TRUE, NULL, FALSE);
if ($this->ar_caching === TRUE)
{
@@ -294,7 +294,7 @@ class CI_DB_active_record extends CI_DB_driver {
// Extract any aliases that might exist. We use this information
// in the _protect_identifiers to know whether to add a table prefix
$this->_track_aliases($val);
- $this->ar_from[] = $val = $this->_protect_identifiers($val, TRUE, NULL, FALSE);
+ $this->ar_from[] = $val = $this->protect_identifiers($val, TRUE, NULL, FALSE);
if ($this->ar_caching === TRUE)
{
@@ -340,13 +340,13 @@ class CI_DB_active_record extends CI_DB_driver {
$this->_track_aliases($table);
// Strip apart the condition and protect the identifiers
- if (preg_match('/([\w\.]+)([\W\s]+)(.+)/', $cond, $match))
+ if (preg_match('/([\[\w\.]+)([\W\s]+)(.+)/', $cond, $match))
{
- $cond = $this->_protect_identifiers($match[1]).$match[2].$this->_protect_identifiers($match[3]);
+ $cond = $this->protect_identifiers($match[1]).$match[2].$this->protect_identifiers($match[3]);
}
// Assemble the JOIN statement
- $this->ar_join[] = $join = $type.'JOIN '.$this->_protect_identifiers($table, TRUE, NULL, FALSE).' ON '.$cond;
+ $this->ar_join[] = $join = $type.'JOIN '.$this->protect_identifiers($table, TRUE, NULL, FALSE).' ON '.$cond;
if ($this->ar_caching === TRUE)
{
@@ -420,7 +420,7 @@ class CI_DB_active_record extends CI_DB_driver {
foreach ($key as $k => $v)
{
- $prefix = (count($this->ar_where) === 0 AND count($this->ar_cache_where) === 0) ? '' : $type;
+ $prefix = (count($this->ar_where) === 0 && count($this->ar_cache_where) === 0) ? '' : $type;
if (is_null($v) && ! $this->_has_operator($k))
{
@@ -432,7 +432,7 @@ class CI_DB_active_record extends CI_DB_driver {
{
if ($escape === TRUE)
{
- $k = $this->_protect_identifiers($k, FALSE, $escape);
+ $k = $this->protect_identifiers($k, FALSE, $escape);
$v = ' '.$this->escape($v);
}
@@ -443,7 +443,7 @@ class CI_DB_active_record extends CI_DB_driver {
}
else
{
- $k = $this->_protect_identifiers($k, FALSE, $escape);
+ $k = $this->protect_identifiers($k, FALSE, $escape);
}
$this->ar_where[] = $prefix.$k.$v;
@@ -535,7 +535,7 @@ class CI_DB_active_record extends CI_DB_driver {
*
* @param string The field to search
* @param array The values searched on
- * @param boolean If the statement would be IN or NOT IN
+ * @param bool If the statement would be IN or NOT IN
* @param string
* @return object
*/
@@ -561,7 +561,7 @@ class CI_DB_active_record extends CI_DB_driver {
}
$prefix = (count($this->ar_where) === 0) ? '' : $type;
- $this->ar_where[] = $where_in = $prefix.$this->_protect_identifiers($key).$not.' IN ('.implode(', ', $this->ar_wherein).') ';
+ $this->ar_where[] = $where_in = $prefix.$this->protect_identifiers($key).$not.' IN ('.implode(', ', $this->ar_wherein).') ';
if ($this->ar_caching === TRUE)
{
@@ -665,7 +665,7 @@ class CI_DB_active_record extends CI_DB_driver {
foreach ($field as $k => $v)
{
- $k = $this->_protect_identifiers($k);
+ $k = $this->protect_identifiers($k);
$prefix = (count($this->ar_like) === 0) ? '' : $type;
$v = $this->escape_like_str($v);
@@ -717,7 +717,7 @@ class CI_DB_active_record extends CI_DB_driver {
{
$type = $this->_group_get_type($type);
$this->ar_where_group_started = TRUE;
- $prefix = (count($this->ar_where) === 0 AND count($this->ar_cache_where) === 0) ? '' : $type;
+ $prefix = (count($this->ar_where) === 0 && count($this->ar_cache_where) === 0) ? '' : $type;
$this->ar_where[] = $value = $prefix.$not.str_repeat(' ', ++$this->ar_where_group_count).' (';
if ($this->ar_caching)
@@ -826,7 +826,7 @@ class CI_DB_active_record extends CI_DB_driver {
if ($val != '')
{
- $this->ar_groupby[] = $val = $this->_protect_identifiers($val);
+ $this->ar_groupby[] = $val = $this->protect_identifiers($val);
if ($this->ar_caching === TRUE)
{
@@ -895,7 +895,7 @@ class CI_DB_active_record extends CI_DB_driver {
if ($escape === TRUE)
{
- $k = $this->_protect_identifiers($k);
+ $k = $this->protect_identifiers($k);
}
if ( ! $this->_has_operator($k))
@@ -950,7 +950,7 @@ class CI_DB_active_record extends CI_DB_driver {
$part = trim($part);
if ( ! in_array($part, $this->ar_aliased_tables))
{
- $part = $this->_protect_identifiers(trim($part));
+ $part = $this->protect_identifiers(trim($part));
}
$temp[] = $part;
@@ -962,7 +962,7 @@ class CI_DB_active_record extends CI_DB_driver {
{
if ($escape === TRUE)
{
- $orderby = $this->_protect_identifiers($orderby);
+ $orderby = $this->protect_identifiers($orderby);
}
}
@@ -982,8 +982,8 @@ class CI_DB_active_record extends CI_DB_driver {
/**
* Sets the LIMIT value
*
- * @param integer the limit value
- * @param integer the offset value
+ * @param int the limit value
+ * @param int the offset value
* @return object
*/
public function limit($value, $offset = NULL)
@@ -1003,7 +1003,7 @@ class CI_DB_active_record extends CI_DB_driver {
/**
* Sets the OFFSET value
*
- * @param integer the offset value
+ * @param int the offset value
* @return object
*/
public function offset($offset)
@@ -1019,7 +1019,7 @@ class CI_DB_active_record extends CI_DB_driver {
*
* @param mixed
* @param string
- * @param boolean
+ * @param bool
* @return object
*/
public function set($key, $value = '', $escape = TRUE)
@@ -1035,11 +1035,11 @@ class CI_DB_active_record extends CI_DB_driver {
{
if ($escape === FALSE)
{
- $this->ar_set[$this->_protect_identifiers($k)] = $v;
+ $this->ar_set[$this->protect_identifiers($k)] = $v;
}
else
{
- $this->ar_set[$this->_protect_identifiers($k, FALSE, TRUE)] = $this->escape($v);
+ $this->ar_set[$this->protect_identifiers($k, FALSE, TRUE)] = $this->escape($v);
}
}
@@ -1053,9 +1053,8 @@ class CI_DB_active_record extends CI_DB_driver {
*
* Compiles a SELECT query string and returns the sql.
*
- * @access public
* @param string the table name to select from (optional)
- * @param boolean TRUE: resets AR values; FALSE: leave AR vaules alone
+ * @param bool TRUE: resets AR values; FALSE: leave AR vaules alone
* @return string
*/
public function get_compiled_select($table = '', $reset = TRUE)
@@ -1124,7 +1123,7 @@ class CI_DB_active_record extends CI_DB_driver {
$this->from($table);
}
- $result = $this->query($this->_compile_select($this->_count_string.$this->_protect_identifiers('numrows')));
+ $result = $this->query($this->_compile_select($this->_count_string.$this->protect_identifiers('numrows')));
$this->_reset_select();
if ($result->num_rows() === 0)
@@ -1210,7 +1209,7 @@ class CI_DB_active_record extends CI_DB_driver {
// Batch this baby
for ($i = 0, $total = count($this->ar_set); $i < $total; $i += 100)
{
- $this->query($this->_insert_batch($this->_protect_identifiers($table, TRUE, NULL, FALSE), $this->ar_keys, array_slice($this->ar_set, $i, 100)));
+ $this->query($this->_insert_batch($this->protect_identifiers($table, TRUE, NULL, FALSE), $this->ar_keys, array_slice($this->ar_set, $i, 100)));
}
$this->_reset_write();
@@ -1220,11 +1219,28 @@ class CI_DB_active_record extends CI_DB_driver {
// --------------------------------------------------------------------
/**
+ * Insert_batch statement
+ *
+ * Generates a platform-specific insert string from the supplied data.
+ *
+ * @param string the table name
+ * @param array the insert keys
+ * @param array the insert values
+ * @return string
+ */
+ protected function _insert_batch($table, $keys, $values)
+ {
+ return 'INSERT INTO '.$table.' ('.implode(', ', $keys).') VALUES '.implode(', ', $values);
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
* The "set_insert_batch" function. Allows key/value pairs to be set for batch inserts
*
* @param mixed
* @param string
- * @param boolean
+ * @param bool
* @return object
*/
public function set_insert_batch($key, $value = '', $escape = TRUE)
@@ -1268,7 +1284,7 @@ class CI_DB_active_record extends CI_DB_driver {
foreach ($keys as $k)
{
- $this->ar_keys[] = $this->_protect_identifiers($k);
+ $this->ar_keys[] = $this->protect_identifiers($k);
}
return $this;
@@ -1281,9 +1297,8 @@ class CI_DB_active_record extends CI_DB_driver {
*
* Compiles an insert query and returns the sql
*
- * @access public
* @param string the table to insert into
- * @param boolean TRUE: reset AR values; FALSE: leave AR values alone
+ * @param bool TRUE: reset AR values; FALSE: leave AR values alone
* @return string
*/
public function get_compiled_insert($table = '', $reset = TRUE)
@@ -1294,9 +1309,7 @@ class CI_DB_active_record extends CI_DB_driver {
}
$sql = $this->_insert(
- $this->_protect_identifiers(
- $this->ar_from[0], TRUE, NULL, FALSE
- ),
+ $this->protect_identifiers($this->ar_from[0], TRUE, NULL, FALSE),
array_keys($this->ar_set),
array_values($this->ar_set)
);
@@ -1316,7 +1329,6 @@ class CI_DB_active_record extends CI_DB_driver {
*
* Compiles an insert string and runs the query
*
- * @access public
* @param string the table to insert data into
* @param array an associative array of insert values
* @return object
@@ -1334,9 +1346,7 @@ class CI_DB_active_record extends CI_DB_driver {
}
$sql = $this->_insert(
- $this->_protect_identifiers(
- $this->ar_from[0], TRUE, NULL, FALSE
- ),
+ $this->protect_identifiers($this->ar_from[0], TRUE, NULL, FALSE),
array_keys($this->ar_set),
array_values($this->ar_set)
);
@@ -1348,13 +1358,29 @@ class CI_DB_active_record extends CI_DB_driver {
// --------------------------------------------------------------------
/**
+ * Insert statement
+ *
+ * Generates a platform-specific insert string from the supplied data
+ *
+ * @param string the table name
+ * @param array the insert keys
+ * @param array the insert values
+ * @return string
+ */
+ protected function _insert($table, $keys, $values)
+ {
+ return 'INSERT INTO '.$table.' ('.implode(', ', $keys).') VALUES ('.implode(', ', $values).')';
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
* Validate Insert
*
* This method is used by both insert() and get_compiled_insert() to
* validate that the there data is actually being set and that table
* has been chosen to be inserted into.
*
- * @access public
* @param string the table to insert data into
* @return string
*/
@@ -1413,7 +1439,7 @@ class CI_DB_active_record extends CI_DB_driver {
$table = $this->ar_from[0];
}
- $sql = $this->_replace($this->_protect_identifiers($table, TRUE, NULL, FALSE), array_keys($this->ar_set), array_values($this->ar_set));
+ $sql = $this->_replace($this->protect_identifiers($table, TRUE, NULL, FALSE), array_keys($this->ar_set), array_values($this->ar_set));
$this->_reset_write();
return $this->query($sql);
}
@@ -1421,13 +1447,29 @@ class CI_DB_active_record extends CI_DB_driver {
// --------------------------------------------------------------------
/**
+ * Replace statement
+ *
+ * Generates a platform-specific replace string from the supplied data
+ *
+ * @param string the table name
+ * @param array the insert keys
+ * @param array the insert values
+ * @return string
+ */
+ protected function _replace($table, $keys, $values)
+ {
+ return 'REPLACE INTO '.$table.' ('.implode(', ', $keys).') VALUES ('.implode(', ', $values).')';
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
* Get UPDATE query string
*
* Compiles an update query and returns the sql
*
- * @access public
* @param string the table to update
- * @param boolean TRUE: reset AR values; FALSE: leave AR values alone
+ * @param bool TRUE: reset AR values; FALSE: leave AR values alone
* @return string
*/
public function get_compiled_update($table = '', $reset = TRUE)
@@ -1440,7 +1482,7 @@ class CI_DB_active_record extends CI_DB_driver {
return FALSE;
}
- $sql = $this->_update($this->_protect_identifiers($this->ar_from[0], TRUE, NULL, FALSE), $this->ar_set, $this->ar_where, $this->ar_orderby, $this->ar_limit);
+ $sql = $this->_update($this->protect_identifiers($this->ar_from[0], TRUE, NULL, FALSE), $this->ar_set, $this->ar_where, $this->ar_orderby, $this->ar_limit);
if ($reset === TRUE)
{
@@ -1487,7 +1529,7 @@ class CI_DB_active_record extends CI_DB_driver {
$this->limit($limit);
}
- $sql = $this->_update($this->_protect_identifiers($this->ar_from[0], TRUE, NULL, FALSE), $this->ar_set, $this->ar_where, $this->ar_orderby, $this->ar_limit, $this->ar_like);
+ $sql = $this->_update($this->protect_identifiers($this->ar_from[0], TRUE, NULL, FALSE), $this->ar_set, $this->ar_where, $this->ar_orderby, $this->ar_limit, $this->ar_like);
$this->_reset_write();
return $this->query($sql);
}
@@ -1495,13 +1537,47 @@ class CI_DB_active_record extends CI_DB_driver {
// --------------------------------------------------------------------
/**
+ * Update statement
+ *
+ * Generates a platform-specific update string from the supplied data
+ *
+ * @param string the table name
+ * @param array the update data
+ * @param array the where clause
+ * @param array the orderby clause
+ * @param array the limit clause
+ * @param array the like clause
+ * @return string
+ */
+ protected function _update($table, $values, $where, $orderby = array(), $limit = FALSE, $like = array())
+ {
+ foreach ($values as $key => $val)
+ {
+ $valstr[] = $key.' = '.$val;
+ }
+
+ $where = empty($where) ? '' : ' WHERE '.implode(' ', $where);
+
+ if ( ! empty($like))
+ {
+ $where .= ($where === '' ? ' WHERE ' : ' AND ').implode(' ', $like);
+ }
+
+ return 'UPDATE '.$table.' SET '.implode(', ', $valstr)
+ .$where
+ .(count($orderby) > 0 ? ' ORDER BY '.implode(', ', $orderby) : '')
+ .($limit ? ' LIMIT '.$limit : '');
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
* Validate Update
*
* This method is used by both update() and get_compiled_update() to
* validate that data is actually being set and that a table has been
* chosen to be update.
*
- * @access public
* @param string the table to update data on
* @return bool
*/
@@ -1572,7 +1648,7 @@ class CI_DB_active_record extends CI_DB_driver {
// Batch this baby
for ($i = 0, $total = count($this->ar_set); $i < $total; $i += 100)
{
- $this->query($this->_update_batch($this->_protect_identifiers($table, TRUE, NULL, FALSE), array_slice($this->ar_set, $i, 100), $this->_protect_identifiers($index), $this->ar_where));
+ $this->query($this->_update_batch($this->protect_identifiers($table, TRUE, NULL, FALSE), array_slice($this->ar_set, $i, 100), $this->protect_identifiers($index), $this->ar_where));
}
$this->_reset_write();
@@ -1586,7 +1662,7 @@ class CI_DB_active_record extends CI_DB_driver {
*
* @param array
* @param string
- * @param boolean
+ * @param bool
* @return object
*/
public function set_update_batch($key, $index = '', $escape = TRUE)
@@ -1613,7 +1689,7 @@ class CI_DB_active_record extends CI_DB_driver {
$not[] = $k.'-'.$v;
}
- $clean[$this->_protect_identifiers($k2)] = ($escape === FALSE) ? $v2 : $this->escape($v2);
+ $clean[$this->protect_identifiers($k2)] = ($escape === FALSE) ? $v2 : $this->escape($v2);
}
if ($index_set == FALSE)
@@ -1650,7 +1726,7 @@ class CI_DB_active_record extends CI_DB_driver {
}
else
{
- $table = $this->_protect_identifiers($table, TRUE, NULL, FALSE);
+ $table = $this->protect_identifiers($table, TRUE, NULL, FALSE);
}
$sql = $this->_delete($table);
@@ -1683,7 +1759,7 @@ class CI_DB_active_record extends CI_DB_driver {
}
else
{
- $table = $this->_protect_identifiers($table, TRUE, NULL, FALSE);
+ $table = $this->protect_identifiers($table, TRUE, NULL, FALSE);
}
$sql = $this->_truncate($table);
@@ -1694,13 +1770,30 @@ class CI_DB_active_record extends CI_DB_driver {
// --------------------------------------------------------------------
/**
+ * Truncate statement
+ *
+ * Generates a platform-specific truncate string from the supplied data
+ *
+ * If the database does not support the truncate() command,
+ * then this method maps to 'DELETE FROM table'
+ *
+ * @param string the table name
+ * @return string
+ */
+ protected function _truncate($table)
+ {
+ return 'TRUNCATE '.$table;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
* Get DELETE query string
*
* Compiles a delete query string and returns the sql
*
- * @access public
* @param string the table to delete from
- * @param boolean TRUE: reset AR values; FALSE: leave AR values alone
+ * @param bool TRUE: reset AR values; FALSE: leave AR values alone
* @return string
*/
public function get_compiled_delete($table = '', $reset = TRUE)
@@ -1721,7 +1814,7 @@ class CI_DB_active_record extends CI_DB_driver {
* @param mixed the table(s) to delete from. String or array
* @param mixed the where clause
* @param mixed the limit clause
- * @param boolean
+ * @param bool
* @return object
*/
public function delete($table = '', $where = '', $limit = NULL, $reset_data = TRUE)
@@ -1750,7 +1843,7 @@ class CI_DB_active_record extends CI_DB_driver {
}
else
{
- $table = $this->_protect_identifiers($table, TRUE, NULL, FALSE);
+ $table = $this->protect_identifiers($table, TRUE, NULL, FALSE);
}
if ($where != '')
@@ -1780,6 +1873,31 @@ class CI_DB_active_record extends CI_DB_driver {
// --------------------------------------------------------------------
/**
+ * Delete statement
+ *
+ * Generates a platform-specific delete string from the supplied data
+ *
+ * @param string the table name
+ * @param array the where clause
+ * @param array the like clause
+ * @param string the limit clause
+ * @return string
+ */
+ protected function _delete($table, $where = array(), $like = array(), $limit = FALSE)
+ {
+ $conditions = array();
+
+ empty($where) OR $conditions[] = implode(' ', $where);
+ empty($like) OR $conditions[] = implode(' ', $like);
+
+ return 'DELETE FROM '.$table
+ .(count($conditions) > 0 ? ' WHERE '.implode(' AND ', $conditions) : '')
+ .($limit ? ' LIMIT '.$limit : '');
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
* DB Prefix
*
* Prepends a database prefix if one exists in configuration
@@ -1893,7 +2011,7 @@ class CI_DB_active_record extends CI_DB_driver {
foreach ($this->ar_select as $key => $val)
{
$no_escape = isset($this->ar_no_escape[$key]) ? $this->ar_no_escape[$key] : NULL;
- $this->ar_select[$key] = $this->_protect_identifiers($val, FALSE, $no_escape);
+ $this->ar_select[$key] = $this->protect_identifiers($val, FALSE, $no_escape);
}
$sql .= implode(', ', $this->ar_select);
@@ -2064,7 +2182,6 @@ class CI_DB_active_record extends CI_DB_driver {
*
* Empties the AR cache
*
- * @access public
* @return void
*/
public function flush_cache()
@@ -2116,7 +2233,7 @@ class CI_DB_active_record extends CI_DB_driver {
// If we are "protecting identifiers" we need to examine the "from"
// portion of the query to determine if there are any aliases
- if ($this->_protect_identifiers === TRUE AND count($this->ar_cache_from) > 0)
+ if ($this->_protect_identifiers === TRUE && count($this->ar_cache_from) > 0)
{
$this->_track_aliases($this->ar_from);
}
@@ -2199,19 +2316,19 @@ class CI_DB_active_record extends CI_DB_driver {
protected function _reset_write()
{
$this->_reset_run(array(
- 'ar_set' => array(),
- 'ar_from' => array(),
- 'ar_where' => array(),
- 'ar_like' => array(),
- 'ar_orderby' => array(),
- 'ar_keys' => array(),
- 'ar_limit' => FALSE,
- 'ar_order' => FALSE
- )
- );
+ 'ar_set' => array(),
+ 'ar_from' => array(),
+ 'ar_where' => array(),
+ 'ar_like' => array(),
+ 'ar_orderby' => array(),
+ 'ar_keys' => array(),
+ 'ar_limit' => FALSE,
+ 'ar_order' => FALSE
+ )
+ );
}
}
/* End of file DB_active_rec.php */
-/* Location: ./system/database/DB_active_rec.php */
+/* Location: ./system/database/DB_active_rec.php */ \ No newline at end of file
diff --git a/system/database/DB_cache.php b/system/database/DB_cache.php
index 79651fcb0..ff942856b 100644
--- a/system/database/DB_cache.php
+++ b/system/database/DB_cache.php
@@ -2,7 +2,7 @@
/**
* CodeIgniter
*
- * An open source application development framework for PHP 5.1.6 or newer
+ * An open source application development framework for PHP 5.2.4 or newer
*
* NOTICE OF LICENSE
*
@@ -177,10 +177,10 @@ class CI_DB_Cache {
*/
public function delete_all()
{
- delete_files($this->db->cachedir, TRUE);
+ delete_files($this->db->cachedir, TRUE, 0, TRUE);
}
}
/* End of file DB_cache.php */
-/* Location: ./system/database/DB_cache.php */
+/* Location: ./system/database/DB_cache.php */ \ No newline at end of file
diff --git a/system/database/DB_driver.php b/system/database/DB_driver.php
index 7445a5069..61b05d52b 100644
--- a/system/database/DB_driver.php
+++ b/system/database/DB_driver.php
@@ -1,13 +1,13 @@
-<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
- * An open source application development framework for PHP 5.1.6 or newer
+ * An open source application development framework for PHP 5.2.4 or newer
*
* NOTICE OF LICENSE
- *
+ *
* Licensed under the Open Software License version 3.0
- *
+ *
* This source file is subject to the Open Software License (OSL 3.0) that is
* bundled with this package in the files license.txt / license.rst. It is
* also available through the world wide web at this URL:
@@ -25,8 +25,6 @@
* @filesource
*/
-// ------------------------------------------------------------------------
-
/**
* Database Driver Class
*
@@ -40,57 +38,46 @@
* @author EllisLab Dev Team
* @link http://codeigniter.com/user_guide/database/
*/
-class CI_DB_driver {
-
- var $username;
- var $password;
- var $hostname;
- var $database;
- var $dbdriver = 'mysql';
- var $dbprefix = '';
- var $char_set = 'utf8';
- var $dbcollat = 'utf8_general_ci';
- var $autoinit = TRUE; // Whether to automatically initialize the DB
- var $swap_pre = '';
- var $port = '';
- var $pconnect = FALSE;
- var $conn_id = FALSE;
- var $result_id = FALSE;
- var $db_debug = FALSE;
- var $benchmark = 0;
- var $query_count = 0;
- var $bind_marker = '?';
- var $save_queries = TRUE;
- var $queries = array();
- var $query_times = array();
- var $data_cache = array();
- var $trans_enabled = TRUE;
- var $trans_strict = TRUE;
- var $_trans_depth = 0;
- var $_trans_status = TRUE; // Used with transactions to determine if a rollback should occur
- var $cache_on = FALSE;
- var $cachedir = '';
- var $cache_autodel = FALSE;
- var $CACHE; // The cache class object
-
- // Private variables
- var $_protect_identifiers = TRUE;
- var $_reserved_identifiers = array('*'); // Identifiers that should NOT be escaped
-
- // These are use with Oracle
- var $stmt_id;
- var $curs_id;
- var $limit_used;
-
-
-
- /**
- * Constructor. Accepts one parameter containing the database
- * connection settings.
- *
- * @param array
- */
- function __construct($params)
+abstract class CI_DB_driver {
+
+ public $dsn;
+ public $username;
+ public $password;
+ public $hostname;
+ public $database;
+ public $dbdriver = 'mysql';
+ public $dbprefix = '';
+ public $char_set = 'utf8';
+ public $dbcollat = 'utf8_general_ci';
+ public $autoinit = TRUE; // Whether to automatically initialize the DB
+ public $swap_pre = '';
+ public $port = '';
+ public $pconnect = FALSE;
+ public $conn_id = FALSE;
+ public $result_id = FALSE;
+ public $db_debug = FALSE;
+ public $benchmark = 0;
+ public $query_count = 0;
+ public $bind_marker = '?';
+ public $save_queries = TRUE;
+ public $queries = array();
+ public $query_times = array();
+ public $data_cache = array();
+
+ public $trans_enabled = TRUE;
+ public $trans_strict = TRUE;
+ protected $_trans_depth = 0;
+ protected $_trans_status = TRUE; // Used with transactions to determine if a rollback should occur
+
+ public $cache_on = FALSE;
+ public $cachedir = '';
+ public $cache_autodel = FALSE;
+ public $CACHE; // The cache class object
+
+ protected $_protect_identifiers = TRUE;
+ protected $_reserved_identifiers = array('*'); // Identifiers that should NOT be escaped
+
+ public function __construct($params)
{
if (is_array($params))
{
@@ -108,15 +95,17 @@ class CI_DB_driver {
/**
* Initialize Database Settings
*
- * @access private Called by the constructor
- * @param mixed
- * @return void
+ * @return bool
*/
- function initialize()
+ public function initialize()
{
- // If an existing connection resource is available
- // there is no need to connect and select the database
- if (is_resource($this->conn_id) OR is_object($this->conn_id))
+ /* If an established connection is available, then there's
+ * no need to connect and select the database.
+ *
+ * Depending on the database driver, conn_id can be either
+ * boolean TRUE, a resource or an object.
+ */
+ if ($this->conn_id)
{
return TRUE;
}
@@ -126,7 +115,7 @@ class CI_DB_driver {
// Connect to the database and set the connection ID
$this->conn_id = ($this->pconnect == FALSE) ? $this->db_connect() : $this->db_pconnect();
- // No connection resource? Check if there is a failover else throw an error
+ // No connection resource? Check if there is a failover else throw an error
if ( ! $this->conn_id)
{
// Check if there is a failover set
@@ -168,30 +157,50 @@ class CI_DB_driver {
// ----------------------------------------------------------------
// Select the DB... assuming a database name is specified in the config file
- if ($this->database != '')
+ if ($this->database !== '' && ! $this->db_select())
{
- if ( ! $this->db_select())
- {
- log_message('error', 'Unable to select database: '.$this->database);
+ log_message('error', 'Unable to select database: '.$this->database);
- if ($this->db_debug)
- {
- $this->display_error('db_unable_to_select', $this->database);
- }
- return FALSE;
- }
- else
+ if ($this->db_debug)
{
- // We've selected the DB. Now we set the character set
- if ( ! $this->db_set_charset($this->char_set, $this->dbcollat))
- {
- return FALSE;
- }
-
- return TRUE;
+ $this->display_error('db_unable_to_select', $this->database);
}
+ return FALSE;
}
+ // Now we set the character set and that's all
+ return $this->db_set_charset($this->char_set);
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Reconnect
+ *
+ * Keep / reestablish the db connection if no queries have been
+ * sent for a length of time exceeding the server's idle timeout.
+ *
+ * This is just a dummy method to allow drivers without such
+ * functionality to not declare it, while others will override it.
+ *
+ * @return void
+ */
+ public function reconnect()
+ {
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Select database
+ *
+ * This is just a dummy method to allow drivers without such
+ * functionality to not declare it, while others will override it.
+ *
+ * @return bool
+ */
+ public function db_select()
+ {
return TRUE;
}
@@ -200,20 +209,18 @@ class CI_DB_driver {
/**
* Set client character set
*
- * @access public
- * @param string
* @param string
- * @return resource
+ * @return bool
*/
- function db_set_charset($charset, $collation)
+ public function db_set_charset($charset)
{
- if ( ! $this->_db_set_charset($this->char_set, $this->dbcollat))
+ if (method_exists($this, '_db_set_charset') && ! $this->_db_set_charset($charset))
{
- log_message('error', 'Unable to set database connection charset: '.$this->char_set);
+ log_message('error', 'Unable to set database connection charset: '.$charset);
if ($this->db_debug)
{
- $this->display_error('db_unable_to_set_charset', $this->char_set);
+ $this->display_error('db_unable_to_set_charset', $charset);
}
return FALSE;
@@ -227,10 +234,9 @@ class CI_DB_driver {
/**
* The name of the platform in use (mysql, mssql, etc...)
*
- * @access public
* @return string
*/
- function platform()
+ public function platform()
{
return $this->dbdriver;
}
@@ -238,36 +244,40 @@ class CI_DB_driver {
// --------------------------------------------------------------------
/**
- * Database Version Number. Returns a string containing the
- * version of the database being used
+ * Database version number
+ *
+ * Returns a string containing the version of the database being used.
+ * Most drivers will override this method.
*
- * @access public
* @return string
*/
- function version()
+ public function version()
{
- if (FALSE === ($sql = $this->_version()))
+ if (isset($this->data_cache['version']))
{
- if ($this->db_debug)
- {
- return $this->display_error('db_unsupported_function');
- }
- return FALSE;
+ return $this->data_cache['version'];
}
- // Some DBs have functions that return the version, and don't run special
- // SQL queries per se. In these instances, just return the result.
- $driver_version_exceptions = array('oci8', 'sqlite', 'cubrid', 'pdo', 'mysqli');
-
- if (in_array($this->dbdriver, $driver_version_exceptions))
- {
- return $sql;
- }
- else
+ if (FALSE === ($sql = $this->_version()))
{
- $query = $this->query($sql);
- return $query->row('ver');
+ return ($this->db_debug) ? $this->display_error('db_unsupported_function') : FALSE;
}
+
+ $query = $this->query($sql);
+ $query = $query->row();
+ return $this->data_cache['version'] = $query->ver;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Version number query string
+ *
+ * @return string
+ */
+ protected function _version()
+ {
+ return 'SELECT VERSION() AS ver';
}
// --------------------------------------------------------------------
@@ -276,56 +286,48 @@ class CI_DB_driver {
* Execute the query
*
* Accepts an SQL string as input and returns a result object upon
- * successful execution of a "read" type query. Returns boolean TRUE
+ * successful execution of a "read" type query. Returns boolean TRUE
* upon successful execution of a "write" type query. Returns boolean
* FALSE upon failure, and if the $db_debug variable is set to TRUE
* will raise an error.
*
- * @access public
* @param string An SQL query string
* @param array An array of binding data
* @return mixed
*/
- function query($sql, $binds = FALSE, $return_object = TRUE)
+ public function query($sql, $binds = FALSE, $return_object = TRUE)
{
if ($sql == '')
{
log_message('error', 'Invalid query: '.$sql);
- if ($this->db_debug)
- {
- return $this->display_error('db_invalid_query');
- }
- return FALSE;
+ return ($this->db_debug) ? $this->display_error('db_invalid_query') : FALSE;
}
// Verify table prefix and replace if necessary
- if ( ($this->dbprefix != '' AND $this->swap_pre != '') AND ($this->dbprefix != $this->swap_pre) )
+ if ($this->dbprefix != '' && $this->swap_pre != '' && $this->dbprefix != $this->swap_pre)
{
- $sql = preg_replace("/(\W)".$this->swap_pre."(\S+?)/", "\\1".$this->dbprefix."\\2", $sql);
+ $sql = preg_replace('/(\W)'.$this->swap_pre.'(\S+?)/', '\\1'.$this->dbprefix.'\\2', $sql);
}
- // Is query caching enabled? If the query is a "read type"
+ // Compile binds if needed
+ if ($binds !== FALSE)
+ {
+ $sql = $this->compile_binds($sql, $binds);
+ }
+
+ // Is query caching enabled? If the query is a "read type"
// we will load the caching class and return the previously
// cached query if it exists
- if ($this->cache_on == TRUE AND stristr($sql, 'SELECT'))
+ if ($this->cache_on == TRUE && stripos($sql, 'SELECT') !== FALSE && $this->_cache_init())
{
- if ($this->_cache_init())
+ $this->load_rdriver();
+ if (FALSE !== ($cache = $this->CACHE->read($sql)))
{
- $this->load_rdriver();
- if (FALSE !== ($cache = $this->CACHE->read($sql)))
- {
- return $cache;
- }
+ return $cache;
}
}
- // Compile binds if needed
- if ($binds !== FALSE)
- {
- $sql = $this->compile_binds($sql, $binds);
- }
-
// Save the query for debugging
if ($this->save_queries == TRUE)
{
@@ -346,30 +348,22 @@ class CI_DB_driver {
// This will trigger a rollback if transactions are being used
$this->_trans_status = FALSE;
- // Grab the error number and message now, as we might run some
- // additional queries before displaying the error
- $error_no = $this->_error_number();
- $error_msg = $this->_error_message();
+ // Grab the error now, as we might run some additional queries before displaying the error
+ $error = $this->error();
// Log errors
- log_message('error', 'Query error: '.$error_msg);
+ log_message('error', 'Query error: '.$error['message']);
if ($this->db_debug)
{
// We call this function in order to roll-back queries
- // if transactions are enabled. If we don't call this here
+ // if transactions are enabled. If we don't call this here
// the error message will trigger an exit, causing the
// transactions to remain in limbo.
$this->trans_complete();
// Display errors
- return $this->display_error(
- array(
- 'Error Number: '.$error_no,
- $error_msg,
- $sql
- )
- );
+ return $this->display_error(array('Error Number: '.$error['code'], $error['message'], $sql));
}
return FALSE;
@@ -393,7 +387,7 @@ class CI_DB_driver {
{
// If caching is enabled we'll auto-cleanup any
// existing files related to this particular URI
- if ($this->cache_on == TRUE AND $this->cache_autodel == TRUE AND $this->_cache_init())
+ if ($this->cache_on == TRUE && $this->cache_autodel == TRUE && $this->_cache_init())
{
$this->CACHE->delete();
}
@@ -410,26 +404,12 @@ class CI_DB_driver {
}
// Load and instantiate the result driver
+ $driver = $this->load_rdriver();
+ $RES = new $driver($this);
- $driver = $this->load_rdriver();
- $RES = new $driver();
- $RES->conn_id = $this->conn_id;
- $RES->result_id = $this->result_id;
-
- if ($this->dbdriver == 'oci8')
- {
- $RES->stmt_id = $this->stmt_id;
- $RES->curs_id = NULL;
- $RES->limit_used = $this->limit_used;
- $this->stmt_id = FALSE;
- }
-
- // oci8 vars must be set before calling this
- $RES->num_rows = $RES->num_rows();
-
- // Is query caching enabled? If so, we'll serialize the
+ // Is query caching enabled? If so, we'll serialize the
// result object and save it to a cache file.
- if ($this->cache_on == TRUE AND $this->_cache_init())
+ if ($this->cache_on == TRUE && $this->_cache_init())
{
// We'll create a new instance of the result object
// only without the platform specific driver since
@@ -438,9 +418,9 @@ class CI_DB_driver {
// result object, so we'll have to compile the data
// and save it)
$CR = new CI_DB_result();
- $CR->num_rows = $RES->num_rows();
$CR->result_object = $RES->result_object();
$CR->result_array = $RES->result_array();
+ $CR->num_rows = $RES->num_rows();
// Reset these since cached objects can not utilize resource IDs.
$CR->conn_id = NULL;
@@ -457,10 +437,9 @@ class CI_DB_driver {
/**
* Load the result drivers
*
- * @access public
* @return string the name of the result class
*/
- function load_rdriver()
+ public function load_rdriver()
{
$driver = 'CI_DB_'.$this->dbdriver.'_result';
@@ -477,15 +456,14 @@ class CI_DB_driver {
/**
* Simple Query
- * This is a simplified version of the query() function. Internally
+ * This is a simplified version of the query() function. Internally
* we only use it when running transaction commands since they do
* not require all the features of the main query() function.
*
- * @access public
* @param string the sql query
* @return mixed
*/
- function simple_query($sql)
+ public function simple_query($sql)
{
if ( ! $this->conn_id)
{
@@ -501,10 +479,9 @@ class CI_DB_driver {
* Disable Transactions
* This permits transactions to be disabled at run-time.
*
- * @access public
* @return void
*/
- function trans_off()
+ public function trans_off()
{
$this->trans_enabled = FALSE;
}
@@ -518,10 +495,9 @@ class CI_DB_driver {
* If strict mode is disabled, each group is treated autonomously, meaning
* a failure of one group will not affect any others
*
- * @access public
* @return void
*/
- function trans_strict($mode = TRUE)
+ public function trans_strict($mode = TRUE)
{
$this->trans_strict = is_bool($mode) ? $mode : TRUE;
}
@@ -531,10 +507,9 @@ class CI_DB_driver {
/**
* Start Transaction
*
- * @access public
* @return void
*/
- function trans_start($test_mode = FALSE)
+ public function trans_start($test_mode = FALSE)
{
if ( ! $this->trans_enabled)
{
@@ -557,10 +532,9 @@ class CI_DB_driver {
/**
* Complete Transaction
*
- * @access public
* @return bool
*/
- function trans_complete()
+ public function trans_complete()
{
if ( ! $this->trans_enabled)
{
@@ -604,10 +578,9 @@ class CI_DB_driver {
/**
* Lets you retrieve the transaction flag to determine if it has failed
*
- * @access public
* @return bool
*/
- function trans_status()
+ public function trans_status()
{
return $this->_trans_status;
}
@@ -617,12 +590,11 @@ class CI_DB_driver {
/**
* Compile Bindings
*
- * @access public
* @param string the sql statement
* @param array an array of bind data
* @return string
*/
- function compile_binds($sql, $binds)
+ public function compile_binds($sql, $binds)
{
if (strpos($sql, $this->bind_marker) === FALSE)
{
@@ -639,7 +611,8 @@ class CI_DB_driver {
// The count of bind should be 1 less then the count of segments
// If there are more bind arguments trim it down
- if (count($binds) >= count($segments)) {
+ if (count($binds) >= count($segments))
+ {
$binds = array_slice($binds, 0, count($segments)-1);
}
@@ -648,8 +621,7 @@ class CI_DB_driver {
$i = 0;
foreach ($binds as $bind)
{
- $result .= $this->escape($bind);
- $result .= $segments[++$i];
+ $result .= $this->escape($bind).$segments[++$i];
}
return $result;
@@ -660,17 +632,12 @@ class CI_DB_driver {
/**
* Determines if a query is a "write" type.
*
- * @access public
* @param string An SQL query string
- * @return boolean
+ * @return bool
*/
- function is_write_type($sql)
+ public function is_write_type($sql)
{
- if ( ! preg_match('/^\s*"?(SET|INSERT|UPDATE|DELETE|REPLACE|CREATE|DROP|TRUNCATE|LOAD DATA|COPY|ALTER|GRANT|REVOKE|LOCK|UNLOCK)\s+/i', $sql))
- {
- return FALSE;
- }
- return TRUE;
+ return (bool) preg_match('/^\s*"?(SET|INSERT|UPDATE|DELETE|REPLACE|CREATE|DROP|TRUNCATE|LOAD DATA|COPY|ALTER|RENAME|GRANT|REVOKE|LOCK|UNLOCK|REINDEX)\s+/i', $sql);
}
// --------------------------------------------------------------------
@@ -678,11 +645,10 @@ class CI_DB_driver {
/**
* Calculate the aggregate query elapsed time
*
- * @access public
- * @param integer The number of decimal places
- * @return integer
+ * @param int The number of decimal places
+ * @return int
*/
- function elapsed_time($decimals = 6)
+ public function elapsed_time($decimals = 6)
{
return number_format($this->benchmark, $decimals);
}
@@ -692,10 +658,9 @@ class CI_DB_driver {
/**
* Returns the total number of queries
*
- * @access public
- * @return integer
+ * @return int
*/
- function total_queries()
+ public function total_queries()
{
return $this->query_count;
}
@@ -705,10 +670,9 @@ class CI_DB_driver {
/**
* Returns the last query that was executed
*
- * @access public
- * @return void
+ * @return string
*/
- function last_query()
+ public function last_query()
{
return end($this->queries);
}
@@ -721,23 +685,22 @@ class CI_DB_driver {
* Escapes data based on type
* Sets boolean and null types
*
- * @access public
* @param string
* @return mixed
*/
- function escape($str)
+ public function escape($str)
{
- if (is_string($str))
+ if (is_string($str) OR method_exists($str, '__toString'))
{
- $str = "'".$this->escape_str($str)."'";
+ return "'".$this->escape_str($str)."'";
}
elseif (is_bool($str))
{
- $str = ($str === FALSE) ? 0 : 1;
+ return ($str === FALSE) ? 0 : 1;
}
elseif (is_null($str))
{
- $str = 'NULL';
+ return 'NULL';
}
return $str;
@@ -751,11 +714,10 @@ class CI_DB_driver {
* Calls the individual driver for platform
* specific escaping for LIKE conditions
*
- * @access public
* @param string
* @return mixed
*/
- function escape_like_str($str)
+ public function escape_like_str($str)
{
return $this->escape_str($str, TRUE);
}
@@ -765,23 +727,16 @@ class CI_DB_driver {
/**
* Primary
*
- * Retrieves the primary key. It assumes that the row in the first
+ * Retrieves the primary key. It assumes that the row in the first
* position is the primary key
*
- * @access public
* @param string the table name
* @return string
*/
- function primary($table = '')
+ public function primary($table = '')
{
$fields = $this->list_fields($table);
-
- if ( ! is_array($fields))
- {
- return FALSE;
- }
-
- return current($fields);
+ return is_array($fields) ? current($fields) : FALSE;
}
// --------------------------------------------------------------------
@@ -789,10 +744,9 @@ class CI_DB_driver {
/**
* Returns an array of table names
*
- * @access public
* @return array
*/
- function list_tables($constrain_by_prefix = FALSE)
+ public function list_tables($constrain_by_prefix = FALSE)
{
// Is there a cached result?
if (isset($this->data_cache['table_names']))
@@ -802,32 +756,40 @@ class CI_DB_driver {
if (FALSE === ($sql = $this->_list_tables($constrain_by_prefix)))
{
- if ($this->db_debug)
- {
- return $this->display_error('db_unsupported_function');
- }
- return FALSE;
+ return ($this->db_debug) ? $this->display_error('db_unsupported_function') : FALSE;
}
- $retval = array();
+ $this->data_cache['table_names'] = array();
$query = $this->query($sql);
- if ($query->num_rows() > 0)
+ foreach ($query->result_array() as $row)
{
- foreach ($query->result_array() as $row)
+ // Do we know from which column to get the table name?
+ if ( ! isset($key))
{
- if (isset($row['TABLE_NAME']))
+ if (isset($row['table_name']))
+ {
+ $key = 'table_name';
+ }
+ elseif (isset($row['TABLE_NAME']))
{
- $retval[] = $row['TABLE_NAME'];
+ $key = 'TABLE_NAME';
}
else
{
- $retval[] = array_shift($row);
+ /* We have no other choice but to just get the first element's key.
+ * Due to array_shift() accepting it's argument by reference, if
+ * E_STRICT is on, this would trigger a warning. So we'll have to
+ * assign it first.
+ */
+ $key = array_keys($row);
+ $key = array_shift($key);
}
}
+
+ $this->data_cache['table_names'][] = $row[$key];
}
- $this->data_cache['table_names'] = $retval;
return $this->data_cache['table_names'];
}
@@ -835,12 +797,12 @@ class CI_DB_driver {
/**
* Determine if a particular table exists
- * @access public
- * @return boolean
+ *
+ * @return bool
*/
- function table_exists($table_name)
+ public function table_exists($table_name)
{
- return ( ! in_array($this->_protect_identifiers($table_name, TRUE, FALSE, FALSE), $this->list_tables())) ? FALSE : TRUE;
+ return in_array($this->protect_identifiers($table_name, TRUE, FALSE, FALSE), $this->list_tables());
}
// --------------------------------------------------------------------
@@ -848,11 +810,10 @@ class CI_DB_driver {
/**
* Fetch MySQL Field Names
*
- * @access public
* @param string the table name
* @return array
*/
- function list_fields($table = '')
+ public function list_fields($table = '')
{
// Is there a cached result?
if (isset($this->data_cache['field_names'][$table]))
@@ -862,38 +823,45 @@ class CI_DB_driver {
if ($table == '')
{
- if ($this->db_debug)
- {
- return $this->display_error('db_field_param_missing');
- }
- return FALSE;
+ return ($this->db_debug) ? $this->display_error('db_field_param_missing') : FALSE;
}
if (FALSE === ($sql = $this->_list_columns($table)))
{
- if ($this->db_debug)
- {
- return $this->display_error('db_unsupported_function');
- }
- return FALSE;
+ return ($this->db_debug) ? $this->display_error('db_unsupported_function') : FALSE;
}
$query = $this->query($sql);
+ $this->data_cache['field_names'][$table] = array();
- $retval = array();
foreach ($query->result_array() as $row)
{
- if (isset($row['COLUMN_NAME']))
+ // Do we know from where to get the column's name?
+ if ( ! isset($key))
{
- $retval[] = $row['COLUMN_NAME'];
- }
- else
- {
- $retval[] = current($row);
+ if (isset($row['column_name']))
+ {
+ $key = 'column_name';
+ }
+ elseif (isset($row['COLUMN_NAME']))
+ {
+ $key = 'COLUMN_NAME';
+ }
+ else
+ {
+ /* We have no other choice but to just get the first element's key.
+ * Due to array_shift() accepting it's argument by reference, if
+ * E_STRICT is on, this would trigger a warning. So we'll have to
+ * assign it first.
+ */
+ $key = array_keys($row);
+ $key = array_shift($key);
+ }
}
+
+ $this->data_cache['field_names'][$table][] = $row[$key];
}
- $this->data_cache['field_names'][$table] = $retval;
return $this->data_cache['field_names'][$table];
}
@@ -901,14 +869,14 @@ class CI_DB_driver {
/**
* Determine if a particular field exists
- * @access public
+ *
* @param string
* @param string
- * @return boolean
+ * @return bool
*/
- function field_exists($field_name, $table_name)
+ public function field_exists($field_name, $table_name)
{
- return ( ! in_array($field_name, $this->list_fields($table_name))) ? FALSE : TRUE;
+ return in_array($field_name, $this->list_fields($table_name));
}
// --------------------------------------------------------------------
@@ -916,24 +884,55 @@ class CI_DB_driver {
/**
* Returns an object with field data
*
- * @access public
* @param string the table name
* @return object
*/
- function field_data($table = '')
+ public function field_data($table = '')
{
if ($table == '')
{
- if ($this->db_debug)
+ return ($this->db_debug) ? $this->display_error('db_field_param_missing') : FALSE;
+ }
+
+ $query = $this->query($this->_field_data($this->protect_identifiers($table, TRUE, NULL, FALSE)));
+ return $query->field_data();
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Escape the SQL Identifiers
+ *
+ * This function escapes column and table names
+ *
+ * @param string
+ * @return string
+ */
+ public function escape_identifiers($item)
+ {
+ if ($this->_escape_char == '')
+ {
+ return $item;
+ }
+
+ foreach ($this->_reserved_identifiers as $id)
+ {
+ if (strpos($item, '.'.$id) !== FALSE)
{
- return $this->display_error('db_field_param_missing');
+ $item = str_replace('.', $this->_escape_char.'.', $item);
+
+ // remove duplicates if the user already included the escape
+ return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $this->_escape_char.$item);
}
- return FALSE;
}
- $query = $this->query($this->_field_data($this->_protect_identifiers($table, TRUE, NULL, FALSE)));
+ if (strpos($item, '.') !== FALSE)
+ {
+ $item = str_replace('.', $this->_escape_char.'.'.$this->_escape_char, $item);
+ }
- return $query->field_data();
+ // remove duplicates if the user already included the escape
+ return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $this->_escape_char.$item.$this->_escape_char);
}
// --------------------------------------------------------------------
@@ -941,23 +940,21 @@ class CI_DB_driver {
/**
* Generate an insert string
*
- * @access public
* @param string the table upon which the query will be performed
* @param array an associative array data of key/values
* @return string
*/
- function insert_string($table, $data)
+ public function insert_string($table, $data)
{
- $fields = array();
- $values = array();
+ $fields = $values = array();
foreach ($data as $key => $val)
{
- $fields[] = $this->_escape_identifiers($key);
+ $fields[] = $this->escape_identifiers($key);
$values[] = $this->escape($val);
}
- return $this->_insert($this->_protect_identifiers($table, TRUE, NULL, FALSE), $fields, $values);
+ return $this->_insert($this->protect_identifiers($table, TRUE, NULL, FALSE), $fields, $values);
}
// --------------------------------------------------------------------
@@ -965,23 +962,22 @@ class CI_DB_driver {
/**
* Generate an update string
*
- * @access public
* @param string the table upon which the query will be performed
* @param array an associative array data of key/values
* @param mixed the "where" statement
* @return string
*/
- function update_string($table, $data, $where)
+ public function update_string($table, $data, $where)
{
if ($where == '')
{
- return false;
+ return FALSE;
}
$fields = array();
foreach ($data as $key => $val)
{
- $fields[$this->_protect_identifiers($key)] = $this->escape($val);
+ $fields[$this->protect_identifiers($key)] = $this->escape($val);
}
if ( ! is_array($where))
@@ -994,7 +990,7 @@ class CI_DB_driver {
foreach ($where as $key => $val)
{
$prefix = (count($dest) == 0) ? '' : ' AND ';
- $key = $this->_protect_identifiers($key);
+ $key = $this->protect_identifiers($key);
if ($val !== '')
{
@@ -1010,7 +1006,7 @@ class CI_DB_driver {
}
}
- return $this->_update($this->_protect_identifiers($table, TRUE, NULL, FALSE), $fields, $dest);
+ return $this->_update($this->protect_identifiers($table, TRUE, NULL, FALSE), $fields, $dest);
}
// --------------------------------------------------------------------
@@ -1018,19 +1014,12 @@ class CI_DB_driver {
/**
* Tests whether the string has an SQL operator
*
- * @access private
* @param string
* @return bool
*/
- function _has_operator($str)
+ protected function _has_operator($str)
{
- $str = trim($str);
- if ( ! preg_match("/(\s|<|>|!|=|is null|is not null)/i", $str))
- {
- return FALSE;
- }
-
- return TRUE;
+ return (bool) preg_match('/(\s|<|>|!|=|IS NULL|IS NOT NULL)/i', trim($str));
}
// --------------------------------------------------------------------
@@ -1038,12 +1027,11 @@ class CI_DB_driver {
/**
* Enables a native PHP function to be run, using a platform agnostic wrapper.
*
- * @access public
* @param string the function name
* @param mixed any parameters needed by the function
* @return mixed
*/
- function call_function($function)
+ public function call_function($function)
{
$driver = ($this->dbdriver == 'postgre') ? 'pg_' : $this->dbdriver.'_';
@@ -1054,25 +1042,12 @@ class CI_DB_driver {
if ( ! function_exists($function))
{
- if ($this->db_debug)
- {
- return $this->display_error('db_unsupported_function');
- }
- return FALSE;
+ return ($this->db_debug) ? $this->display_error('db_unsupported_function') : FALSE;
}
- else
- {
- $args = (func_num_args() > 1) ? array_splice(func_get_args(), 1) : null;
- if (is_null($args))
- {
- return call_user_func($function);
- }
- else
- {
- return call_user_func_array($function, $args);
- }
- }
+ return (func_num_args() > 1)
+ ? call_user_func_array($function, array_splice(func_get_args(), 1))
+ : call_user_func($function);
}
// --------------------------------------------------------------------
@@ -1080,11 +1055,10 @@ class CI_DB_driver {
/**
* Set Cache Directory Path
*
- * @access public
* @param string the path to the cache directory
* @return void
*/
- function cache_set_path($path = '')
+ public function cache_set_path($path = '')
{
$this->cachedir = $path;
}
@@ -1094,13 +1068,11 @@ class CI_DB_driver {
/**
* Enable Query Caching
*
- * @access public
- * @return void
+ * @return bool cache_on value
*/
- function cache_on()
+ public function cache_on()
{
- $this->cache_on = TRUE;
- return TRUE;
+ return $this->cache_on = TRUE;
}
// --------------------------------------------------------------------
@@ -1108,13 +1080,11 @@ class CI_DB_driver {
/**
* Disable Query Caching
*
- * @access public
- * @return void
+ * @return bool cache_on value
*/
- function cache_off()
+ public function cache_off()
{
- $this->cache_on = FALSE;
- return FALSE;
+ return $this->cache_on = FALSE;
}
@@ -1123,16 +1093,13 @@ class CI_DB_driver {
/**
* Delete the cache files associated with a particular URI
*
- * @access public
- * @return void
+ * @return bool
*/
- function cache_delete($segment_one = '', $segment_two = '')
+ public function cache_delete($segment_one = '', $segment_two = '')
{
- if ( ! $this->_cache_init())
- {
- return FALSE;
- }
- return $this->CACHE->delete($segment_one, $segment_two);
+ return ($this->_cache_init())
+ ? $this->CACHE->delete($segment_one, $segment_two)
+ : FALSE;
}
// --------------------------------------------------------------------
@@ -1140,17 +1107,13 @@ class CI_DB_driver {
/**
* Delete All cache files
*
- * @access public
- * @return void
+ * @return bool
*/
- function cache_delete_all()
+ public function cache_delete_all()
{
- if ( ! $this->_cache_init())
- {
- return FALSE;
- }
-
- return $this->CACHE->delete_all();
+ return ($this->_cache_init())
+ ? $this->CACHE->delete_all()
+ : FALSE;
}
// --------------------------------------------------------------------
@@ -1158,23 +1121,21 @@ class CI_DB_driver {
/**
* Initialize the Cache Class
*
- * @access private
- * @return void
+ * @return bool
*/
- function _cache_init()
+ protected function _cache_init()
{
- if (is_object($this->CACHE) AND class_exists('CI_DB_Cache'))
- {
- return TRUE;
- }
-
- if ( ! class_exists('CI_DB_Cache'))
+ if (class_exists('CI_DB_Cache'))
{
- if ( ! @include(BASEPATH.'database/DB_cache.php'))
+ if (is_object($this->CACHE))
{
- return $this->cache_off();
+ return TRUE;
}
}
+ elseif ( ! @include_once(BASEPATH.'database/DB_cache.php'))
+ {
+ return $this->cache_off();
+ }
$this->CACHE = new CI_DB_Cache($this); // pass db object to support multiple db connections and returned db objects
return TRUE;
@@ -1185,16 +1146,15 @@ class CI_DB_driver {
/**
* Close DB Connection
*
- * @access public
* @return void
*/
- function close()
+ public function close()
{
- if (is_resource($this->conn_id) OR is_object($this->conn_id))
+ if ($this->conn_id)
{
$this->_close($this->conn_id);
+ $this->conn_id = FALSE;
}
- $this->conn_id = FALSE;
}
// --------------------------------------------------------------------
@@ -1202,13 +1162,12 @@ class CI_DB_driver {
/**
* Display an error message
*
- * @access public
* @param string the error message
* @param string any "swap" values
- * @param boolean whether to localize the message
+ * @param bool whether to localize the message
* @return string sends the application/error_db.php template
*/
- function display_error($error = '', $swap = '', $native = FALSE)
+ public function display_error($error = '', $swap = '', $native = FALSE)
{
$LANG =& load_class('Lang', 'core');
$LANG->load('db');
@@ -1227,9 +1186,7 @@ class CI_DB_driver {
// Find the most likely culprit of the error by going through
// the backtrace until the source file is no longer in the
// database folder.
-
$trace = debug_backtrace();
-
foreach ($trace as $call)
{
if (isset($call['file']) && strpos($call['file'], BASEPATH.'database') === FALSE)
@@ -1237,7 +1194,6 @@ class CI_DB_driver {
// Found it - use a relative path for safety
$message[] = 'Filename: '.str_replace(array(BASEPATH, APPPATH), '', $call['file']);
$message[] = 'Line Number: '.$call['line'];
-
break;
}
}
@@ -1252,27 +1208,11 @@ class CI_DB_driver {
/**
* Protect Identifiers
*
- * This function adds backticks if appropriate based on db type
- *
- * @access private
- * @param mixed the item to escape
- * @return mixed the item with backticks
- */
- function protect_identifiers($item, $prefix_single = FALSE)
- {
- return $this->_protect_identifiers($item, $prefix_single);
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Protect Identifiers
- *
* This function is used extensively by the Active Record class, and by
* a couple functions in this class.
* It takes a column or table name (optionally with an alias) and inserts
- * the table prefix onto it. Some logic is necessary in order to deal with
- * column names that include the path. Consider a query like this:
+ * the table prefix onto it. Some logic is necessary in order to deal with
+ * column names that include the path. Consider a query like this:
*
* SELECT * FROM hostname.database.table.column AS c FROM hostname.database.table
*
@@ -1285,14 +1225,13 @@ class CI_DB_driver {
* insert the table prefix (if it exists) in the proper position, and escape only
* the correct identifiers.
*
- * @access private
* @param string
* @param bool
* @param mixed
* @param bool
* @return string
*/
- function _protect_identifiers($item, $prefix_single = FALSE, $protect_identifiers = NULL, $field_exists = TRUE)
+ public function protect_identifiers($item, $prefix_single = FALSE, $protect_identifiers = NULL, $field_exists = TRUE)
{
if ( ! is_bool($protect_identifiers))
{
@@ -1302,10 +1241,9 @@ class CI_DB_driver {
if (is_array($item))
{
$escaped_array = array();
-
foreach ($item as $k => $v)
{
- $escaped_array[$this->_protect_identifiers($k)] = $this->_protect_identifiers($v);
+ $escaped_array[$this->protect_identifiers($k)] = $this->protect_identifiers($v);
}
return $escaped_array;
@@ -1316,16 +1254,19 @@ class CI_DB_driver {
// If the item has an alias declaration we remove it and set it aside.
// Basically we remove everything to the right of the first space
- $alias = '';
if (strpos($item, ' ') !== FALSE)
{
- $alias = strstr($item, " ");
+ $alias = strstr($item, ' ');
$item = substr($item, 0, - strlen($alias));
}
+ else
+ {
+ $alias = '';
+ }
// This is basically a bug fix for queries that use MAX, MIN, etc.
// If a parenthesis is found we know that we do not need to
- // escape the data or add a prefix. There's probably a more graceful
+ // escape the data or add a prefix. There's probably a more graceful
// way to deal with this, but I'm not thinking of it -- Rick
if (strpos($item, '(') !== FALSE)
{
@@ -1340,7 +1281,7 @@ class CI_DB_driver {
$parts = explode('.', $item);
// Does the first segment of the exploded item match
- // one of the aliases previously identified? If so,
+ // one of the aliases previously identified? If so,
// we have nothing more to do other than escape the item
if (in_array($parts[0], $this->ar_aliased_tables))
{
@@ -1350,16 +1291,17 @@ class CI_DB_driver {
{
if ( ! in_array($val, $this->_reserved_identifiers))
{
- $parts[$key] = $this->_escape_identifiers($val);
+ $parts[$key] = $this->escape_identifiers($val);
}
}
$item = implode('.', $parts);
}
+
return $item.$alias;
}
- // Is there a table prefix defined in the config file? If not, no need to do anything
+ // Is there a table prefix defined in the config file? If not, no need to do anything
if ($this->dbprefix != '')
{
// We now add the table prefix based on some logic.
@@ -1390,13 +1332,12 @@ class CI_DB_driver {
}
// Verify table prefix and replace if necessary
- if ($this->swap_pre != '' && strncmp($parts[$i], $this->swap_pre, strlen($this->swap_pre)) === 0)
+ if ($this->swap_pre != '' && strpos($parts[$i], $this->swap_pre) === 0)
{
- $parts[$i] = preg_replace("/^".$this->swap_pre."(\S+?)/", $this->dbprefix."\\1", $parts[$i]);
+ $parts[$i] = preg_replace('/^'.$this->swap_pre.'(\S+?)/', $this->dbprefix.'\\1', $parts[$i]);
}
-
// We only add the table prefix if it does not already exist
- if (substr($parts[$i], 0, strlen($this->dbprefix)) != $this->dbprefix)
+ elseif (strpos($parts[$i], $this->dbprefix) !== 0)
{
$parts[$i] = $this->dbprefix.$parts[$i];
}
@@ -1407,39 +1348,49 @@ class CI_DB_driver {
if ($protect_identifiers === TRUE)
{
- $item = $this->_escape_identifiers($item);
+ $item = $this->escape_identifiers($item);
}
return $item.$alias;
}
- // Is there a table prefix? If not, no need to insert it
+ // Is there a table prefix? If not, no need to insert it
if ($this->dbprefix != '')
{
// Verify table prefix and replace if necessary
- if ($this->swap_pre != '' && strncmp($item, $this->swap_pre, strlen($this->swap_pre)) === 0)
+ if ($this->swap_pre != '' && strpos($item, $this->swap_pre) === 0)
{
- $item = preg_replace("/^".$this->swap_pre."(\S+?)/", $this->dbprefix."\\1", $item);
+ $item = preg_replace('/^'.$this->swap_pre.'(\S+?)/', $this->dbprefix.'\\1', $item);
}
-
// Do we prefix an item with no segments?
- if ($prefix_single == TRUE AND substr($item, 0, strlen($this->dbprefix)) != $this->dbprefix)
+ elseif ($prefix_single == TRUE && strpos($item, $this->dbprefix) !== 0)
{
$item = $this->dbprefix.$item;
}
}
- if ($protect_identifiers === TRUE AND ! in_array($item, $this->_reserved_identifiers))
+ if ($protect_identifiers === TRUE && ! in_array($item, $this->_reserved_identifiers))
{
- $item = $this->_escape_identifiers($item);
+ $item = $this->escape_identifiers($item);
}
return $item.$alias;
}
+ // --------------------------------------------------------------------
-}
+ /**
+ * Dummy method that allows Active Record class to be disabled
+ *
+ * This function is used extensively by every db driver.
+ *
+ * @return void
+ */
+ protected function _reset_select()
+ {
+ }
+}
/* End of file DB_driver.php */
-/* Location: ./system/database/DB_driver.php */
+/* Location: ./system/database/DB_driver.php */ \ No newline at end of file
diff --git a/system/database/DB_forge.php b/system/database/DB_forge.php
index 336e9497d..a519575f0 100644
--- a/system/database/DB_forge.php
+++ b/system/database/DB_forge.php
@@ -2,7 +2,7 @@
/**
* CodeIgniter
*
- * An open source application development framework for PHP 5.1.6 or newer
+ * An open source application development framework for PHP 5.2.4 or newer
*
* NOTICE OF LICENSE
*
@@ -25,22 +25,26 @@
* @filesource
*/
-// ------------------------------------------------------------------------
-
/**
- * Database Utility Class
+ * Database Forge Class
*
* @category Database
* @author EllisLab Dev Team
* @link http://codeigniter.com/user_guide/database/
*/
-class CI_DB_forge {
+abstract class CI_DB_forge {
public $fields = array();
public $keys = array();
public $primary_keys = array();
public $db_char_set = '';
+ // Platform specific SQL strings
+ protected $_create_database = 'CREATE DATABASE %s';
+ protected $_drop_database = 'DROP DATABASE %s';
+ protected $_drop_table = 'DROP TABLE IF EXISTS %s';
+ protected $_rename_table = 'ALTER TABLE %s RENAME TO %s';
+
public function __construct()
{
// Assign the main database object to $this->db
@@ -59,8 +63,16 @@ class CI_DB_forge {
*/
public function create_database($db_name)
{
- $sql = $this->_create_database($db_name);
- return is_bool($sql) ? $sql : $this->db->query($sql);
+ if ($this->_create_database === FALSE)
+ {
+ return ($this->db->db_debug) ? $this->db->display_error('db_unsuported_feature') : FALSE;
+ }
+ elseif ( ! $this->db->query(sprintf($this->_create_database, $db_name, $this->db->char_set, $this->db->dbcollat)))
+ {
+ return ($this->db->db_debug) ? $this->db->display_error('db_unable_to_drop') : FALSE;
+ }
+
+ return TRUE;
}
// --------------------------------------------------------------------
@@ -73,8 +85,21 @@ class CI_DB_forge {
*/
public function drop_database($db_name)
{
- $sql = $this->_drop_database($db_name);
- return is_bool($sql) ? $sql : $this->db->query($sql);
+ if ($db_name == '')
+ {
+ show_error('A table name is required for that operation.');
+ return FALSE;
+ }
+ elseif ($this->_drop_database === FALSE)
+ {
+ return ($this->db->db_debug) ? $this->db->display_error('db_unsuported_feature') : FALSE;
+ }
+ elseif ( ! $this->db->query(sprintf($this->_drop_database, $db_name)))
+ {
+ return ($this->db->db_debug) ? $this->db->display_error('db_unable_to_drop') : FALSE;
+ }
+
+ return TRUE;
}
// --------------------------------------------------------------------
@@ -197,8 +222,16 @@ class CI_DB_forge {
*/
public function drop_table($table_name)
{
- $sql = $this->_drop_table($this->db->dbprefix.$table_name);
- return is_bool($sql) ? $sql : $this->db->query($sql);
+ if ($table_name == '')
+ {
+ return ($this->db->db_debug) ? $this->db->display_error('db_table_name_required') : FALSE;
+ }
+ elseif ($this->_drop_table === FALSE)
+ {
+ return ($this->db->db_debug) ? $this->db->display_error('db_unsuported_feature') : FALSE;
+ }
+
+ return $this->db->query(sprintf($this->_drop_table, $this->db->escape_identifiers($this->db->dbprefix.$table_name)));
}
// --------------------------------------------------------------------
@@ -215,9 +248,17 @@ class CI_DB_forge {
if ($table_name == '' OR $new_table_name == '')
{
show_error('A table name is required for that operation.');
+ return FALSE;
+ }
+ elseif ($this->_rename_table === FALSE)
+ {
+ return ($this->db->db_debug) ? $this->db->display_error('db_unsuported_feature') : FALSE;
}
- return $this->db->query($this->_rename_table($this->db->dbprefix.$table_name, $this->db->dbprefix.$new_table_name));
+ return $this->db->query(sprintf($this->_rename_table,
+ $this->db->escape_identifiers($this->db->dbprefix.$table_name),
+ $this->db->escape_identifiers($this->db->dbprefix.$new_table_name))
+ );
}
// --------------------------------------------------------------------
@@ -346,4 +387,4 @@ class CI_DB_forge {
}
/* End of file DB_forge.php */
-/* Location: ./system/database/DB_forge.php */
+/* Location: ./system/database/DB_forge.php */ \ No newline at end of file
diff --git a/system/database/DB_result.php b/system/database/DB_result.php
index 730443222..196febe2c 100644
--- a/system/database/DB_result.php
+++ b/system/database/DB_result.php
@@ -2,7 +2,7 @@
/**
* CodeIgniter
*
- * An open source application development framework for PHP 5.1.6 or newer
+ * An open source application development framework for PHP 5.2.4 or newer
*
* NOTICE OF LICENSE
*
@@ -47,11 +47,17 @@ class CI_DB_result {
public $num_rows = 0;
public $row_data = NULL;
+ public function __construct(&$driver_object)
+ {
+ $this->conn_id = $driver_object->conn_id;
+ $this->result_id = $driver_object->result_id;
+ }
+
/**
* Query result. Acts as a wrapper function for the following functions.
*
* @param string can be "object" or "array"
- * @return mixed either a result object or array
+ * @return object
*/
public function result($type = 'object')
{
@@ -102,9 +108,9 @@ class CI_DB_result {
// --------------------------------------------------------------------
/**
- * Query result. "object" version.
+ * Query result. "object" version.
*
- * @return object
+ * @return array
*/
public function result_object()
{
@@ -218,7 +224,7 @@ class CI_DB_result {
return;
}
- if ($key != '' AND ! is_null($value))
+ if ($key != '' && ! is_null($value))
{
$this->row_data[$key] = $value;
}
@@ -239,7 +245,7 @@ class CI_DB_result {
return $result;
}
- if ($n != $this->current_row AND isset($result[$n]))
+ if ($n != $this->current_row && isset($result[$n]))
{
$this->current_row = $n;
}
@@ -260,7 +266,7 @@ class CI_DB_result {
return $result;
}
- if ($n != $this->current_row AND isset($result[$n]))
+ if ($n != $this->current_row && isset($result[$n]))
{
$this->current_row = $n;
}
@@ -283,7 +289,7 @@ class CI_DB_result {
return $result;
}
- if ($n != $this->current_row AND isset($result[$n]))
+ if ($n != $this->current_row && isset($result[$n]))
{
$this->current_row = $n;
}
@@ -291,7 +297,6 @@ class CI_DB_result {
return $result[$this->current_row];
}
-
// --------------------------------------------------------------------
/**
@@ -368,9 +373,9 @@ class CI_DB_result {
/**
* The following functions are normally overloaded by the identically named
* methods in the platform-specific driver -- except when query caching
- * is used. When caching is enabled we do not load the other driver.
+ * is used. When caching is enabled we do not load the other driver.
* These functions are primarily here to prevent undefined function errors
- * when a cached result object is in use. They are not otherwise fully
+ * when a cached result object is in use. They are not otherwise fully
* operational due to the unavailability of the database resource IDs with
* cached results.
*/
@@ -378,12 +383,12 @@ class CI_DB_result {
public function num_fields() { return 0; }
public function list_fields() { return array(); }
public function field_data() { return array(); }
- public function free_result() { return TRUE; }
- protected function _data_seek() { return TRUE; }
+ public function free_result() { $this->result_id = FALSE; }
+ protected function _data_seek() { return FALSE; }
protected function _fetch_assoc() { return array(); }
protected function _fetch_object() { return array(); }
}
/* End of file DB_result.php */
-/* Location: ./system/database/DB_result.php */
+/* Location: ./system/database/DB_result.php */ \ No newline at end of file
diff --git a/system/database/DB_utility.php b/system/database/DB_utility.php
index 4c881d8a1..587dfdc01 100644
--- a/system/database/DB_utility.php
+++ b/system/database/DB_utility.php
@@ -2,7 +2,7 @@
/**
* CodeIgniter
*
- * An open source application development framework for PHP 5.1.6 or newer
+ * An open source application development framework for PHP 5.2.4 or newer
*
* NOTICE OF LICENSE
*
@@ -32,11 +32,16 @@
* @author EllisLab Dev Team
* @link http://codeigniter.com/user_guide/database/
*/
-class CI_DB_utility extends CI_DB_forge {
+abstract class CI_DB_utility extends CI_DB_forge {
public $db;
public $data_cache = array();
+ // Platform specific SQL strings
+ // Just setting those defaults to FALSE as they are mostly MySQL-specific
+ protected $_optimize_table = FALSE;
+ protected $_repair_table = FALSE;
+
public function __construct()
{
// Assign the main database object to $this->db
@@ -50,7 +55,7 @@ class CI_DB_utility extends CI_DB_forge {
/**
* List databases
*
- * @return bool
+ * @return array
*/
public function list_databases()
{
@@ -59,18 +64,25 @@ class CI_DB_utility extends CI_DB_forge {
{
return $this->data_cache['db_names'];
}
+ elseif ($this->_list_databases === FALSE)
+ {
+ return ($this->db->db_debug) ? $this->db->display_error('db_unsuported_feature') : FALSE;
+ }
+
+ $this->data_cache['db_names'] = array();
- $query = $this->db->query($this->_list_databases());
- $dbs = array();
- if ($query->num_rows() > 0)
+ $query = $this->db->query($this->_list_databases);
+ if ($query === FALSE)
{
- foreach ($query->result_array() as $row)
- {
- $dbs[] = current($row);
- }
+ return $this->data_cache['db_names'];
+ }
+
+ for ($i = 0, $c = count($query); $i < $c; $i++)
+ {
+ $this->data_cache['db_names'] = current($query[$i]);
}
- return $this->data_cache['db_names'] = $dbs;
+ return $this->data_cache['db_names'];
}
// --------------------------------------------------------------------
@@ -79,48 +91,36 @@ class CI_DB_utility extends CI_DB_forge {
* Determine if a particular database exists
*
* @param string
- * @return boolean
+ * @return bool
*/
public function database_exists($database_name)
{
- // Some databases won't have access to the list_databases() function, so
- // this is intended to allow them to override with their own functions as
- // defined in $driver_utility.php
- if (method_exists($this, '_database_exists'))
- {
- return $this->_database_exists($database_name);
- }
- else
- {
- return ( ! in_array($database_name, $this->list_databases())) ? FALSE : TRUE;
- }
+ return in_array($database_name, $this->list_databases());
}
-
// --------------------------------------------------------------------
/**
* Optimize Table
*
* @param string the table name
- * @return bool
+ * @return mixed
*/
public function optimize_table($table_name)
{
- $sql = $this->_optimize_table($table_name);
-
- if (is_bool($sql))
+ if ($this->_optimize_table === FALSE)
{
- show_error('db_must_use_set');
- return FALSE;
+ return ($this->db->db_debug) ? $this->db->display_error('db_unsuported_feature') : FALSE;
}
- $query = $this->db->query($sql);
- $res = $query->result_array();
+ $query = $this->db->query(sprintf($this->_optimize_table, $this->db->escape_identifiers($table_name)));
+ if ($query !== FALSE)
+ {
+ $query = $query->result_array();
+ return current($res);
+ }
- // Note: Due to a bug in current() that affects some versions
- // of PHP we can not pass function call directly into it
- return current($res);
+ return FALSE;
}
// --------------------------------------------------------------------
@@ -128,26 +128,26 @@ class CI_DB_utility extends CI_DB_forge {
/**
* Optimize Database
*
- * @return array
+ * @return mixed
*/
public function optimize_database()
{
+ if ($this->_optimize_table === FALSE)
+ {
+ return ($this->db->db_debug) ? $this->db->display_error('db_unsuported_feature') : FALSE;
+ }
+
$result = array();
foreach ($this->db->list_tables() as $table_name)
{
- $sql = $this->_optimize_table($table_name);
-
- if (is_bool($sql))
+ $res = $this->db->query(sprintf($this->_optimize_table, $this->db->escape_identifiers($table_name)));
+ if (is_bool($res))
{
- return $sql;
+ return $res;
}
- $query = $this->db->query($sql);
-
// Build the result array...
- // Note: Due to a bug in current() that affects some versions
- // of PHP we can not pass function call directly into it
- $res = $query->result_array();
+ $res = $res->result_array();
$res = current($res);
$key = str_replace($this->db->database.'.', '', current($res));
$keys = array_keys($res);
@@ -165,23 +165,23 @@ class CI_DB_utility extends CI_DB_forge {
* Repair Table
*
* @param string the table name
- * @return bool
+ * @return mixed
*/
public function repair_table($table_name)
{
- $sql = $this->_repair_table($table_name);
-
- if (is_bool($sql))
+ if ($this->_repair_table === FALSE)
{
- return $sql;
+ return ($this->db->db_debug) ? $this->db->display_error('db_unsuported_feature') : FALSE;
}
- $query = $this->db->query($sql);
+ $query = $this->db->query(sprintf($this->_repair_table, $this->db->escape_identifiers($table_name)));
+ if (is_bool($query))
+ {
+ return $query;
+ }
- // Note: Due to a bug in current() that affects some versions
- // of PHP we can not pass function call directly into it
- $res = $query->result_array();
- return current($res);
+ $query = $query->result_array();
+ return current($query);
}
// --------------------------------------------------------------------
@@ -257,18 +257,18 @@ class CI_DB_utility extends CI_DB_forge {
$CI->load->helper('xml');
// Generate the result
- $xml = "<{$root}>".$newline;
+ $xml = '<'.$root.'>'.$newline;
foreach ($query->result_array() as $row)
{
- $xml .= $tab."<{$element}>".$newline;
+ $xml .= $tab.'<'.$element.'>'.$newline;
foreach ($row as $key => $val)
{
- $xml .= $tab.$tab."<{$key}>".xml_convert($val)."</{$key}>".$newline;
+ $xml .= $tab.$tab.'<'.$key.'>'.xml_convert($val).'</'.$key.'>'.$newline;
}
- $xml .= $tab."</{$element}>".$newline;
+ $xml .= $tab.'</'.$element.'>'.$newline;
}
- return $xml .= "</$root>".$newline;
+ return $xml.'</'.$root.'>'.$newline;
}
// --------------------------------------------------------------------
@@ -328,8 +328,8 @@ class CI_DB_utility extends CI_DB_forge {
// Is the encoder supported? If not, we'll either issue an
// error or use plain text depending on the debug settings
- if (($prefs['format'] === 'gzip' AND ! @function_exists('gzencode'))
- OR ($prefs['format'] === 'zip' AND ! @function_exists('gzcompress')))
+ if (($prefs['format'] === 'gzip' && ! @function_exists('gzencode'))
+ OR ($prefs['format'] === 'zip' && ! @function_exists('gzcompress')))
{
if ($this->db->db_debug)
{
@@ -384,4 +384,4 @@ class CI_DB_utility extends CI_DB_forge {
}
/* End of file DB_utility.php */
-/* Location: ./system/database/DB_utility.php */
+/* Location: ./system/database/DB_utility.php */ \ No newline at end of file
diff --git a/system/database/drivers/cubrid/cubrid_driver.php b/system/database/drivers/cubrid/cubrid_driver.php
index cde719eae..7a5c048f9 100644
--- a/system/database/drivers/cubrid/cubrid_driver.php
+++ b/system/database/drivers/cubrid/cubrid_driver.php
@@ -1,13 +1,13 @@
-<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
- * An open source application development framework for PHP 5.1.6 or newer
+ * An open source application development framework for PHP 5.2.4 or newer
*
* NOTICE OF LICENSE
- *
+ *
* Licensed under the Open Software License version 3.0
- *
+ *
* This source file is subject to the Open Software License (OSL 3.0) that is
* bundled with this package in the files license.txt / license.rst. It is
* also available through the world wide web at this URL:
@@ -25,8 +25,6 @@
* @filesource
*/
-// ------------------------------------------------------------------------
-
/**
* CUBRID Database Adapter Class
*
@@ -42,151 +40,134 @@
*/
class CI_DB_cubrid_driver extends CI_DB {
- // Default CUBRID Broker port. Will be used unless user
- // explicitly specifies another one.
- const DEFAULT_PORT = 33000;
-
- var $dbdriver = 'cubrid';
+ public $dbdriver = 'cubrid';
// The character used for escaping - no need in CUBRID
- var $_escape_char = '';
+ protected $_escape_char = '';
// clause and character used for LIKE escape sequences - not used in CUBRID
- var $_like_escape_str = '';
- var $_like_escape_chr = '';
+ protected $_like_escape_str = '';
+ protected $_like_escape_chr = '';
/**
* The syntax to count rows is slightly different across different
* database engines, so this string appears in each driver and is
* used for the count_all() and count_all_results() functions.
*/
- var $_count_string = 'SELECT COUNT(*) AS ';
- var $_random_keyword = ' RAND()'; // database specific random keyword
+ protected $_count_string = 'SELECT COUNT(*) AS ';
+ protected $_random_keyword = ' RAND()'; // database specific random keyword
- /**
- * Non-persistent database connection
- *
- * @access private called by the base class
- * @return resource
- */
- function db_connect()
- {
- // If no port is defined by the user, use the default value
- if ($this->port == '')
- {
- $this->port = self::DEFAULT_PORT;
- }
+ // CUBRID-specific properties
+ public $auto_commit = TRUE;
- $conn = cubrid_connect($this->hostname, $this->port, $this->database, $this->username, $this->password);
+ public function __construct($params)
+ {
+ parent::__construct($params);
- if ($conn)
+ if (preg_match('/^CUBRID:[^:]+(:[0-9][1-9]{0,4})?:[^:]+:[^:]*:[^:]*:(\?.+)?$/', $this->dsn, $matches))
{
- // Check if a user wants to run queries in dry, i.e. run the
- // queries but not commit them.
- if (isset($this->auto_commit) && ! $this->auto_commit)
+ if (stripos($matches[2], 'autocommit=off') !== FALSE)
{
- cubrid_set_autocommit($conn, CUBRID_AUTOCOMMIT_FALSE);
- }
- else
- {
- cubrid_set_autocommit($conn, CUBRID_AUTOCOMMIT_TRUE);
- $this->auto_commit = TRUE;
+ $this->auto_commit = FALSE;
}
}
+ else
+ {
+ // If no port is defined by the user, use the default value
+ $this->port == '' OR $this->port = 33000;
+ }
+ }
- return $conn;
+ /**
+ * Non-persistent database connection
+ *
+ * @return resource
+ */
+ public function db_connect()
+ {
+ return $this->_cubrid_connect();
}
// --------------------------------------------------------------------
/**
* Persistent database connection
+ *
* In CUBRID persistent DB connection is supported natively in CUBRID
* engine which can be configured in the CUBRID Broker configuration
* file by setting the CCI_PCONNECT parameter to ON. In that case, all
* connections established between the client application and the
- * server will become persistent. This is calling the same
- * @cubrid_connect function will establish persisten connection
- * considering that the CCI_PCONNECT is ON.
+ * server will become persistent.
*
- * @access private called by the base class
* @return resource
*/
- function db_pconnect()
+ public function db_pconnect()
{
- return $this->db_connect();
+ return $this->_cubrid_connect(TRUE);
}
// --------------------------------------------------------------------
/**
- * Reconnect
+ * CUBRID connection
*
- * Keep / reestablish the db connection if no queries have been
- * sent for a length of time exceeding the server's idle timeout
+ * A CUBRID-specific method to create a connection to the database.
+ * Except for determining if a persistent connection should be used,
+ * the rest of the logic is the same for db_connect() and db_pconnect().
*
- * @access public
- * @return void
+ * @param bool
+ * @return resource
*/
- function reconnect()
+ protected function _cubrid_connect($persistent = FALSE)
{
- if (cubrid_ping($this->conn_id) === FALSE)
+ if (preg_match('/^CUBRID:[^:]+(:[0-9][1-9]{0,4})?:[^:]+:([^:]*):([^:]*):(\?.+)?$/', $this->dsn, $matches))
{
- $this->conn_id = FALSE;
+ $_temp = ($persistent !== TRUE) ? 'cubrid_connect_with_url' : 'cubrid_pconnect_with_url';
+ $conn_id = ($matches[2] === '' && $matches[3] === '' && $this->username !== '' && $this->password !== '')
+ ? $_temp($this->dsn, $this->username, $this->password)
+ : $_temp($this->dsn);
+ }
+ else
+ {
+ $_temp = ($persistent !== TRUE) ? 'cubrid_connect' : 'cubrid_pconnect';
+ $conn_id = ($this->username !== '')
+ ? $_temp($this->hostname, $this->port, $this->database, $this->username, $this->password)
+ : $_temp($this->hostname, $this->port, $this->database);
}
- }
-
- // --------------------------------------------------------------------
- /**
- * Select the database
- *
- * @access private called by the base class
- * @return resource
- */
- function db_select()
- {
- // In CUBRID there is no need to select a database as the database
- // is chosen at the connection time.
- // So, to determine if the database is "selected", all we have to
- // do is ping the server and return that value.
- return cubrid_ping($this->conn_id);
+ return $conn_id;
}
// --------------------------------------------------------------------
/**
- * Set client character set
+ * Reconnect
*
- * @access public
- * @param string
- * @param string
- * @return resource
+ * Keep / reestablish the db connection if no queries have been
+ * sent for a length of time exceeding the server's idle timeout
+ *
+ * @return void
*/
- function db_set_charset($charset, $collation)
+ public function reconnect()
{
- // In CUBRID, there is no need to set charset or collation.
- // This is why returning true will allow the application continue
- // its normal process.
- return TRUE;
+ if (cubrid_ping($this->conn_id) === FALSE)
+ {
+ $this->conn_id = FALSE;
+ }
}
// --------------------------------------------------------------------
/**
- * Version number query string
+ * Database version number
*
- * @access public
* @return string
*/
- function _version()
+ public function version()
{
- // To obtain the CUBRID Server version, no need to run the SQL query.
- // CUBRID PHP API provides a function to determin this value.
- // This is why we also need to add 'cubrid' value to the list of
- // $driver_version_exceptions array in DB_driver class in
- // version() function.
- return cubrid_get_server_info($this->conn_id);
+ return isset($this->data_cache['version'])
+ ? $this->data_cache['version']
+ : $this->data_cache['version'] = cubrid_get_server_info($this->conn_id);
}
// --------------------------------------------------------------------
@@ -194,42 +175,22 @@ class CI_DB_cubrid_driver extends CI_DB {
/**
* Execute the query
*
- * @access private called by the base class
* @param string an SQL query
* @return resource
*/
- function _execute($sql)
+ protected function _execute($sql)
{
- $sql = $this->_prep_query($sql);
return @cubrid_query($sql, $this->conn_id);
}
// --------------------------------------------------------------------
/**
- * Prep the query
- *
- * If needed, each database adapter can prep the query string
- *
- * @access private called by execute()
- * @param string an SQL query
- * @return string
- */
- function _prep_query($sql)
- {
- // No need to prepare
- return $sql;
- }
-
- // --------------------------------------------------------------------
-
- /**
* Begin Transaction
*
- * @access public
* @return bool
*/
- function trans_begin($test_mode = FALSE)
+ public function trans_begin($test_mode = FALSE)
{
if ( ! $this->trans_enabled)
{
@@ -260,10 +221,9 @@ class CI_DB_cubrid_driver extends CI_DB {
/**
* Commit Transaction
*
- * @access public
* @return bool
*/
- function trans_commit()
+ public function trans_commit()
{
if ( ! $this->trans_enabled)
{
@@ -291,10 +251,9 @@ class CI_DB_cubrid_driver extends CI_DB {
/**
* Rollback Transaction
*
- * @access public
* @return bool
*/
- function trans_rollback()
+ public function trans_rollback()
{
if ( ! $this->trans_enabled)
{
@@ -322,12 +281,11 @@ class CI_DB_cubrid_driver extends CI_DB {
/**
* Escape String
*
- * @access public
* @param string
* @param bool whether or not the string will be used in a LIKE condition
* @return string
*/
- function escape_str($str, $like = FALSE)
+ public function escape_str($str, $like = FALSE)
{
if (is_array($str))
{
@@ -362,12 +320,11 @@ class CI_DB_cubrid_driver extends CI_DB {
/**
* Affected Rows
*
- * @access public
- * @return integer
+ * @return int
*/
- function affected_rows()
+ public function affected_rows()
{
- return @cubrid_affected_rows($this->conn_id);
+ return @cubrid_affected_rows();
}
// --------------------------------------------------------------------
@@ -375,10 +332,9 @@ class CI_DB_cubrid_driver extends CI_DB {
/**
* Insert ID
*
- * @access public
- * @return integer
+ * @return int
*/
- function insert_id()
+ public function insert_id()
{
return @cubrid_insert_id($this->conn_id);
}
@@ -391,19 +347,17 @@ class CI_DB_cubrid_driver extends CI_DB {
* Generates a platform-specific query string that counts all records in
* the specified table
*
- * @access public
* @param string
- * @return string
+ * @return int
*/
- function count_all($table = '')
+ public function count_all($table = '')
{
if ($table == '')
{
return 0;
}
-
- $query = $this->query($this->_count_string . $this->_protect_identifiers('numrows') . " FROM " . $this->_protect_identifiers($table, TRUE, NULL, FALSE));
+ $query = $this->query($this->_count_string.$this->protect_identifiers('numrows').' FROM '.$this->protect_identifiers($table, TRUE, NULL, FALSE));
if ($query->num_rows() == 0)
{
return 0;
@@ -421,11 +375,10 @@ class CI_DB_cubrid_driver extends CI_DB {
*
* Generates a platform-specific query string so that the table names can be fetched
*
- * @access private
- * @param boolean
+ * @param bool
* @return string
*/
- function _list_tables($prefix_limit = FALSE)
+ protected function _list_tables($prefix_limit = FALSE)
{
$sql = "SHOW TABLES";
@@ -444,13 +397,12 @@ class CI_DB_cubrid_driver extends CI_DB {
*
* Generates a platform-specific query string so that the column names can be fetched
*
- * @access public
* @param string the table name
* @return string
*/
- function _list_columns($table = '')
+ protected function _list_columns($table = '')
{
- return "SHOW COLUMNS FROM ".$this->_protect_identifiers($table, TRUE, NULL, FALSE);
+ return 'SHOW COLUMNS FROM '.$this->protect_identifiers($table, TRUE, NULL, FALSE);
}
// --------------------------------------------------------------------
@@ -460,81 +412,27 @@ class CI_DB_cubrid_driver extends CI_DB {
*
* Generates a platform-specific query so that the column data can be retrieved
*
- * @access public
* @param string the table name
- * @return object
- */
- function _field_data($table)
- {
- return "SELECT * FROM ".$table." LIMIT 1";
- }
-
- // --------------------------------------------------------------------
-
- /**
- * The error message string
- *
- * @access private
* @return string
*/
- function _error_message()
- {
- return cubrid_error($this->conn_id);
- }
-
- // --------------------------------------------------------------------
-
- /**
- * The error message number
- *
- * @access private
- * @return integer
- */
- function _error_number()
+ protected function _field_data($table)
{
- return cubrid_errno($this->conn_id);
+ return "SELECT * FROM ".$table." LIMIT 1";
}
// --------------------------------------------------------------------
/**
- * Escape the SQL Identifiers
+ * Error
*
- * This function escapes column and table names
+ * Returns an array containing code and message of the last
+ * database error that has occured.
*
- * @access private
- * @param string
- * @return string
+ * @return array
*/
- function _escape_identifiers($item)
+ public function error()
{
- if ($this->_escape_char == '')
- {
- return $item;
- }
-
- foreach ($this->_reserved_identifiers as $id)
- {
- if (strpos($item, '.'.$id) !== FALSE)
- {
- $str = $this->_escape_char. str_replace('.', $this->_escape_char.'.', $item);
-
- // remove duplicates if the user already included the escape
- return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $str);
- }
- }
-
- if (strpos($item, '.') !== FALSE)
- {
- $str = $this->_escape_char.str_replace('.', $this->_escape_char.'.'.$this->_escape_char, $item).$this->_escape_char;
- }
- else
- {
- $str = $this->_escape_char.$item.$this->_escape_char;
- }
-
- // remove duplicates if the user already included the escape
- return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $str);
+ return array('code' => cubrid_errno($this->conn_id), 'message' => cubrid_error($this->conn_id));
}
// --------------------------------------------------------------------
@@ -545,11 +443,10 @@ class CI_DB_cubrid_driver extends CI_DB {
* This function implicitly groups FROM tables so there is no confusion
* about operator precedence in harmony with SQL standards
*
- * @access public
- * @param type
- * @return type
+ * @param array
+ * @return string
*/
- function _from_tables($tables)
+ protected function _from_tables($tables)
{
if ( ! is_array($tables))
{
@@ -562,109 +459,16 @@ class CI_DB_cubrid_driver extends CI_DB {
// --------------------------------------------------------------------
/**
- * Insert statement
- *
- * Generates a platform-specific insert string from the supplied data
- *
- * @access public
- * @param string the table name
- * @param array the insert keys
- * @param array the insert values
- * @return string
- */
- function _insert($table, $keys, $values)
- {
- return "INSERT INTO ".$table." (\"".implode('", "', $keys)."\") VALUES (".implode(', ', $values).")";
- }
-
- // --------------------------------------------------------------------
-
-
- /**
- * Replace statement
- *
- * Generates a platform-specific replace string from the supplied data
- *
- * @access public
- * @param string the table name
- * @param array the insert keys
- * @param array the insert values
- * @return string
- */
- function _replace($table, $keys, $values)
- {
- return "REPLACE INTO ".$table." (\"".implode('", "', $keys)."\") VALUES (".implode(', ', $values).")";
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Insert_batch statement
- *
- * Generates a platform-specific insert string from the supplied data
- *
- * @access public
- * @param string the table name
- * @param array the insert keys
- * @param array the insert values
- * @return string
- */
- function _insert_batch($table, $keys, $values)
- {
- return "INSERT INTO ".$table." (\"".implode('", "', $keys)."\") VALUES ".implode(', ', $values);
- }
-
- // --------------------------------------------------------------------
-
-
- /**
- * Update statement
- *
- * Generates a platform-specific update string from the supplied data
- *
- * @access public
- * @param string the table name
- * @param array the update data
- * @param array the where clause
- * @param array the orderby clause
- * @param array the limit clause
- * @return string
- */
- function _update($table, $values, $where, $orderby = array(), $limit = FALSE)
- {
- foreach ($values as $key => $val)
- {
- $valstr[] = sprintf('"%s" = %s', $key, $val);
- }
-
- $limit = ( ! $limit) ? '' : ' LIMIT '.$limit;
-
- $orderby = (count($orderby) >= 1)?' ORDER BY '.implode(", ", $orderby):'';
-
- $sql = "UPDATE ".$table." SET ".implode(', ', $valstr);
-
- $sql .= ($where != '' AND count($where) >=1) ? " WHERE ".implode(" ", $where) : '';
-
- $sql .= $orderby.$limit;
-
- return $sql;
- }
-
- // --------------------------------------------------------------------
-
-
- /**
* Update_Batch statement
*
* Generates a platform-specific batch update string from the supplied data
*
- * @access public
* @param string the table name
* @param array the update data
* @param array the where clause
* @return string
*/
- function _update_batch($table, $values, $index, $where = NULL)
+ protected function _update_batch($table, $values, $index, $where = NULL)
{
$ids = array();
$where = ($where != '' AND count($where) >=1) ? implode(" ", $where).' AND ' : '';
@@ -705,71 +509,17 @@ class CI_DB_cubrid_driver extends CI_DB {
// --------------------------------------------------------------------
-
- /**
- * Truncate statement
- *
- * Generates a platform-specific truncate string from the supplied data
- * If the database does not support the truncate() command
- * This function maps to "DELETE FROM table"
- *
- * @access public
- * @param string the table name
- * @return string
- */
- function _truncate($table)
- {
- return "TRUNCATE ".$table;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Delete statement
- *
- * Generates a platform-specific delete string from the supplied data
- *
- * @access public
- * @param string the table name
- * @param array the where clause
- * @param string the limit clause
- * @return string
- */
- function _delete($table, $where = array(), $like = array(), $limit = FALSE)
- {
- $conditions = '';
-
- if (count($where) > 0 OR count($like) > 0)
- {
- $conditions = "\nWHERE ";
- $conditions .= implode("\n", $this->ar_where);
-
- if (count($where) > 0 && count($like) > 0)
- {
- $conditions .= " AND ";
- }
- $conditions .= implode("\n", $like);
- }
-
- $limit = ( ! $limit) ? '' : ' LIMIT '.$limit;
-
- return "DELETE FROM ".$table.$conditions.$limit;
- }
-
- // --------------------------------------------------------------------
-
/**
* Limit string
*
* Generates a platform-specific LIMIT clause
*
- * @access public
* @param string the sql query string
- * @param integer the number of rows to limit the query to
- * @param integer the offset value
+ * @param int the number of rows to limit the query to
+ * @param int the offset value
* @return string
*/
- function _limit($sql, $limit, $offset)
+ protected function _limit($sql, $limit, $offset)
{
if ($offset == 0)
{
@@ -788,17 +538,15 @@ class CI_DB_cubrid_driver extends CI_DB {
/**
* Close DB Connection
*
- * @access public
* @param resource
* @return void
*/
- function _close($conn_id)
+ protected function _close($conn_id)
{
@cubrid_close($conn_id);
}
}
-
/* End of file cubrid_driver.php */
/* Location: ./system/database/drivers/cubrid/cubrid_driver.php */ \ No newline at end of file
diff --git a/system/database/drivers/cubrid/cubrid_forge.php b/system/database/drivers/cubrid/cubrid_forge.php
index 85e740057..16478ee11 100644
--- a/system/database/drivers/cubrid/cubrid_forge.php
+++ b/system/database/drivers/cubrid/cubrid_forge.php
@@ -1,13 +1,13 @@
-<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
- * An open source application development framework for PHP 5.1.6 or newer
+ * An open source application development framework for PHP 5.2.4 or newer
*
* NOTICE OF LICENSE
- *
+ *
* Licensed under the Open Software License version 3.0
- *
+ *
* This source file is subject to the Open Software License (OSL 3.0) that is
* bundled with this package in the files license.txt / license.rst. It is
* also available through the world wide web at this URL:
@@ -25,8 +25,6 @@
* @filesource
*/
-// ------------------------------------------------------------------------
-
/**
* CUBRID Forge Class
*
@@ -36,51 +34,21 @@
*/
class CI_DB_cubrid_forge extends CI_DB_forge {
- /**
- * Create database
- *
- * @access private
- * @param string the database name
- * @return bool
- */
- function _create_database($name)
- {
- // CUBRID does not allow to create a database in SQL. The GUI tools
- // have to be used for this purpose.
- return FALSE;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Drop database
- *
- * @access private
- * @param string the database name
- * @return bool
- */
- function _drop_database($name)
- {
- // CUBRID does not allow to drop a database in SQL. The GUI tools
- // have to be used for this purpose.
- return FALSE;
- }
-
- // --------------------------------------------------------------------
+ protected $_create_database = FALSE;
+ protected $_drop_database = FALSE;
/**
* Process Fields
*
- * @access private
* @param mixed the fields
* @return string
*/
- function _process_fields($fields)
+ protected function _process_fields($fields)
{
$current_field_count = 0;
$sql = '';
- foreach ($fields as $field=>$attributes)
+ foreach ($fields as $field => $attributes)
{
// Numeric field names aren't allowed in databases, so if the key is
// numeric, we know it was assigned by PHP and the developer manually
@@ -93,11 +61,11 @@ class CI_DB_cubrid_forge extends CI_DB_forge {
{
$attributes = array_change_key_case($attributes, CASE_UPPER);
- $sql .= "\n\t\"" . $this->db->_protect_identifiers($field) . "\"";
+ $sql .= "\n\t\"".$this->db->protect_identifiers($field).'"';
if (array_key_exists('NAME', $attributes))
{
- $sql .= ' '.$this->db->_protect_identifiers($attributes['NAME']).' ';
+ $sql .= ' '.$this->db->protect_identifiers($attributes['NAME']).' ';
}
if (array_key_exists('TYPE', $attributes))
@@ -172,15 +140,14 @@ class CI_DB_cubrid_forge extends CI_DB_forge {
/**
* Create Table
*
- * @access private
* @param string the table name
* @param mixed the fields
* @param mixed primary key(s)
* @param mixed key(s)
- * @param boolean should 'IF NOT EXISTS' be added to the SQL
+ * @param bool should 'IF NOT EXISTS' be added to the SQL
* @return bool
*/
- function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists)
+ protected function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists)
{
$sql = 'CREATE TABLE ';
@@ -190,17 +157,14 @@ class CI_DB_cubrid_forge extends CI_DB_forge {
// As of version 8.4.0 CUBRID does not support this SQL syntax.
}
- $sql .= $this->db->_escape_identifiers($table)." (";
-
- $sql .= $this->_process_fields($fields);
+ $sql .= $this->db->escape_identifiers($table).' ('.$this->_process_fields($fields);
// If there is a PK defined
if (count($primary_keys) > 0)
{
- $key_name = "pk_" . $table . "_" .
- $this->db->_protect_identifiers(implode('_', $primary_keys));
-
- $primary_keys = $this->db->_protect_identifiers($primary_keys);
+ $key_name = 'pk_'.$table.'_'.$this->db->protect_identifiers(implode('_', $primary_keys));
+
+ $primary_keys = $this->db->protect_identifiers($primary_keys);
$sql .= ",\n\tCONSTRAINT " . $key_name . " PRIMARY KEY(" . implode(', ', $primary_keys) . ")";
}
@@ -210,15 +174,15 @@ class CI_DB_cubrid_forge extends CI_DB_forge {
{
if (is_array($key))
{
- $key_name = $this->db->_protect_identifiers(implode('_', $key));
- $key = $this->db->_protect_identifiers($key);
+ $key_name = $this->db->protect_identifiers(implode('_', $key));
+ $key = $this->db->protect_identifiers($key);
}
else
{
- $key_name = $this->db->_protect_identifiers($key);
+ $key_name = $this->db->protect_identifiers($key);
$key = array($key_name);
}
-
+
$sql .= ",\n\tKEY \"{$key_name}\" (" . implode(', ', $key) . ")";
}
}
@@ -231,69 +195,37 @@ class CI_DB_cubrid_forge extends CI_DB_forge {
// --------------------------------------------------------------------
/**
- * Drop Table
- *
- * @access private
- * @return string
- */
- function _drop_table($table)
- {
- return "DROP TABLE IF EXISTS ".$this->db->_escape_identifiers($table);
- }
-
- // --------------------------------------------------------------------
-
- /**
* Alter table query
*
* Generates a platform-specific query so that a table can be altered
* Called by add_column(), drop_column(), and column_alter(),
*
- * @access private
* @param string the ALTER type (ADD, DROP, CHANGE)
* @param string the column name
* @param array fields
* @param string the field after which we should add the new field
- * @return object
+ * @return string
*/
- function _alter_table($alter_type, $table, $fields, $after_field = '')
+ protected function _alter_table($alter_type, $table, $fields, $after_field = '')
{
- $sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table)." $alter_type ";
+ $sql = 'ALTER TABLE '.$this->db->protect_identifiers($table).' '.$alter_type.' ';
// DROP has everything it needs now.
if ($alter_type == 'DROP')
{
- return $sql.$this->db->_protect_identifiers($fields);
+ return $sql.$this->db->protect_identifiers($fields);
}
$sql .= $this->_process_fields($fields);
if ($after_field != '')
{
- $sql .= ' AFTER ' . $this->db->_protect_identifiers($after_field);
+ return $sql.' AFTER '.$this->db->protect_identifiers($after_field);
}
return $sql;
}
- // --------------------------------------------------------------------
-
- /**
- * Rename a table
- *
- * Generates a platform-specific query so that a table can be renamed
- *
- * @access private
- * @param string the old table name
- * @param string the new table name
- * @return string
- */
- function _rename_table($table_name, $new_table_name)
- {
- $sql = 'RENAME TABLE '.$this->db->_protect_identifiers($table_name)." AS ".$this->db->_protect_identifiers($new_table_name);
- return $sql;
- }
-
}
/* End of file cubrid_forge.php */
diff --git a/system/database/drivers/cubrid/cubrid_result.php b/system/database/drivers/cubrid/cubrid_result.php
index 4c0fede10..58dcff29a 100644
--- a/system/database/drivers/cubrid/cubrid_result.php
+++ b/system/database/drivers/cubrid/cubrid_result.php
@@ -1,13 +1,13 @@
-<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
- * An open source application development framework for PHP 5.1.6 or newer
+ * An open source application development framework for PHP 5.2.4 or newer
*
* NOTICE OF LICENSE
- *
+ *
* Licensed under the Open Software License version 3.0
- *
+ *
* This source file is subject to the Open Software License (OSL 3.0) that is
* bundled with this package in the files license.txt / license.rst. It is
* also available through the world wide web at this URL:
@@ -25,8 +25,6 @@
* @filesource
*/
-// --------------------------------------------------------------------
-
/**
* CUBRID Result Class
*
@@ -41,10 +39,9 @@ class CI_DB_cubrid_result extends CI_DB_result {
/**
* Number of rows in the result set
*
- * @access public
- * @return integer
+ * @return int
*/
- function num_rows()
+ public function num_rows()
{
return @cubrid_num_rows($this->result_id);
}
@@ -54,10 +51,9 @@ class CI_DB_cubrid_result extends CI_DB_result {
/**
* Number of fields in the result set
*
- * @access public
- * @return integer
+ * @return int
*/
- function num_fields()
+ public function num_fields()
{
return @cubrid_num_fields($this->result_id);
}
@@ -69,10 +65,9 @@ class CI_DB_cubrid_result extends CI_DB_result {
*
* Generates an array of column names
*
- * @access public
* @return array
*/
- function list_fields()
+ public function list_fields()
{
return cubrid_column_names($this->result_id);
}
@@ -84,10 +79,9 @@ class CI_DB_cubrid_result extends CI_DB_result {
*
* Generates an array of objects containing field meta-data
*
- * @access public
* @return array
*/
- function field_data()
+ public function field_data()
{
$retval = array();
@@ -147,9 +141,9 @@ class CI_DB_cubrid_result extends CI_DB_result {
/**
* Free the result
*
- * @return null
+ * @return void
*/
- function free_result()
+ public function free_result()
{
if(is_resource($this->result_id) ||
get_resource_type($this->result_id) == "Unknown" &&
@@ -169,10 +163,9 @@ class CI_DB_cubrid_result extends CI_DB_result {
* this internally before fetching results to make sure the
* result set starts at zero
*
- * @access private
- * @return array
+ * @return bool
*/
- function _data_seek($n = 0)
+ protected function _data_seek($n = 0)
{
return cubrid_data_seek($this->result_id, $n);
}
@@ -184,10 +177,9 @@ class CI_DB_cubrid_result extends CI_DB_result {
*
* Returns the result set as an array
*
- * @access private
* @return array
*/
- function _fetch_assoc()
+ protected function _fetch_assoc()
{
return cubrid_fetch_assoc($this->result_id);
}
@@ -199,16 +191,14 @@ class CI_DB_cubrid_result extends CI_DB_result {
*
* Returns the result set as an object
*
- * @access private
* @return object
*/
- function _fetch_object()
+ protected function _fetch_object()
{
return cubrid_fetch_object($this->result_id);
}
}
-
/* End of file cubrid_result.php */
/* Location: ./system/database/drivers/cubrid/cubrid_result.php */ \ No newline at end of file
diff --git a/system/database/drivers/cubrid/cubrid_utility.php b/system/database/drivers/cubrid/cubrid_utility.php
index 750c0d8dd..274ff6a48 100644
--- a/system/database/drivers/cubrid/cubrid_utility.php
+++ b/system/database/drivers/cubrid/cubrid_utility.php
@@ -1,13 +1,13 @@
-<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
- * An open source application development framework for PHP 5.1.6 or newer
+ * An open source application development framework for PHP 5.2.4 or newer
*
* NOTICE OF LICENSE
- *
+ *
* Licensed under the Open Software License version 3.0
- *
+ *
* This source file is subject to the Open Software License (OSL 3.0) that is
* bundled with this package in the files license.txt / license.rst. It is
* also available through the world wide web at this URL:
@@ -25,8 +25,6 @@
* @filesource
*/
-// ------------------------------------------------------------------------
-
/**
* CUBRID Utility Class
*
@@ -39,75 +37,27 @@ class CI_DB_cubrid_utility extends CI_DB_utility {
/**
* List databases
*
- * @access private
* @return array
*/
- function _list_databases()
+ public function list_databases()
{
- // CUBRID does not allow to see the list of all databases on the
- // server. It is the way its architecture is designed. Every
- // database is independent and isolated.
- // For this reason we can return only the name of the currect
- // connected database.
- if ($this->conn_id)
+ if (isset($this->data_cache['db_names']))
{
- return "SELECT '" . $this->database . "'";
+ return $this->data_cache['db_names'];
}
- else
- {
- return FALSE;
- }
- }
- // --------------------------------------------------------------------
-
- /**
- * Optimize table query
- *
- * Generates a platform-specific query so that a table can be optimized
- *
- * @access private
- * @param string the table name
- * @return object
- * @link http://www.cubrid.org/manual/840/en/Optimize%20Database
- */
- function _optimize_table($table)
- {
- // No SQL based support in CUBRID as of version 8.4.0. Database or
- // table optimization can be performed using CUBRID Manager
- // database administration tool. See the link above for more info.
- return FALSE;
+ return $this->data_cache['db_names'] = cubrid_list_dbs($this->db->conn_id);
}
// --------------------------------------------------------------------
/**
- * Repair table query
- *
- * Generates a platform-specific query so that a table can be repaired
- *
- * @access private
- * @param string the table name
- * @return object
- * @link http://www.cubrid.org/manual/840/en/Checking%20Database%20Consistency
- */
- function _repair_table($table)
- {
- // Not supported in CUBRID as of version 8.4.0. Database or
- // table consistency can be checked using CUBRID Manager
- // database administration tool. See the link above for more info.
- return FALSE;
- }
-
- // --------------------------------------------------------------------
- /**
* CUBRID Export
*
- * @access private
* @param array Preferences
* @return mixed
*/
- function _backup($params = array())
+ protected function _backup($params = array())
{
// No SQL based support in CUBRID as of version 8.4.0. Database or
// table backup can be performed using CUBRID Manager
diff --git a/system/database/drivers/interbase/index.html b/system/database/drivers/interbase/index.html
new file mode 100644
index 000000000..c942a79ce
--- /dev/null
+++ b/system/database/drivers/interbase/index.html
@@ -0,0 +1,10 @@
+<html>
+<head>
+ <title>403 Forbidden</title>
+</head>
+<body>
+
+<p>Directory access is forbidden.</p>
+
+</body>
+</html> \ No newline at end of file
diff --git a/system/database/drivers/interbase/interbase_driver.php b/system/database/drivers/interbase/interbase_driver.php
new file mode 100644
index 000000000..6587d72ff
--- /dev/null
+++ b/system/database/drivers/interbase/interbase_driver.php
@@ -0,0 +1,486 @@
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+/**
+ * CodeIgniter
+ *
+ * An open source application development framework for PHP 5.2.4 or newer
+ *
+ * NOTICE OF LICENSE
+ *
+ * Licensed under the Open Software License version 3.0
+ *
+ * This source file is subject to the Open Software License (OSL 3.0) that is
+ * bundled with this package in the files license.txt / license.rst. It is
+ * also available through the world wide web at this URL:
+ * http://opensource.org/licenses/OSL-3.0
+ * If you did not receive a copy of the license and are unable to obtain it
+ * through the world wide web, please send an email to
+ * licensing@ellislab.com so we can send you a copy immediately.
+ *
+ * @package CodeIgniter
+ * @author EllisLab Dev Team
+ * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/)
+ * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0)
+ * @link http://codeigniter.com
+ * @since Version 3.0
+ * @filesource
+ */
+
+/**
+ * Firebird/Interbase Database Adapter Class
+ *
+ * Note: _DB is an extender class that the app controller
+ * creates dynamically based on whether the active record
+ * class is being used or not.
+ *
+ * @package CodeIgniter
+ * @subpackage Drivers
+ * @category Database
+ * @author EllisLab Dev Team
+ * @link http://codeigniter.com/user_guide/database/
+ */
+class CI_DB_interbase_driver extends CI_DB {
+
+ public $dbdriver = 'interbase';
+
+ // The character used to escape with
+ protected $_escape_char = '"';
+
+ // clause and character used for LIKE escape sequences
+ protected $_like_escape_str = " ESCAPE '%s' ";
+ protected $_like_escape_chr = '!';
+
+ /**
+ * The syntax to count rows is slightly different across different
+ * database engines, so this string appears in each driver and is
+ * used for the count_all() and count_all_results() functions.
+ */
+ protected $_count_string = 'SELECT COUNT(*) AS ';
+ protected $_random_keyword = ' Random()'; // database specific random keyword
+
+ // Keeps track of the resource for the current transaction
+ protected $trans;
+
+ /**
+ * Non-persistent database connection
+ *
+ * @return resource
+ */
+ public function db_connect()
+ {
+ return @ibase_connect($this->hostname.':'.$this->database, $this->username, $this->password, $this->char_set);
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Persistent database connection
+ *
+ * @return resource
+ */
+ public function db_pconnect()
+ {
+ return @ibase_pconnect($this->hostname.':'.$this->database, $this->username, $this->password, $this->char_set);
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Database version number
+ *
+ * @return string
+ */
+ public function version()
+ {
+ if (isset($this->data_cache['version']))
+ {
+ return $this->data_cache['version'];
+ }
+
+ if (($service = ibase_service_attach($this->hostname, $this->username, $this->password)))
+ {
+ $this->data_cache['version'] = ibase_server_info($service, IBASE_SVC_SERVER_VERSION);
+
+ // Don't keep the service open
+ ibase_service_detach($service);
+ return $this->data_cache['version'];
+ }
+
+ return FALSE;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Execute the query
+ *
+ * @param string an SQL query
+ * @return resource
+ */
+ protected function _execute($sql)
+ {
+ return @ibase_query($this->conn_id, $sql);
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Begin Transaction
+ *
+ * @return bool
+ */
+ public function trans_begin($test_mode = FALSE)
+ {
+ // When transactions are nested we only begin/commit/rollback the outermost ones
+ if ( ! $this->trans_enabled OR $this->_trans_depth > 0)
+ {
+ return TRUE;
+ }
+
+ // Reset the transaction failure flag.
+ // If the $test_mode flag is set to TRUE transactions will be rolled back
+ // even if the queries produce a successful result.
+ $this->_trans_failure = ($test_mode === TRUE);
+
+ $this->trans = @ibase_trans($this->conn_id);
+
+ return TRUE;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Commit Transaction
+ *
+ * @return bool
+ */
+ public function trans_commit()
+ {
+ // When transactions are nested we only begin/commit/rollback the outermost ones
+ if ( ! $this->trans_enabled OR $this->_trans->depth > 0)
+ {
+ return TRUE;
+ }
+
+ return @ibase_commit($this->trans);
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Rollback Transaction
+ *
+ * @return bool
+ */
+ public function trans_rollback()
+ {
+ // When transactions are nested we only begin/commit/rollback the outermost ones
+ if ( ! $this->trans_enabled OR $this->_trans_depth > 0)
+ {
+ return TRUE;
+ }
+
+ return @ibase_rollback($this->trans);
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Escape String
+ *
+ * @param string
+ * @param bool whether or not the string will be used in a LIKE condition
+ * @return string
+ */
+ public function escape_str($str, $like = FALSE)
+ {
+ if (is_array($str))
+ {
+ foreach ($str as $key => $val)
+ {
+ $str[$key] = $this->escape_str($val, $like);
+ }
+
+ return $str;
+ }
+
+ // escape LIKE condition wildcards
+ if ($like === TRUE)
+ {
+ return str_replace(array($this->_like_escape_chr, '%', '_'),
+ array($this->_like_escape_chr.$this->_like_escape_chr, $this->_like_escape_chr.'%', $this->_like_escape_chr.'_'),
+ $str);
+ }
+
+ return $str;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Affected Rows
+ *
+ * @return int
+ */
+ public function affected_rows()
+ {
+ return @ibase_affected_rows($this->conn_id);
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Insert ID
+ *
+ * @param string $generator_name
+ * @param int $inc_by
+ * @return int
+ */
+ public function insert_id($generator_name, $inc_by=0)
+ {
+ //If a generator hasn't been used before it will return 0
+ return ibase_gen_id('"'.$generator_name.'"', $inc_by);
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * "Count All" query
+ *
+ * Generates a platform-specific query string that counts all records in
+ * the specified database
+ *
+ * @param string
+ * @return string
+ */
+ public function count_all($table = '')
+ {
+ if ($table == '')
+ {
+ return 0;
+ }
+
+ $query = $this->query($this->_count_string.$this->protect_identifiers('numrows').' FROM '.$this->protect_identifiers($table, TRUE, NULL, FALSE));
+ if ($query->num_rows() == 0)
+ {
+ return 0;
+ }
+
+ $query = $query->row();
+ $this->_reset_select();
+ return (int) $query->numrows;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * List table query
+ *
+ * Generates a platform-specific query string so that the table names can be fetched
+ *
+ * @param bool
+ * @return string
+ */
+ protected function _list_tables($prefix_limit = FALSE)
+ {
+ $sql = 'SELECT "RDB$RELATION_NAME" FROM "RDB$RELATIONS" WHERE "RDB$RELATION_NAME" NOT LIKE \'RDB$%\' AND "RDB$RELATION_NAME" NOT LIKE \'MON$%\'';
+
+ if ($prefix_limit !== FALSE && $this->dbprefix != '')
+ {
+ return $sql.' AND "RDB$RELATION_NAME" LIKE \''.$this->escape_like_str($this->dbprefix)."%' ".sprintf($this->_like_escape_str, $this->_like_escape_chr);
+ }
+
+ return $sql;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Show column query
+ *
+ * Generates a platform-specific query string so that the column names can be fetched
+ *
+ * @param string the table name
+ * @return string
+ */
+ protected function _list_columns($table = '')
+ {
+ return 'SELECT "RDB$FIELD_NAME" FROM "RDB$RELATION_FIELDS" WHERE "RDB$RELATION_NAME" = \''.$this->escape_str($table)."'";
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Field data query
+ *
+ * Generates a platform-specific query so that the column data can be retrieved
+ *
+ * @param string the table name
+ * @return string
+ */
+ protected function _field_data($table)
+ {
+ // Need to find a more efficient way to do this
+ // but Interbase/Firebird seems to lack the
+ // limit clause
+ return 'SELECT * FROM '.$table;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Error
+ *
+ * Returns an array containing code and message of the last
+ * database error that has occured.
+ *
+ * @return array
+ */
+ public function error()
+ {
+ return array('code' => ibase_errcode(), 'message' => ibase_errmsg());
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * From Tables
+ *
+ * This public function implicitly groups FROM tables so there is no confusion
+ * about operator precedence in harmony with SQL standards
+ *
+ * @param array
+ * @return string
+ */
+ protected function _from_tables($tables)
+ {
+ if ( ! is_array($tables))
+ {
+ $tables = array($tables);
+ }
+
+ //Interbase/Firebird doesn't like grouped tables
+ return implode(', ', $tables);
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Update statement
+ *
+ * Generates a platform-specific update string from the supplied data
+ *
+ * @param string the table name
+ * @param array the update data
+ * @param array the where clause
+ * @param array the orderby clause
+ * @param array the limit clause (ignored)
+ * @param array the like clause
+ * @return string
+ */
+ protected function _update($table, $values, $where, $orderby = array(), $limit = FALSE, $like = array())
+ {
+ foreach ($values as $key => $val)
+ {
+ $valstr[] = $key.' = '.$val;
+ }
+
+ $where = empty($where) ? '' : ' WHERE '.implode(' ', $where);
+
+ if ( ! empty($like))
+ {
+ $where .= ($where === '' ? ' WHERE ' : ' AND ').implode(' ', $like);
+ }
+
+ return 'UPDATE '.$table.' SET '.implode(', ', $valstr)
+ .$where
+ .(count($orderby) > 0 ? ' ORDER BY '.implode(', ', $orderby) : '');
+ }
+
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Truncate statement
+ *
+ * Generates a platform-specific truncate string from the supplied data
+ *
+ * If the database does not support the truncate() command,
+ * then this method maps to 'DELETE FROM table'
+ *
+ * @param string the table name
+ * @return string
+ */
+ protected function _truncate($table)
+ {
+ return 'DELETE FROM '.$table;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Delete statement
+ *
+ * Generates a platform-specific delete string from the supplied data
+ *
+ * @param string the table name
+ * @param array the where clause
+ * @param array the like clause
+ * @param string the limit clause (ignored)
+ * @return string
+ */
+ protected function _delete($table, $where = array(), $like = array(), $limit = FALSE)
+ {
+ $conditions = array();
+
+ empty($where) OR $conditions[] = implode(' ', $where);
+ empty($like) OR $conditions[] = implode(' ', $like);
+
+ return 'DELETE FROM '.$table.(count($conditions) > 0 ? ' WHERE '.implode(' AND ', $conditions) : '');
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Limit string
+ *
+ * Generates a platform-specific LIMIT clause
+ *
+ * @param string the sql query string
+ * @param int the number of rows to limit the query to
+ * @param int the offset value
+ * @return string
+ */
+ protected function _limit($sql, $limit, $offset)
+ {
+ // Limit clause depends on if Interbase or Firebird
+ if (stripos($this->version(), 'firebird') !== FALSE)
+ {
+ $select = 'FIRST '. (int) $limit
+ .($offset > 0 ? ' SKIP '. (int) $offset : '');
+ }
+ else
+ {
+ $select = 'ROWS '
+ .($offset > 0 ? (int) $offset.' TO '.($limit + $offset) : (int) $limit);
+ }
+
+ return preg_replace('`SELECT`i', 'SELECT '.$select, $sql);
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Close DB Connection
+ *
+ * @param resource
+ * @return void
+ */
+ protected function _close($conn_id)
+ {
+ @ibase_close($conn_id);
+ }
+
+}
+
+/* End of file interbase_driver.php */
+/* Location: ./system/database/drivers/interbase/interbase_driver.php */ \ No newline at end of file
diff --git a/system/database/drivers/interbase/interbase_forge.php b/system/database/drivers/interbase/interbase_forge.php
new file mode 100644
index 000000000..c850656a8
--- /dev/null
+++ b/system/database/drivers/interbase/interbase_forge.php
@@ -0,0 +1,224 @@
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+/**
+ * CodeIgniter
+ *
+ * An open source application development framework for PHP 5.2.4 or newer
+ *
+ * NOTICE OF LICENSE
+ *
+ * Licensed under the Open Software License version 3.0
+ *
+ * This source file is subject to the Open Software License (OSL 3.0) that is
+ * bundled with this package in the files license.txt / license.rst. It is
+ * also available through the world wide web at this URL:
+ * http://opensource.org/licenses/OSL-3.0
+ * If you did not receive a copy of the license and are unable to obtain it
+ * through the world wide web, please send an email to
+ * licensing@ellislab.com so we can send you a copy immediately.
+ *
+ * @package CodeIgniter
+ * @author EllisLab Dev Team
+ * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/)
+ * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0)
+ * @link http://codeigniter.com
+ * @since Version 3.0
+ * @filesource
+ */
+
+/**
+ * Interbase/Firebird Forge Class
+ *
+ * @category Database
+ * @author EllisLab Dev Team
+ * @link http://codeigniter.com/user_guide/database/
+ */
+class CI_DB_interbase_forge extends CI_DB_forge {
+
+ protected $_drop_table = 'DROP TABLE %s';
+
+ /**
+ * Create database
+ *
+ * @param string the database name
+ * @return string
+ */
+ public function create_database($db_name)
+ {
+ // Firebird databases are flat files, so a path is required
+
+ // Hostname is needed for remote access
+ empty($this->db->hostname) OR $db_name = $this->hostname.':'.$db_name;
+
+ return parent::create_database('"'.$db_name.'"');
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Drop database
+ *
+ * @param string the database name
+ * - not used in this driver, the current db is dropped
+ * @return bool
+ */
+ public function drop_database($db_name = '')
+ {
+ if ( ! ibase_drop_db($this->conn_id))
+ {
+ return ($this->db->db_debug) ? $this->db->display_error('db_unable_to_drop') : FALSE;
+ }
+
+ return TRUE;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Create Table
+ *
+ * @param string the table name
+ * @param array the fields
+ * @param mixed primary key(s)
+ * @param mixed key(s)
+ * @param bool should 'IF NOT EXISTS' be added to the SQL
+ * @return string
+ */
+ protected function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists)
+ {
+ $sql = 'CREATE TABLE ';
+
+ $sql .= $this->db->protect_identifiers($table)."(";
+ $current_field_count = 0;
+
+ foreach ($fields as $field => $attributes)
+ {
+ // Numeric field names aren't allowed in databases, so if the key is
+ // numeric, we know it was assigned by PHP and the developer manually
+ // entered the field information, so we'll simply add it to the list
+ if (is_numeric($field))
+ {
+ $sql .= "\n\t$attributes";
+ }
+ else
+ {
+ $attributes = array_change_key_case($attributes, CASE_UPPER);
+
+ $sql .= "\n\t".$this->db->protect_identifiers($field);
+
+ $sql .= ' '.$attributes['TYPE'];
+
+ if (array_key_exists('CONSTRAINT', $attributes))
+ {
+ $sql .= '('.$attributes['CONSTRAINT'].')';
+ }
+
+ if (array_key_exists('UNSIGNED', $attributes) && $attributes['UNSIGNED'] === TRUE)
+ {
+ $sql .= ' UNSIGNED';
+ }
+
+ if (array_key_exists('DEFAULT', $attributes))
+ {
+ $sql .= ' DEFAULT \''.$attributes['DEFAULT'].'\'';
+ }
+
+ if (array_key_exists('NULL', $attributes) && $attributes['NULL'] === TRUE)
+ {
+ $sql .= ' NULL';
+ }
+ else
+ {
+ $sql .= ' NOT NULL';
+ }
+
+ if (array_key_exists('AUTO_INCREMENT', $attributes) && $attributes['AUTO_INCREMENT'] === TRUE)
+ {
+ $sql .= ' AUTO_INCREMENT';
+ }
+ }
+
+ // don't add a comma on the end of the last field
+ if (++$current_field_count < count($fields))
+ {
+ $sql .= ',';
+ }
+ }
+
+ if (count($primary_keys) > 0)
+ {
+ $primary_keys = $this->db->protect_identifiers($primary_keys);
+ $sql .= ",\n\tPRIMARY KEY (" . implode(', ', $primary_keys) . ")";
+ }
+
+ if (is_array($keys) && count($keys) > 0)
+ {
+ foreach ($keys as $key)
+ {
+ if (is_array($key))
+ {
+ $key = $this->db->protect_identifiers($key);
+ }
+ else
+ {
+ $key = array($this->db->protect_identifiers($key));
+ }
+
+ $sql .= ",\n\tUNIQUE (" . implode(', ', $key) . ")";
+ }
+ }
+
+ $sql .= "\n)";
+
+ return $sql;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Alter table query
+ *
+ * Generates a platform-specific query so that a table can be altered
+ * Called by add_column(), drop_column(), and column_alter(),
+ *
+ * @param string the ALTER type (ADD, DROP, CHANGE)
+ * @param string the column name
+ * @param string the table name
+ * @param string the column definition
+ * @param string the default value
+ * @param bool should 'NOT NULL' be added
+ * @param string the field after which we should add the new field
+ * @return string
+ */
+ protected function _alter_table($alter_type, $table, $column_name, $column_definition = '', $default_value = '', $null = '', $after_field = '')
+ {
+ $sql = 'ALTER TABLE '.$this->db->protect_identifiers($table)." $alter_type ".$this->db->protect_identifiers($column_name);
+
+ $sql .= " {$column_definition}";
+
+ if ($default_value != '')
+ {
+ $sql .= " DEFAULT \"{$default_value}\"";
+ }
+
+ if ($null === NULL)
+ {
+ $sql .= ' NULL';
+ }
+ else
+ {
+ $sql .= ' NOT NULL';
+ }
+
+ if ($after_field != '')
+ {
+ $sql .= ' AFTER ' . $this->db->protect_identifiers($after_field);
+ }
+
+ return $sql;
+
+ }
+
+}
+
+/* End of file interbase_forge.php */
+/* Location: ./system/database/drivers/interbase/interbase_forge.php */ \ No newline at end of file
diff --git a/system/database/drivers/interbase/interbase_result.php b/system/database/drivers/interbase/interbase_result.php
new file mode 100644
index 000000000..5ddb6fa47
--- /dev/null
+++ b/system/database/drivers/interbase/interbase_result.php
@@ -0,0 +1,260 @@
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+/**
+ * CodeIgniter
+ *
+ * An open source application development framework for PHP 5.2.4 or newer
+ *
+ * NOTICE OF LICENSE
+ *
+ * Licensed under the Open Software License version 3.0
+ *
+ * This source file is subject to the Open Software License (OSL 3.0) that is
+ * bundled with this package in the files license.txt / license.rst. It is
+ * also available through the world wide web at this URL:
+ * http://opensource.org/licenses/OSL-3.0
+ * If you did not receive a copy of the license and are unable to obtain it
+ * through the world wide web, please send an email to
+ * licensing@ellislab.com so we can send you a copy immediately.
+ *
+ * @package CodeIgniter
+ * @author EllisLab Dev Team
+ * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/)
+ * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0)
+ * @link http://codeigniter.com
+ * @since Version 3.0
+ * @filesource
+ */
+
+/**
+ * Interbase/Firebird Result Class
+ *
+ * This class extends the parent result class: CI_DB_result
+ *
+ * @category Database
+ * @author EllisLab Dev Team
+ * @link http://codeigniter.com/user_guide/database/
+ */
+class CI_DB_interbase_result extends CI_DB_result {
+
+ public $num_rows;
+
+ /**
+ * Number of rows in the result set
+ *
+ * @return int
+ */
+ public function num_rows()
+ {
+ if (is_int($this->num_rows))
+ {
+ return $this->num_rows;
+ }
+
+ // Get the results so that you can get an accurate rowcount
+ $this->result();
+
+ return $this->num_rows;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Number of fields in the result set
+ *
+ * @return int
+ */
+ public function num_fields()
+ {
+ return @ibase_num_fields($this->result_id);
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Fetch Field Names
+ *
+ * Generates an array of column names
+ *
+ * @return array
+ */
+ public function list_fields()
+ {
+ $field_names = array();
+ for ($i = 0, $num_fields = $this->num_fields(); $i < $num_fields; $i++)
+ {
+ $info = ibase_field_info($this->result_id, $i);
+ $field_names[] = $info['name'];
+ }
+
+ return $field_names;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Field data
+ *
+ * Generates an array of objects containing field meta-data
+ *
+ * @return array
+ */
+ public function field_data()
+ {
+ $retval = array();
+ for ($i = 0, $c = $this->num_fields(); $i < $c; $i++)
+ {
+ $info = ibase_field_info($this->result_id, $i);
+
+ $retval[$i] = new stdClass();
+ $retval[$i]->name = $info['name'];
+ $retval[$i]->type = $info['type'];
+ $retval[$i]->max_length = $info['length'];
+ $retval[$i]->primary_key = 0;
+ $retval[$i]->default = '';
+ }
+
+ return $retval;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Free the result
+ *
+ * @return void
+ */
+ public function free_result()
+ {
+ @ibase_free_result($this->result_id);
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Result - associative array
+ *
+ * Returns the result set as an array
+ *
+ * @return array
+ */
+ protected function _fetch_assoc()
+ {
+ if (($row = @ibase_fetch_assoc($this->result_id, IBASE_FETCH_BLOBS)) !== FALSE)
+ {
+ //Increment row count
+ $this->num_rows++;
+ }
+
+ return $row;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Result - object
+ *
+ * Returns the result set as an object
+ *
+ * @return object
+ */
+ protected function _fetch_object()
+ {
+ if (($row = @ibase_fetch_object($this->result_id, IBASE_FETCH_BLOBS)) !== FALSE)
+ {
+ //Increment row count
+ $this->num_rows++;
+ }
+
+ return $row;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Query result. "object" version.
+ *
+ * @return object
+ */
+ public function result_object()
+ {
+ if (count($this->result_object) === $this->num_rows)
+ {
+ return $this->result_object;
+ }
+
+ // Convert result array to object so that
+ // We don't have to get the result again
+ if (($c = count($this->result_array)) > 0)
+ {
+ for ($i = 0; $i < $c; $i++)
+ {
+ $this->result_object[$i] = (object) $this->result_array[$i];
+ }
+
+ return $this->result_object;
+ }
+
+ // In the event that query caching is on the result_id variable
+ // will return FALSE since there isn't a valid SQL resource so
+ // we'll simply return an empty array.
+ if ($this->result_id === FALSE)
+ {
+ return array();
+ }
+
+ $this->num_rows = 0;
+ while ($row = $this->_fetch_object())
+ {
+ $this->result_object[] = $row;
+ }
+
+ return $this->result_object;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Query result. "array" version.
+ *
+ * @return array
+ */
+ public function result_array()
+ {
+ if (count($this->result_array) === $this->num_rows)
+ {
+ return $this->result_array;
+ }
+
+ // Since the object and array are really similar, just case
+ // the result object to an array if need be
+ if (($c = count($this->result_object)) > 0)
+ {
+ for ($i = 0; $i < $c; $i++)
+ {
+ $this->result_array[$i] = (array) $this->result_object[$i];
+ }
+
+ return $this->result_array;
+ }
+
+ // In the event that query caching is on the result_id variable
+ // will return FALSE since there isn't a valid SQL resource so
+ // we'll simply return an empty array.
+ if ($this->result_id === FALSE)
+ {
+ return array();
+ }
+
+ $this->num_rows = 0;
+ while ($row = $this->_fetch_assoc())
+ {
+ $this->result_array[] = $row;
+ }
+
+ return $this->result_array;
+ }
+
+}
+
+/* End of file interbase_result.php */
+/* Location: ./system/database/drivers/interbase/interbase_result.php */ \ No newline at end of file
diff --git a/system/database/drivers/interbase/interbase_utility.php b/system/database/drivers/interbase/interbase_utility.php
new file mode 100644
index 000000000..1b92af9b6
--- /dev/null
+++ b/system/database/drivers/interbase/interbase_utility.php
@@ -0,0 +1,62 @@
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+/**
+ * CodeIgniter
+ *
+ * An open source application development framework for PHP 5.2.4 or newer
+ *
+ * NOTICE OF LICENSE
+ *
+ * Licensed under the Open Software License version 3.0
+ *
+ * This source file is subject to the Open Software License (OSL 3.0) that is
+ * bundled with this package in the files license.txt / license.rst. It is
+ * also available through the world wide web at this URL:
+ * http://opensource.org/licenses/OSL-3.0
+ * If you did not receive a copy of the license and are unable to obtain it
+ * through the world wide web, please send an email to
+ * licensing@ellislab.com so we can send you a copy immediately.
+ *
+ * @package CodeIgniter
+ * @author EllisLab Dev Team
+ * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/)
+ * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0)
+ * @link http://codeigniter.com
+ * @since Version 3.0
+ * @filesource
+ */
+
+/**
+ * Interbase/Firebird Utility Class
+ *
+ * @category Database
+ * @author EllisLab Dev Team
+ * @link http://codeigniter.com/user_guide/database/
+ */
+class CI_DB_interbase_utility extends CI_DB_utility {
+
+ protected $_list_databases = FALSE;
+
+ /**
+ * Interbase/Firebird Export
+ *
+ * @param string $filename
+ * @return mixed
+ */
+ protected function backup($filename)
+ {
+ if ($service = ibase_service_attach($this->db->hostname, $this->db->username, $this->db->password))
+ {
+ $res = ibase_backup($service, $this->db->database, $filename.'.fbk');
+
+ // Close the service connection
+ ibase_service_detach($service);
+ return $res;
+ }
+
+ return FALSE;
+ }
+
+}
+
+/* End of file interbase_utility.php */
+/* Location: ./system/database/drivers/interbase/interbase_utility.php */ \ No newline at end of file
diff --git a/system/database/drivers/mssql/mssql_driver.php b/system/database/drivers/mssql/mssql_driver.php
index 2a1098932..90609a84d 100644
--- a/system/database/drivers/mssql/mssql_driver.php
+++ b/system/database/drivers/mssql/mssql_driver.php
@@ -1,13 +1,13 @@
-<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
- * An open source application development framework for PHP 5.1.6 or newer
+ * An open source application development framework for PHP 5.2.4 or newer
*
* NOTICE OF LICENSE
- *
+ *
* Licensed under the Open Software License version 3.0
- *
+ *
* This source file is subject to the Open Software License (OSL 3.0) that is
* bundled with this package in the files license.txt / license.rst. It is
* also available through the world wide web at this URL:
@@ -25,8 +25,6 @@
* @filesource
*/
-// ------------------------------------------------------------------------
-
/**
* MS SQL Database Adapter Class
*
@@ -42,30 +40,29 @@
*/
class CI_DB_mssql_driver extends CI_DB {
- var $dbdriver = 'mssql';
+ public $dbdriver = 'mssql';
// The character used for escaping
- var $_escape_char = '';
+ protected $_escape_char = '';
// clause and character used for LIKE escape sequences
- var $_like_escape_str = " ESCAPE '%s' ";
- var $_like_escape_chr = '!';
+ protected $_like_escape_str = " ESCAPE '%s' ";
+ protected $_like_escape_chr = '!';
/**
* The syntax to count rows is slightly different across different
* database engines, so this string appears in each driver and is
- * used for the count_all() and count_all_results() functions.
+ * used for the count_all() and count_all_results() methods.
*/
- var $_count_string = "SELECT COUNT(*) AS ";
- var $_random_keyword = ' ASC'; // not currently supported
+ protected $_count_string = 'SELECT COUNT(*) AS ';
+ protected $_random_keyword = ' NEWID()';
/**
* Non-persistent database connection
*
- * @access private called by the base class
* @return resource
*/
- function db_connect()
+ public function db_connect()
{
if ($this->port != '')
{
@@ -80,10 +77,9 @@ class CI_DB_mssql_driver extends CI_DB {
/**
* Persistent database connection
*
- * @access private called by the base class
* @return resource
*/
- function db_pconnect()
+ public function db_pconnect()
{
if ($this->port != '')
{
@@ -96,48 +92,27 @@ class CI_DB_mssql_driver extends CI_DB {
// --------------------------------------------------------------------
/**
- * Reconnect
- *
- * Keep / reestablish the db connection if no queries have been
- * sent for a length of time exceeding the server's idle timeout
- *
- * @access public
- * @return void
- */
- function reconnect()
- {
- // not implemented in MSSQL
- }
-
- // --------------------------------------------------------------------
-
- /**
* Select the database
*
- * @access private called by the base class
- * @return resource
+ * @param string database name
+ * @return bool
*/
- function db_select()
+ public function db_select($database = '')
{
+ if ($database === '')
+ {
+ $database = $this->database;
+ }
+
// Note: The brackets are required in the event that the DB name
// contains reserved characters
- return @mssql_select_db('['.$this->database.']', $this->conn_id);
- }
-
- // --------------------------------------------------------------------
+ if (@mssql_select_db('['.$database.']', $this->conn_id))
+ {
+ $this->database = $database;
+ return TRUE;
+ }
- /**
- * Set client character set
- *
- * @access public
- * @param string
- * @param string
- * @return resource
- */
- function db_set_charset($charset, $collation)
- {
- // @todo - add support if needed
- return TRUE;
+ return FALSE;
}
// --------------------------------------------------------------------
@@ -145,41 +120,22 @@ class CI_DB_mssql_driver extends CI_DB {
/**
* Execute the query
*
- * @access private called by the base class
* @param string an SQL query
* @return resource
*/
- function _execute($sql)
+ protected function _execute($sql)
{
- $sql = $this->_prep_query($sql);
return @mssql_query($sql, $this->conn_id);
}
// --------------------------------------------------------------------
/**
- * Prep the query
- *
- * If needed, each database adapter can prep the query string
- *
- * @access private called by execute()
- * @param string an SQL query
- * @return string
- */
- function _prep_query($sql)
- {
- return $sql;
- }
-
- // --------------------------------------------------------------------
-
- /**
* Begin Transaction
*
- * @access public
* @return bool
*/
- function trans_begin($test_mode = FALSE)
+ public function trans_begin($test_mode = FALSE)
{
if ( ! $this->trans_enabled)
{
@@ -206,10 +162,9 @@ class CI_DB_mssql_driver extends CI_DB {
/**
* Commit Transaction
*
- * @access public
* @return bool
*/
- function trans_commit()
+ public function trans_commit()
{
if ( ! $this->trans_enabled)
{
@@ -231,10 +186,9 @@ class CI_DB_mssql_driver extends CI_DB {
/**
* Rollback Transaction
*
- * @access public
* @return bool
*/
- function trans_rollback()
+ public function trans_rollback()
{
if ( ! $this->trans_enabled)
{
@@ -256,12 +210,11 @@ class CI_DB_mssql_driver extends CI_DB {
/**
* Escape String
*
- * @access public
* @param string
* @param bool whether or not the string will be used in a LIKE condition
* @return string
*/
- function escape_str($str, $like = FALSE)
+ public function escape_str($str, $like = FALSE)
{
if (is_array($str))
{
@@ -294,10 +247,9 @@ class CI_DB_mssql_driver extends CI_DB {
/**
* Affected Rows
*
- * @access public
- * @return integer
+ * @return int
*/
- function affected_rows()
+ public function affected_rows()
{
return @mssql_rows_affected($this->conn_id);
}
@@ -305,14 +257,13 @@ class CI_DB_mssql_driver extends CI_DB {
// --------------------------------------------------------------------
/**
- * Insert ID
- *
- * Returns the last id created in the Identity column.
- *
- * @access public
- * @return integer
- */
- function insert_id()
+ * Insert ID
+ *
+ * Returns the last id created in the Identity column.
+ *
+ * @return string
+ */
+ public function insert_id()
{
$ver = self::_parse_major_version($this->version());
$sql = ($ver >= 8 ? "SELECT SCOPE_IDENTITY() AS last_id" : "SELECT @@IDENTITY AS last_id");
@@ -324,16 +275,15 @@ class CI_DB_mssql_driver extends CI_DB {
// --------------------------------------------------------------------
/**
- * Parse major version
- *
- * Grabs the major version number from the
- * database server version string passed in.
- *
- * @access private
- * @param string $version
- * @return int16 major version number
- */
- function _parse_major_version($version)
+ * Parse major version
+ *
+ * Grabs the major version number from the
+ * database server version string passed in.
+ *
+ * @param string $version
+ * @return int major version number
+ */
+ protected function _parse_major_version($version)
{
preg_match('/([0-9]+)\.([0-9]+)\.([0-9]+)/', $version, $ver_info);
return $ver_info[1]; // return the major version b/c that's all we're interested in.
@@ -342,14 +292,13 @@ class CI_DB_mssql_driver extends CI_DB {
// --------------------------------------------------------------------
/**
- * Version number query string
- *
- * @access public
- * @return string
- */
- function _version()
+ * Version number query string
+ *
+ * @return string
+ */
+ protected function _version()
{
- return "SELECT @@VERSION AS ver";
+ return 'SELECT @@VERSION AS ver';
}
// --------------------------------------------------------------------
@@ -360,19 +309,17 @@ class CI_DB_mssql_driver extends CI_DB {
* Generates a platform-specific query string that counts all records in
* the specified database
*
- * @access public
* @param string
* @return string
*/
- function count_all($table = '')
+ public function count_all($table = '')
{
if ($table == '')
{
return 0;
}
- $query = $this->query($this->_count_string . $this->_protect_identifiers('numrows') . " FROM " . $this->_protect_identifiers($table, TRUE, NULL, FALSE));
-
+ $query = $this->query($this->_count_string.$this->protect_identifiers('numrows').' FROM '.$this->protect_identifiers($table, TRUE, NULL, FALSE));
if ($query->num_rows() == 0)
{
return 0;
@@ -390,11 +337,10 @@ class CI_DB_mssql_driver extends CI_DB {
*
* Generates a platform-specific query string so that the table names can be fetched
*
- * @access private
- * @param boolean
+ * @param bool
* @return string
*/
- function _list_tables($prefix_limit = FALSE)
+ protected function _list_tables($prefix_limit = FALSE)
{
$sql = "SELECT name FROM sysobjects WHERE type = 'U' ORDER BY name";
@@ -415,11 +361,10 @@ class CI_DB_mssql_driver extends CI_DB {
*
* Generates a platform-specific query string so that the column names can be fetched
*
- * @access private
* @param string the table name
* @return string
*/
- function _list_columns($table = '')
+ protected function _list_columns($table = '')
{
return "SELECT * FROM INFORMATION_SCHEMA.Columns WHERE TABLE_NAME = '".$table."'";
}
@@ -431,82 +376,29 @@ class CI_DB_mssql_driver extends CI_DB {
*
* Generates a platform-specific query so that the column data can be retrieved
*
- * @access public
* @param string the table name
- * @return object
- */
- function _field_data($table)
- {
- return "SELECT TOP 1 * FROM ".$table;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * The error message string
- *
- * @access private
* @return string
*/
- function _error_message()
+ protected function _field_data($table)
{
- return mssql_get_last_message();
- }
-
- // --------------------------------------------------------------------
-
- /**
- * The error message number
- *
- * @access private
- * @return integer
- */
- function _error_number()
- {
- // Are error numbers supported?
- return '';
+ return "SELECT TOP 1 * FROM ".$table;
}
// --------------------------------------------------------------------
/**
- * Escape the SQL Identifiers
+ * Error
*
- * This function escapes column and table names
+ * Returns an array containing code and message of the last
+ * database error that has occured.
*
- * @access private
- * @param string
- * @return string
+ * @return array
*/
- function _escape_identifiers($item)
+ public function error()
{
- if ($this->_escape_char == '')
- {
- return $item;
- }
-
- foreach ($this->_reserved_identifiers as $id)
- {
- if (strpos($item, '.'.$id) !== FALSE)
- {
- $str = $this->_escape_char. str_replace('.', $this->_escape_char.'.', $item);
-
- // remove duplicates if the user already included the escape
- return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $str);
- }
- }
-
- if (strpos($item, '.') !== FALSE)
- {
- $str = $this->_escape_char.str_replace('.', $this->_escape_char.'.'.$this->_escape_char, $item).$this->_escape_char;
- }
- else
- {
- $str = $this->_escape_char.$item.$this->_escape_char;
- }
-
- // remove duplicates if the user already included the escape
- return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $str);
+ $query = $this->query('SELECT @@ERROR AS code');
+ $query = $query->row();
+ return array('code' => $query->code, 'message' => mssql_get_last_message());
}
// --------------------------------------------------------------------
@@ -517,11 +409,10 @@ class CI_DB_mssql_driver extends CI_DB {
* This function implicitly groups FROM tables so there is no confusion
* about operator precedence in harmony with SQL standards
*
- * @access public
- * @param type
- * @return type
+ * @param array
+ * @return string
*/
- function _from_tables($tables)
+ protected function _from_tables($tables)
{
if ( ! is_array($tables))
{
@@ -534,73 +425,51 @@ class CI_DB_mssql_driver extends CI_DB {
// --------------------------------------------------------------------
/**
- * Insert statement
- *
- * Generates a platform-specific insert string from the supplied data
- *
- * @access public
- * @param string the table name
- * @param array the insert keys
- * @param array the insert values
- * @return string
- */
- function _insert($table, $keys, $values)
- {
- return "INSERT INTO ".$table." (".implode(', ', $keys).") VALUES (".implode(', ', $values).")";
- }
-
- // --------------------------------------------------------------------
-
- /**
* Update statement
*
* Generates a platform-specific update string from the supplied data
*
- * @access public
* @param string the table name
* @param array the update data
* @param array the where clause
- * @param array the orderby clause
- * @param array the limit clause
+ * @param array the orderby clause (ignored)
+ * @param array the limit clause (ignored)
+ * @param array the like clause
* @return string
*/
- function _update($table, $values, $where, $orderby = array(), $limit = FALSE)
+ protected function _update($table, $values, $where, $orderby = array(), $limit = FALSE, $like = array())
{
- foreach ($values as $key => $val)
+ foreach($values as $key => $val)
{
- $valstr[] = $key." = ".$val;
+ $valstr[] = $key.' = '.$val;
}
- $limit = ( ! $limit) ? '' : ' LIMIT '.$limit;
-
- $orderby = (count($orderby) >= 1)?' ORDER BY '.implode(", ", $orderby):'';
+ $where = empty($where) ? '' : ' WHERE '.implode(' ', $where);
- $sql = "UPDATE ".$table." SET ".implode(', ', $valstr);
-
- $sql .= ($where != '' AND count($where) >=1) ? " WHERE ".implode(" ", $where) : '';
-
- $sql .= $orderby.$limit;
+ if ( ! empty($like))
+ {
+ $where .= ($where === '' ? ' WHERE ' : ' AND ').implode(' ', $like);
+ }
- return $sql;
+ return 'UPDATE '.$table.' SET '.implode(', ', $valstr).' WHERE '.$where;
}
-
// --------------------------------------------------------------------
/**
* Truncate statement
*
* Generates a platform-specific truncate string from the supplied data
- * If the database does not support the truncate() command
- * This function maps to "DELETE FROM table"
*
- * @access public
+ * If the database does not support the truncate() command,
+ * then this method maps to 'DELETE FROM table'
+ *
* @param string the table name
* @return string
*/
- function _truncate($table)
+ protected function _truncate($table)
{
- return "TRUNCATE ".$table;
+ return 'TRUNCATE TABLE '.$table;
}
// --------------------------------------------------------------------
@@ -610,31 +479,24 @@ class CI_DB_mssql_driver extends CI_DB {
*
* Generates a platform-specific delete string from the supplied data
*
- * @access public
* @param string the table name
* @param array the where clause
+ * @param array the like clause
* @param string the limit clause
* @return string
*/
- function _delete($table, $where = array(), $like = array(), $limit = FALSE)
+ protected function _delete($table, $where = array(), $like = array(), $limit = FALSE)
{
- $conditions = '';
+ $conditions = array();
- if (count($where) > 0 OR count($like) > 0)
- {
- $conditions = "\nWHERE ";
- $conditions .= implode("\n", $this->ar_where);
+ empty($where) OR $conditions[] = implode(' ', $where);
+ empty($like) OR $conditions[] = implode(' ', $like);
- if (count($where) > 0 && count($like) > 0)
- {
- $conditions .= " AND ";
- }
- $conditions .= implode("\n", $like);
- }
+ $conditions = (count($conditions) > 0) ? ' WHERE '.implode(' AND ', $conditions) : '';
- $limit = ( ! $limit) ? '' : ' LIMIT '.$limit;
-
- return "DELETE FROM ".$table.$conditions.$limit;
+ return ($limit)
+ ? 'WITH ci_delete AS (SELECT TOP '.$limit.' * FROM '.$table.$conditions.') DELETE FROM ci_delete'
+ : 'DELETE FROM '.$table.$conditions;
}
// --------------------------------------------------------------------
@@ -644,13 +506,12 @@ class CI_DB_mssql_driver extends CI_DB {
*
* Generates a platform-specific LIMIT clause
*
- * @access public
* @param string the sql query string
- * @param integer the number of rows to limit the query to
- * @param integer the offset value
+ * @param int the number of rows to limit the query to
+ * @param int the offset value
* @return string
*/
- function _limit($sql, $limit, $offset)
+ protected function _limit($sql, $limit, $offset)
{
$i = $limit + $offset;
@@ -662,18 +523,15 @@ class CI_DB_mssql_driver extends CI_DB {
/**
* Close DB Connection
*
- * @access public
* @param resource
* @return void
*/
- function _close($conn_id)
+ protected function _close($conn_id)
{
@mssql_close($conn_id);
}
}
-
-
/* End of file mssql_driver.php */
/* Location: ./system/database/drivers/mssql/mssql_driver.php */ \ No newline at end of file
diff --git a/system/database/drivers/mssql/mssql_forge.php b/system/database/drivers/mssql/mssql_forge.php
index dd8aa3448..8f8e7c5b9 100644
--- a/system/database/drivers/mssql/mssql_forge.php
+++ b/system/database/drivers/mssql/mssql_forge.php
@@ -1,13 +1,13 @@
-<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
- * An open source application development framework for PHP 5.1.6 or newer
+ * An open source application development framework for PHP 5.2.4 or newer
*
* NOTICE OF LICENSE
- *
+ *
* Licensed under the Open Software License version 3.0
- *
+ *
* This source file is subject to the Open Software License (OSL 3.0) that is
* bundled with this package in the files license.txt / license.rst. It is
* also available through the world wide web at this URL:
@@ -25,8 +25,6 @@
* @filesource
*/
-// ------------------------------------------------------------------------
-
/**
* MS SQL Forge Class
*
@@ -36,59 +34,19 @@
*/
class CI_DB_mssql_forge extends CI_DB_forge {
- /**
- * Create database
- *
- * @access private
- * @param string the database name
- * @return bool
- */
- function _create_database($name)
- {
- return "CREATE DATABASE ".$name;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Drop database
- *
- * @access private
- * @param string the database name
- * @return bool
- */
- function _drop_database($name)
- {
- return "DROP DATABASE ".$name;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Drop Table
- *
- * @access private
- * @return bool
- */
- function _drop_table($table)
- {
- return "DROP TABLE ".$this->db->_escape_identifiers($table);
- }
-
- // --------------------------------------------------------------------
+ protected $_drop_table = 'DROP TABLE %s';
/**
* Create Table
*
- * @access private
* @param string the table name
* @param array the fields
* @param mixed primary key(s)
* @param mixed key(s)
- * @param boolean should 'IF NOT EXISTS' be added to the SQL
- * @return bool
+ * @param bool should 'IF NOT EXISTS' be added to the SQL
+ * @return string
*/
- function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists)
+ protected function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists)
{
$sql = 'CREATE TABLE ';
@@ -97,10 +55,10 @@ class CI_DB_mssql_forge extends CI_DB_forge {
$sql .= 'IF NOT EXISTS ';
}
- $sql .= $this->db->_escape_identifiers($table)." (";
+ $sql .= $this->db->escape_identifiers($table).' (';
$current_field_count = 0;
- foreach ($fields as $field=>$attributes)
+ foreach ($fields as $field => $attributes)
{
// Numeric field names aren't allowed in databases, so if the key is
// numeric, we know it was assigned by PHP and the developer manually
@@ -113,7 +71,7 @@ class CI_DB_mssql_forge extends CI_DB_forge {
{
$attributes = array_change_key_case($attributes, CASE_UPPER);
- $sql .= "\n\t".$this->db->_protect_identifiers($field);
+ $sql .= "\n\t".$this->db->protect_identifiers($field);
$sql .= ' '.$attributes['TYPE'];
@@ -156,7 +114,7 @@ class CI_DB_mssql_forge extends CI_DB_forge {
if (count($primary_keys) > 0)
{
- $primary_keys = $this->db->_protect_identifiers($primary_keys);
+ $primary_keys = $this->db->protect_identifiers($primary_keys);
$sql .= ",\n\tPRIMARY KEY (" . implode(', ', $primary_keys) . ")";
}
@@ -166,11 +124,11 @@ class CI_DB_mssql_forge extends CI_DB_forge {
{
if (is_array($key))
{
- $key = $this->db->_protect_identifiers($key);
+ $key = $this->db->protect_identifiers($key);
}
else
{
- $key = array($this->db->_protect_identifiers($key));
+ $key = array($this->db->protect_identifiers($key));
}
$sql .= ",\n\tFOREIGN KEY (" . implode(', ', $key) . ")";
@@ -190,19 +148,18 @@ class CI_DB_mssql_forge extends CI_DB_forge {
* Generates a platform-specific query so that a table can be altered
* Called by add_column(), drop_column(), and column_alter(),
*
- * @access private
* @param string the ALTER type (ADD, DROP, CHANGE)
* @param string the column name
* @param string the table name
* @param string the column definition
* @param string the default value
- * @param boolean should 'NOT NULL' be added
+ * @param bool should 'NOT NULL' be added
* @param string the field after which we should add the new field
- * @return object
+ * @return string
*/
- function _alter_table($alter_type, $table, $column_name, $column_definition = '', $default_value = '', $null = '', $after_field = '')
+ protected function _alter_table($alter_type, $table, $column_name, $column_definition = '', $default_value = '', $null = '', $after_field = '')
{
- $sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table)." $alter_type ".$this->db->_protect_identifiers($column_name);
+ $sql = 'ALTER TABLE '.$this->db->protect_identifiers($table).' '.$alter_type.' '.$this->db->protect_identifiers($column_name);
// DROP has everything it needs now.
if ($alter_type == 'DROP')
@@ -228,32 +185,13 @@ class CI_DB_mssql_forge extends CI_DB_forge {
if ($after_field != '')
{
- $sql .= ' AFTER ' . $this->db->_protect_identifiers($after_field);
+ return $sql.' AFTER '.$this->db->protect_identifiers($after_field);
}
return $sql;
}
- // --------------------------------------------------------------------
-
- /**
- * Rename a table
- *
- * Generates a platform-specific query so that a table can be renamed
- *
- * @access private
- * @param string the old table name
- * @param string the new table name
- * @return string
- */
- function _rename_table($table_name, $new_table_name)
- {
- // I think this syntax will work, but can find little documentation on renaming tables in MSSQL
- $sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table_name)." RENAME TO ".$this->db->_protect_identifiers($new_table_name);
- return $sql;
- }
-
}
/* End of file mssql_forge.php */
diff --git a/system/database/drivers/mssql/mssql_result.php b/system/database/drivers/mssql/mssql_result.php
index bba2e6243..4cc87f4cf 100644
--- a/system/database/drivers/mssql/mssql_result.php
+++ b/system/database/drivers/mssql/mssql_result.php
@@ -1,13 +1,13 @@
-<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
- * An open source application development framework for PHP 5.1.6 or newer
+ * An open source application development framework for PHP 5.2.4 or newer
*
* NOTICE OF LICENSE
- *
+ *
* Licensed under the Open Software License version 3.0
- *
+ *
* This source file is subject to the Open Software License (OSL 3.0) that is
* bundled with this package in the files license.txt / license.rst. It is
* also available through the world wide web at this URL:
@@ -25,8 +25,6 @@
* @filesource
*/
-// ------------------------------------------------------------------------
-
/**
* MS SQL Result Class
*
@@ -41,10 +39,9 @@ class CI_DB_mssql_result extends CI_DB_result {
/**
* Number of rows in the result set
*
- * @access public
- * @return integer
+ * @return int
*/
- function num_rows()
+ public function num_rows()
{
return @mssql_num_rows($this->result_id);
}
@@ -54,10 +51,9 @@ class CI_DB_mssql_result extends CI_DB_result {
/**
* Number of fields in the result set
*
- * @access public
- * @return integer
+ * @return int
*/
- function num_fields()
+ public function num_fields()
{
return @mssql_num_fields($this->result_id);
}
@@ -69,10 +65,9 @@ class CI_DB_mssql_result extends CI_DB_result {
*
* Generates an array of column names
*
- * @access public
* @return array
*/
- function list_fields()
+ public function list_fields()
{
$field_names = array();
while ($field = mssql_fetch_field($this->result_id))
@@ -90,10 +85,9 @@ class CI_DB_mssql_result extends CI_DB_result {
*
* Generates an array of objects containing field meta-data
*
- * @access public
* @return array
*/
- function field_data()
+ public function field_data()
{
$retval = array();
while ($field = mssql_fetch_field($this->result_id))
@@ -116,9 +110,9 @@ class CI_DB_mssql_result extends CI_DB_result {
/**
* Free the result
*
- * @return null
+ * @return void
*/
- function free_result()
+ public function free_result()
{
if (is_resource($this->result_id))
{
@@ -132,14 +126,13 @@ class CI_DB_mssql_result extends CI_DB_result {
/**
* Data Seek
*
- * Moves the internal pointer to the desired offset. We call
+ * Moves the internal pointer to the desired offset. We call
* this internally before fetching results to make sure the
* result set starts at zero
*
- * @access private
- * @return array
+ * @return bool
*/
- function _data_seek($n = 0)
+ protected function _data_seek($n = 0)
{
return mssql_data_seek($this->result_id, $n);
}
@@ -151,10 +144,9 @@ class CI_DB_mssql_result extends CI_DB_result {
*
* Returns the result set as an array
*
- * @access private
* @return array
*/
- function _fetch_assoc()
+ protected function _fetch_assoc()
{
return mssql_fetch_assoc($this->result_id);
}
@@ -166,16 +158,14 @@ class CI_DB_mssql_result extends CI_DB_result {
*
* Returns the result set as an object
*
- * @access private
* @return object
*/
- function _fetch_object()
+ protected function _fetch_object()
{
return mssql_fetch_object($this->result_id);
}
}
-
/* End of file mssql_result.php */
/* Location: ./system/database/drivers/mssql/mssql_result.php */ \ No newline at end of file
diff --git a/system/database/drivers/mssql/mssql_utility.php b/system/database/drivers/mssql/mssql_utility.php
index be6ed5bb0..6d47618ce 100644
--- a/system/database/drivers/mssql/mssql_utility.php
+++ b/system/database/drivers/mssql/mssql_utility.php
@@ -1,13 +1,13 @@
-<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
- * An open source application development framework for PHP 5.1.6 or newer
+ * An open source application development framework for PHP 5.2.4 or newer
*
* NOTICE OF LICENSE
- *
+ *
* Licensed under the Open Software License version 3.0
- *
+ *
* This source file is subject to the Open Software License (OSL 3.0) that is
* bundled with this package in the files license.txt / license.rst. It is
* also available through the world wide web at this URL:
@@ -25,8 +25,6 @@
* @filesource
*/
-// ------------------------------------------------------------------------
-
/**
* MS SQL Utility Class
*
@@ -36,59 +34,16 @@
*/
class CI_DB_mssql_utility extends CI_DB_utility {
- /**
- * List databases
- *
- * @access private
- * @return bool
- */
- function _list_databases()
- {
- return "EXEC sp_helpdb"; // Can also be: EXEC sp_databases
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Optimize table query
- *
- * Generates a platform-specific query so that a table can be optimized
- *
- * @access private
- * @param string the table name
- * @return object
- */
- function _optimize_table($table)
- {
- return FALSE; // Is this supported in MS SQL?
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Repair table query
- *
- * Generates a platform-specific query so that a table can be repaired
- *
- * @access private
- * @param string the table name
- * @return object
- */
- function _repair_table($table)
- {
- return FALSE; // Is this supported in MS SQL?
- }
-
- // --------------------------------------------------------------------
+ protected $_list_databases = 'EXEC sp_helpdb'; // Can also be: EXEC sp_databases
+ protected $_optimize_table = 'ALTER INDEX all ON %s REORGANIZE';
/**
* MSSQL Export
*
- * @access private
* @param array Preferences
* @return mixed
*/
- function _backup($params = array())
+ protected function _backup($params = array())
{
// Currently unsupported
return $this->db->display_error('db_unsuported_feature');
diff --git a/system/database/drivers/mysql/mysql_driver.php b/system/database/drivers/mysql/mysql_driver.php
index 067710ff0..c2fccc1f7 100644
--- a/system/database/drivers/mysql/mysql_driver.php
+++ b/system/database/drivers/mysql/mysql_driver.php
@@ -2,7 +2,7 @@
/**
* CodeIgniter
*
- * An open source application development framework for PHP 5.1.6 or newer
+ * An open source application development framework for PHP 5.2.4 or newer
*
* NOTICE OF LICENSE
*
@@ -119,11 +119,23 @@ class CI_DB_mysql_driver extends CI_DB {
/**
* Select the database
*
+ * @param string database name
* @return bool
*/
- public function db_select()
+ public function db_select($database = '')
{
- return @mysql_select_db($this->database, $this->conn_id);
+ if ($database === '')
+ {
+ $database = $this->database;
+ }
+
+ if (@mysql_select_db($database, $this->conn_id))
+ {
+ $this->database = $database;
+ return TRUE;
+ }
+
+ return FALSE;
}
// --------------------------------------------------------------------
@@ -132,26 +144,25 @@ class CI_DB_mysql_driver extends CI_DB {
* Set client character set
*
* @param string
- * @param string
* @return bool
*/
- public function db_set_charset($charset, $collation)
+ protected function _db_set_charset($charset)
{
- return function_exists('mysql_set_charset')
- ? @mysql_set_charset($charset, $this->conn_id)
- : @mysql_query("SET NAMES '".$this->escape_str($charset)."' COLLATE '".$this->escape_str($collation)."'", $this->conn_id);
+ return @mysql_set_charset($charset, $this->conn_id);
}
// --------------------------------------------------------------------
/**
- * Version number query string
+ * Database version number
*
* @return string
*/
- protected function _version()
+ public function version()
{
- return 'SELECT version() AS ver';
+ return isset($this->data_cache['version'])
+ ? $this->data_cache['version']
+ : $this->data_cache['version'] = @mysql_get_server_info($this->conn_id);
}
// --------------------------------------------------------------------
@@ -275,18 +286,7 @@ class CI_DB_mysql_driver extends CI_DB {
return $str;
}
- if (function_exists('mysql_real_escape_string') && is_resource($this->conn_id))
- {
- $str = mysql_real_escape_string($str, $this->conn_id);
- }
- elseif (function_exists('mysql_escape_string'))
- {
- $str = mysql_escape_string($str);
- }
- else
- {
- $str = addslashes($str);
- }
+ $str = is_resource($this->conn_id) ? mysql_real_escape_string($str, $this->conn_id) : addslashes($str);
// escape LIKE condition wildcards
if ($like === TRUE)
@@ -390,77 +390,50 @@ class CI_DB_mysql_driver extends CI_DB {
// --------------------------------------------------------------------
/**
- * Field data query
- *
- * Generates a platform-specific query so that the column data can be retrieved
+ * Returns an object with field data
*
* @param string the table name
- * @return string
+ * @return object
*/
- public function _field_data($table)
+ public function field_data($table = '')
{
- return 'DESCRIBE '.$table;
- }
+ if ($table == '')
+ {
+ return ($this->db_debug) ? $this->display_error('db_field_param_missing') : FALSE;
+ }
- // --------------------------------------------------------------------
+ $query = $this->query('DESCRIBE '.$this->protect_identifiers($table, TRUE, NULL, FALSE));
+ $query = $query->result_object();
- /**
- * The error message string
- *
- * @return string
- */
- protected function _error_message()
- {
- return mysql_error($this->conn_id);
- }
-
- // --------------------------------------------------------------------
+ $retval = array();
+ for ($i = 0, $c = count($query); $i < $c; $i++)
+ {
+ preg_match('/([a-z]+)(\(\d+\))?/', $query[$i]->Type, $matches);
+
+ $retval[$i] = new stdClass();
+ $retval[$i]->name = $query[$i]->Field;
+ $retval[$i]->type = empty($matches[1]) ? NULL : $matches[1];
+ $retval[$i]->default = $query[$i]->Default;
+ $retval[$i]->max_length = empty($matches[2]) ? NULL : preg_replace('/[^\d]/', '', $matches[2]);
+ $retval[$i]->primary_key = (int) ($query[$i]->Key === 'PRI');
+ }
- /**
- * The error message number
- *
- * @return int
- */
- protected function _error_number()
- {
- return mysql_errno($this->conn_id);
+ return $retval;
}
// --------------------------------------------------------------------
/**
- * Escape the SQL Identifiers
+ * Error
*
- * This function escapes column and table names
+ * Returns an array containing code and message of the last
+ * database error that has occured.
*
- * @param string
- * @return string
+ * @return array
*/
- public function _escape_identifiers($item)
+ public function error()
{
- if ($this->_escape_char == '')
- {
- return $item;
- }
-
- foreach ($this->_reserved_identifiers as $id)
- {
- if (strpos($item, '.'.$id) !== FALSE)
- {
- $item = str_replace('.', $this->_escape_char.'.', $item);
-
- // remove duplicates if the user already included the escape
- return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $this->_escape_char.$item);
- }
- }
-
- if (strpos($item, '.') !== FALSE)
- {
- $item = str_replace('.', $this->_escape_char.'.'.$this->_escape_char, $item);
- }
-
- // remove duplicates if the user already included the escape
- return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $this->_escape_char.$item.$this->_escape_char);
+ return array('code' => mysql_errno($this->conn_id), 'message' => mysql_error($this->conn_id));
}
// --------------------------------------------------------------------
@@ -487,92 +460,6 @@ class CI_DB_mysql_driver extends CI_DB {
// --------------------------------------------------------------------
/**
- * Insert statement
- *
- * Generates a platform-specific insert string from the supplied data
- *
- * @param string the table name
- * @param array the insert keys
- * @param array the insert values
- * @return string
- */
- protected function _insert($table, $keys, $values)
- {
- return 'INSERT INTO '.$table.' ('.implode(', ', $keys).') VALUES ('.implode(', ', $values).')';
- }
-
- // --------------------------------------------------------------------
-
-
- /**
- * Replace statement
- *
- * Generates a platform-specific replace string from the supplied data
- *
- * @param string the table name
- * @param array the insert keys
- * @param array the insert values
- * @return string
- */
- protected function _replace($table, $keys, $values)
- {
- return 'REPLACE INTO '.$table.' ('.implode(', ', $keys).') VALUES ('.implode(', ', $values).')';
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Insert_batch statement
- *
- * Generates a platform-specific insert string from the supplied data
- *
- * @param string the table name
- * @param array the insert keys
- * @param array the insert values
- * @return string
- */
- protected function _insert_batch($table, $keys, $values)
- {
- return 'INSERT INTO '.$table.' ('.implode(', ', $keys).') VALUES '.implode(', ', $values);
- }
-
- // --------------------------------------------------------------------
-
-
- /**
- * Update statement
- *
- * Generates a platform-specific update string from the supplied data
- *
- * @param string the table name
- * @param array the update data
- * @param array the where clause
- * @param array the orderby clause
- * @param array the limit clause
- * @return string
- */
- protected function _update($table, $values, $where, $orderby = array(), $limit = FALSE, $like = array())
- {
- foreach ($values as $key => $val)
- {
- $valstr[] = $key.' = '.$val;
- }
-
- $where = ($where != '' && count($where) > 0) ? ' WHERE '.implode(' ', $where) : '';
- if (count($like) > 0)
- {
- $where .= ($where == '' ? ' WHERE ' : ' AND ').implode(' ', $like);
- }
-
- return 'UPDATE '.$table.' SET '.implode(', ', $valstr).$where
- .(count($orderby) > 0 ? ' ORDER BY '.implode(', ', $orderby) : '')
- .( ! $limit ? '' : ' LIMIT '.$limit);
- }
-
- // --------------------------------------------------------------------
-
-
- /**
* Update_Batch statement
*
* Generates a platform-specific batch update string from the supplied data
@@ -614,53 +501,6 @@ class CI_DB_mysql_driver extends CI_DB {
// --------------------------------------------------------------------
/**
- * Truncate statement
- *
- * Generates a platform-specific truncate string from the supplied data
- * If the database does not support the truncate() command
- * This function maps to "DELETE FROM table"
- *
- * @param string the table name
- * @return string
- */
- protected function _truncate($table)
- {
- return 'TRUNCATE '.$table;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Delete statement
- *
- * Generates a platform-specific delete string from the supplied data
- *
- * @param string the table name
- * @param array the where clause
- * @param string the limit clause
- * @return string
- */
- protected function _delete($table, $where = array(), $like = array(), $limit = FALSE)
- {
- $conditions = '';
-
- if (count($where) > 0 OR count($like) > 0)
- {
- $conditions = "\nWHERE ".implode("\n", $this->ar_where);
-
- if (count($where) > 0 && count($like) > 0)
- {
- $conditions .= ' AND ';
- }
- $conditions .= implode("\n", $like);
- }
-
- return 'DELETE FROM '.$table.$conditions.( ! $limit ? '' : ' LIMIT '.$limit);
- }
-
- // --------------------------------------------------------------------
-
- /**
* Limit string
*
* Generates a platform-specific LIMIT clause
@@ -691,4 +531,4 @@ class CI_DB_mysql_driver extends CI_DB {
}
/* End of file mysql_driver.php */
-/* Location: ./system/database/drivers/mysql/mysql_driver.php */
+/* Location: ./system/database/drivers/mysql/mysql_driver.php */ \ No newline at end of file
diff --git a/system/database/drivers/mysql/mysql_forge.php b/system/database/drivers/mysql/mysql_forge.php
index d3107134e..0e39affa7 100644
--- a/system/database/drivers/mysql/mysql_forge.php
+++ b/system/database/drivers/mysql/mysql_forge.php
@@ -2,7 +2,7 @@
/**
* CodeIgniter
*
- * An open source application development framework for PHP 5.1.6 or newer
+ * An open source application development framework for PHP 5.2.4 or newer
*
* NOTICE OF LICENSE
*
@@ -34,31 +34,7 @@
*/
class CI_DB_mysql_forge extends CI_DB_forge {
- /**
- * Create database
- *
- * @param string the database name
- * @return string
- */
- public function _create_database($name)
- {
- return 'CREATE DATABASE '.$name;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Drop database
- *
- * @param string the database name
- * @return string
- */
- public function _drop_database($name)
- {
- return 'DROP DATABASE '.$name;
- }
-
- // --------------------------------------------------------------------
+ protected $_create_database = 'CREATE DATABASE %s CHARACTER SET %s COLLATE %s';
/**
* Process Fields
@@ -66,7 +42,7 @@ class CI_DB_mysql_forge extends CI_DB_forge {
* @param mixed the fields
* @return string
*/
- private function _process_fields($fields)
+ protected function _process_fields($fields)
{
$current_field_count = 0;
$sql = '';
@@ -138,7 +114,7 @@ class CI_DB_mysql_forge extends CI_DB_forge {
* @param bool should 'IF NOT EXISTS' be added to the SQL
* @return bool
*/
- public function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists)
+ protected function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists)
{
$sql = 'CREATE TABLE ';
@@ -147,11 +123,11 @@ class CI_DB_mysql_forge extends CI_DB_forge {
$sql .= 'IF NOT EXISTS ';
}
- $sql .= $this->db->_escape_identifiers($table).' ('.$this->_process_fields($fields);
+ $sql .= $this->db->protect_identifiers($table).' ('.$this->_process_fields($fields);
if (count($primary_keys) > 0)
{
- $key_name = $this->db->_protect_identifiers(implode('_', $primary_keys));
+ $key_name = $this->db->protect_identifiers(implode('_', $primary_keys));
$sql .= ",\n\tPRIMARY KEY ".$key_name.' ('.implode(', ', $this->db->protect_identifiers($primary_keys)).')';
}
@@ -161,12 +137,12 @@ class CI_DB_mysql_forge extends CI_DB_forge {
{
if (is_array($key))
{
- $key_name = $this->db->_protect_identifiers(implode('_', $key));
- $key = $this->db->_protect_identifiers($key);
+ $key_name = $this->db->protect_identifiers(implode('_', $key));
+ $key = $this->db->protect_identifiers($key);
}
else
{
- $key_name = $this->db->_protect_identifiers($key);
+ $key_name = $this->db->protect_identifiers($key);
$key = array($key_name);
}
@@ -180,19 +156,6 @@ class CI_DB_mysql_forge extends CI_DB_forge {
// --------------------------------------------------------------------
/**
- * Drop Table
- *
- * @param string table name
- * @return string
- */
- public function _drop_table($table)
- {
- return 'DROP TABLE IF EXISTS '.$this->db->_escape_identifiers($table);
- }
-
- // --------------------------------------------------------------------
-
- /**
* Alter table query
*
* Generates a platform-specific query so that a table can be altered
@@ -204,7 +167,7 @@ class CI_DB_mysql_forge extends CI_DB_forge {
* @param string the field after which we should add the new field
* @return string
*/
- public function _alter_table($alter_type, $table, $fields, $after_field = '')
+ protected function _alter_table($alter_type, $table, $fields, $after_field = '')
{
$sql = 'ALTER TABLE '.$this->db->protect_identifiers($table).' '.$alter_type.' ';
@@ -218,23 +181,7 @@ class CI_DB_mysql_forge extends CI_DB_forge {
.($after_field != '' ? ' AFTER '.$this->db->protect_identifiers($after_field) : '');
}
- // --------------------------------------------------------------------
-
- /**
- * Rename a table
- *
- * Generates a platform-specific query so that a table can be renamed
- *
- * @param string the old table name
- * @param string the new table name
- * @return string
- */
- public function _rename_table($table_name, $new_table_name)
- {
- return 'ALTER TABLE '.$this->db->protect_identifiers($table_name).' RENAME TO '.$this->db->protect_identifiers($new_table_name);
- }
-
}
/* End of file mysql_forge.php */
-/* Location: ./system/database/drivers/mysql/mysql_forge.php */
+/* Location: ./system/database/drivers/mysql/mysql_forge.php */ \ No newline at end of file
diff --git a/system/database/drivers/mysql/mysql_result.php b/system/database/drivers/mysql/mysql_result.php
index 8f04a936d..14d6d072a 100644
--- a/system/database/drivers/mysql/mysql_result.php
+++ b/system/database/drivers/mysql/mysql_result.php
@@ -2,7 +2,7 @@
/**
* CodeIgniter
*
- * An open source application development framework for PHP 5.1.6 or newer
+ * An open source application development framework for PHP 5.2.4 or newer
*
* NOTICE OF LICENSE
*
@@ -90,18 +90,14 @@ class CI_DB_mysql_result extends CI_DB_result {
public function field_data()
{
$retval = array();
- while ($field = mysql_fetch_object($this->result_id))
+ for ($i = 0, $c = $this->num_fields(); $i < $c; $i++)
{
- preg_match('/([a-zA-Z]+)(\(\d+\))?/', $field->Type, $matches);
-
- $F = new stdClass();
- $F->name = $field->Field;
- $F->type = ( ! empty($matches[1])) ? $matches[1] : NULL;
- $F->default = $field->Default;
- $F->max_length = ( ! empty($matches[2])) ? preg_replace('/[^\d]/', '', $matches[2]) : NULL;
- $F->primary_key = (int) ($field->Key === 'PRI');
-
- $retval[] = $F;
+ $retval[$i] = new stdClass();
+ $retval[$i]->name = mysql_field_name($this->result_id, $i);
+ $retval[$i]->type = mysql_field_type($this->result_id, $i);
+ $retval[$i]->max_length = mysql_field_len($this->result_id, $i);
+ $retval[$i]->primary_key = (strpos(mysql_field_flags($this->result_id, $i), 'primary_key') === FALSE) ? 0 : 1;
+ $retval[$i]->default = '';
}
return $retval;
@@ -132,7 +128,7 @@ class CI_DB_mysql_result extends CI_DB_result {
* this internally before fetching results to make sure the
* result set starts at zero
*
- * @return array
+ * @return bool
*/
protected function _data_seek($n = 0)
{
@@ -170,4 +166,4 @@ class CI_DB_mysql_result extends CI_DB_result {
}
/* End of file mysql_result.php */
-/* Location: ./system/database/drivers/mysql/mysql_result.php */
+/* Location: ./system/database/drivers/mysql/mysql_result.php */ \ No newline at end of file
diff --git a/system/database/drivers/mysql/mysql_utility.php b/system/database/drivers/mysql/mysql_utility.php
index 0e7c18e16..642323dbd 100644
--- a/system/database/drivers/mysql/mysql_utility.php
+++ b/system/database/drivers/mysql/mysql_utility.php
@@ -2,7 +2,7 @@
/**
* CodeIgniter
*
- * An open source application development framework for PHP 5.1.6 or newer
+ * An open source application development framework for PHP 5.2.4 or newer
*
* NOTICE OF LICENSE
*
@@ -34,54 +34,17 @@
*/
class CI_DB_mysql_utility extends CI_DB_utility {
- /**
- * List databases
- *
- * @return string
- */
- public function _list_databases()
- {
- return 'SHOW DATABASES';
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Optimize table query
- *
- * Generates a platform-specific query so that a table can be optimized
- *
- * @param string the table name
- * @return string
- */
- public function _optimize_table($table)
- {
- return 'OPTIMIZE TABLE '.$this->db->_escape_identifiers($table);
- }
-
- // --------------------------------------------------------------------
+ protected $_list_databases = 'SHOW DATABASES';
+ protected $_optimize_table = 'OPTIMIZE TABLE %s';
+ protected $_repair_table = 'REPAIR TABLE %s';
/**
- * Repair table query
- *
- * Generates a platform-specific query so that a table can be repaired
- *
- * @param string the table name
- * @return string
- */
- public function _repair_table($table)
- {
- return 'REPAIR TABLE '.$this->db->_escape_identifiers($table);
- }
-
- // --------------------------------------------------------------------
- /**
* MySQL Export
*
* @param array Preferences
* @return mixed
*/
- public function _backup($params = array())
+ protected function _backup($params = array())
{
if (count($params) === 0)
{
@@ -102,7 +65,7 @@ class CI_DB_mysql_utility extends CI_DB_utility {
}
// Get the table schema
- $query = $this->db->query('SHOW CREATE TABLE `'.$this->db->database.'`.`'.$table.'`');
+ $query = $this->db->query('SHOW CREATE TABLE '.$this->db->protect_identifiers($this->db->database).'.'.$this->db->protect_identifiers($table));
// No result means the table name was invalid
if ($query === FALSE)
@@ -115,7 +78,7 @@ class CI_DB_mysql_utility extends CI_DB_utility {
if ($add_drop == TRUE)
{
- $output .= 'DROP TABLE IF EXISTS '.$table.';'.$newline.$newline;
+ $output .= 'DROP TABLE IF EXISTS '.$this->db->protect_identifiers($table).';'.$newline.$newline;
}
$i = 0;
@@ -135,7 +98,7 @@ class CI_DB_mysql_utility extends CI_DB_utility {
}
// Grab all the data from the current table
- $query = $this->db->query('SELECT * FROM '.$table);
+ $query = $this->db->query('SELECT * FROM '.$this->db->protect_identifiers($table));
if ($query->num_rows() == 0)
{
@@ -157,7 +120,7 @@ class CI_DB_mysql_utility extends CI_DB_utility {
TRUE);
// Create a string of field names
- $field_str .= '`'.$field->name.'`, ';
+ $field_str .= $this->db->protect_identifiers($field->name).', ';
$i++;
}
@@ -192,15 +155,16 @@ class CI_DB_mysql_utility extends CI_DB_utility {
$val_str = preg_replace('/, $/' , '', $val_str);
// Build the INSERT string
- $output .= 'INSERT INTO '.$table.' ('.$field_str.') VALUES ('.$val_str.');'.$newline;
+ $output .= 'INSERT INTO '.$this->db->protect_identifiers($table).' ('.$field_str.') VALUES ('.$val_str.');'.$newline;
}
- return $output.$newline.$newline;
+ $output .= $newline.$newline;
}
return $output;
}
+
}
/* End of file mysql_utility.php */
-/* Location: ./system/database/drivers/mysql/mysql_utility.php */
+/* Location: ./system/database/drivers/mysql/mysql_utility.php */ \ No newline at end of file
diff --git a/system/database/drivers/mysqli/mysqli_driver.php b/system/database/drivers/mysqli/mysqli_driver.php
index a79b2a4ad..a690682be 100644
--- a/system/database/drivers/mysqli/mysqli_driver.php
+++ b/system/database/drivers/mysqli/mysqli_driver.php
@@ -2,7 +2,7 @@
/**
* CodeIgniter
*
- * An open source application development framework for PHP 5.1.6 or newer
+ * An open source application development framework for PHP 5.2.4 or newer
*
* NOTICE OF LICENSE
*
@@ -72,8 +72,8 @@ class CI_DB_mysqli_driver extends CI_DB {
public function db_connect()
{
return ($this->port != '')
- ? @mysqli_connect($this->hostname, $this->username, $this->password, $this->database, $this->port)
- : @mysqli_connect($this->hostname, $this->username, $this->password, $this->database);
+ ? @new mysqli($this->hostname, $this->username, $this->password, $this->database, $this->port)
+ : @new mysqli($this->hostname, $this->username, $this->password, $this->database);
}
// --------------------------------------------------------------------
@@ -92,8 +92,8 @@ class CI_DB_mysqli_driver extends CI_DB {
}
return ($this->port != '')
- ? @mysqli_connect('p:'.$this->hostname, $this->username, $this->password, $this->database, $this->port)
- : @mysqli_connect('p:'.$this->hostname, $this->username, $this->password, $this->database);
+ ? @new mysqli('p:'.$this->hostname, $this->username, $this->password, $this->database, $this->port)
+ : @new mysqli('p:'.$this->hostname, $this->username, $this->password, $this->database);
}
// --------------------------------------------------------------------
@@ -108,7 +108,7 @@ class CI_DB_mysqli_driver extends CI_DB {
*/
public function reconnect()
{
- if (mysqli_ping($this->conn_id) === FALSE)
+ if ($this->conn_id !== FALSE && $this->conn_id->ping() === FALSE)
{
$this->conn_id = FALSE;
}
@@ -119,11 +119,23 @@ class CI_DB_mysqli_driver extends CI_DB {
/**
* Select the database
*
+ * @param string database name
* @return bool
*/
- public function db_select()
+ public function db_select($database = '')
{
- return @mysqli_select_db($this->conn_id, $this->database);
+ if ($database === '')
+ {
+ $database = $this->database;
+ }
+
+ if (@$this->conn_id->select_db($database))
+ {
+ $this->database = $database;
+ return TRUE;
+ }
+
+ return FALSE;
}
// --------------------------------------------------------------------
@@ -132,26 +144,25 @@ class CI_DB_mysqli_driver extends CI_DB {
* Set client character set
*
* @param string
- * @param string
* @return bool
*/
- protected function _db_set_charset($charset, $collation)
+ protected function _db_set_charset($charset)
{
- return function_exists('mysqli_set_charset')
- ? @mysqli_set_charset($this->conn_id, $charset)
- : @mysqli_query($this->conn_id, "SET NAMES '".$this->escape_str($charset)."' COLLATE '".$this->escape_str($collation)."'");
+ return @$this->conn_id->set_charset($charset);
}
// --------------------------------------------------------------------
/**
- * Version number query string
+ * Database version number
*
* @return string
*/
- protected function _version()
+ public function version()
{
- return @mysqli_get_server_info($this->conn_id);
+ return isset($this->data_cache['version'])
+ ? $this->data_cache['version']
+ : $this->data_cache['version'] = $this->conn_id->server_info;
}
// --------------------------------------------------------------------
@@ -164,7 +175,7 @@ class CI_DB_mysqli_driver extends CI_DB {
*/
protected function _execute($sql)
{
- return @mysqli_query($this->conn_id, $this->_prep_query($sql));
+ return @$this->conn_id->query($this->_prep_query($sql));
}
// --------------------------------------------------------------------
@@ -275,18 +286,7 @@ class CI_DB_mysqli_driver extends CI_DB {
return $str;
}
- if (function_exists('mysqli_real_escape_string') && is_object($this->conn_id))
- {
- $str = mysqli_real_escape_string($this->conn_id, $str);
- }
- elseif (function_exists('mysql_escape_string'))
- {
- $str = mysql_escape_string($str);
- }
- else
- {
- $str = addslashes($str);
- }
+ $str = is_object($this->conn_id) ? $this->conn_id->real_escape_string($str) : addslashes($str);
// escape LIKE condition wildcards
if ($like === TRUE)
@@ -306,7 +306,7 @@ class CI_DB_mysqli_driver extends CI_DB {
*/
public function affected_rows()
{
- return @mysqli_affected_rows($this->conn_id);
+ return $this->conn_id->affected_rows;
}
// --------------------------------------------------------------------
@@ -318,7 +318,7 @@ class CI_DB_mysqli_driver extends CI_DB {
*/
public function insert_id()
{
- return @mysqli_insert_id($this->conn_id);
+ return $this->conn_id->insert_id;
}
// --------------------------------------------------------------------
@@ -339,7 +339,7 @@ class CI_DB_mysqli_driver extends CI_DB {
return 0;
}
- $query = $this->query($this->_count_string.$this->_protect_identifiers('numrows').' FROM '.$this->_protect_identifiers($table, TRUE, NULL, FALSE));
+ $query = $this->query($this->_count_string.$this->protect_identifiers('numrows').' FROM '.$this->protect_identifiers($table, TRUE, NULL, FALSE));
if ($query->num_rows() == 0)
{
return 0;
@@ -357,7 +357,6 @@ class CI_DB_mysqli_driver extends CI_DB {
*
* Generates a platform-specific query string so that the table names can be fetched
*
- * @access private
* @param bool
* @return string
*/
@@ -385,83 +384,56 @@ class CI_DB_mysqli_driver extends CI_DB {
*/
protected function _list_columns($table = '')
{
- return 'SHOW COLUMNS FROM '.$this->_protect_identifiers($table, TRUE, NULL, FALSE);
+ return 'SHOW COLUMNS FROM '.$this->protect_identifiers($table, TRUE, NULL, FALSE);
}
// --------------------------------------------------------------------
/**
- * Field data query
- *
- * Generates a platform-specific query so that the column data can be retrieved
+ * Returns an object with field data
*
* @param string the table name
- * @return string
+ * @return object
*/
- protected function _field_data($table)
+ public function field_data($table = '')
{
- return 'DESCRIBE '.$table;
- }
-
- // --------------------------------------------------------------------
+ if ($table == '')
+ {
+ return ($this->db_debug) ? $this->display_error('db_field_param_missing') : FALSE;
+ }
- /**
- * The error message string
- *
- * @return string
- */
- protected function _error_message()
- {
- return mysqli_error($this->conn_id);
- }
+ $query = $this->query('DESCRIBE '.$this->protect_identifiers($table, TRUE, NULL, FALSE));
+ $query = $query->result_object();
- // --------------------------------------------------------------------
+ $retval = array();
+ for ($i = 0, $c = count($query); $i < $c; $i++)
+ {
+ preg_match('/([a-z]+)(\(\d+\))?/', $query[$i]->Type, $matches);
+
+ $retval[$i] = new stdClass();
+ $retval[$i]->name = $query[$i]->Field;
+ $retval[$i]->type = empty($matches[1]) ? NULL : $matches[1];
+ $retval[$i]->default = $query[$i]->Default;
+ $retval[$i]->max_length = empty($matches[2]) ? NULL : preg_replace('/[^\d]/', '', $matches[2]);
+ $retval[$i]->primary_key = (int) ($query[$i]->Key === 'PRI');
+ }
- /**
- * The error message number
- *
- * @return int
- */
- protected function _error_number()
- {
- return mysqli_errno($this->conn_id);
+ return $retval;
}
// --------------------------------------------------------------------
/**
- * Escape the SQL Identifiers
+ * Error
*
- * This function escapes column and table names
+ * Returns an array containing code and message of the last
+ * database error that has occured.
*
- * @param string
- * @return string
+ * @return array
*/
- public function _escape_identifiers($item)
+ public function error()
{
- if ($this->_escape_char == '')
- {
- return $item;
- }
-
- foreach ($this->_reserved_identifiers as $id)
- {
- if (strpos($item, '.'.$id) !== FALSE)
- {
- $item = str_replace('.', $this->_escape_char.'.', $item);
-
- // remove duplicates if the user already included the escape
- return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $this->_escape_char.$item);
- }
- }
-
- if (strpos($item, '.') !== FALSE)
- {
- $item = str_replace('.', $this->_escape_char.'.'.$this->_escape_char, $item);
- }
-
- // remove duplicates if the user already included the escape
- return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $this->_escape_char.$item.$this->_escape_char);
+ return array('code' => $this->conn_id->errno, 'message' => $this->conn_id->error);
}
// --------------------------------------------------------------------
@@ -488,85 +460,6 @@ class CI_DB_mysqli_driver extends CI_DB {
// --------------------------------------------------------------------
/**
- * Insert statement
- *
- * Generates a platform-specific insert string from the supplied data
- *
- * @param string the table name
- * @param array the insert keys
- * @param array the insert values
- * @return string
- */
- protected function _insert($table, $keys, $values)
- {
- return 'INSERT INTO '.$table.' ('.implode(', ', $keys).') VALUES ('.implode(', ', $values).')';
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Insert_batch statement
- *
- * Generates a platform-specific insert string from the supplied data
- *
- * @param string the table name
- * @param array the insert keys
- * @param array the insert values
- * @return string
- */
- protected function _insert_batch($table, $keys, $values)
- {
- return 'INSERT INTO '.$table.' ('.implode(', ', $keys).') VALUES '.implode(', ', $values);
- }
-
- // --------------------------------------------------------------------
-
-
- /**
- * Replace statement
- *
- * Generates a platform-specific replace string from the supplied data
- *
- * @param string the table name
- * @param array the insert keys
- * @param array the insert values
- * @return string
- */
- protected function _replace($table, $keys, $values)
- {
- return 'REPLACE INTO '.$table.' ('.implode(', ', $keys).') VALUES ('.implode(', ', $values).')';
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Update statement
- *
- * Generates a platform-specific update string from the supplied data
- *
- * @param string the table name
- * @param array the update data
- * @param array the where clause
- * @param array the orderby clause
- * @param array the limit clause
- * @return string
- */
- protected function _update($table, $values, $where, $orderby = array(), $limit = FALSE)
- {
- foreach ($values as $key => $val)
- {
- $valstr[] = $key.' = '.$val;
- }
-
- return 'UPDATE '.$table.' SET '.implode(', ', $valstr)
- .(($where != '' && count($where) > 0) ? ' WHERE '.implode(' ', $where) : '')
- .(count($orderby) > 0 ? ' ORDER BY '.implode(', ', $orderby) : '')
- .( ! $limit ? '' : ' LIMIT '.$limit);
- }
-
- // --------------------------------------------------------------------
-
- /**
* Update_Batch statement
*
* Generates a platform-specific batch update string from the supplied data
@@ -610,52 +503,6 @@ class CI_DB_mysqli_driver extends CI_DB {
// --------------------------------------------------------------------
/**
- * Truncate statement
- *
- * Generates a platform-specific truncate string from the supplied data
- * If the database does not support the truncate() command
- * This function maps to "DELETE FROM table"
- *
- * @param string the table name
- * @return string
- */
- protected function _truncate($table)
- {
- return 'TRUNCATE '.$table;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Delete statement
- *
- * Generates a platform-specific delete string from the supplied data
- *
- * @param string the table name
- * @param array the where clause
- * @param string the limit clause
- * @return string
- */
- protected function _delete($table, $where = array(), $like = array(), $limit = FALSE)
- {
- $conditions = '';
- if (count($where) > 0 OR count($like) > 0)
- {
- $conditions = "\nWHERE ".implode("\n", $this->ar_where);
-
- if (count($where) > 0 && count($like) > 0)
- {
- $conditions .= ' AND ';
- }
- $conditions .= implode("\n", $like);
- }
-
- return 'DELETE FROM '.$table.$conditions.( ! $limit ? '' : ' LIMIT '.$limit);
- }
-
- // --------------------------------------------------------------------
-
- /**
* Limit string
*
* Generates a platform-specific LIMIT clause
@@ -681,10 +528,11 @@ class CI_DB_mysqli_driver extends CI_DB {
*/
protected function _close($conn_id)
{
- @mysqli_close($conn_id);
+ $this->conn_id->close();
+ $this->conn_id = FALSE;
}
}
/* End of file mysqli_driver.php */
-/* Location: ./system/database/drivers/mysqli/mysqli_driver.php */
+/* Location: ./system/database/drivers/mysqli/mysqli_driver.php */ \ No newline at end of file
diff --git a/system/database/drivers/mysqli/mysqli_forge.php b/system/database/drivers/mysqli/mysqli_forge.php
index 7de036127..503574dfc 100644
--- a/system/database/drivers/mysqli/mysqli_forge.php
+++ b/system/database/drivers/mysqli/mysqli_forge.php
@@ -2,7 +2,7 @@
/**
* CodeIgniter
*
- * An open source application development framework for PHP 5.1.6 or newer
+ * An open source application development framework for PHP 5.2.4 or newer
*
* NOTICE OF LICENSE
*
@@ -34,31 +34,7 @@
*/
class CI_DB_mysqli_forge extends CI_DB_forge {
- /**
- * Create database
- *
- * @param string the database name
- * @return string
- */
- public function _create_database($name)
- {
- return 'CREATE DATABASE '.$name;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Drop database
- *
- * @param string the database name
- * @return string
- */
- public function _drop_database($name)
- {
- return 'DROP DATABASE '.$name;
- }
-
- // --------------------------------------------------------------------
+ protected $_create_database = 'CREATE DATABASE %s CHARACTER SET %s COLLATE %s';
/**
* Process Fields
@@ -66,7 +42,7 @@ class CI_DB_mysqli_forge extends CI_DB_forge {
* @param mixed the fields
* @return string
*/
- public function _process_fields($fields)
+ protected function _process_fields($fields)
{
$current_field_count = 0;
$sql = '';
@@ -86,9 +62,32 @@ class CI_DB_mysqli_forge extends CI_DB_forge {
$sql .= "\n\t".$this->db->protect_identifiers($field)
.( ! empty($attributes['NAME']) ? ' '.$this->db->protect_identifiers($attributes['NAME']).' ' : '')
- .( ! empty($attributes['TYPE']) ? ' '.$attributes['TYPE'] : '')
- .( ! empty($attributes['CONSTRAINT']) ? '('.$attributes['CONSTRAINT'].')' : '')
- .(( ! empty($attributes['UNSIGNED']) && $attributes['UNSIGNED'] === TRUE) ? ' UNSIGNED' : '')
+ ;
+
+ if ( ! empty($attributes['TYPE']))
+ {
+ $sql .= ' '.$attributes['TYPE'];
+
+ if ( ! empty($attributes['CONSTRAINT']))
+ {
+ switch (strtolower($attributes['TYPE']))
+ {
+ case 'decimal':
+ case 'float':
+ case 'numeric':
+ $sql .= '('.implode(',', $attributes['CONSTRAINT']).')';
+ break;
+ case 'enum':
+ case 'set':
+ $sql .= '("'.implode('","', $attributes['CONSTRAINT']).'")';
+ break;
+ default:
+ $sql .= '('.$attributes['CONSTRAINT'].')';
+ }
+ }
+ }
+
+ $sql .= (( ! empty($attributes['UNSIGNED']) && $attributes['UNSIGNED'] === TRUE) ? ' UNSIGNED' : '')
.(isset($attributes['DEFAULT']) ? " DEFAULT '".$attributes['DEFAULT']."'" : '')
.(( ! empty($attributes['NULL']) && $attributes['NULL'] === TRUE) ? ' NULL' : ' NOT NULL')
.(( ! empty($attributes['AUTO_INCREMENT']) && $attributes['AUTO_INCREMENT'] === TRUE) ? ' AUTO_INCREMENT' : '');
@@ -116,7 +115,7 @@ class CI_DB_mysqli_forge extends CI_DB_forge {
* @param bool should 'IF NOT EXISTS' be added to the SQL
* @return bool
*/
- public function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists)
+ protected function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists)
{
$sql = 'CREATE TABLE ';
@@ -125,7 +124,7 @@ class CI_DB_mysqli_forge extends CI_DB_forge {
$sql .= 'IF NOT EXISTS ';
}
- $sql .= $this->db->_escape_identifiers($table).' ('.$this->_process_fields($fields);
+ $sql .= $this->db->escape_identifiers($table).' ('.$this->_process_fields($fields);
if (count($primary_keys) > 0)
{
@@ -158,18 +157,6 @@ class CI_DB_mysqli_forge extends CI_DB_forge {
// --------------------------------------------------------------------
/**
- * Drop Table
- *
- * @return string
- */
- public function _drop_table($table)
- {
- return 'DROP TABLE IF EXISTS '.$this->db->_escape_identifiers($table);
- }
-
- // --------------------------------------------------------------------
-
- /**
* Alter table query
*
* Generates a platform-specific query so that a table can be altered
@@ -181,9 +168,9 @@ class CI_DB_mysqli_forge extends CI_DB_forge {
* @param string the field after which we should add the new field
* @return string
*/
- public function _alter_table($alter_type, $table, $fields, $after_field = '')
+ protected function _alter_table($alter_type, $table, $fields, $after_field = '')
{
- $sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table).' '.$alter_type.' ';
+ $sql = 'ALTER TABLE '.$this->db->protect_identifiers($table).' '.$alter_type.' ';
// DROP has everything it needs now.
if ($alter_type === 'DROP')
@@ -195,23 +182,7 @@ class CI_DB_mysqli_forge extends CI_DB_forge {
.($after_field != '' ? ' AFTER '.$this->db->protect_identifiers($after_field) : '');
}
- // --------------------------------------------------------------------
-
- /**
- * Rename a table
- *
- * Generates a platform-specific query so that a table can be renamed
- *
- * @param string the old table name
- * @param string the new table name
- * @return string
- */
- public function _rename_table($table_name, $new_table_name)
- {
- return 'ALTER TABLE '.$this->db->protect_identifiers($table_name).' RENAME TO '.$this->db->protect_identifiers($new_table_name);
- }
-
}
/* End of file mysqli_forge.php */
-/* Location: ./system/database/drivers/mysqli/mysqli_forge.php */
+/* Location: ./system/database/drivers/mysqli/mysqli_forge.php */ \ No newline at end of file
diff --git a/system/database/drivers/mysqli/mysqli_result.php b/system/database/drivers/mysqli/mysqli_result.php
index 0a50cccac..9b4d494d4 100644
--- a/system/database/drivers/mysqli/mysqli_result.php
+++ b/system/database/drivers/mysqli/mysqli_result.php
@@ -2,7 +2,7 @@
/**
* CodeIgniter
*
- * An open source application development framework for PHP 5.1.6 or newer
+ * An open source application development framework for PHP 5.2.4 or newer
*
* NOTICE OF LICENSE
*
@@ -43,7 +43,7 @@ class CI_DB_mysqli_result extends CI_DB_result {
*/
public function num_rows()
{
- return @mysqli_num_rows($this->result_id);
+ return $this->result_id->num_rows;
}
// --------------------------------------------------------------------
@@ -55,7 +55,7 @@ class CI_DB_mysqli_result extends CI_DB_result {
*/
public function num_fields()
{
- return @mysqli_num_fields($this->result_id);
+ return $this->result_id->field_count;
}
// --------------------------------------------------------------------
@@ -70,7 +70,7 @@ class CI_DB_mysqli_result extends CI_DB_result {
public function list_fields()
{
$field_names = array();
- while ($field = mysqli_fetch_field($this->result_id))
+ while ($field = $this->result_id->fetch_field())
{
$field_names[] = $field->name;
}
@@ -90,18 +90,15 @@ class CI_DB_mysqli_result extends CI_DB_result {
public function field_data()
{
$retval = array();
- while ($field = mysqli_fetch_object($this->result_id))
+ $field_data = $this->result_id->fetch_fields();
+ for ($i = 0, $c = count($field_data); $i < $c; $i++)
{
- preg_match('/([a-zA-Z]+)(\(\d+\))?/', $field->Type, $matches);
-
- $F = new stdClass();
- $F->name = $field->Field;
- $F->type = ( ! empty($matches[1])) ? $matches[1] : NULL;
- $F->default = $field->Default;
- $F->max_length = ( ! empty($matches[2])) ? preg_replace('/[^\d]/', '', $matches[2]) : NULL;
- $F->primary_key = (int) ($field->Key === 'PRI');
-
- $retval[] = $F;
+ $retval[$i] = new stdClass();
+ $retval[$i]->name = $field_data[$i]->name;
+ $retval[$i]->type = $field_data[$i]->type;
+ $retval[$i]->max_length = $field_data[$i]->max_length;
+ $retval[$i]->primary_key = (int) ($field_data[$i]->flags & 2);
+ $retval[$i]->default = '';
}
return $retval;
@@ -118,7 +115,7 @@ class CI_DB_mysqli_result extends CI_DB_result {
{
if (is_object($this->result_id))
{
- mysqli_free_result($this->result_id);
+ $this->result_id->free();
$this->result_id = FALSE;
}
}
@@ -128,15 +125,15 @@ class CI_DB_mysqli_result extends CI_DB_result {
/**
* Data Seek
*
- * Moves the internal pointer to the desired offset. We call
+ * Moves the internal pointer to the desired offset. We call
* this internally before fetching results to make sure the
* result set starts at zero
*
- * @return array
+ * @return bool
*/
protected function _data_seek($n = 0)
{
- return mysqli_data_seek($this->result_id, $n);
+ return $this->result_id->data_seek($n);
}
// --------------------------------------------------------------------
@@ -150,7 +147,7 @@ class CI_DB_mysqli_result extends CI_DB_result {
*/
protected function _fetch_assoc()
{
- return mysqli_fetch_assoc($this->result_id);
+ return $this->result_id->fetch_assoc();
}
// --------------------------------------------------------------------
@@ -164,10 +161,10 @@ class CI_DB_mysqli_result extends CI_DB_result {
*/
protected function _fetch_object()
{
- return mysqli_fetch_object($this->result_id);
+ return $this->result_id->fetch_object();
}
}
/* End of file mysqli_result.php */
-/* Location: ./system/database/drivers/mysqli/mysqli_result.php */
+/* Location: ./system/database/drivers/mysqli/mysqli_result.php */ \ No newline at end of file
diff --git a/system/database/drivers/mysqli/mysqli_utility.php b/system/database/drivers/mysqli/mysqli_utility.php
index 3fdc5c723..27d4ef817 100644
--- a/system/database/drivers/mysqli/mysqli_utility.php
+++ b/system/database/drivers/mysqli/mysqli_utility.php
@@ -2,7 +2,7 @@
/**
* CodeIgniter
*
- * An open source application development framework for PHP 5.1.6 or newer
+ * An open source application development framework for PHP 5.2.4 or newer
*
* NOTICE OF LICENSE
*
@@ -34,47 +34,9 @@
*/
class CI_DB_mysqli_utility extends CI_DB_utility {
- /**
- * List databases
- *
- * @return string
- */
- public function _list_databases()
- {
- return 'SHOW DATABASES';
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Optimize table query
- *
- * Generates a platform-specific query so that a table can be optimized
- *
- * @param string the table name
- * @return string
- */
- public function _optimize_table($table)
- {
- return 'OPTIMIZE TABLE '.$this->db->_escape_identifiers($table);
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Repair table query
- *
- * Generates a platform-specific query so that a table can be repaired
- *
- * @param string the table name
- * @return string
- */
- public function _repair_table($table)
- {
- return 'REPAIR TABLE '.$this->db->_escape_identifiers($table);
- }
-
- // --------------------------------------------------------------------
+ protected $_list_databases = 'SHOW DATABASES';
+ protected $_optimize_table = 'OPTIMIZE TABLE %s';
+ protected $_repair_table = 'REPAIR TABLE %s';
/**
* MySQLi Export
@@ -82,7 +44,7 @@ class CI_DB_mysqli_utility extends CI_DB_utility {
* @param array Preferences
* @return mixed
*/
- public function _backup($params = array())
+ protected function _backup($params = array())
{
// Currently unsupported
return $this->db->display_error('db_unsuported_feature');
@@ -90,4 +52,4 @@ class CI_DB_mysqli_utility extends CI_DB_utility {
}
/* End of file mysqli_utility.php */
-/* Location: ./system/database/drivers/mysqli/mysqli_utility.php */
+/* Location: ./system/database/drivers/mysqli/mysqli_utility.php */ \ No newline at end of file
diff --git a/system/database/drivers/oci8/oci8_driver.php b/system/database/drivers/oci8/oci8_driver.php
index c6621901b..1b66178c6 100644
--- a/system/database/drivers/oci8/oci8_driver.php
+++ b/system/database/drivers/oci8/oci8_driver.php
@@ -1,13 +1,13 @@
-<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
- * An open source application development framework for PHP 5.1.6 or newer
+ * An open source application development framework for PHP 5.2.4 or newer
*
* NOTICE OF LICENSE
- *
+ *
* Licensed under the Open Software License version 3.0
- *
+ *
* This source file is subject to the Open Software License (OSL 3.0) that is
* bundled with this package in the files license.txt / license.rst. It is
* also available through the world wide web at this URL:
@@ -25,8 +25,6 @@
* @filesource
*/
-// ------------------------------------------------------------------------
-
/**
* oci8 Database Adapter Class
*
@@ -48,121 +46,154 @@
* permit access to oracle databases
*
* @author Kelly McArdle
- *
*/
-
class CI_DB_oci8_driver extends CI_DB {
- var $dbdriver = 'oci8';
+ public $dbdriver = 'oci8';
// The character used for excaping
- var $_escape_char = '"';
+ protected $_escape_char = '"';
// clause and character used for LIKE escape sequences
- var $_like_escape_str = " escape '%s' ";
- var $_like_escape_chr = '!';
+ protected $_like_escape_str = " ESCAPE '%s' ";
+ protected $_like_escape_chr = '!';
/**
* The syntax to count rows is slightly different across different
* database engines, so this string appears in each driver and is
* used for the count_all() and count_all_results() functions.
*/
- var $_count_string = "SELECT COUNT(1) AS ";
- var $_random_keyword = ' ASC'; // not currently supported
+ protected $_count_string = 'SELECT COUNT(1) AS ';
+ protected $_random_keyword = ' ASC'; // not currently supported
// Set "auto commit" by default
- var $_commit = OCI_COMMIT_ON_SUCCESS;
+ public $commit_mode = OCI_COMMIT_ON_SUCCESS;
// need to track statement id and cursor id
- var $stmt_id;
- var $curs_id;
+ public $stmt_id;
+ public $curs_id;
// if we use a limit, we will add a field that will
// throw off num_fields later
- var $limit_used;
+ public $limit_used;
- /**
- * Non-persistent database connection
- *
- * @access private called by the base class
- * @return resource
- */
- public function db_connect()
+ public function __construct($params)
{
- return @oci_connect($this->username, $this->password, $this->hostname, $this->char_set);
- }
+ parent::__construct($params);
- // --------------------------------------------------------------------
+ $valid_dsns = array(
+ 'tns' => '/^\(DESCRIPTION=(\(.+\)){2,}\)$/', // TNS
+ // Easy Connect string (Oracle 10g+)
+ 'ec' => '/^(\/\/)?[a-z0-9.:_-]+(:[1-9][0-9]{0,4})?(\/[a-z0-9$_]+)?(:[^\/])?(\/[a-z0-9$_]+)?$/i',
+ 'in' => '/^[a-z0-9$_]+$/i' // Instance name (defined in tnsnames.ora)
+ );
- /**
- * Persistent database connection
- *
- * @access private called by the base class
- * @return resource
- */
- public function db_pconnect()
- {
- return @oci_pconnect($this->username, $this->password, $this->hostname, $this->char_set);
- }
+ /* Space characters don't have any effect when actually
+ * connecting, but can be a hassle while validating the DSN.
+ */
+ $this->dsn = str_replace(array("\n", "\r", "\t", ' '), '', $this->dsn);
- // --------------------------------------------------------------------
+ if ($this->dsn !== '')
+ {
+ foreach ($valid_dsns as $regexp)
+ {
+ if (preg_match($regexp, $this->dsn))
+ {
+ return;
+ }
+ }
+ }
- /**
- * Reconnect
- *
- * Keep / reestablish the db connection if no queries have been
- * sent for a length of time exceeding the server's idle timeout
- *
- * @access public
- * @return void
- */
- public function reconnect()
- {
- // not implemented in oracle
- return;
- }
+ // Legacy support for TNS in the hostname configuration field
+ $this->hostname = str_replace(array("\n", "\r", "\t", ' '), '', $this->hostname);
+ if (preg_match($valid_dsns['tns'], $this->hostname))
+ {
+ $this->dsn = $this->hostname;
+ return;
+ }
+ elseif ($this->hostname !== '' && strpos($this->hostname, '/') === FALSE && strpos($this->hostname, ':') === FALSE
+ && (( ! empty($this->port) && ctype_digit($this->port)) OR $this->database !== ''))
+ {
+ /* If the hostname field isn't empty, doesn't contain
+ * ':' and/or '/' and if port and/or database aren't
+ * empty, then the hostname field is most likely indeed
+ * just a hostname. Therefore we'll try and build an
+ * Easy Connect string from these 3 settings, assuming
+ * that the database field is a service name.
+ */
+ $this->dsn = $this->hostname
+ .(( ! empty($this->port) && ctype_digit($this->port)) ? ':'.$this->port : '')
+ .($this->database !== '' ? '/'.ltrim($this->database, '/') : '');
+
+ if (preg_match($valid_dsns['ec'], $this->dsn))
+ {
+ return;
+ }
+ }
- // --------------------------------------------------------------------
+ /* At this point, we can only try and validate the hostname and
+ * database fields separately as DSNs.
+ */
+ if (preg_match($valid_dsns['ec'], $this->hostname) OR preg_match($valid_dsns['in'], $this->hostname))
+ {
+ $this->dsn = $this->hostname;
+ return;
+ }
+
+ $this->database = str_replace(array("\n", "\r", "\t", ' '), '', $this->database);
+ foreach ($valid_dsns as $regexp)
+ {
+ if (preg_match($regexp, $this->database))
+ {
+ return;
+ }
+ }
+
+ /* Well - OK, an empty string should work as well.
+ * PHP will try to use environment variables to
+ * determine which Oracle instance to connect to.
+ */
+ $this->dsn = '';
+ }
/**
- * Select the database
+ * Non-persistent database connection
*
- * @access private called by the base class
- * @return resource
+ * @return resource
*/
- public function db_select()
+ public function db_connect()
{
- // Not in Oracle - schemas are actually usernames
- return TRUE;
+ return ( ! empty($this->char_set))
+ ? @oci_connect($this->username, $this->password, $this->dsn, $this->char_set)
+ : @oci_connect($this->username, $this->password, $this->dsn);
}
// --------------------------------------------------------------------
/**
- * Set client character set
+ * Persistent database connection
*
- * @access public
- * @param string
- * @param string
* @return resource
*/
- public function db_set_charset($charset, $collation)
+ public function db_pconnect()
{
- // this is done upon connect
- return TRUE;
+ return ( ! empty($this->char_set))
+ ? @oci_pconnect($this->username, $this->password, $this->dsn, $this->char_set)
+ : @oci_pconnect($this->username, $this->password, $this->dsn);
}
// --------------------------------------------------------------------
/**
- * Version number query string
+ * Database version number
*
- * @access protected
- * @return string
+ * @return string
*/
- protected function _version()
+ public function version()
{
- return oci_server_version($this->conn_id);
+ return isset($this->data_cache['version'])
+ ? $this->data_cache['version']
+ : $this->data_cache['version'] = oci_server_version($this->conn_id);
}
// --------------------------------------------------------------------
@@ -170,63 +201,44 @@ class CI_DB_oci8_driver extends CI_DB {
/**
* Execute the query
*
- * @access protected called by the base class
- * @param string an SQL query
- * @return resource
+ * @param string an SQL query
+ * @return resource
*/
protected function _execute($sql)
{
- // oracle must parse the query before it is run. All of the actions with
- // the query are based on the statement id returned by ociparse
+ /* Oracle must parse the query before it is run. All of the actions with
+ * the query are based on the statement id returned by oci_parse().
+ */
$this->stmt_id = FALSE;
$this->_set_stmt_id($sql);
oci_set_prefetch($this->stmt_id, 1000);
- return @oci_execute($this->stmt_id, $this->_commit);
+ return @oci_execute($this->stmt_id, $this->commit_mode);
}
/**
* Generate a statement ID
*
- * @access private
- * @param string an SQL query
- * @return none
+ * @param string an SQL query
+ * @return void
*/
- private function _set_stmt_id($sql)
+ protected function _set_stmt_id($sql)
{
if ( ! is_resource($this->stmt_id))
{
- $this->stmt_id = oci_parse($this->conn_id, $this->_prep_query($sql));
+ $this->stmt_id = oci_parse($this->conn_id, $sql);
}
}
// --------------------------------------------------------------------
/**
- * Prep the query
- *
- * If needed, each database adapter can prep the query string
- *
- * @access private called by execute()
- * @param string an SQL query
- * @return string
- */
- private function _prep_query($sql)
- {
- return $sql;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * getCursor. Returns a cursor from the datbase
+ * Get cursor. Returns a cursor from the database
*
- * @access public
- * @return cursor id
+ * @return cursor id
*/
public function get_cursor()
{
- $this->curs_id = oci_new_cursor($this->conn_id);
- return $this->curs_id;
+ return $this->curs_id = oci_new_cursor($this->conn_id);
}
// --------------------------------------------------------------------
@@ -234,20 +246,19 @@ class CI_DB_oci8_driver extends CI_DB {
/**
* Stored Procedure. Executes a stored procedure
*
- * @access public
- * @param package package stored procedure is in
- * @param procedure stored procedure to execute
- * @param params array of parameters
- * @return array
+ * @param string package name in which the stored procedure is in
+ * @param string stored procedure name to execute
+ * @param array parameters
+ * @return mixed
*
* params array keys
*
* KEY OPTIONAL NOTES
- * name no the name of the parameter should be in :<param_name> format
- * value no the value of the parameter. If this is an OUT or IN OUT parameter,
- * this should be a reference to a variable
- * type yes the type of the parameter
- * length yes the max size of the parameter
+ * name no the name of the parameter should be in :<param_name> format
+ * value no the value of the parameter. If this is an OUT or IN OUT parameter,
+ * this should be a reference to a variable
+ * type yes the type of the parameter
+ * length yes the max size of the parameter
*/
public function stored_procedure($package, $procedure, $params)
{
@@ -262,24 +273,24 @@ class CI_DB_oci8_driver extends CI_DB {
}
// build the query string
- $sql = "begin $package.$procedure(";
+ $sql = 'BEGIN '.$package.'.'.$procedure.'(';
$have_cursor = FALSE;
foreach ($params as $param)
{
- $sql .= $param['name'] . ",";
+ $sql .= $param['name'].',';
- if (array_key_exists('type', $param) && ($param['type'] === OCI_B_CURSOR))
+ if (isset($param['type']) && $param['type'] === OCI_B_CURSOR)
{
$have_cursor = TRUE;
}
}
- $sql = trim($sql, ",") . "); end;";
+ $sql = trim($sql, ',') . '); END;';
$this->stmt_id = FALSE;
$this->_set_stmt_id($sql);
$this->_bind_params($params);
- $this->query($sql, FALSE, $have_cursor);
+ return $this->query($sql, FALSE, $have_cursor);
}
// --------------------------------------------------------------------
@@ -287,10 +298,9 @@ class CI_DB_oci8_driver extends CI_DB {
/**
* Bind parameters
*
- * @access private
- * @return none
+ * @return void
*/
- private function _bind_params($params)
+ protected function _bind_params($params)
{
if ( ! is_array($params) OR ! is_resource($this->stmt_id))
{
@@ -316,7 +326,6 @@ class CI_DB_oci8_driver extends CI_DB {
/**
* Begin Transaction
*
- * @access public
* @return bool
*/
public function trans_begin($test_mode = FALSE)
@@ -337,7 +346,7 @@ class CI_DB_oci8_driver extends CI_DB {
// even if the queries produce a successful result.
$this->_trans_failure = ($test_mode === TRUE) ? TRUE : FALSE;
- $this->_commit = OCI_DEFAULT;
+ $this->commit_mode = (is_php('5.3.2')) ? OCI_NO_AUTO_COMMIT : OCI_DEFAULT;
return TRUE;
}
@@ -346,7 +355,6 @@ class CI_DB_oci8_driver extends CI_DB {
/**
* Commit Transaction
*
- * @access public
* @return bool
*/
public function trans_commit()
@@ -362,9 +370,8 @@ class CI_DB_oci8_driver extends CI_DB {
return TRUE;
}
- $ret = oci_commit($this->conn_id);
- $this->_commit = OCI_COMMIT_ON_SUCCESS;
- return $ret;
+ $this->commit_mode = OCI_COMMIT_ON_SUCCESS;
+ return oci_commit($this->conn_id);
}
// --------------------------------------------------------------------
@@ -372,25 +379,18 @@ class CI_DB_oci8_driver extends CI_DB {
/**
* Rollback Transaction
*
- * @access public
* @return bool
*/
public function trans_rollback()
{
- if ( ! $this->trans_enabled)
- {
- return TRUE;
- }
-
// When transactions are nested we only begin/commit/rollback the outermost ones
- if ($this->_trans_depth > 0)
+ if ( ! $this->trans_enabled OR $this->_trans_depth > 0)
{
return TRUE;
}
- $ret = oci_rollback($this->conn_id);
- $this->_commit = OCI_COMMIT_ON_SUCCESS;
- return $ret;
+ $this->commit_mode = OCI_COMMIT_ON_SUCCESS;
+ return oci_rollback($this->conn_id);
}
// --------------------------------------------------------------------
@@ -398,10 +398,9 @@ class CI_DB_oci8_driver extends CI_DB {
/**
* Escape String
*
- * @access public
- * @param string
+ * @param string
* @param bool whether or not the string will be used in a LIKE condition
- * @return string
+ * @return string
*/
public function escape_str($str, $like = FALSE)
{
@@ -415,15 +414,14 @@ class CI_DB_oci8_driver extends CI_DB {
return $str;
}
- $str = remove_invisible_characters($str);
- $str = str_replace("'", "''", $str);
+ $str = str_replace("'", "''", remove_invisible_characters($str));
// escape LIKE condition wildcards
if ($like === TRUE)
{
- $str = str_replace( array('%', '_', $this->_like_escape_chr),
- array($this->_like_escape_chr.'%', $this->_like_escape_chr.'_', $this->_like_escape_chr.$this->_like_escape_chr),
- $str);
+ return str_replace(array($this->_like_escape_chr, '%', '_'),
+ array($this->_like_escape_chr.$this->_like_escape_chr, $this->_like_escape_chr.'%', $this->_like_escape_chr.'_'),
+ $str);
}
return $str;
@@ -434,8 +432,7 @@ class CI_DB_oci8_driver extends CI_DB {
/**
* Affected Rows
*
- * @access public
- * @return integer
+ * @return int
*/
public function affected_rows()
{
@@ -447,8 +444,7 @@ class CI_DB_oci8_driver extends CI_DB {
/**
* Insert ID
*
- * @access public
- * @return integer
+ * @return int
*/
public function insert_id()
{
@@ -464,9 +460,8 @@ class CI_DB_oci8_driver extends CI_DB {
* Generates a platform-specific query string that counts all records in
* the specified database
*
- * @access public
- * @param string
- * @return string
+ * @param string
+ * @return int
*/
public function count_all($table = '')
{
@@ -475,8 +470,7 @@ class CI_DB_oci8_driver extends CI_DB {
return 0;
}
- $query = $this->query($this->_count_string . $this->_protect_identifiers('numrows') . " FROM " . $this->_protect_identifiers($table, TRUE, NULL, FALSE));
-
+ $query = $this->query($this->_count_string.$this->protect_identifiers('numrows').' FROM '.$this->protect_identifiers($table, TRUE, NULL, FALSE));
if ($query == FALSE)
{
return 0;
@@ -494,17 +488,16 @@ class CI_DB_oci8_driver extends CI_DB {
*
* Generates a platform-specific query string so that the table names can be fetched
*
- * @access protected
- * @param boolean
+ * @param bool
* @return string
*/
protected function _list_tables($prefix_limit = FALSE)
{
- $sql = "SELECT TABLE_NAME FROM ALL_TABLES";
+ $sql = 'SELECT TABLE_NAME FROM ALL_TABLES';
- if ($prefix_limit !== FALSE AND $this->dbprefix != '')
+ if ($prefix_limit !== FALSE && $this->dbprefix != '')
{
- $sql .= " WHERE TABLE_NAME LIKE '".$this->escape_like_str($this->dbprefix)."%' ".sprintf($this->_like_escape_str, $this->_like_escape_chr);
+ return $sql." WHERE TABLE_NAME LIKE '".$this->escape_like_str($this->dbprefix)."%' ".sprintf($this->_like_escape_str, $this->_like_escape_chr);
}
return $sql;
@@ -517,13 +510,12 @@ class CI_DB_oci8_driver extends CI_DB {
*
* Generates a platform-specific query string so that the column names can be fetched
*
- * @access protected
- * @param string the table name
- * @return string
+ * @param string the table name
+ * @return string
*/
protected function _list_columns($table = '')
{
- return "SELECT COLUMN_NAME FROM all_tab_columns WHERE table_name = '$table'";
+ return 'SELECT COLUMN_NAME FROM all_tab_columns WHERE table_name = \''.$table.'\'';
}
// --------------------------------------------------------------------
@@ -533,85 +525,43 @@ class CI_DB_oci8_driver extends CI_DB {
*
* Generates a platform-specific query so that the column data can be retrieved
*
- * @access public
- * @param string the table name
- * @return object
+ * @param string the table name
+ * @return string
*/
protected function _field_data($table)
{
- return "SELECT * FROM ".$table." where rownum = 1";
+ return 'SELECT * FROM '.$table.' WHERE rownum = 1';
}
// --------------------------------------------------------------------
/**
- * The error message string
+ * Error
*
- * @access protected
- * @return string
- */
- protected function _error_message()
- {
- // If the error was during connection, no conn_id should be passed
- $error = is_resource($this->conn_id) ? oci_error($this->conn_id) : oci_error();
- return $error['message'];
- }
-
- // --------------------------------------------------------------------
-
- /**
- * The error message number
+ * Returns an array containing code and message of the last
+ * database error that has occured.
*
- * @access protected
- * @return integer
- */
- protected function _error_number()
- {
- // Same as _error_message()
- $error = is_resource($this->conn_id) ? oci_error($this->conn_id) : oci_error();
- return $error['code'];
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Escape the SQL Identifiers
- *
- * This function escapes column and table names
- *
- * @access protected
- * @param string
- * @return string
+ * @return array
*/
- protected function _escape_identifiers($item)
+ public function error()
{
- if ($this->_escape_char == '')
+ /* oci_error() returns an array that already contains the
+ * 'code' and 'message' keys, so we can just return it.
+ */
+ if (is_resource($this->curs_id))
{
- return $item;
+ return oci_error($this->curs_id);
}
-
- foreach ($this->_reserved_identifiers as $id)
+ elseif (is_resource($this->stmt_id))
{
- if (strpos($item, '.'.$id) !== FALSE)
- {
- $str = $this->_escape_char. str_replace('.', $this->_escape_char.'.', $item);
-
- // remove duplicates if the user already included the escape
- return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $str);
- }
+ return oci_error($this->stmt_id);
}
-
- if (strpos($item, '.') !== FALSE)
+ elseif (is_resource($this->conn_id))
{
- $str = $this->_escape_char.str_replace('.', $this->_escape_char.'.'.$this->_escape_char, $item).$this->_escape_char;
- }
- else
- {
- $str = $this->_escape_char.$item.$this->_escape_char;
+ return oci_error($this->conn_id);
}
- // remove duplicates if the user already included the escape
- return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $str);
+ return oci_error();
}
// --------------------------------------------------------------------
@@ -622,36 +572,12 @@ class CI_DB_oci8_driver extends CI_DB {
* This function implicitly groups FROM tables so there is no confusion
* about operator precedence in harmony with SQL standards
*
- * @access protected
- * @param type
- * @return type
+ * @param array
+ * @return string
*/
protected function _from_tables($tables)
{
- if ( ! is_array($tables))
- {
- $tables = array($tables);
- }
-
- return implode(', ', $tables);
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Insert statement
- *
- * Generates a platform-specific insert string from the supplied data
- *
- * @access public
- * @param string the table name
- * @param array the insert keys
- * @param array the insert values
- * @return string
- */
- protected function _insert($table, $keys, $values)
- {
- return "INSERT INTO ".$table." (".implode(', ', $keys).") VALUES (".implode(', ', $values).")";
+ return is_array($tables) ? implode(', ', $tables) : $tables;
}
// --------------------------------------------------------------------
@@ -661,10 +587,10 @@ class CI_DB_oci8_driver extends CI_DB {
*
* Generates a platform-specific insert string from the supplied data
*
- * @param string the table name
- * @param array the insert keys
- * @param array the insert values
- * @return string
+ * @param string the table name
+ * @param array the insert keys
+ * @param array the insert values
+ * @return string
*/
protected function _insert_batch($table, $keys, $values)
{
@@ -673,47 +599,10 @@ class CI_DB_oci8_driver extends CI_DB {
for ($i = 0, $c = count($values); $i < $c; $i++)
{
- $sql .= ' INTO ' . $table . ' (' . $keys . ') VALUES ' . $values[$i] . "\n";
+ $sql .= ' INTO '.$table.' ('.$keys.') VALUES '.$values[$i]."\n";
}
- $sql .= 'SELECT * FROM dual';
-
- return $sql;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Update statement
- *
- * Generates a platform-specific update string from the supplied data
- *
- * @access protected
- * @param string the table name
- * @param array the update data
- * @param array the where clause
- * @param array the orderby clause
- * @param array the limit clause
- * @return string
- */
- protected function _update($table, $values, $where, $orderby = array(), $limit = FALSE)
- {
- foreach ($values as $key => $val)
- {
- $valstr[] = $key." = ".$val;
- }
-
- $limit = ( ! $limit) ? '' : ' LIMIT '.$limit;
-
- $orderby = (count($orderby) >= 1)?' ORDER BY '.implode(", ", $orderby):'';
-
- $sql = "UPDATE ".$table." SET ".implode(', ', $valstr);
-
- $sql .= ($where != '' AND count($where) >=1) ? " WHERE ".implode(" ", $where) : '';
-
- $sql .= $orderby.$limit;
-
- return $sql;
+ return $sql.'SELECT * FROM dual';
}
// --------------------------------------------------------------------
@@ -722,16 +611,16 @@ class CI_DB_oci8_driver extends CI_DB {
* Truncate statement
*
* Generates a platform-specific truncate string from the supplied data
- * If the database does not support the truncate() command
- * This function maps to "DELETE FROM table"
*
- * @access protected
+ * If the database does not support the truncate() command,
+ * then this method maps to 'DELETE FROM table'
+ *
* @param string the table name
* @return string
*/
protected function _truncate($table)
{
- return "TRUNCATE TABLE ".$table;
+ return 'TRUNCATE TABLE '.$table;
}
// --------------------------------------------------------------------
@@ -741,31 +630,21 @@ class CI_DB_oci8_driver extends CI_DB {
*
* Generates a platform-specific delete string from the supplied data
*
- * @access protected
* @param string the table name
* @param array the where clause
+ * @param array the like clause
* @param string the limit clause
* @return string
*/
protected function _delete($table, $where = array(), $like = array(), $limit = FALSE)
{
- $conditions = '';
-
- if (count($where) > 0 OR count($like) > 0)
- {
- $conditions = "\nWHERE ";
- $conditions .= implode("\n", $this->ar_where);
-
- if (count($where) > 0 && count($like) > 0)
- {
- $conditions .= " AND ";
- }
- $conditions .= implode("\n", $like);
- }
+ $conditions = array();
- $limit = ( ! $limit) ? '' : ' LIMIT '.$limit;
+ empty($where) OR $conditions[] = implode(' ', $where);
+ empty($like) OR $conditions[] = implode(' ', $like);
+ empty($limit) OR $conditions[] = 'rownum <= '.$limit;
- return "DELETE FROM ".$table.$conditions.$limit;
+ return 'DELETE FROM '.$table.(count($conditions) > 0 ? ' WHERE '.implode(' AND ', $conditions) : '');
}
// --------------------------------------------------------------------
@@ -775,26 +654,16 @@ class CI_DB_oci8_driver extends CI_DB {
*
* Generates a platform-specific LIMIT clause
*
- * @access protected
- * @param string the sql query string
- * @param integer the number of rows to limit the query to
- * @param integer the offset value
- * @return string
+ * @param string the sql query string
+ * @param int the number of rows to limit the query to
+ * @param int the offset value
+ * @return string
*/
protected function _limit($sql, $limit, $offset)
{
- $limit = $offset + $limit;
- $newsql = "SELECT * FROM (select inner_query.*, rownum rnum FROM ($sql) inner_query WHERE rownum < $limit)";
-
- if ($offset != 0)
- {
- $newsql .= " WHERE rnum >= $offset";
- }
-
- // remember that we used limits
$this->limit_used = TRUE;
-
- return $newsql;
+ return 'SELECT * FROM (SELECT inner_query.*, rownum rnum FROM ('.$sql.') inner_query WHERE rownum < '.($offset + $limit).')'
+ .($offset != 0 ? ' WHERE rnum >= '.$offset : '');
}
// --------------------------------------------------------------------
@@ -802,19 +671,15 @@ class CI_DB_oci8_driver extends CI_DB {
/**
* Close DB Connection
*
- * @access protected
- * @param resource
- * @return void
+ * @param resource
+ * @return void
*/
protected function _close($conn_id)
{
@oci_close($conn_id);
}
-
}
-
-
/* End of file oci8_driver.php */
-/* Location: ./system/database/drivers/oci8/oci8_driver.php */
+/* Location: ./system/database/drivers/oci8/oci8_driver.php */ \ No newline at end of file
diff --git a/system/database/drivers/oci8/oci8_forge.php b/system/database/drivers/oci8/oci8_forge.php
index b4a24cdca..bd265b6e0 100644
--- a/system/database/drivers/oci8/oci8_forge.php
+++ b/system/database/drivers/oci8/oci8_forge.php
@@ -1,13 +1,13 @@
-<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
- * An open source application development framework for PHP 5.1.6 or newer
+ * An open source application development framework for PHP 5.2.4 or newer
*
* NOTICE OF LICENSE
- *
+ *
* Licensed under the Open Software License version 3.0
- *
+ *
* This source file is subject to the Open Software License (OSL 3.0) that is
* bundled with this package in the files license.txt / license.rst. It is
* also available through the world wide web at this URL:
@@ -25,8 +25,6 @@
* @filesource
*/
-// ------------------------------------------------------------------------
-
/**
* Oracle Forge Class
*
@@ -36,46 +34,21 @@
*/
class CI_DB_oci8_forge extends CI_DB_forge {
- /**
- * Create database
- *
- * @access public
- * @param string the database name
- * @return bool
- */
- function _create_database($name)
- {
- return FALSE;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Drop database
- *
- * @access private
- * @param string the database name
- * @return bool
- */
- function _drop_database($name)
- {
- return FALSE;
- }
-
- // --------------------------------------------------------------------
+ protected $_create_database = FALSE;
+ protected $_drop_database = FALSE;
+ protected $_drop_table = 'DROP TABLE %s';
/**
* Create Table
*
- * @access private
* @param string the table name
* @param array the fields
* @param mixed primary key(s)
* @param mixed key(s)
- * @param boolean should 'IF NOT EXISTS' be added to the SQL
- * @return bool
+ * @param bool should 'IF NOT EXISTS' be added to the SQL
+ * @return string
*/
- function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists)
+ protected function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists)
{
$sql = 'CREATE TABLE ';
@@ -84,54 +57,27 @@ class CI_DB_oci8_forge extends CI_DB_forge {
$sql .= 'IF NOT EXISTS ';
}
- $sql .= $this->db->_escape_identifiers($table)." (";
+ $sql .= $this->db->escape_identifiers($table).' (';
$current_field_count = 0;
- foreach ($fields as $field=>$attributes)
+ foreach ($fields as $field => $attributes)
{
// Numeric field names aren't allowed in databases, so if the key is
// numeric, we know it was assigned by PHP and the developer manually
// entered the field information, so we'll simply add it to the list
if (is_numeric($field))
{
- $sql .= "\n\t$attributes";
+ $sql .= "\n\t".$attributes;
}
else
{
$attributes = array_change_key_case($attributes, CASE_UPPER);
- $sql .= "\n\t".$this->db->_protect_identifiers($field);
-
- $sql .= ' '.$attributes['TYPE'];
-
- if (array_key_exists('CONSTRAINT', $attributes))
- {
- $sql .= '('.$attributes['CONSTRAINT'].')';
- }
-
- if (array_key_exists('UNSIGNED', $attributes) && $attributes['UNSIGNED'] === TRUE)
- {
- $sql .= ' UNSIGNED';
- }
-
- if (array_key_exists('DEFAULT', $attributes))
- {
- $sql .= ' DEFAULT \''.$attributes['DEFAULT'].'\'';
- }
-
- if (array_key_exists('NULL', $attributes) && $attributes['NULL'] === TRUE)
- {
- $sql .= ' NULL';
- }
- else
- {
- $sql .= ' NOT NULL';
- }
-
- if (array_key_exists('AUTO_INCREMENT', $attributes) && $attributes['AUTO_INCREMENT'] === TRUE)
- {
- $sql .= ' AUTO_INCREMENT';
- }
+ $sql .= "\n\t".$this->db->protect_identifiers($field).' '.$attributes['TYPE']
+ .((isset($attributes['UNSINGED']) && $attributes['UNSIGNED'] === TRUE) ? ' UNSIGNED' : '')
+ .(isset($attributes['DEFAULT']) ? " DEFAULT '".$attributes['DEFAULT']."'" : '')
+ .((isset($attributes['NULL']) && $attributes['NULL'] === TRUE) ? '' : ' NOT NULL')
+ .(isset($attributes['CONSTRAINT']) ? ' CONSTRAINT '.$attributes['CONSTRAINT'] : '');
}
// don't add a comma on the end of the last field
@@ -143,8 +89,8 @@ class CI_DB_oci8_forge extends CI_DB_forge {
if (count($primary_keys) > 0)
{
- $primary_keys = $this->db->_protect_identifiers($primary_keys);
- $sql .= ",\n\tPRIMARY KEY (" . implode(', ', $primary_keys) . ")";
+ $primary_keys = $this->db->protect_identifiers($primary_keys);
+ $sql .= ",\n\tCONSTRAINT ".$table.' PRIMARY KEY ('.implode(', ', $primary_keys).')';
}
if (is_array($keys) && count($keys) > 0)
@@ -153,33 +99,18 @@ class CI_DB_oci8_forge extends CI_DB_forge {
{
if (is_array($key))
{
- $key = $this->db->_protect_identifiers($key);
+ $key = $this->db->protect_identifiers($key);
}
else
{
- $key = array($this->db->_protect_identifiers($key));
+ $key = array($this->db->protect_identifiers($key));
}
- $sql .= ",\n\tUNIQUE COLUMNS (" . implode(', ', $key) . ")";
+ $sql .= ",\n\tUNIQUE COLUMNS (".implode(', ', $key).')';
}
}
- $sql .= "\n)";
-
- return $sql;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Drop Table
- *
- * @access private
- * @return bool
- */
- function _drop_table($table)
- {
- return FALSE;
+ return $sql."\n)";
}
// --------------------------------------------------------------------
@@ -190,70 +121,32 @@ class CI_DB_oci8_forge extends CI_DB_forge {
* Generates a platform-specific query so that a table can be altered
* Called by add_column(), drop_column(), and column_alter(),
*
- * @access private
* @param string the ALTER type (ADD, DROP, CHANGE)
* @param string the column name
* @param string the table name
* @param string the column definition
* @param string the default value
- * @param boolean should 'NOT NULL' be added
+ * @param bool should 'NOT NULL' be added
* @param string the field after which we should add the new field
- * @return object
+ * @return string
*/
- function _alter_table($alter_type, $table, $column_name, $column_definition = '', $default_value = '', $null = '', $after_field = '')
+ protected function _alter_table($alter_type, $table, $column_name, $column_definition = '', $default_value = '', $null = '', $after_field = '')
{
- $sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table)." $alter_type ".$this->db->_protect_identifiers($column_name);
+ $sql = 'ALTER TABLE '.$this->db->protect_identifiers($table).' '.$alter_type.' '.$this->db->protect_identifiers($column_name);
// DROP has everything it needs now.
- if ($alter_type == 'DROP')
+ if ($alter_type === 'DROP')
{
return $sql;
}
- $sql .= " $column_definition";
-
- if ($default_value != '')
- {
- $sql .= " DEFAULT \"$default_value\"";
- }
-
- if ($null === NULL)
- {
- $sql .= ' NULL';
- }
- else
- {
- $sql .= ' NOT NULL';
- }
-
- if ($after_field != '')
- {
- $sql .= ' AFTER ' . $this->db->_protect_identifiers($after_field);
- }
-
- return $sql;
+ return $sql.' '.$column_definition
+ .($default_value != '' ? ' DEFAULT "'.$default_value.'"' : '')
+ .($null === NULL ? ' NULL' : ' NOT NULL')
+ .($after_field != '' ? ' AFTER '.$this->db->protect_identifiers($after_field) : '');
}
- // --------------------------------------------------------------------
-
- /**
- * Rename a table
- *
- * Generates a platform-specific query so that a table can be renamed
- *
- * @access private
- * @param string the old table name
- * @param string the new table name
- * @return string
- */
- function _rename_table($table_name, $new_table_name)
- {
- $sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table_name)." RENAME TO ".$this->db->_protect_identifiers($new_table_name);
- return $sql;
- }
-
-
}
/* End of file oci8_forge.php */
diff --git a/system/database/drivers/oci8/oci8_result.php b/system/database/drivers/oci8/oci8_result.php
index 0f69fa9ef..7b05e0a43 100644
--- a/system/database/drivers/oci8/oci8_result.php
+++ b/system/database/drivers/oci8/oci8_result.php
@@ -1,13 +1,13 @@
-<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
- * An open source application development framework for PHP 5.1.6 or newer
+ * An open source application development framework for PHP 5.2.4 or newer
*
* NOTICE OF LICENSE
- *
+ *
* Licensed under the Open Software License version 3.0
- *
+ *
* This source file is subject to the Open Software License (OSL 3.0) that is
* bundled with this package in the files license.txt / license.rst. It is
* also available through the world wide web at this URL:
@@ -25,8 +25,6 @@
* @filesource
*/
-// ------------------------------------------------------------------------
-
/**
* oci8 Result Class
*
@@ -38,31 +36,48 @@
*/
class CI_DB_oci8_result extends CI_DB_result {
- var $stmt_id;
- var $curs_id;
- var $limit_used;
+ public $stmt_id;
+ public $curs_id;
+ public $limit_used;
+ public $commit_mode;
+
+ /* Overwriting the parent here, so we have a way to know if it's
+ * already called or not:
+ */
+ public $num_rows;
+
+ public function __construct(&$driver_object)
+ {
+ parent::__construct($driver_object);
+ $this->stmt_id = $driver_object->stmt_id;
+ $this->curs_id = $driver_object->curs_id;
+ $this->limit_used = $driver_object->limit_used;
+ $this->commit_mode =& $driver_object->commit_mode;
+ $driver_object->stmt_id = FALSE;
+ }
/**
* Number of rows in the result set.
*
- * Oracle doesn't have a graceful way to retun the number of rows
+ * Oracle doesn't have a graceful way to return the number of rows
* so we have to use what amounts to a hack.
*
- *
- * @access public
- * @return integer
+ * @return int
*/
public function num_rows()
{
- if ($this->num_rows === 0 && count($this->result_array()) > 0)
+ if ( ! is_int($this->num_rows))
{
- $this->num_rows = count($this->result_array());
- @oci_execute($this->stmt_id, OCI_DEFAULT);
-
- if ($this->curs_id)
+ if (count($this->result_array) > 0)
+ {
+ return $this->num_rows = count($this->result_array);
+ }
+ elseif (count($this->result_object) > 0)
{
- @oci_execute($this->curs_id, OCI_DEFAULT);
+ return $this->num_rows = count($this->result_object);
}
+
+ return $this->num_rows = count($this->result_array());
}
return $this->num_rows;
@@ -73,20 +88,14 @@ class CI_DB_oci8_result extends CI_DB_result {
/**
* Number of fields in the result set
*
- * @access public
- * @return integer
+ * @return int
*/
public function num_fields()
{
$count = @oci_num_fields($this->stmt_id);
// if we used a limit we subtract it
- if ($this->limit_used)
- {
- $count = $count - 1;
- }
-
- return $count;
+ return ($this->limit_used) ? $count - 1 : $count;
}
// --------------------------------------------------------------------
@@ -96,7 +105,6 @@ class CI_DB_oci8_result extends CI_DB_result {
*
* Generates an array of column names
*
- * @access public
* @return array
*/
public function list_fields()
@@ -116,18 +124,17 @@ class CI_DB_oci8_result extends CI_DB_result {
*
* Generates an array of objects containing field meta-data
*
- * @access public
- * @return array
+ * @return array
*/
public function field_data()
{
$retval = array();
for ($c = 1, $fieldCount = $this->num_fields(); $c <= $fieldCount; $c++)
{
- $F = new stdClass();
- $F->name = oci_field_name($this->stmt_id, $c);
- $F->type = oci_field_type($this->stmt_id, $c);
- $F->max_length = oci_field_size($this->stmt_id, $c);
+ $F = new stdClass();
+ $F->name = oci_field_name($this->stmt_id, $c);
+ $F->type = oci_field_type($this->stmt_id, $c);
+ $F->max_length = oci_field_size($this->stmt_id, $c);
$retval[] = $F;
}
@@ -140,7 +147,7 @@ class CI_DB_oci8_result extends CI_DB_result {
/**
* Free the result
*
- * @return null
+ * @return void
*/
public function free_result()
{
@@ -149,6 +156,17 @@ class CI_DB_oci8_result extends CI_DB_result {
oci_free_statement($this->result_id);
$this->result_id = FALSE;
}
+
+ if (is_resource($this->stmt_id))
+ {
+ oci_free_statement($this->stmt_id);
+ }
+
+ if (is_resource($this->curs_id))
+ {
+ oci_cancel($this->curs_id);
+ $this->curs_id = NULL;
+ }
}
// --------------------------------------------------------------------
@@ -158,8 +176,7 @@ class CI_DB_oci8_result extends CI_DB_result {
*
* Returns the result set as an array
*
- * @access protected
- * @return array
+ * @return array
*/
protected function _fetch_assoc()
{
@@ -174,22 +191,20 @@ class CI_DB_oci8_result extends CI_DB_result {
*
* Returns the result set as an object
*
- * @access protected
- * @return object
+ * @return object
*/
protected function _fetch_object()
{
$id = ($this->curs_id) ? $this->curs_id : $this->stmt_id;
- return @oci_fetch_object($id);
+ return oci_fetch_object($id);
}
// --------------------------------------------------------------------
/**
- * Query result. "array" version.
+ * Query result. Array version.
*
- * @access public
- * @return array
+ * @return array
*/
public function result_array()
{
@@ -197,14 +212,429 @@ class CI_DB_oci8_result extends CI_DB_result {
{
return $this->result_array;
}
+ elseif (count($this->result_object) > 0)
+ {
+ for ($i = 0, $c = count($this->result_object); $i < $c; $i++)
+ {
+ $this->result_array[$i] = (array) $this->result_object[$i];
+ }
+
+ return $this->result_array;
+ }
+ elseif (is_array($this->row_data))
+ {
+ if (count($this->row_data) === 0)
+ {
+ return $this->result_array;
+ }
+ else
+ {
+ $row_index = count($this->row_data);
+ }
+ }
+ else
+ {
+ $row_index = 0;
+ $this->row_data = array();
+ }
$row = NULL;
while ($row = $this->_fetch_assoc())
{
- $this->result_array[] = $row;
+ $this->row_data[$row_index++] = $row;
}
- return $this->result_array;
+ return $this->result_array = $this->row_data;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Query result. "object" version.
+ *
+ * @return array
+ */
+ public function result_object()
+ {
+ if (count($this->result_object) > 0)
+ {
+ return $this->result_object;
+ }
+ elseif (count($this->result_array) > 0)
+ {
+ for ($i = 0, $c = count($this->result_array); $i < $c; $i++)
+ {
+ $this->result_object[] = (object) $this->result_array[$i];
+ }
+
+ return $this->result_object;
+ }
+ elseif (is_array($this->row_data))
+ {
+ if (count($this->row_data) === 0)
+ {
+ return $this->result_object;
+ }
+ else
+ {
+ $row_index = count($this->row_data);
+ for ($i = 0; $i < $row_index; $i++)
+ {
+ $this->result_object[$i] = (object) $this->row_data[$i];
+ }
+ }
+ }
+ else
+ {
+ $row_index = 0;
+ $this->row_data = array();
+ }
+
+ $row = NULL;
+ while ($row = $this->_fetch_object())
+ {
+ $this->row_data[$row_index] = (array) $row;
+ $this->result_object[$row_index++] = $row;
+ }
+
+ return $this->result_object;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Query result. Custom object version.
+ *
+ * @param string class name used to instantiate rows to
+ * @return array
+ */
+ public function custom_result_object($class_name)
+ {
+ if (isset($this->custom_result_object[$class_name]))
+ {
+ return $this->custom_result_object[$class_name];
+ }
+
+ if ( ! class_exists($class_name) OR $this->result_id === FALSE OR $this->num_rows() === 0)
+ {
+ return array();
+ }
+
+ /* Even if we didn't have result_array or result_object
+ * set prior to custom_result_object() being called,
+ * num_rows() has already done so.
+ * Pass by reference, as we don't know how
+ * large it might be and we don't want 1000 row
+ * sets being copied.
+ */
+ if (count($this->result_array) > 0)
+ {
+ $data = &$this->result_array;
+ }
+ elseif (count($this->result_object) > 0)
+ {
+ $data = &$this->result_object;
+ }
+
+ $this->custom_result_object[$class_name] = array();
+ for ($i = 0, $c = count($data); $i < $c; $i++)
+ {
+ $this->custom_result_object[$class_name][$i] = new $class_name();
+ foreach ($data[$i] as $key => $value)
+ {
+ $this->custom_result_object[$class_name][$i]->$key = $value;
+ }
+ }
+
+ return $this->custom_result_object[$class_name];
+ }
+
+ // --------------------------------------------------------------------
+
+ /* Single row result.
+ *
+ * Acts as a wrapper for row_object(), row_array()
+ * and custom_row_object(). Also used by first_row(), next_row()
+ * and previous_row().
+ *
+ * @param int row index
+ * @param string ('object', 'array' or a custom class name)
+ * @return mixed whatever was passed to the second parameter
+ */
+ public function row($n = 0, $type = 'object')
+ {
+ if ($type === 'object')
+ {
+ return $this->row_object($n);
+ }
+ elseif ($type === 'array')
+ {
+ return $this->row_array($n);
+ }
+
+ return $this->custom_row_object($n, $type);
+ }
+
+ // --------------------------------------------------------------------
+
+ /* Single row result. Array version.
+ *
+ * @param int row index
+ * @return array
+ */
+ public function row_array($n = 0)
+ {
+ // Make sure $n is not a string
+ if ( ! is_int($n))
+ {
+ $n = (int) $n;
+ }
+
+ /* If row_data is initialized, it means that we've already tried
+ * (at least) to fetch some data, so ... check if we already have
+ * this row.
+ */
+ if (is_array($this->row_data))
+ {
+ /* If we already have row_data[$n] - return it.
+ *
+ * If we enter the elseif, there's a number of reasons to
+ * return an empty array:
+ *
+ * - count($this->row_data) === 0 means there are no results
+ * - num_rows being set, result_array and/or result_object
+ * having count() > 0 means that we've already fetched all
+ * data and $n is greater than our highest row index available
+ * - $n < $this->current_row means that if such row existed,
+ * we would've already returned it, therefore $n is an
+ * invalid index
+ */
+ if (isset($this->row_data[$n])) // We already have this row
+ {
+ $this->current_row = $n;
+ return $this->row_data[$n];
+ }
+ elseif (count($this->row_data) === 0 OR is_int($this->num_rows)
+ OR count($this->result_array) > 0 OR count($this->result_object) > 0
+ OR $n < $this->current_row)
+ {
+ // No such row exists
+ return array();
+ }
+
+ // Get the next row index that would actually need to be fetched
+ $current_row = ($this->current_row < count($this->row_data)) ? count($this->row_data) : $this->current_row + 1;
+ }
+ else
+ {
+ $current_row = $this->current_row = 0;
+ $this->row_data = array();
+ }
+
+ /* Fetch more data, if available
+ *
+ * NOTE: Operator precedence is important here, if you change
+ * 'AND' with '&&' - it WILL BREAK the results, as
+ * $row will be assigned the scalar value of both
+ * expressions!
+ */
+ while ($row = $this->_fetch_assoc() AND $current_row <= $n)
+ {
+ $this->row_data[$current_row++] = $row;
+ }
+
+ // This would mean that there's no (more) data to fetch
+ if ( ! is_array($this->row_data) OR ! isset($this->row_data[$n]))
+ {
+ // Cache what we already have
+ if (is_array($this->row_data))
+ {
+ $this->num_rows = count($this->row_data);
+ /* Usually, row_data could have less elements than result_array,
+ * but at this point - they should be exactly the same.
+ */
+ $this->result_array = $this->row_data;
+ }
+ else
+ {
+ $this->num_rows = 0;
+ }
+
+ return array();
+ }
+
+ $this->current_row = $n;
+ return $this->row_data[$n];
+ }
+
+ // --------------------------------------------------------------------
+
+ /* Single row result. Object version.
+ *
+ * @param int row index
+ * @return mixed object if row found; empty array if not
+ */
+ public function row_object($n = 0)
+ {
+ // Make sure $n is not a string
+ if ( ! is_int($n))
+ {
+ $n = (int) $n;
+ }
+ /* Logic here is exactly the same as in row_array,
+ * except we have to cast row_data[$n] to an object.
+ *
+ * If we already have result_object though - we can
+ * directly return from it.
+ */
+ if (isset($this->result_object[$n]))
+ {
+ $this->current_row = $n;
+ // Set this, if not already done.
+ if ( ! is_int($this->num_rows))
+ {
+ $this->num_rows = count($this->result_object);
+ }
+
+ return $this->result_object[$n];
+ }
+
+ $row = $this->row_array($n);
+ // Cast only if the row exists
+ if (count($row) > 0)
+ {
+ $this->current_row = $n;
+ return (object) $row;
+ }
+
+ return array();
+ }
+
+ // --------------------------------------------------------------------
+
+ /* Single row result. Custom object version.
+ *
+ * @param int row index
+ * @param string custom class name
+ * @return mixed custom object if row found; empty array otherwise
+ */
+ public function custom_row_object($n = 0, $class_name)
+ {
+ // Make sure $n is not a string
+ if ( ! is_int($n))
+ {
+ $n = (int) $n;
+ }
+
+ if (array_key_exists($class_name, $this->custom_result_object))
+ {
+ /* We already have a the whole result set with this class_name,
+ * return the specified row if it exists, and an empty array if
+ * it doesn't.
+ */
+ if (isset($this->custom_result_object[$class_name][$n]))
+ {
+ $this->current_row = $n;
+ return $this->custom_result_object[$class_name][$n];
+ }
+ else
+ {
+ return array();
+ }
+ }
+ elseif ( ! class_exists($class_name)) // No such class exists
+ {
+ return array();
+ }
+
+ $row = $this->row_array($n);
+ // An array would mean that the row doesn't exist
+ if (is_array($row))
+ {
+ return $row;
+ }
+
+ // Convert to the desired class and return
+ $row_object = new $class_name();
+ foreach ($row as $key => $value)
+ {
+ $row_object->$key = $value;
+ }
+
+ $this->current_row = $n;
+ return $row_object;
+ }
+
+ // --------------------------------------------------------------------
+
+ /* First row result.
+ *
+ * @param string ('object', 'array' or a custom class name)
+ * @return mixed whatever was passed to the second parameter
+ */
+ public function first_row($type = 'object')
+ {
+ return $this->row(0, $type);
+ }
+
+ // --------------------------------------------------------------------
+
+ /* Last row result.
+ *
+ * @param string ('object', 'array' or a custom class name)
+ * @return mixed whatever was passed to the second parameter
+ */
+ public function last_row($type = 'object')
+ {
+ $result = &$this->result($type);
+ if ( ! isset($this->num_rows))
+ {
+ $this->num_rows = count($result);
+ }
+ $this->current_row = $this->num_rows - 1;
+ return $result[$this->current_row];
+ }
+
+ // --------------------------------------------------------------------
+
+ /* Next row result.
+ *
+ * @param string ('object', 'array' or a custom class name)
+ * @return mixed whatever was passed to the second parameter
+ */
+ public function next_row($type = 'object')
+ {
+ if (is_array($this->row_data))
+ {
+ $count = count($this->row_data);
+ if ($this->current_row > $count OR ($this->current_row === 0 && $count === 0))
+ {
+ $n = $count;
+ }
+ else
+ {
+ $n = $this->current_row + 1;
+ }
+ }
+ else
+ {
+ $n = 0;
+ }
+
+ return $this->row($n, $type);
+ }
+
+ // --------------------------------------------------------------------
+
+ /* Previous row result.
+ *
+ * @param string ('object', 'array' or a custom class name)
+ * @return mixed whatever was passed to the second parameter
+ */
+ public function previous_row($type = 'object')
+ {
+ $n = ($this->current_row !== 0) ? $this->current_row - 1 : 0;
+ return $this->row($n, $type);
}
// --------------------------------------------------------------------
@@ -212,20 +642,59 @@ class CI_DB_oci8_result extends CI_DB_result {
/**
* Data Seek
*
- * Moves the internal pointer to the desired offset. We call
+ * Moves the internal pointer to the desired offset. We call
* this internally before fetching results to make sure the
- * result set starts at zero
+ * result set starts at zero.
*
- * @access protected
- * @return array
+ * Oracle's PHP extension doesn't have an easy way of doing this
+ * and the only workaround is to (re)execute the statement or cursor
+ * in order to go to the first (zero) index of the result set.
+ * Then, we would need to "dummy" fetch ($n - 1) rows to get to the
+ * right one.
+ *
+ * This is as ridiculous as it sounds and it's the reason why every
+ * other method that is fetching data tries to use an already "cached"
+ * result set. Keeping this just in case it becomes needed at
+ * some point in the future, but it will only work for resetting the
+ * pointer to zero.
+ *
+ * @return bool
*/
- protected function _data_seek($n = 0)
+ protected function _data_seek()
{
- return FALSE; // Not needed
+ /* The PHP manual says that if OCI_NO_AUTO_COMMIT mode
+ * is used, and oci_rollback() and/or oci_commit() are
+ * not subsequently called - this will cause an unnecessary
+ * rollback to be triggered at the end of the script execution.
+ *
+ * Therefore we'll try to avoid using that mode flag
+ * if we're not currently in the middle of a transaction.
+ */
+ if ($this->commit_mode !== OCI_COMMIT_ON_SUCCESS)
+ {
+ $result = @oci_execute($this->stmt_id, $this->commit_mode);
+ }
+ else
+ {
+ $result = @oci_execute($this->stmt_id);
+ }
+
+ if ($result && $this->curs_id)
+ {
+ if ($this->commit_mode !== OCI_COMMIT_ON_SUCCESS)
+ {
+ return @oci_execute($this->curs_id, $this->commit_mode);
+ }
+ else
+ {
+ return @oci_execute($this->curs_id);
+ }
+ }
+
+ return $result;
}
}
-
/* End of file oci8_result.php */
-/* Location: ./system/database/drivers/oci8/oci8_result.php */
+/* Location: ./system/database/drivers/oci8/oci8_result.php */ \ No newline at end of file
diff --git a/system/database/drivers/oci8/oci8_utility.php b/system/database/drivers/oci8/oci8_utility.php
index d60f98bc4..0183eda26 100644
--- a/system/database/drivers/oci8/oci8_utility.php
+++ b/system/database/drivers/oci8/oci8_utility.php
@@ -1,13 +1,13 @@
-<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
- * An open source application development framework for PHP 5.1.6 or newer
+ * An open source application development framework for PHP 5.2.4 or newer
*
* NOTICE OF LICENSE
- *
+ *
* Licensed under the Open Software License version 3.0
- *
+ *
* This source file is subject to the Open Software License (OSL 3.0) that is
* bundled with this package in the files license.txt / license.rst. It is
* also available through the world wide web at this URL:
@@ -25,8 +25,6 @@
* @filesource
*/
-// ------------------------------------------------------------------------
-
/**
* Oracle Utility Class
*
@@ -36,63 +34,20 @@
*/
class CI_DB_oci8_utility extends CI_DB_utility {
- /**
- * List databases
- *
- * @access private
- * @return bool
- */
- function _list_databases()
- {
- return FALSE;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Optimize table query
- *
- * Generates a platform-specific query so that a table can be optimized
- *
- * @access private
- * @param string the table name
- * @return object
- */
- function _optimize_table($table)
- {
- return FALSE; // Is this supported in Oracle?
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Repair table query
- *
- * Generates a platform-specific query so that a table can be repaired
- *
- * @access private
- * @param string the table name
- * @return object
- */
- function _repair_table($table)
- {
- return FALSE; // Is this supported in Oracle?
- }
-
- // --------------------------------------------------------------------
+ protected $_list_databases = 'SELECT username FROM dba_users'; // Schemas are actual usernames
/**
* Oracle Export
*
- * @access private
* @param array Preferences
* @return mixed
*/
- function _backup($params = array())
+ protected function _backup($params = array())
{
// Currently unsupported
return $this->db->display_error('db_unsuported_feature');
}
+
}
/* End of file oci8_utility.php */
diff --git a/system/database/drivers/odbc/odbc_driver.php b/system/database/drivers/odbc/odbc_driver.php
index 6ba39f0cd..38416cf90 100644
--- a/system/database/drivers/odbc/odbc_driver.php
+++ b/system/database/drivers/odbc/odbc_driver.php
@@ -1,13 +1,13 @@
-<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
- * An open source application development framework for PHP 5.1.6 or newer
+ * An open source application development framework for PHP 5.2.4 or newer
*
* NOTICE OF LICENSE
- *
+ *
* Licensed under the Open Software License version 3.0
- *
+ *
* This source file is subject to the Open Software License (OSL 3.0) that is
* bundled with this package in the files license.txt / license.rst. It is
* also available through the world wide web at this URL:
@@ -25,8 +25,6 @@
* @filesource
*/
-// ------------------------------------------------------------------------
-
/**
* ODBC Database Adapter Class
*
@@ -42,40 +40,44 @@
*/
class CI_DB_odbc_driver extends CI_DB {
- var $dbdriver = 'odbc';
+ public $dbdriver = 'odbc';
// the character used to excape - not necessary for ODBC
- var $_escape_char = '';
+ protected $_escape_char = '';
// clause and character used for LIKE escape sequences
- var $_like_escape_str = " {escape '%s'} ";
- var $_like_escape_chr = '!';
+ protected $_like_escape_str = " {escape '%s'} ";
+ protected $_like_escape_chr = '!';
/**
* The syntax to count rows is slightly different across different
* database engines, so this string appears in each driver and is
* used for the count_all() and count_all_results() functions.
*/
- var $_count_string = "SELECT COUNT(*) AS ";
- var $_random_keyword;
+ protected $_count_string = 'SELECT COUNT(*) AS ';
+ protected $_random_keyword;
-
- function __construct($params)
+ public function __construct($params)
{
parent::__construct($params);
$this->_random_keyword = ' RND('.time().')'; // database specific random keyword
+
+ // Legacy support for DSN in the hostname field
+ if ($this->dsn == '')
+ {
+ $this->dsn = $this->hostname;
+ }
}
/**
* Non-persistent database connection
*
- * @access private called by the base class
* @return resource
*/
- function db_connect()
+ public function db_connect()
{
- return @odbc_connect($this->hostname, $this->username, $this->password);
+ return @odbc_connect($this->dsn, $this->username, $this->password);
}
// --------------------------------------------------------------------
@@ -83,71 +85,11 @@ class CI_DB_odbc_driver extends CI_DB {
/**
* Persistent database connection
*
- * @access private called by the base class
- * @return resource
- */
- function db_pconnect()
- {
- return @odbc_pconnect($this->hostname, $this->username, $this->password);
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Reconnect
- *
- * Keep / reestablish the db connection if no queries have been
- * sent for a length of time exceeding the server's idle timeout
- *
- * @access public
- * @return void
- */
- function reconnect()
- {
- // not implemented in odbc
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Select the database
- *
- * @access private called by the base class
- * @return resource
- */
- function db_select()
- {
- // Not needed for ODBC
- return TRUE;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Set client character set
- *
- * @access public
- * @param string
- * @param string
* @return resource
*/
- function db_set_charset($charset, $collation)
+ public function db_pconnect()
{
- // @todo - add support if needed
- return TRUE;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Version number query string
- *
- * @access public
- * @return string
- */
- function _version()
- {
- return "SELECT version() AS ver";
+ return @odbc_pconnect($this->dsn, $this->username, $this->password);
}
// --------------------------------------------------------------------
@@ -155,41 +97,22 @@ class CI_DB_odbc_driver extends CI_DB {
/**
* Execute the query
*
- * @access private called by the base class
* @param string an SQL query
* @return resource
*/
- function _execute($sql)
+ protected function _execute($sql)
{
- $sql = $this->_prep_query($sql);
return @odbc_exec($this->conn_id, $sql);
}
// --------------------------------------------------------------------
/**
- * Prep the query
- *
- * If needed, each database adapter can prep the query string
- *
- * @access private called by execute()
- * @param string an SQL query
- * @return string
- */
- function _prep_query($sql)
- {
- return $sql;
- }
-
- // --------------------------------------------------------------------
-
- /**
* Begin Transaction
*
- * @access public
* @return bool
*/
- function trans_begin($test_mode = FALSE)
+ public function trans_begin($test_mode = FALSE)
{
if ( ! $this->trans_enabled)
{
@@ -215,10 +138,9 @@ class CI_DB_odbc_driver extends CI_DB {
/**
* Commit Transaction
*
- * @access public
* @return bool
*/
- function trans_commit()
+ public function trans_commit()
{
if ( ! $this->trans_enabled)
{
@@ -241,10 +163,9 @@ class CI_DB_odbc_driver extends CI_DB {
/**
* Rollback Transaction
*
- * @access public
* @return bool
*/
- function trans_rollback()
+ public function trans_rollback()
{
if ( ! $this->trans_enabled)
{
@@ -267,12 +188,11 @@ class CI_DB_odbc_driver extends CI_DB {
/**
* Escape String
*
- * @access public
* @param string
* @param bool whether or not the string will be used in a LIKE condition
* @return string
*/
- function escape_str($str, $like = FALSE)
+ public function escape_str($str, $like = FALSE)
{
if (is_array($str))
{
@@ -290,9 +210,9 @@ class CI_DB_odbc_driver extends CI_DB {
// escape LIKE condition wildcards
if ($like === TRUE)
{
- $str = str_replace( array('%', '_', $this->_like_escape_chr),
- array($this->_like_escape_chr.'%', $this->_like_escape_chr.'_', $this->_like_escape_chr.$this->_like_escape_chr),
- $str);
+ return str_replace(array($this->_like_escape_chr, '%', '_'),
+ array($this->_like_escape_chr.$this->_like_escape_chr, $this->_like_escape_chr.'%', $this->_like_escape_chr.'_'),
+ $str);
}
return $str;
@@ -303,10 +223,9 @@ class CI_DB_odbc_driver extends CI_DB {
/**
* Affected Rows
*
- * @access public
- * @return integer
+ * @return int
*/
- function affected_rows()
+ public function affected_rows()
{
return @odbc_num_rows($this->conn_id);
}
@@ -316,12 +235,11 @@ class CI_DB_odbc_driver extends CI_DB {
/**
* Insert ID
*
- * @access public
- * @return integer
+ * @return bool
*/
- function insert_id()
+ public function insert_id()
{
- return @odbc_insert_id($this->conn_id);
+ return ($this->db->db_debug) ? $this->db->display_error('db_unsuported_feature') : FALSE;
}
// --------------------------------------------------------------------
@@ -332,18 +250,17 @@ class CI_DB_odbc_driver extends CI_DB {
* Generates a platform-specific query string that counts all records in
* the specified database
*
- * @access public
* @param string
* @return string
*/
- function count_all($table = '')
+ public function count_all($table = '')
{
if ($table == '')
{
return 0;
}
- $query = $this->query($this->_count_string . $this->_protect_identifiers('numrows') . " FROM " . $this->_protect_identifiers($table, TRUE, NULL, FALSE));
+ $query = $this->query($this->_count_string . $this->protect_identifiers('numrows') . " FROM " . $this->protect_identifiers($table, TRUE, NULL, FALSE));
if ($query->num_rows() == 0)
{
@@ -362,11 +279,10 @@ class CI_DB_odbc_driver extends CI_DB {
*
* Generates a platform-specific query string so that the table names can be fetched
*
- * @access private
- * @param boolean
+ * @param bool
* @return string
*/
- function _list_tables($prefix_limit = FALSE)
+ protected function _list_tables($prefix_limit = FALSE)
{
$sql = "SHOW TABLES FROM `".$this->database."`";
@@ -386,11 +302,10 @@ class CI_DB_odbc_driver extends CI_DB {
*
* Generates a platform-specific query string so that the column names can be fetched
*
- * @access public
* @param string the table name
* @return string
*/
- function _list_columns($table = '')
+ protected function _list_columns($table = '')
{
return "SHOW COLUMNS FROM ".$table;
}
@@ -402,81 +317,27 @@ class CI_DB_odbc_driver extends CI_DB {
*
* Generates a platform-specific query so that the column data can be retrieved
*
- * @access public
* @param string the table name
- * @return object
- */
- function _field_data($table)
- {
- return "SELECT TOP 1 FROM ".$table;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * The error message string
- *
- * @access private
* @return string
*/
- function _error_message()
+ protected function _field_data($table)
{
- return odbc_errormsg($this->conn_id);
- }
-
- // --------------------------------------------------------------------
-
- /**
- * The error message number
- *
- * @access private
- * @return integer
- */
- function _error_number()
- {
- return odbc_error($this->conn_id);
+ return "SELECT TOP 1 FROM ".$table;
}
// --------------------------------------------------------------------
/**
- * Escape the SQL Identifiers
+ * Error
*
- * This function escapes column and table names
+ * Returns an array containing code and message of the last
+ * database error that has occured.
*
- * @access private
- * @param string
- * @return string
+ * @return array
*/
- function _escape_identifiers($item)
+ public function error()
{
- if ($this->_escape_char == '')
- {
- return $item;
- }
-
- foreach ($this->_reserved_identifiers as $id)
- {
- if (strpos($item, '.'.$id) !== FALSE)
- {
- $str = $this->_escape_char. str_replace('.', $this->_escape_char.'.', $item);
-
- // remove duplicates if the user already included the escape
- return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $str);
- }
- }
-
- if (strpos($item, '.') !== FALSE)
- {
- $str = $this->_escape_char.str_replace('.', $this->_escape_char.'.'.$this->_escape_char, $item).$this->_escape_char;
- }
- else
- {
- $str = $this->_escape_char.$item.$this->_escape_char;
- }
-
- // remove duplicates if the user already included the escape
- return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $str);
+ return array('code' => odbc_error($this->conn_id), 'message' => odbc_errormsg($this->conn_id));
}
// --------------------------------------------------------------------
@@ -487,11 +348,10 @@ class CI_DB_odbc_driver extends CI_DB {
* This function implicitly groups FROM tables so there is no confusion
* about operator precedence in harmony with SQL standards
*
- * @access public
- * @param type
- * @return type
+ * @param array
+ * @return string
*/
- function _from_tables($tables)
+ protected function _from_tables($tables)
{
if ( ! is_array($tables))
{
@@ -504,107 +364,19 @@ class CI_DB_odbc_driver extends CI_DB {
// --------------------------------------------------------------------
/**
- * Insert statement
- *
- * Generates a platform-specific insert string from the supplied data
- *
- * @access public
- * @param string the table name
- * @param array the insert keys
- * @param array the insert values
- * @return string
- */
- function _insert($table, $keys, $values)
- {
- return "INSERT INTO ".$table." (".implode(', ', $keys).") VALUES (".implode(', ', $values).")";
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Update statement
- *
- * Generates a platform-specific update string from the supplied data
- *
- * @access public
- * @param string the table name
- * @param array the update data
- * @param array the where clause
- * @param array the orderby clause
- * @param array the limit clause
- * @return string
- */
- function _update($table, $values, $where, $orderby = array(), $limit = FALSE)
- {
- foreach ($values as $key => $val)
- {
- $valstr[] = $key." = ".$val;
- }
-
- $limit = ( ! $limit) ? '' : ' LIMIT '.$limit;
-
- $orderby = (count($orderby) >= 1)?' ORDER BY '.implode(", ", $orderby):'';
-
- $sql = "UPDATE ".$table." SET ".implode(', ', $valstr);
-
- $sql .= ($where != '' AND count($where) >=1) ? " WHERE ".implode(" ", $where) : '';
-
- $sql .= $orderby.$limit;
-
- return $sql;
- }
-
-
- // --------------------------------------------------------------------
-
- /**
* Truncate statement
*
* Generates a platform-specific truncate string from the supplied data
- * If the database does not support the truncate() command
- * This function maps to "DELETE FROM table"
- *
- * @access public
- * @param string the table name
- * @return string
- */
- function _truncate($table)
- {
- return $this->_delete($table);
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Delete statement
*
- * Generates a platform-specific delete string from the supplied data
+ * If the database does not support the truncate() command,
+ * then this method maps to 'DELETE FROM table'
*
- * @access public
* @param string the table name
- * @param array the where clause
- * @param string the limit clause
* @return string
*/
- function _delete($table, $where = array(), $like = array(), $limit = FALSE)
+ protected function _truncate($table)
{
- $conditions = '';
-
- if (count($where) > 0 OR count($like) > 0)
- {
- $conditions = "\nWHERE ";
- $conditions .= implode("\n", $this->ar_where);
-
- if (count($where) > 0 && count($like) > 0)
- {
- $conditions .= " AND ";
- }
- $conditions .= implode("\n", $like);
- }
-
- $limit = ( ! $limit) ? '' : ' LIMIT '.$limit;
-
- return "DELETE FROM ".$table.$conditions.$limit;
+ return 'DELETE FROM '.$table;
}
// --------------------------------------------------------------------
@@ -614,13 +386,12 @@ class CI_DB_odbc_driver extends CI_DB {
*
* Generates a platform-specific LIMIT clause
*
- * @access public
* @param string the sql query string
- * @param integer the number of rows to limit the query to
- * @param integer the offset value
+ * @param int the number of rows to limit the query to
+ * @param int the offset value
* @return string
*/
- function _limit($sql, $limit, $offset)
+ protected function _limit($sql, $limit, $offset)
{
// Does ODBC doesn't use the LIMIT clause?
return $sql;
@@ -631,19 +402,15 @@ class CI_DB_odbc_driver extends CI_DB {
/**
* Close DB Connection
*
- * @access public
* @param resource
* @return void
*/
- function _close($conn_id)
+ protected function _close($conn_id)
{
@odbc_close($conn_id);
}
-
}
-
-
/* End of file odbc_driver.php */
/* Location: ./system/database/drivers/odbc/odbc_driver.php */ \ No newline at end of file
diff --git a/system/database/drivers/odbc/odbc_forge.php b/system/database/drivers/odbc/odbc_forge.php
index e0ec687c8..d59b8a911 100644
--- a/system/database/drivers/odbc/odbc_forge.php
+++ b/system/database/drivers/odbc/odbc_forge.php
@@ -1,13 +1,13 @@
-<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
- * An open source application development framework for PHP 5.1.6 or newer
+ * An open source application development framework for PHP 5.2.4 or newer
*
* NOTICE OF LICENSE
- *
+ *
* Licensed under the Open Software License version 3.0
- *
+ *
* This source file is subject to the Open Software License (OSL 3.0) that is
* bundled with this package in the files license.txt / license.rst. It is
* also available through the world wide web at this URL:
@@ -25,8 +25,6 @@
* @filesource
*/
-// ------------------------------------------------------------------------
-
/**
* ODBC Forge Class
*
@@ -36,58 +34,20 @@
*/
class CI_DB_odbc_forge extends CI_DB_forge {
- /**
- * Create database
- *
- * @access private
- * @param string the database name
- * @return bool
- */
- function _create_database()
- {
- // ODBC has no "create database" command since it's
- // designed to connect to an existing database
- if ($this->db->db_debug)
- {
- return $this->db->display_error('db_unsuported_feature');
- }
- return FALSE;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Drop database
- *
- * @access private
- * @param string the database name
- * @return bool
- */
- function _drop_database($name)
- {
- // ODBC has no "drop database" command since it's
- // designed to connect to an existing database
- if ($this->db->db_debug)
- {
- return $this->db->display_error('db_unsuported_feature');
- }
- return FALSE;
- }
-
- // --------------------------------------------------------------------
+ protected $_drop_database = 'DROP DATABASE %s';
+ protected $_drop_table = 'DROP TABLE %s';
/**
* Create Table
*
- * @access private
* @param string the table name
* @param array the fields
* @param mixed primary key(s)
* @param mixed key(s)
- * @param boolean should 'IF NOT EXISTS' be added to the SQL
+ * @param bool should 'IF NOT EXISTS' be added to the SQL
* @return bool
*/
- function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists)
+ protected function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists)
{
$sql = 'CREATE TABLE ';
@@ -96,10 +56,10 @@ class CI_DB_odbc_forge extends CI_DB_forge {
$sql .= 'IF NOT EXISTS ';
}
- $sql .= $this->db->_escape_identifiers($table)." (";
+ $sql .= $this->db->escape_identifiers($table).' (';
$current_field_count = 0;
- foreach ($fields as $field=>$attributes)
+ foreach ($fields as $field => $attributes)
{
// Numeric field names aren't allowed in databases, so if the key is
// numeric, we know it was assigned by PHP and the developer manually
@@ -112,7 +72,7 @@ class CI_DB_odbc_forge extends CI_DB_forge {
{
$attributes = array_change_key_case($attributes, CASE_UPPER);
- $sql .= "\n\t".$this->db->_protect_identifiers($field);
+ $sql .= "\n\t".$this->db->protect_identifiers($field);
$sql .= ' '.$attributes['TYPE'];
@@ -155,7 +115,7 @@ class CI_DB_odbc_forge extends CI_DB_forge {
if (count($primary_keys) > 0)
{
- $primary_keys = $this->db->_protect_identifiers($primary_keys);
+ $primary_keys = $this->db->protect_identifiers($primary_keys);
$sql .= ",\n\tPRIMARY KEY (" . implode(', ', $primary_keys) . ")";
}
@@ -165,11 +125,11 @@ class CI_DB_odbc_forge extends CI_DB_forge {
{
if (is_array($key))
{
- $key = $this->db->_protect_identifiers($key);
+ $key = $this->db->protect_identifiers($key);
}
else
{
- $key = array($this->db->_protect_identifiers($key));
+ $key = array($this->db->protect_identifiers($key));
}
$sql .= ",\n\tFOREIGN KEY (" . implode(', ', $key) . ")";
@@ -184,42 +144,23 @@ class CI_DB_odbc_forge extends CI_DB_forge {
// --------------------------------------------------------------------
/**
- * Drop Table
- *
- * @access private
- * @return bool
- */
- function _drop_table($table)
- {
- // Not a supported ODBC feature
- if ($this->db->db_debug)
- {
- return $this->db->display_error('db_unsuported_feature');
- }
- return FALSE;
- }
-
- // --------------------------------------------------------------------
-
- /**
* Alter table query
*
* Generates a platform-specific query so that a table can be altered
* Called by add_column(), drop_column(), and column_alter(),
*
- * @access private
* @param string the ALTER type (ADD, DROP, CHANGE)
* @param string the column name
* @param string the table name
* @param string the column definition
* @param string the default value
- * @param boolean should 'NOT NULL' be added
+ * @param bool should 'NOT NULL' be added
* @param string the field after which we should add the new field
- * @return object
+ * @return string
*/
- function _alter_table($alter_type, $table, $column_name, $column_definition = '', $default_value = '', $null = '', $after_field = '')
+ protected function _alter_table($alter_type, $table, $column_name, $column_definition = '', $default_value = '', $null = '', $after_field = '')
{
- $sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table)." $alter_type ".$this->db->_protect_identifiers($column_name);
+ $sql = 'ALTER TABLE '.$this->db->protect_identifiers($table).' '.$alter_type.' '.$this->db->protect_identifiers($column_name);
// DROP has everything it needs now.
if ($alter_type == 'DROP')
@@ -245,33 +186,13 @@ class CI_DB_odbc_forge extends CI_DB_forge {
if ($after_field != '')
{
- $sql .= ' AFTER ' . $this->db->_protect_identifiers($after_field);
+ return $sql.' AFTER '.$this->db->protect_identifiers($after_field);
}
return $sql;
}
-
- // --------------------------------------------------------------------
-
- /**
- * Rename a table
- *
- * Generates a platform-specific query so that a table can be renamed
- *
- * @access private
- * @param string the old table name
- * @param string the new table name
- * @return string
- */
- function _rename_table($table_name, $new_table_name)
- {
- $sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table_name)." RENAME TO ".$this->db->_protect_identifiers($new_table_name);
- return $sql;
- }
-
-
}
/* End of file odbc_forge.php */
diff --git a/system/database/drivers/odbc/odbc_result.php b/system/database/drivers/odbc/odbc_result.php
index ba660856e..ecba5977e 100644
--- a/system/database/drivers/odbc/odbc_result.php
+++ b/system/database/drivers/odbc/odbc_result.php
@@ -1,13 +1,13 @@
-<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
- * An open source application development framework for PHP 5.1.6 or newer
+ * An open source application development framework for PHP 5.2.4 or newer
*
* NOTICE OF LICENSE
- *
+ *
* Licensed under the Open Software License version 3.0
- *
+ *
* This source file is subject to the Open Software License (OSL 3.0) that is
* bundled with this package in the files license.txt / license.rst. It is
* also available through the world wide web at this URL:
@@ -25,8 +25,6 @@
* @filesource
*/
-// ------------------------------------------------------------------------
-
/**
* ODBC Result Class
*
@@ -38,15 +36,27 @@
*/
class CI_DB_odbc_result extends CI_DB_result {
+ public $num_rows;
+
/**
* Number of rows in the result set
*
- * @access public
- * @return integer
+ * @return int
*/
- function num_rows()
+ public function num_rows()
{
- return @odbc_num_rows($this->result_id);
+ if (is_int($this->num_rows))
+ {
+ return $this->num_rows;
+ }
+
+ // Work-around for ODBC subdrivers that don't support num_rows()
+ if (($this->num_rows = @odbc_num_rows($this->result_id)) === -1)
+ {
+ $this->num_rows = count($this->result_array());
+ }
+
+ return $this->num_rows;
}
// --------------------------------------------------------------------
@@ -54,10 +64,9 @@ class CI_DB_odbc_result extends CI_DB_result {
/**
* Number of fields in the result set
*
- * @access public
- * @return integer
+ * @return int
*/
- function num_fields()
+ public function num_fields()
{
return @odbc_num_fields($this->result_id);
}
@@ -69,15 +78,19 @@ class CI_DB_odbc_result extends CI_DB_result {
*
* Generates an array of column names
*
- * @access public
* @return array
*/
- function list_fields()
+ public function list_fields()
{
$field_names = array();
- for ($i = 0; $i < $this->num_fields(); $i++)
+ $num_fields = $this->num_fields();
+
+ if ($num_fields > 0)
{
- $field_names[] = odbc_field_name($this->result_id, $i);
+ for ($i = 1; $i <= $num_fields; $i++)
+ {
+ $field_names[] = odbc_field_name($this->result_id, $i);
+ }
}
return $field_names;
@@ -90,22 +103,19 @@ class CI_DB_odbc_result extends CI_DB_result {
*
* Generates an array of objects containing field meta-data
*
- * @access public
* @return array
*/
- function field_data()
+ public function field_data()
{
$retval = array();
- for ($i = 0; $i < $this->num_fields(); $i++)
+ for ($i = 0, $odbc_index = 1, $c = $this->num_fields(); $i < $c; $i++, $odbc_index++)
{
- $F = new stdClass();
- $F->name = odbc_field_name($this->result_id, $i);
- $F->type = odbc_field_type($this->result_id, $i);
- $F->max_length = odbc_field_len($this->result_id, $i);
- $F->primary_key = 0;
- $F->default = '';
-
- $retval[] = $F;
+ $retval[$i] = new stdClass();
+ $retval[$i]->name = odbc_field_name($this->result_id, $odbc_index);
+ $retval[$i]->type = odbc_field_type($this->result_id, $odbc_index);
+ $retval[$i]->max_length = odbc_field_len($this->result_id, $odbc_index);
+ $retval[$i]->primary_key = 0;
+ $retval[$i]->default = '';
}
return $retval;
@@ -116,9 +126,9 @@ class CI_DB_odbc_result extends CI_DB_result {
/**
* Free the result
*
- * @return null
+ * @return void
*/
- function free_result()
+ public function free_result()
{
if (is_resource($this->result_id))
{
@@ -130,33 +140,15 @@ class CI_DB_odbc_result extends CI_DB_result {
// --------------------------------------------------------------------
/**
- * Data Seek
- *
- * Moves the internal pointer to the desired offset. We call
- * this internally before fetching results to make sure the
- * result set starts at zero
- *
- * @access private
- * @return array
- */
- function _data_seek($n = 0)
- {
- return FALSE;
- }
-
- // --------------------------------------------------------------------
-
- /**
* Result - associative array
*
* Returns the result set as an array
*
- * @access private
* @return array
*/
- function _fetch_assoc()
+ protected function _fetch_assoc()
{
- if (function_exists('odbc_fetch_object'))
+ if (function_exists('odbc_fetch_array'))
{
return odbc_fetch_array($this->result_id);
}
@@ -173,10 +165,9 @@ class CI_DB_odbc_result extends CI_DB_result {
*
* Returns the result set as an object
*
- * @access private
* @return object
*/
- function _fetch_object()
+ protected function _fetch_object()
{
if (function_exists('odbc_fetch_object'))
{
@@ -188,6 +179,7 @@ class CI_DB_odbc_result extends CI_DB_result {
}
}
+ // --------------------------------------------------------------------
/**
* Result - object
@@ -195,21 +187,24 @@ class CI_DB_odbc_result extends CI_DB_result {
* subsititutes the odbc_fetch_object function when
* not available (odbc_fetch_object requires unixODBC)
*
- * @access private
* @return object
*/
- function _odbc_fetch_object(& $odbc_result) {
+ protected function _odbc_fetch_object(& $odbc_result)
+ {
$rs = array();
$rs_obj = FALSE;
- if (odbc_fetch_into($odbc_result, $rs)) {
- foreach ($rs as $k=>$v) {
- $field_name= odbc_field_name($odbc_result, $k+1);
+ if (odbc_fetch_into($odbc_result, $rs))
+ {
+ foreach ($rs as $k => $v)
+ {
+ $field_name = odbc_field_name($odbc_result, $k+1);
$rs_obj->$field_name = $v;
}
}
return $rs_obj;
}
+ // --------------------------------------------------------------------
/**
* Result - array
@@ -217,24 +212,95 @@ class CI_DB_odbc_result extends CI_DB_result {
* subsititutes the odbc_fetch_array function when
* not available (odbc_fetch_array requires unixODBC)
*
- * @access private
* @return array
*/
- function _odbc_fetch_array(& $odbc_result) {
+ protected function _odbc_fetch_array(& $odbc_result)
+ {
$rs = array();
$rs_assoc = FALSE;
- if (odbc_fetch_into($odbc_result, $rs)) {
- $rs_assoc=array();
- foreach ($rs as $k=>$v) {
- $field_name= odbc_field_name($odbc_result, $k+1);
+ if (odbc_fetch_into($odbc_result, $rs))
+ {
+ $rs_assoc = array();
+ foreach ($rs as $k => $v)
+ {
+ $field_name = odbc_field_name($odbc_result, $k+1);
$rs_assoc[$field_name] = $v;
}
}
return $rs_assoc;
}
-}
+ // --------------------------------------------------------------------
+ /**
+ * Query result. Array version.
+ *
+ * @return array
+ */
+ public function result_array()
+ {
+ if (count($this->result_array) > 0)
+ {
+ return $this->result_array;
+ }
+ elseif (($c = count($this->result_object)) > 0)
+ {
+ for ($i = 0; $i < $c; $i++)
+ {
+ $this->result_array[$i] = (array) $this->result_object[$i];
+ }
+ }
+ elseif ($this->result_id === FALSE)
+ {
+ return array();
+ }
+ else
+ {
+ while ($row = $this->_fetch_assoc())
+ {
+ $this->result_array[] = $row;
+ }
+ }
+
+ return $this->result_array;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Query result. Object version.
+ *
+ * @return array
+ */
+ public function result_object()
+ {
+ if (count($this->result_object) > 0)
+ {
+ return $this->result_object;
+ }
+ elseif (($c = count($this->result_array)) > 0)
+ {
+ for ($i = 0; $i < $c; $i++)
+ {
+ $this->result_object[$i] = (object) $this->result_array[$i];
+ }
+ }
+ elseif ($this->result_id === FALSE)
+ {
+ return array();
+ }
+ else
+ {
+ while ($row = $this->_fetch_object())
+ {
+ $this->result_object[] = $row;
+ }
+ }
+
+ return $this->result_object;
+ }
+
+}
/* End of file odbc_result.php */
/* Location: ./system/database/drivers/odbc/odbc_result.php */ \ No newline at end of file
diff --git a/system/database/drivers/odbc/odbc_utility.php b/system/database/drivers/odbc/odbc_utility.php
index bae3fe853..224d48d2b 100644
--- a/system/database/drivers/odbc/odbc_utility.php
+++ b/system/database/drivers/odbc/odbc_utility.php
@@ -1,13 +1,13 @@
-<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
- * An open source application development framework for PHP 5.1.6 or newer
+ * An open source application development framework for PHP 5.2.4 or newer
*
* NOTICE OF LICENSE
- *
+ *
* Licensed under the Open Software License version 3.0
- *
+ *
* This source file is subject to the Open Software License (OSL 3.0) that is
* bundled with this package in the files license.txt / license.rst. It is
* also available through the world wide web at this URL:
@@ -25,8 +25,6 @@
* @filesource
*/
-// ------------------------------------------------------------------------
-
/**
* ODBC Utility Class
*
@@ -36,74 +34,15 @@
*/
class CI_DB_odbc_utility extends CI_DB_utility {
- /**
- * List databases
- *
- * @access private
- * @return bool
- */
- function _list_databases()
- {
- // Not sure if ODBC lets you list all databases...
- if ($this->db->db_debug)
- {
- return $this->db->display_error('db_unsuported_feature');
- }
- return FALSE;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Optimize table query
- *
- * Generates a platform-specific query so that a table can be optimized
- *
- * @access private
- * @param string the table name
- * @return object
- */
- function _optimize_table($table)
- {
- // Not a supported ODBC feature
- if ($this->db->db_debug)
- {
- return $this->db->display_error('db_unsuported_feature');
- }
- return FALSE;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Repair table query
- *
- * Generates a platform-specific query so that a table can be repaired
- *
- * @access private
- * @param string the table name
- * @return object
- */
- function _repair_table($table)
- {
- // Not a supported ODBC feature
- if ($this->db->db_debug)
- {
- return $this->db->display_error('db_unsuported_feature');
- }
- return FALSE;
- }
-
- // --------------------------------------------------------------------
+ protected $_list_databases = FALSE;
/**
* ODBC Export
*
- * @access private
* @param array Preferences
* @return mixed
*/
- function _backup($params = array())
+ protected function _backup($params = array())
{
// Currently unsupported
return $this->db->display_error('db_unsuported_feature');
diff --git a/system/database/drivers/pdo/pdo_driver.php b/system/database/drivers/pdo/pdo_driver.php
index 4f4f44ba7..60151b900 100644
--- a/system/database/drivers/pdo/pdo_driver.php
+++ b/system/database/drivers/pdo/pdo_driver.php
@@ -1,13 +1,13 @@
-<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
- * An open source application development framework for PHP 5.1.6 or newer
+ * An open source application development framework for PHP 5.2.4 or newer
*
* NOTICE OF LICENSE
- *
+ *
* Licensed under the Open Software License version 3.0
- *
+ *
* This source file is subject to the Open Software License (OSL 3.0) that is
* bundled with this package in the files license.txt / license.rst. It is
* also available through the world wide web at this URL:
@@ -25,8 +25,6 @@
* @filesource
*/
-// ------------------------------------------------------------------------
-
/**
* PDO Database Adapter Class
*
@@ -42,196 +40,238 @@
*/
class CI_DB_pdo_driver extends CI_DB {
- var $dbdriver = 'pdo';
+ public $dbdriver = 'pdo';
// the character used to excape - not necessary for PDO
- var $_escape_char = '';
- var $_like_escape_str;
- var $_like_escape_chr;
-
+ protected $_escape_char = '';
+
+ // clause and character used for LIKE escape sequences
+ protected $_like_escape_str = " ESCAPE '%s' ";
+ protected $_like_escape_chr = '!';
/**
* The syntax to count rows is slightly different across different
* database engines, so this string appears in each driver and is
* used for the count_all() and count_all_results() functions.
*/
- var $_count_string = "SELECT COUNT(*) AS ";
- var $_random_keyword;
-
- var $options = array();
+ protected $_count_string = 'SELECT COUNT(*) AS ';
+ protected $_random_keyword;
- function __construct($params)
+ // need to track the pdo driver and options
+ public $pdodriver;
+ public $options = array();
+
+ public function __construct($params)
{
parent::__construct($params);
-
+
+ if (preg_match('/([^;]+):/', $this->dsn, $match) && count($match) == 2)
+ {
+ // If there is a minimum valid dsn string pattern found, we're done
+ // This is for general PDO users, who tend to have a full DSN string.
+ $this->pdodriver = end($match);
+ }
+ else
+ {
+ // Try to build a complete DSN string from params
+ $this->_connect_string($params);
+ }
+
// clause and character used for LIKE escape sequences
- if (strpos($this->hostname, 'mysql') !== FALSE)
+ // this one depends on the driver being used
+ if ($this->pdodriver == 'mysql')
{
+ $this->_escape_char = '`';
$this->_like_escape_str = '';
$this->_like_escape_chr = '';
-
- //Prior to this version, the charset can't be set in the dsn
- if(is_php('5.3.6'))
- {
- $this->hostname .= ";charset={$this->char_set}";
- }
-
- //Set the charset with the connection options
- $this->options['PDO::MYSQL_ATTR_INIT_COMMAND'] = "SET NAMES {$this->char_set}";
}
- else if (strpos($this->hostname, 'odbc') !== FALSE)
+ elseif ($this->pdodriver == 'odbc')
{
$this->_like_escape_str = " {escape '%s'} ";
- $this->_like_escape_chr = '!';
}
- else
- {
- $this->_like_escape_str = " ESCAPE '%s' ";
- $this->_like_escape_chr = '!';
- }
-
- if (strpos($this->hostname, 'sqlite') === FALSE)
+ elseif ( ! in_array($this->pdodriver, array('sqlsrv', 'mssql', 'dblib', 'sybase')))
{
- $this->hostname .= ";dbname=".$this->database;
+ $this->_escape_char = '"';
}
-
- $this->trans_enabled = FALSE;
+ $this->trans_enabled = FALSE;
$this->_random_keyword = ' RND('.time().')'; // database specific random keyword
}
/**
- * Non-persistent database connection
+ * Connection String
*
- * @access private called by the base class
- * @return resource
+ * @param array
+ * @return void
*/
- function db_connect()
+ protected function _connect_string($params)
{
- $this->options['PDO::ATTR_ERRMODE'] = PDO::ERRMODE_SILENT;
-
- return new PDO($this->hostname, $this->username, $this->password, $this->options);
- }
+ if (strpos($this->hostname, ':'))
+ {
+ // hostname generally would have this prototype
+ // $db['hostname'] = 'pdodriver:host(/Server(/DSN))=hostname(/DSN);';
+ // We need to get the prefix (pdodriver used by PDO).
+ $dsnarray = explode(':', $this->hostname);
+ $this->pdodriver = $dsnarray[0];
- // --------------------------------------------------------------------
+ // End dsn with a semicolon for extra backward compability
+ // if database property was not empty.
+ if ( ! empty($this->database))
+ {
+ $this->dsn .= rtrim($this->hostname, ';').';';
+ }
+ }
+ else
+ {
+ // Invalid DSN, display an error
+ if ( ! array_key_exists('pdodriver', $params))
+ {
+ show_error('Invalid DB Connection String for PDO');
+ }
- /**
- * Persistent database connection
- *
- * @access private called by the base class
- * @return resource
- */
- function db_pconnect()
- {
- $this->options['PDO::ATTR_ERRMODE'] = PDO::ERRMODE_SILENT;
- $this->options['PDO::ATTR_PERSISTENT'] = TRUE;
-
- return new PDO($this->hostname, $this->username, $this->password, $this->options);
- }
+ // Assuming that the following DSN string format is used:
+ // $dsn = 'pdo://username:password@hostname:port/database?pdodriver=pgsql';
+ $this->dsn = $this->pdodriver.':';
- // --------------------------------------------------------------------
+ // Add hostname to the DSN for databases that need it
+ if ( ! empty($this->hostname)
+ && strpos($this->hostname, ':') === FALSE
+ && in_array($this->pdodriver, array('informix', 'mysql', 'pgsql', 'sybase', 'mssql', 'dblib', 'cubrid')))
+ {
+ $this->dsn .= 'host='.$this->hostname.';';
+ }
- /**
- * Reconnect
- *
- * Keep / reestablish the db connection if no queries have been
- * sent for a length of time exceeding the server's idle timeout
- *
- * @access public
- * @return void
- */
- function reconnect()
- {
- if ($this->db->db_debug)
- {
- return $this->db->display_error('db_unsuported_feature');
+ // Add a port to the DSN for databases that can use it
+ if ( ! empty($this->port) && in_array($this->pdodriver, array('informix', 'mysql', 'pgsql', 'ibm', 'cubrid')))
+ {
+ $this->dsn .= 'port='.$this->port.';';
+ }
}
- return FALSE;
+
+ // Add the database name to the DSN, if needed
+ if (stripos($this->dsn, 'dbname') === FALSE
+ && in_array($this->pdodriver, array('4D', 'pgsql', 'mysql', 'firebird', 'sybase', 'mssql', 'dblib', 'cubrid')))
+ {
+ $this->dsn .= 'dbname='.$this->database.';';
+ }
+ elseif (stripos($this->dsn, 'database') === FALSE && in_array($this->pdodriver, array('ibm', 'sqlsrv')))
+ {
+ if (stripos($this->dsn, 'dsn') === FALSE)
+ {
+ $this->dsn .= 'database='.$this->database.';';
+ }
+ }
+ elseif ($this->pdodriver === 'sqlite' && $this->dsn === 'sqlite:')
+ {
+ if ($this->database !== ':memory')
+ {
+ if ( ! file_exists($this->database))
+ {
+ show_error('Invalid DB Connection string for PDO SQLite');
+ }
+
+ $this->dsn .= (strpos($this->database, DIRECTORY_SEPARATOR) !== 0) ? DIRECTORY_SEPARATOR : '';
+ }
+
+ $this->dsn .= $this->database;
+ }
+
+ // Add charset to the DSN, if needed
+ if ( ! empty($this->char_set) && in_array($this->pdodriver, array('4D', 'mysql', 'sybase', 'mssql', 'dblib', 'oci')))
+ {
+ $this->dsn .= 'charset='.$this->char_set.';';
+ }
}
// --------------------------------------------------------------------
/**
- * Select the database
+ * Non-persistent database connection
*
- * @access private called by the base class
- * @return resource
+ * @return object
*/
- function db_select()
+ public function db_connect()
{
- // Not needed for PDO
- return TRUE;
+ return $this->_pdo_connect();
}
// --------------------------------------------------------------------
/**
- * Set client character set
+ * Persistent database connection
*
- * @access public
- * @param string
- * @param string
- * @return resource
+ * @return object
*/
- function db_set_charset($charset, $collation)
+ public function db_pconnect()
{
- // @todo - add support if needed
- return TRUE;
+ return $this->_pdo_connect(TRUE);
}
// --------------------------------------------------------------------
/**
- * Version number query string
+ * PDO connection
*
- * @access public
- * @return string
+ * @param bool
+ * @return object
*/
- function _version()
+ protected function _pdo_connect($persistent = FALSE)
{
- return $this->conn_id->getAttribute(PDO::ATTR_CLIENT_VERSION);
+ $this->options[PDO::ATTR_ERRMODE] = PDO::ERRMODE_SILENT;
+ $persistent === FALSE OR $this->options[PDO::ATTR_PERSISTENT] = TRUE;
+
+ /* Prior to PHP 5.3.6, even if the charset was supplied in the DSN
+ * on connect - it was ignored. This is a work-around for the issue.
+ *
+ * Reference: http://www.php.net/manual/en/ref.pdo-mysql.connection.php
+ */
+ if ($this->subdriver === 'mysql' && ! is_php('5.3.6') && ! empty($this->char_set))
+ {
+ $this->options[PDO::MYSQL_ATTR_INIT_COMMAND] = 'SET NAMES '.$this->char_set
+ .( ! empty($this->db_collat) ? " COLLATE '".$this->dbcollat."'" : '');
+ }
+
+ // Connecting...
+ try
+ {
+ return new PDO($this->dsn, $this->username, $this->password, $this->options);
+ }
+ catch (PDOException $e)
+ {
+ if ($this->db_debug && empty($this->failover))
+ {
+ $this->display_error($e->getMessage(), '', TRUE);
+ }
+
+ return FALSE;
+ }
}
// --------------------------------------------------------------------
/**
- * Execute the query
+ * Database version number
*
- * @access private called by the base class
- * @param string an SQL query
- * @return object
+ * @return string
*/
- function _execute($sql)
+ public function version()
{
- $sql = $this->_prep_query($sql);
- $result_id = $this->conn_id->query($sql);
-
- if (is_object($result_id))
- {
- $this->affect_rows = $result_id->rowCount();
- }
- else
- {
- $this->affect_rows = 0;
- }
-
- return $result_id;
+ return isset($this->data_cache['version'])
+ ? $this->data_cache['version']
+ : $this->data_cache['version'] = $this->conn_id->getAttribute(PDO::ATTR_SERVER_VERSION);
}
// --------------------------------------------------------------------
/**
- * Prep the query
- *
- * If needed, each database adapter can prep the query string
+ * Execute the query
*
- * @access private called by execute()
* @param string an SQL query
- * @return string
+ * @return mixed
*/
- function _prep_query($sql)
+ protected function _execute($sql)
{
- return $sql;
+ return $this->conn_id->query($sql);
}
// --------------------------------------------------------------------
@@ -239,18 +279,12 @@ class CI_DB_pdo_driver extends CI_DB {
/**
* Begin Transaction
*
- * @access public
* @return bool
*/
- function trans_begin($test_mode = FALSE)
+ public function trans_begin($test_mode = FALSE)
{
- if ( ! $this->trans_enabled)
- {
- return TRUE;
- }
-
// When transactions are nested we only begin/commit/rollback the outermost ones
- if ($this->_trans_depth > 0)
+ if ( ! $this->trans_enabled OR $this->_trans_depth > 0)
{
return TRUE;
}
@@ -258,7 +292,7 @@ class CI_DB_pdo_driver extends CI_DB {
// Reset the transaction failure flag.
// If the $test_mode flag is set to TRUE transactions will be rolled back
// even if the queries produce a successful result.
- $this->_trans_failure = (bool) ($test_mode === TRUE);
+ $this->_trans_failure = ($test_mode === TRUE);
return $this->conn_id->beginTransaction();
}
@@ -268,24 +302,17 @@ class CI_DB_pdo_driver extends CI_DB {
/**
* Commit Transaction
*
- * @access public
* @return bool
*/
- function trans_commit()
+ public function trans_commit()
{
- if ( ! $this->trans_enabled)
- {
- return TRUE;
- }
-
// When transactions are nested we only begin/commit/rollback the outermost ones
- if ($this->_trans_depth > 0)
+ if ( ! $this->trans_enabled OR $this->_trans_depth > 0)
{
return TRUE;
}
- $ret = $this->conn->commit();
- return $ret;
+ return $this->conn_id->commit();
}
// --------------------------------------------------------------------
@@ -293,24 +320,17 @@ class CI_DB_pdo_driver extends CI_DB {
/**
* Rollback Transaction
*
- * @access public
* @return bool
*/
- function trans_rollback()
+ public function trans_rollback()
{
- if ( ! $this->trans_enabled)
- {
- return TRUE;
- }
-
// When transactions are nested we only begin/commit/rollback the outermost ones
- if ($this->_trans_depth > 0)
+ if ( ! $this->trans_enabled OR $this->_trans_depth > 0)
{
return TRUE;
}
- $ret = $this->conn_id->rollBack();
- return $ret;
+ return $this->conn_id->rollBack();
}
// --------------------------------------------------------------------
@@ -318,12 +338,11 @@ class CI_DB_pdo_driver extends CI_DB {
/**
* Escape String
*
- * @access public
* @param string
* @param bool whether or not the string will be used in a LIKE condition
* @return string
*/
- function escape_str($str, $like = FALSE)
+ public function escape_str($str, $like = FALSE)
{
if (is_array($str))
{
@@ -334,22 +353,22 @@ class CI_DB_pdo_driver extends CI_DB {
return $str;
}
-
- //Escape the string
+
+ // Escape the string
$str = $this->conn_id->quote($str);
-
- //If there are duplicated quotes, trim them away
+
+ // If there are duplicated quotes, trim them away
if (strpos($str, "'") === 0)
{
$str = substr($str, 1, -1);
}
-
+
// escape LIKE condition wildcards
if ($like === TRUE)
{
- $str = str_replace( array('%', '_', $this->_like_escape_chr),
- array($this->_like_escape_chr.'%', $this->_like_escape_chr.'_', $this->_like_escape_chr.$this->_like_escape_chr),
- $str);
+ return str_replace(array($this->_like_escape_chr, '%', '_'),
+ array($this->_like_escape_chr.$this->_like_escape_chr, $this->_like_escape_chr.'%', $this->_like_escape_chr.'_'),
+ $str);
}
return $str;
@@ -360,43 +379,31 @@ class CI_DB_pdo_driver extends CI_DB {
/**
* Affected Rows
*
- * @access public
- * @return integer
+ * @return int
*/
- function affected_rows()
+ public function affected_rows()
{
- return $this->affect_rows;
+ return is_object($this->result_id) ? $this->result_id->rowCount() : 0;
}
// --------------------------------------------------------------------
/**
* Insert ID
- *
- * @access public
- * @return integer
+ *
+ * @param string
+ * @return int
*/
- function insert_id($name=NULL)
+ public function insert_id($name = NULL)
{
- //Convenience method for postgres insertid
- if (strpos($this->hostname, 'pgsql') !== FALSE)
+ if ($this->pdodriver === 'pgsql' && $name === NULL && $this->version() >= '8.1')
{
- $v = $this->_version();
-
- $table = func_num_args() > 0 ? func_get_arg(0) : NULL;
-
- if ($table == NULL && $v >= '8.1')
- {
- $sql='SELECT LASTVAL() as ins_id';
- }
- $query = $this->query($sql);
- $row = $query->row();
- return $row->ins_id;
- }
- else
- {
- return $this->conn_id->lastInsertId($name);
+ $query = $this->query('SELECT LASTVAL() AS ins_id');
+ $query = $query->row();
+ return $query->ins_id;
}
+
+ return $this->conn_id->lastInsertId($name);
}
// --------------------------------------------------------------------
@@ -407,18 +414,18 @@ class CI_DB_pdo_driver extends CI_DB {
* Generates a platform-specific query string that counts all records in
* the specified database
*
- * @access public
* @param string
* @return string
*/
- function count_all($table = '')
+ public function count_all($table = '')
{
if ($table == '')
{
return 0;
}
- $query = $this->query($this->_count_string . $this->_protect_identifiers('numrows') . " FROM " . $this->_protect_identifiers($table, TRUE, NULL, FALSE));
+ $sql = $this->_count_string.$this->protect_identifiers('numrows').' FROM '.$this->protect_identifiers($table, TRUE, NULL, FALSE);
+ $query = $this->query($sql);
if ($query->num_rows() == 0)
{
@@ -427,6 +434,7 @@ class CI_DB_pdo_driver extends CI_DB {
$row = $query->row();
$this->_reset_select();
+
return (int) $row->numrows;
}
@@ -437,18 +445,29 @@ class CI_DB_pdo_driver extends CI_DB {
*
* Generates a platform-specific query string so that the table names can be fetched
*
- * @access private
- * @param boolean
+ * @param bool
* @return string
*/
- function _list_tables($prefix_limit = FALSE)
+ protected function _list_tables($prefix_limit = FALSE)
{
- $sql = "SHOW TABLES FROM `".$this->database."`";
+ if ($this->pdodriver == 'pgsql')
+ {
+ // Analog function to show all tables in postgre
+ $sql = "SELECT * FROM information_schema.tables WHERE table_schema = 'public'";
+ }
+ elseif ($this->pdodriver == 'sqlite')
+ {
+ // Analog function to show all tables in sqlite
+ $sql = "SELECT name FROM sqlite_master WHERE type='table' AND name NOT LIKE 'sqlite_%'";
+ }
+ else
+ {
+ $sql = 'SHOW TABLES FROM '.$this->escape_identifiers($this->database);
+ }
if ($prefix_limit !== FALSE AND $this->dbprefix != '')
{
- //$sql .= " LIKE '".$this->escape_like_str($this->dbprefix)."%' ".sprintf($this->_like_escape_str, $this->_like_escape_chr);
- return FALSE; // not currently supported
+ return FALSE;
}
return $sql;
@@ -461,13 +480,12 @@ class CI_DB_pdo_driver extends CI_DB {
*
* Generates a platform-specific query string so that the column names can be fetched
*
- * @access public
* @param string the table name
* @return string
*/
- function _list_columns($table = '')
+ protected function _list_columns($table = '')
{
- return "SHOW COLUMNS FROM ".$table;
+ return 'SHOW COLUMNS FROM '.$this->escape_identifiers($table);
}
// --------------------------------------------------------------------
@@ -477,83 +495,57 @@ class CI_DB_pdo_driver extends CI_DB {
*
* Generates a platform-specific query so that the column data can be retrieved
*
- * @access public
* @param string the table name
- * @return object
- */
- function _field_data($table)
- {
- return "SELECT TOP 1 FROM ".$table;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * The error message string
- *
- * @access private
* @return string
*/
- function _error_message()
+ protected function _field_data($table)
{
- $error_array = $this->conn_id->errorInfo();
- return $error_array[2];
- }
-
- // --------------------------------------------------------------------
+ if ($this->pdodriver == 'mysql' or $this->pdodriver == 'pgsql')
+ {
+ // Analog function for mysql and postgre
+ return 'SELECT * FROM '.$this->escape_identifiers($table).' LIMIT 1';
+ }
+ elseif ($this->pdodriver == 'oci')
+ {
+ // Analog function for oci
+ return 'SELECT * FROM '.$this->escape_identifiers($table).' WHERE ROWNUM <= 1';
+ }
+ elseif ($this->pdodriver == 'sqlite')
+ {
+ // Analog function for sqlite
+ return 'PRAGMA table_info('.$this->escape_identifiers($table).')';
+ }
- /**
- * The error message number
- *
- * @access private
- * @return integer
- */
- function _error_number()
- {
- return $this->conn_id->errorCode();
+ return 'SELECT TOP 1 FROM '.$this->escape_identifiers($table);
}
// --------------------------------------------------------------------
/**
- * Escape the SQL Identifiers
+ * Error
*
- * This function escapes column and table names
+ * Returns an array containing code and message of the last
+ * database error that has occured.
*
- * @access private
- * @param string
- * @return string
+ * @return array
*/
- function _escape_identifiers($item)
+ public function error()
{
- if ($this->_escape_char == '')
- {
- return $item;
- }
+ $error = array('code' => '00000', 'message' => '');
+ $pdo_error = $this->conn_id->errorInfo();
- foreach ($this->_reserved_identifiers as $id)
+ if (empty($pdo_error[0]))
{
- if (strpos($item, '.'.$id) !== FALSE)
- {
- $str = $this->_escape_char. str_replace('.', $this->_escape_char.'.', $item);
-
- // remove duplicates if the user already included the escape
- return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $str);
- }
+ return $error;
}
- if (strpos($item, '.') !== FALSE)
- {
- $str = $this->_escape_char.str_replace('.', $this->_escape_char.'.'.$this->_escape_char, $item).$this->_escape_char;
-
- }
- else
+ $error['code'] = isset($pdo_error[1]) ? $pdo_error[0].'/'.$pdo_error[1] : $pdo_error[0];
+ if (isset($pdo_error[2]))
{
- $str = $this->_escape_char.$item.$this->_escape_char;
+ $error['message'] = $pdo_error[2];
}
- // remove duplicates if the user already included the escape
- return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $str);
+ return $error;
}
// --------------------------------------------------------------------
@@ -564,108 +556,35 @@ class CI_DB_pdo_driver extends CI_DB {
* This function implicitly groups FROM tables so there is no confusion
* about operator precedence in harmony with SQL standards
*
- * @access public
- * @param type
- * @return type
+ * @param array
+ * @return string
*/
- function _from_tables($tables)
+ protected function _from_tables($tables)
{
if ( ! is_array($tables))
{
$tables = array($tables);
}
- return (count($tables) == 1) ? $tables[0] : '('.implode(', ', $tables).')';
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Insert statement
- *
- * Generates a platform-specific insert string from the supplied data
- *
- * @access public
- * @param string the table name
- * @param array the insert keys
- * @param array the insert values
- * @return string
- */
- function _insert($table, $keys, $values)
- {
- return "INSERT INTO ".$table." (".implode(', ', $keys).") VALUES (".implode(', ', $values).")";
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Insert_batch statement
- *
- * Generates a platform-specific insert string from the supplied data
- *
- * @access public
- * @param string the table name
- * @param array the insert keys
- * @param array the insert values
- * @return string
- */
- function _insert_batch($table, $keys, $values)
- {
- return "INSERT INTO ".$table." (".implode(', ', $keys).") VALUES ".implode(', ', $values);
+ return (count($tables) === 1) ? $tables[0] : '('.implode(', ', $tables).')';
}
// --------------------------------------------------------------------
/**
- * Update statement
- *
- * Generates a platform-specific update string from the supplied data
- *
- * @access public
- * @param string the table name
- * @param array the update data
- * @param array the where clause
- * @param array the orderby clause
- * @param array the limit clause
- * @return string
- */
- function _update($table, $values, $where, $orderby = array(), $limit = FALSE)
- {
- foreach ($values as $key => $val)
- {
- $valstr[] = $key." = ".$val;
- }
-
- $limit = ( ! $limit) ? '' : ' LIMIT '.$limit;
-
- $orderby = (count($orderby) >= 1)?' ORDER BY '.implode(", ", $orderby):'';
-
- $sql = "UPDATE ".$table." SET ".implode(', ', $valstr);
-
- $sql .= ($where != '' AND count($where) >=1) ? " WHERE ".implode(" ", $where) : '';
-
- $sql .= $orderby.$limit;
-
- return $sql;
- }
-
- // --------------------------------------------------------------------
-
- /**
* Update_Batch statement
*
* Generates a platform-specific batch update string from the supplied data
*
- * @access public
* @param string the table name
* @param array the update data
* @param array the where clause
* @return string
*/
- function _update_batch($table, $values, $index, $where = NULL)
+ protected function _update_batch($table, $values, $index, $where = NULL)
{
- $ids = array();
- $where = ($where != '' AND count($where) >=1) ? implode(" ", $where).' AND ' : '';
+ $ids = array();
+ $where = ($where != '' && count($where) >=1) ? implode(" ", $where).' AND ' : '';
foreach ($values as $key => $val)
{
@@ -680,12 +599,13 @@ class CI_DB_pdo_driver extends CI_DB {
}
}
- $sql = "UPDATE ".$table." SET ";
+ $sql = 'UPDATE '.$table.' SET ';
$cases = '';
foreach ($final as $k => $v)
{
$cases .= $k.' = CASE '."\n";
+
foreach ($v as $row)
{
$cases .= $row."\n";
@@ -695,63 +615,27 @@ class CI_DB_pdo_driver extends CI_DB {
}
$sql .= substr($cases, 0, -2);
-
$sql .= ' WHERE '.$where.$index.' IN ('.implode(',', $ids).')';
return $sql;
}
-
// --------------------------------------------------------------------
/**
* Truncate statement
*
* Generates a platform-specific truncate string from the supplied data
- * If the database does not support the truncate() command
- * This function maps to "DELETE FROM table"
*
- * @access public
- * @param string the table name
- * @return string
- */
- function _truncate($table)
- {
- return $this->_delete($table);
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Delete statement
- *
- * Generates a platform-specific delete string from the supplied data
+ * If the database does not support the truncate() command,
+ * then this method maps to 'DELETE FROM table'
*
- * @access public
* @param string the table name
- * @param array the where clause
- * @param string the limit clause
* @return string
*/
- function _delete($table, $where = array(), $like = array(), $limit = FALSE)
+ protected function _truncate($table)
{
- $conditions = '';
-
- if (count($where) > 0 OR count($like) > 0)
- {
- $conditions = "\nWHERE ";
- $conditions .= implode("\n", $this->ar_where);
-
- if (count($where) > 0 && count($like) > 0)
- {
- $conditions .= " AND ";
- }
- $conditions .= implode("\n", $like);
- }
-
- $limit = ( ! $limit) ? '' : ' LIMIT '.$limit;
-
- return "DELETE FROM ".$table.$conditions.$limit;
+ return 'DELETE FROM '.$table;
}
// --------------------------------------------------------------------
@@ -761,36 +645,24 @@ class CI_DB_pdo_driver extends CI_DB {
*
* Generates a platform-specific LIMIT clause
*
- * @access public
* @param string the sql query string
- * @param integer the number of rows to limit the query to
- * @param integer the offset value
+ * @param int the number of rows to limit the query to
+ * @param int the offset value
* @return string
*/
- function _limit($sql, $limit, $offset)
+ protected function _limit($sql, $limit, $offset)
{
- if (strpos($this->hostname, 'cubrid') !== FALSE || strpos($this->hostname, 'sqlite') !== FALSE)
+ if ($this->pdodriver == 'cubrid' OR $this->pdodriver == 'sqlite')
{
- if ($offset == 0)
- {
- $offset = '';
- }
- else
- {
- $offset .= ", ";
- }
+ $offset = ($offset == 0) ? '' : $offset.', ';
- return $sql."LIMIT ".$offset.$limit;
+ return $sql.'LIMIT '.$offset.$limit;
}
else
{
- $sql .= "LIMIT ".$limit;
+ $sql .= 'LIMIT '.$limit;
+ $sql .= ($offset > 0) ? ' OFFSET '.$offset : '';
- if ($offset > 0)
- {
- $sql .= " OFFSET ".$offset;
- }
-
return $sql;
}
}
@@ -800,19 +672,15 @@ class CI_DB_pdo_driver extends CI_DB {
/**
* Close DB Connection
*
- * @access public
- * @param resource
+ * @param object
* @return void
*/
- function _close($conn_id)
+ protected function _close($conn_id)
{
- $this->conn_id = null;
+ $this->conn_id = NULL;
}
-
}
-
-
/* End of file pdo_driver.php */
/* Location: ./system/database/drivers/pdo/pdo_driver.php */ \ No newline at end of file
diff --git a/system/database/drivers/pdo/pdo_forge.php b/system/database/drivers/pdo/pdo_forge.php
index 076415928..ca8657a0f 100644
--- a/system/database/drivers/pdo/pdo_forge.php
+++ b/system/database/drivers/pdo/pdo_forge.php
@@ -1,13 +1,13 @@
-<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
- * An open source application development framework for PHP 5.1.6 or newer
+ * An open source application development framework for PHP 5.2.4 or newer
*
* NOTICE OF LICENSE
- *
+ *
* Licensed under the Open Software License version 3.0
- *
+ *
* This source file is subject to the Open Software License (OSL 3.0) that is
* bundled with this package in the files license.txt / license.rst. It is
* also available through the world wide web at this URL:
@@ -25,8 +25,6 @@
* @filesource
*/
-// ------------------------------------------------------------------------
-
/**
* PDO Forge Class
*
@@ -36,58 +34,20 @@
*/
class CI_DB_pdo_forge extends CI_DB_forge {
- /**
- * Create database
- *
- * @access private
- * @param string the database name
- * @return bool
- */
- function _create_database()
- {
- // PDO has no "create database" command since it's
- // designed to connect to an existing database
- if ($this->db->db_debug)
- {
- return $this->db->display_error('db_unsuported_feature');
- }
- return FALSE;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Drop database
- *
- * @access private
- * @param string the database name
- * @return bool
- */
- function _drop_database($name)
- {
- // PDO has no "drop database" command since it's
- // designed to connect to an existing database
- if ($this->db->db_debug)
- {
- return $this->db->display_error('db_unsuported_feature');
- }
- return FALSE;
- }
-
- // --------------------------------------------------------------------
+ protected $_drop_database = 'DROP DATABASE %s';
+ protected $_drop_table = 'DROP TABLE %s';
/**
* Create Table
*
- * @access private
* @param string the table name
* @param array the fields
* @param mixed primary key(s)
* @param mixed key(s)
- * @param boolean should 'IF NOT EXISTS' be added to the SQL
+ * @param bool should 'IF NOT EXISTS' be added to the SQL
* @return bool
*/
- function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists)
+ protected function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists)
{
$sql = 'CREATE TABLE ';
@@ -96,10 +56,10 @@ class CI_DB_pdo_forge extends CI_DB_forge {
$sql .= 'IF NOT EXISTS ';
}
- $sql .= $this->db->_escape_identifiers($table)." (";
+ $sql .= $this->db->escape_identifiers($table).' (';
$current_field_count = 0;
- foreach ($fields as $field=>$attributes)
+ foreach ($fields as $field => $attributes)
{
// Numeric field names aren't allowed in databases, so if the key is
// numeric, we know it was assigned by PHP and the developer manually
@@ -111,14 +71,19 @@ class CI_DB_pdo_forge extends CI_DB_forge {
else
{
$attributes = array_change_key_case($attributes, CASE_UPPER);
+ $numeric = array('SERIAL', 'INTEGER');
- $sql .= "\n\t".$this->db->_protect_identifiers($field);
+ $sql .= "\n\t".$this->db->protect_identifiers($field);
$sql .= ' '.$attributes['TYPE'];
if (array_key_exists('CONSTRAINT', $attributes))
{
- $sql .= '('.$attributes['CONSTRAINT'].')';
+ // Exception for Postgre numeric which not too happy with constraint within those type
+ if ( ! ($this->db->pdodriver == 'pgsql' && in_array($attributes['TYPE'], $numeric)))
+ {
+ $sql .= '('.$attributes['CONSTRAINT'].')';
+ }
}
if (array_key_exists('UNSIGNED', $attributes) && $attributes['UNSIGNED'] === TRUE)
@@ -155,7 +120,7 @@ class CI_DB_pdo_forge extends CI_DB_forge {
if (count($primary_keys) > 0)
{
- $primary_keys = $this->db->_protect_identifiers($primary_keys);
+ $primary_keys = $this->db->protect_identifiers($primary_keys);
$sql .= ",\n\tPRIMARY KEY (" . implode(', ', $primary_keys) . ")";
}
@@ -165,11 +130,11 @@ class CI_DB_pdo_forge extends CI_DB_forge {
{
if (is_array($key))
{
- $key = $this->db->_protect_identifiers($key);
+ $key = $this->db->protect_identifiers($key);
}
else
{
- $key = array($this->db->_protect_identifiers($key));
+ $key = array($this->db->protect_identifiers($key));
}
$sql .= ",\n\tFOREIGN KEY (" . implode(', ', $key) . ")";
@@ -184,42 +149,23 @@ class CI_DB_pdo_forge extends CI_DB_forge {
// --------------------------------------------------------------------
/**
- * Drop Table
- *
- * @access private
- * @return bool
- */
- function _drop_table($table)
- {
- // Not a supported PDO feature
- if ($this->db->db_debug)
- {
- return $this->db->display_error('db_unsuported_feature');
- }
- return FALSE;
- }
-
- // --------------------------------------------------------------------
-
- /**
* Alter table query
*
* Generates a platform-specific query so that a table can be altered
* Called by add_column(), drop_column(), and column_alter(),
*
- * @access private
* @param string the ALTER type (ADD, DROP, CHANGE)
* @param string the column name
* @param string the table name
* @param string the column definition
* @param string the default value
- * @param boolean should 'NOT NULL' be added
+ * @param bool should 'NOT NULL' be added
* @param string the field after which we should add the new field
- * @return object
+ * @return string
*/
- function _alter_table($alter_type, $table, $column_name, $column_definition = '', $default_value = '', $null = '', $after_field = '')
+ protected function _alter_table($alter_type, $table, $column_name, $column_definition = '', $default_value = '', $null = '', $after_field = '')
{
- $sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table)." $alter_type ".$this->db->_protect_identifiers($column_name);
+ $sql = 'ALTER TABLE `'.$this->db->protect_identifiers($table).'` '.$alter_type.' '.$this->db->protect_identifiers($column_name);
// DROP has everything it needs now.
if ($alter_type == 'DROP')
@@ -245,33 +191,13 @@ class CI_DB_pdo_forge extends CI_DB_forge {
if ($after_field != '')
{
- $sql .= ' AFTER ' . $this->db->_protect_identifiers($after_field);
+ return $sql.' AFTER '.$this->db->protect_identifiers($after_field);
}
return $sql;
}
-
- // --------------------------------------------------------------------
-
- /**
- * Rename a table
- *
- * Generates a platform-specific query so that a table can be renamed
- *
- * @access private
- * @param string the old table name
- * @param string the new table name
- * @return string
- */
- function _rename_table($table_name, $new_table_name)
- {
- $sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table_name)." RENAME TO ".$this->db->_protect_identifiers($new_table_name);
- return $sql;
- }
-
-
}
/* End of file pdo_forge.php */
diff --git a/system/database/drivers/pdo/pdo_result.php b/system/database/drivers/pdo/pdo_result.php
index 6b523b001..19aee1dfc 100644
--- a/system/database/drivers/pdo/pdo_result.php
+++ b/system/database/drivers/pdo/pdo_result.php
@@ -1,13 +1,13 @@
-<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
- * An open source application development framework for PHP 5.1.6 or newer
+ * An open source application development framework for PHP 5.2.4 or newer
*
* NOTICE OF LICENSE
- *
+ *
* Licensed under the Open Software License version 3.0
- *
+ *
* This source file is subject to the Open Software License (OSL 3.0) that is
* bundled with this package in the files license.txt / license.rst. It is
* also available through the world wide web at this URL:
@@ -25,8 +25,6 @@
* @filesource
*/
-// ------------------------------------------------------------------------
-
/**
* PDO Result Class
*
@@ -39,14 +37,73 @@
class CI_DB_pdo_result extends CI_DB_result {
/**
+ * @var bool Hold the flag whether a result handler already fetched before
+ */
+ protected $is_fetched = FALSE;
+
+ /**
+ * @var mixed Hold the fetched assoc array of a result handler
+ */
+ protected $result_assoc;
+
+ /**
* Number of rows in the result set
*
- * @access public
- * @return integer
+ * @return int
*/
- function num_rows()
+ public function num_rows()
{
- return $this->result_id->rowCount();
+ if (empty($this->result_id) OR ! is_object($this->result_id))
+ {
+ // invalid result handler
+ return 0;
+ }
+ elseif (($num_rows = $this->result_id->rowCount()) && $num_rows > 0)
+ {
+ // If rowCount return something, we're done.
+ return $num_rows;
+ }
+
+ // Fetch the result, instead perform another extra query
+ return ($this->is_fetched && is_array($this->result_assoc)) ? count($this->result_assoc) : count($this->result_assoc());
+ }
+
+ /**
+ * Fetch the result handler
+ *
+ * @return mixed
+ */
+ public function result_assoc()
+ {
+ // If the result already fetched before, use that one
+ if (count($this->result_array) > 0 OR $this->is_fetched)
+ {
+ return $this->result_array();
+ }
+
+ // Define the output
+ $output = array('assoc', 'object');
+
+ // Fetch the result
+ foreach ($output as $type)
+ {
+ // Define the method and handler
+ $res_method = '_fetch_'.$type;
+ $res_handler = 'result_'.$type;
+
+ $this->$res_handler = array();
+
+ while ($row = $this->$res_method())
+ {
+ $this->{$res_handler}[] = $row;
+ }
+ }
+
+ // Save this as buffer and marked the fetch flag
+ $this->result_array = $this->result_assoc;
+ $this->is_fetched = TRUE;
+
+ return $this->result_assoc;
}
// --------------------------------------------------------------------
@@ -54,10 +111,9 @@ class CI_DB_pdo_result extends CI_DB_result {
/**
* Number of fields in the result set
*
- * @access public
- * @return integer
+ * @return int
*/
- function num_fields()
+ public function num_fields()
{
return $this->result_id->columnCount();
}
@@ -69,15 +125,15 @@ class CI_DB_pdo_result extends CI_DB_result {
*
* Generates an array of column names
*
- * @access public
- * @return array
+ * @return bool
*/
- function list_fields()
+ public function list_fields()
{
if ($this->db->db_debug)
{
return $this->db->display_error('db_unsuported_feature');
}
+
return FALSE;
}
@@ -88,20 +144,58 @@ class CI_DB_pdo_result extends CI_DB_result {
*
* Generates an array of objects containing field meta-data
*
- * @access public
* @return array
*/
- function field_data()
+ public function field_data()
{
$data = array();
-
+
try
{
- for($i = 0; $i < $this->num_fields(); $i++)
+ if (strpos($this->result_id->queryString, 'PRAGMA') !== FALSE)
+ {
+ foreach ($this->result_array() as $field)
+ {
+ preg_match('/([a-zA-Z]+)(\(\d+\))?/', $field['type'], $matches);
+
+ $F = new stdClass();
+ $F->name = $field['name'];
+ $F->type = ( ! empty($matches[1])) ? $matches[1] : NULL;
+ $F->default = NULL;
+ $F->max_length = ( ! empty($matches[2])) ? preg_replace('/[^\d]/', '', $matches[2]) : NULL;
+ $F->primary_key = (int) $field['pk'];
+ $F->pdo_type = NULL;
+
+ $data[] = $F;
+ }
+ }
+ else
{
- $data[] = $this->result_id->getColumnMeta($i);
+ for($i = 0, $max = $this->num_fields(); $i < $max; $i++)
+ {
+ $field = $this->result_id->getColumnMeta($i);
+
+ $F = new stdClass();
+ $F->name = $field['name'];
+ $F->type = $field['native_type'];
+ $F->default = NULL;
+ $F->pdo_type = $field['pdo_type'];
+
+ if ($field['precision'] < 0)
+ {
+ $F->max_length = NULL;
+ $F->primary_key = 0;
+ }
+ else
+ {
+ $F->max_length = ($field['len'] > 255) ? 0 : $field['len'];
+ $F->primary_key = (int) ( ! empty($field['flags']) && in_array('primary_key', $field['flags']));
+ }
+
+ $data[] = $F;
+ }
}
-
+
return $data;
}
catch (Exception $e)
@@ -110,6 +204,7 @@ class CI_DB_pdo_result extends CI_DB_result {
{
return $this->db->display_error('db_unsuported_feature');
}
+
return FALSE;
}
}
@@ -119,9 +214,9 @@ class CI_DB_pdo_result extends CI_DB_result {
/**
* Free the result
*
- * @return null
+ * @return void
*/
- function free_result()
+ public function free_result()
{
if (is_object($this->result_id))
{
@@ -132,31 +227,13 @@ class CI_DB_pdo_result extends CI_DB_result {
// --------------------------------------------------------------------
/**
- * Data Seek
- *
- * Moves the internal pointer to the desired offset. We call
- * this internally before fetching results to make sure the
- * result set starts at zero
- *
- * @access private
- * @return array
- */
- function _data_seek($n = 0)
- {
- return FALSE;
- }
-
- // --------------------------------------------------------------------
-
- /**
* Result - associative array
*
* Returns the result set as an array
*
- * @access private
* @return array
*/
- function _fetch_assoc()
+ protected function _fetch_assoc()
{
return $this->result_id->fetch(PDO::FETCH_ASSOC);
}
@@ -168,16 +245,14 @@ class CI_DB_pdo_result extends CI_DB_result {
*
* Returns the result set as an object
*
- * @access private
* @return object
*/
- function _fetch_object()
- {
+ protected function _fetch_object()
+ {
return $this->result_id->fetchObject();
}
}
-
/* End of file pdo_result.php */
/* Location: ./system/database/drivers/pdo/pdo_result.php */ \ No newline at end of file
diff --git a/system/database/drivers/pdo/pdo_utility.php b/system/database/drivers/pdo/pdo_utility.php
index 971ec8803..930842118 100644
--- a/system/database/drivers/pdo/pdo_utility.php
+++ b/system/database/drivers/pdo/pdo_utility.php
@@ -1,13 +1,13 @@
-<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
- * An open source application development framework for PHP 5.1.6 or newer
+ * An open source application development framework for PHP 5.2.4 or newer
*
* NOTICE OF LICENSE
- *
+ *
* Licensed under the Open Software License version 3.0
- *
+ *
* This source file is subject to the Open Software License (OSL 3.0) that is
* bundled with this package in the files license.txt / license.rst. It is
* also available through the world wide web at this URL:
@@ -25,8 +25,6 @@
* @filesource
*/
-// ------------------------------------------------------------------------
-
/**
* PDO Utility Class
*
@@ -36,74 +34,15 @@
*/
class CI_DB_pdo_utility extends CI_DB_utility {
- /**
- * List databases
- *
- * @access private
- * @return bool
- */
- function _list_databases()
- {
- // Not sure if PDO lets you list all databases...
- if ($this->db->db_debug)
- {
- return $this->db->display_error('db_unsuported_feature');
- }
- return FALSE;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Optimize table query
- *
- * Generates a platform-specific query so that a table can be optimized
- *
- * @access private
- * @param string the table name
- * @return object
- */
- function _optimize_table($table)
- {
- // Not a supported PDO feature
- if ($this->db->db_debug)
- {
- return $this->db->display_error('db_unsuported_feature');
- }
- return FALSE;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Repair table query
- *
- * Generates a platform-specific query so that a table can be repaired
- *
- * @access private
- * @param string the table name
- * @return object
- */
- function _repair_table($table)
- {
- // Not a supported PDO feature
- if ($this->db->db_debug)
- {
- return $this->db->display_error('db_unsuported_feature');
- }
- return FALSE;
- }
-
- // --------------------------------------------------------------------
+ protected $_list_databases = FALSE;
/**
* PDO Export
*
- * @access private
* @param array Preferences
* @return mixed
*/
- function _backup($params = array())
+ protected function _backup($params = array())
{
// Currently unsupported
return $this->db->display_error('db_unsuported_feature');
diff --git a/system/database/drivers/postgre/postgre_driver.php b/system/database/drivers/postgre/postgre_driver.php
index 42329bded..14259be52 100644
--- a/system/database/drivers/postgre/postgre_driver.php
+++ b/system/database/drivers/postgre/postgre_driver.php
@@ -1,13 +1,13 @@
-<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
- * An open source application development framework for PHP 5.1.6 or newer
+ * An open source application development framework for PHP 5.2.4 or newer
*
* NOTICE OF LICENSE
- *
+ *
* Licensed under the Open Software License version 3.0
- *
+ *
* This source file is subject to the Open Software License (OSL 3.0) that is
* bundled with this package in the files license.txt / license.rst. It is
* also available through the world wide web at this URL:
@@ -25,8 +25,6 @@
* @filesource
*/
-// ------------------------------------------------------------------------
-
/**
* Postgre Database Adapter Class
*
@@ -42,47 +40,81 @@
*/
class CI_DB_postgre_driver extends CI_DB {
- var $dbdriver = 'postgre';
+ public $dbdriver = 'postgre';
- var $_escape_char = '"';
+ protected $_escape_char = '"';
// clause and character used for LIKE escape sequences
- var $_like_escape_str = " ESCAPE '%s' ";
- var $_like_escape_chr = '!';
+ protected $_like_escape_str = " ESCAPE '%s' ";
+ protected $_like_escape_chr = '!';
/**
* The syntax to count rows is slightly different across different
* database engines, so this string appears in each driver and is
* used for the count_all() and count_all_results() functions.
*/
- var $_count_string = "SELECT COUNT(*) AS ";
- var $_random_keyword = ' RANDOM()'; // database specific random keyword
+ protected $_count_string = 'SELECT COUNT(*) AS ';
+ protected $_random_keyword = ' RANDOM()'; // database specific random keyword
/**
- * Connection String
+ * Constructor
*
- * @access private
- * @return string
+ * Creates a DSN string to be used for db_connect() and db_pconnect()
+ *
+ * @return void
*/
- function _connect_string()
+ public function __construct($params)
{
- $components = array(
- 'hostname' => 'host',
- 'port' => 'port',
- 'database' => 'dbname',
- 'username' => 'user',
- 'password' => 'password'
- );
-
- $connect_string = "";
- foreach ($components as $key => $val)
+ parent::__construct($params);
+
+ if ( ! empty($this->dsn))
{
- if (isset($this->$key) && $this->$key != '')
+ return;
+ }
+
+ $this->dsn === '' OR $this->dsn = '';
+
+ if (strpos($this->hostname, '/') !== FALSE)
+ {
+ // If UNIX sockets are used, we shouldn't set a port
+ $this->port = '';
+ }
+
+ $this->hostname === '' OR $this->dsn = 'host='.$this->hostname.' ';
+
+ if ( ! empty($this->port) && ctype_digit($this->port))
+ {
+ $this->dsn .= 'port='.$this->port.' ';
+ }
+
+ if ($this->username !== '')
+ {
+ $this->dsn .= 'user='.$this->username.' ';
+
+ /* An empty password is valid!
+ *
+ * $db['password'] = NULL must be done in order to ignore it.
+ */
+ $this->password === NULL OR $this->dsn .= "password='".$this->password."' ";
+ }
+
+ $this->database === '' OR $this->dsn .= 'dbname='.$this->database.' ';
+
+ /* We don't have these options as elements in our standard configuration
+ * array, but they might be set by parse_url() if the configuration was
+ * provided via string. Example:
+ *
+ * postgre://username:password@localhost:5432/database?connect_timeout=5&sslmode=1
+ */
+ foreach (array('connect_timeout', 'options', 'sslmode', 'service') as $key)
+ {
+ if (isset($this->$key) && is_string($this->key) && $this->key !== '')
{
- $connect_string .= " $val=".$this->$key;
+ $this->dsn .= $key."='".$this->key."' ";
}
}
- return trim($connect_string);
+
+ $this->dsn = rtrim($this->dsn);
}
// --------------------------------------------------------------------
@@ -90,12 +122,11 @@ class CI_DB_postgre_driver extends CI_DB {
/**
* Non-persistent database connection
*
- * @access private called by the base class
* @return resource
*/
- function db_connect()
+ public function db_connect()
{
- return @pg_connect($this->_connect_string());
+ return @pg_connect($this->dsn);
}
// --------------------------------------------------------------------
@@ -103,12 +134,11 @@ class CI_DB_postgre_driver extends CI_DB {
/**
* Persistent database connection
*
- * @access private called by the base class
* @return resource
*/
- function db_pconnect()
+ public function db_pconnect()
{
- return @pg_pconnect($this->_connect_string());
+ return @pg_pconnect($this->dsn);
}
// --------------------------------------------------------------------
@@ -119,10 +149,9 @@ class CI_DB_postgre_driver extends CI_DB {
* Keep / reestablish the db connection if no queries have been
* sent for a length of time exceeding the server's idle timeout
*
- * @access public
* @return void
*/
- function reconnect()
+ public function reconnect()
{
if (pg_ping($this->conn_id) === FALSE)
{
@@ -133,44 +162,43 @@ class CI_DB_postgre_driver extends CI_DB {
// --------------------------------------------------------------------
/**
- * Select the database
- *
- * @access private called by the base class
- * @return resource
- */
- function db_select()
- {
- // Not needed for Postgre so we'll return TRUE
- return TRUE;
- }
-
- // --------------------------------------------------------------------
-
- /**
* Set client character set
*
- * @access public
- * @param string
- * @param string
- * @return resource
+ * @param string
+ * @return bool
*/
- function db_set_charset($charset, $collation)
+ protected function _db_set_charset($charset)
{
- // @todo - add support if needed
- return TRUE;
+ return (pg_set_client_encoding($this->conn_id, $charset) === 0);
}
// --------------------------------------------------------------------
/**
- * Version number query string
+ * Database version number
*
- * @access public
* @return string
*/
- function _version()
+ public function version()
{
- return "SELECT version() AS ver";
+ if (isset($this->data_cache['version']))
+ {
+ return $this->data_cache['version'];
+ }
+
+ if (($pg_version = pg_version($this->conn_id)) === FALSE)
+ {
+ return FALSE;
+ }
+
+ /* If PHP was compiled with PostgreSQL lib versions earlier
+ * than 7.4, pg_version() won't return the server version
+ * and so we'll have to fall back to running a query in
+ * order to get it.
+ */
+ return isset($pg_version['server'])
+ ? $this->data_cache['version'] = $pg_version['server']
+ : parent::version();
}
// --------------------------------------------------------------------
@@ -178,49 +206,25 @@ class CI_DB_postgre_driver extends CI_DB {
/**
* Execute the query
*
- * @access private called by the base class
* @param string an SQL query
* @return resource
*/
- function _execute($sql)
+ protected function _execute($sql)
{
- $sql = $this->_prep_query($sql);
return @pg_query($this->conn_id, $sql);
}
// --------------------------------------------------------------------
/**
- * Prep the query
- *
- * If needed, each database adapter can prep the query string
- *
- * @access private called by execute()
- * @param string an SQL query
- * @return string
- */
- function _prep_query($sql)
- {
- return $sql;
- }
-
- // --------------------------------------------------------------------
-
- /**
* Begin Transaction
*
- * @access public
* @return bool
*/
- function trans_begin($test_mode = FALSE)
+ public function trans_begin($test_mode = FALSE)
{
- if ( ! $this->trans_enabled)
- {
- return TRUE;
- }
-
// When transactions are nested we only begin/commit/rollback the outermost ones
- if ($this->_trans_depth > 0)
+ if ( ! $this->trans_enabled OR $this->_trans_depth > 0)
{
return TRUE;
}
@@ -228,9 +232,9 @@ class CI_DB_postgre_driver extends CI_DB {
// Reset the transaction failure flag.
// If the $test_mode flag is set to TRUE transactions will be rolled back
// even if the queries produce a successful result.
- $this->_trans_failure = ($test_mode === TRUE) ? TRUE : FALSE;
+ $this->_trans_failure = ($test_mode === TRUE);
- return @pg_exec($this->conn_id, "begin");
+ return @pg_query($this->conn_id, 'BEGIN');
}
// --------------------------------------------------------------------
@@ -238,23 +242,17 @@ class CI_DB_postgre_driver extends CI_DB {
/**
* Commit Transaction
*
- * @access public
* @return bool
*/
- function trans_commit()
+ public function trans_commit()
{
- if ( ! $this->trans_enabled)
- {
- return TRUE;
- }
-
// When transactions are nested we only begin/commit/rollback the outermost ones
- if ($this->_trans_depth > 0)
+ if ( ! $this->trans_enabled OR $this->_trans_depth > 0)
{
return TRUE;
}
- return @pg_exec($this->conn_id, "commit");
+ return @pg_query($this->conn_id, 'COMMIT');
}
// --------------------------------------------------------------------
@@ -262,23 +260,17 @@ class CI_DB_postgre_driver extends CI_DB {
/**
* Rollback Transaction
*
- * @access public
* @return bool
*/
- function trans_rollback()
+ public function trans_rollback()
{
- if ( ! $this->trans_enabled)
- {
- return TRUE;
- }
-
// When transactions are nested we only begin/commit/rollback the outermost ones
- if ($this->_trans_depth > 0)
+ if ( ! $this->trans_enabled OR $this->_trans_depth > 0)
{
return TRUE;
}
- return @pg_exec($this->conn_id, "rollback");
+ return @pg_query($this->conn_id, 'ROLLBACK');
}
// --------------------------------------------------------------------
@@ -286,12 +278,11 @@ class CI_DB_postgre_driver extends CI_DB {
/**
* Escape String
*
- * @access public
* @param string
* @param bool whether or not the string will be used in a LIKE condition
* @return string
*/
- function escape_str($str, $like = FALSE)
+ public function escape_str($str, $like = FALSE)
{
if (is_array($str))
{
@@ -308,9 +299,9 @@ class CI_DB_postgre_driver extends CI_DB {
// escape LIKE condition wildcards
if ($like === TRUE)
{
- $str = str_replace( array('%', '_', $this->_like_escape_chr),
- array($this->_like_escape_chr.'%', $this->_like_escape_chr.'_', $this->_like_escape_chr.$this->_like_escape_chr),
- $str);
+ return str_replace(array($this->_like_escape_chr, '%', '_'),
+ array($this->_like_escape_chr.$this->_like_escape_chr, $this->_like_escape_chr.'%', $this->_like_escape_chr.'_'),
+ $str);
}
return $str;
@@ -321,10 +312,9 @@ class CI_DB_postgre_driver extends CI_DB {
/**
* Affected Rows
*
- * @access public
- * @return integer
+ * @return int
*/
- function affected_rows()
+ public function affected_rows()
{
return @pg_affected_rows($this->result_id);
}
@@ -334,13 +324,11 @@ class CI_DB_postgre_driver extends CI_DB {
/**
* Insert ID
*
- * @access public
- * @return integer
+ * @return string
*/
- function insert_id()
+ public function insert_id()
{
- $v = $this->_version();
- $v = $v['server'];
+ $v = $this->version();
$table = func_num_args() > 0 ? func_get_arg(0) : NULL;
$column = func_num_args() > 1 ? func_get_arg(1) : NULL;
@@ -378,19 +366,17 @@ class CI_DB_postgre_driver extends CI_DB {
* Generates a platform-specific query string that counts all records in
* the specified database
*
- * @access public
* @param string
* @return string
*/
- function count_all($table = '')
+ public function count_all($table = '')
{
if ($table == '')
{
return 0;
}
- $query = $this->query($this->_count_string . $this->_protect_identifiers('numrows') . " FROM " . $this->_protect_identifiers($table, TRUE, NULL, FALSE));
-
+ $query = $this->query($this->_count_string.$this->protect_identifiers('numrows').' FROM '.$this->protect_identifiers($table, TRUE, NULL, FALSE));
if ($query->num_rows() == 0)
{
return 0;
@@ -408,11 +394,10 @@ class CI_DB_postgre_driver extends CI_DB {
*
* Generates a platform-specific query string so that the table names can be fetched
*
- * @access private
- * @param boolean
+ * @param bool
* @return string
*/
- function _list_tables($prefix_limit = FALSE)
+ protected function _list_tables($prefix_limit = FALSE)
{
$sql = "SELECT table_name FROM information_schema.tables WHERE table_schema = 'public'";
@@ -431,11 +416,10 @@ class CI_DB_postgre_driver extends CI_DB {
*
* Generates a platform-specific query string so that the column names can be fetched
*
- * @access public
* @param string the table name
* @return string
*/
- function _list_columns($table = '')
+ protected function _list_columns($table = '')
{
return "SELECT column_name FROM information_schema.columns WHERE table_name ='".$table."'";
}
@@ -447,11 +431,10 @@ class CI_DB_postgre_driver extends CI_DB {
*
* Generates a platform-specific query so that the column data can be retrieved
*
- * @access public
* @param string the table name
* @return object
*/
- function _field_data($table)
+ protected function _field_data($table)
{
return "SELECT * FROM ".$table." LIMIT 1";
}
@@ -459,69 +442,16 @@ class CI_DB_postgre_driver extends CI_DB {
// --------------------------------------------------------------------
/**
- * The error message string
- *
- * @access private
- * @return string
- */
- function _error_message()
- {
- return pg_last_error($this->conn_id);
- }
-
- // --------------------------------------------------------------------
-
- /**
- * The error message number
+ * Error
*
- * @access private
- * @return integer
- */
- function _error_number()
- {
- return '';
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Escape the SQL Identifiers
+ * Returns an array containing code and message of the last
+ * database error that has occured.
*
- * This function escapes column and table names
- *
- * @access private
- * @param string
- * @return string
+ * @return array
*/
- function _escape_identifiers($item)
+ public function error()
{
- if ($this->_escape_char == '')
- {
- return $item;
- }
-
- foreach ($this->_reserved_identifiers as $id)
- {
- if (strpos($item, '.'.$id) !== FALSE)
- {
- $str = $this->_escape_char. str_replace('.', $this->_escape_char.'.', $item);
-
- // remove duplicates if the user already included the escape
- return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $str);
- }
- }
-
- if (strpos($item, '.') !== FALSE)
- {
- $str = $this->_escape_char.str_replace('.', $this->_escape_char.'.'.$this->_escape_char, $item).$this->_escape_char;
- }
- else
- {
- $str = $this->_escape_char.$item.$this->_escape_char;
- }
-
- // remove duplicates if the user already included the escape
- return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $str);
+ return array('code' => '', 'message' => pg_last_error($this->conn_id));
}
// --------------------------------------------------------------------
@@ -532,11 +462,10 @@ class CI_DB_postgre_driver extends CI_DB {
* This function implicitly groups FROM tables so there is no confusion
* about operator precedence in harmony with SQL standards
*
- * @access public
- * @param type
- * @return type
+ * @param array
+ * @return string
*/
- function _from_tables($tables)
+ protected function _from_tables($tables)
{
if ( ! is_array($tables))
{
@@ -549,90 +478,33 @@ class CI_DB_postgre_driver extends CI_DB {
// --------------------------------------------------------------------
/**
- * Insert statement
- *
- * Generates a platform-specific insert string from the supplied data
- *
- * @access public
- * @param string the table name
- * @param array the insert keys
- * @param array the insert values
- * @return string
- */
- function _insert($table, $keys, $values)
- {
- return "INSERT INTO ".$table." (".implode(', ', $keys).") VALUES (".implode(', ', $values).")";
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Insert_batch statement
- *
- * Generates a platform-specific insert string from the supplied data
- *
- * @access public
- * @param string the table name
- * @param array the insert keys
- * @param array the insert values
- * @return string
- */
- function _insert_batch($table, $keys, $values)
- {
- return "INSERT INTO ".$table." (".implode(', ', $keys).") VALUES ".implode(', ', $values);
- }
-
- // --------------------------------------------------------------------
-
- /**
* Update statement
*
* Generates a platform-specific update string from the supplied data
*
- * @access public
* @param string the table name
* @param array the update data
* @param array the where clause
- * @param array the orderby clause
- * @param array the limit clause
+ * @param array the orderby clause (ignored)
+ * @param array the limit clause (ignored)
+ * @param array the like clause
* @return string
*/
- function _update($table, $values, $where, $orderby = array(), $limit = FALSE)
+ protected function _update($table, $values, $where, $orderby = array(), $limit = FALSE, $like = array())
{
foreach ($values as $key => $val)
{
- $valstr[] = $key." = ".$val;
+ $valstr[] = $key.' = '.$val;
}
- $limit = ( ! $limit) ? '' : ' LIMIT '.$limit;
-
- $orderby = (count($orderby) >= 1)?' ORDER BY '.implode(", ", $orderby):'';
-
- $sql = "UPDATE ".$table." SET ".implode(', ', $valstr);
-
- $sql .= ($where != '' AND count($where) >=1) ? " WHERE ".implode(" ", $where) : '';
-
- $sql .= $orderby.$limit;
-
- return $sql;
- }
+ $where = empty($where) ? '' : ' WHERE '.implode(' ', $where);
- // --------------------------------------------------------------------
+ if ( ! empty($like))
+ {
+ $where .= ($where === '' ? ' WHERE ' : ' AND ').implode(' ', $like);
+ }
- /**
- * Truncate statement
- *
- * Generates a platform-specific truncate string from the supplied data
- * If the database does not support the truncate() command
- * This function maps to "DELETE FROM table"
- *
- * @access public
- * @param string the table name
- * @return string
- */
- function _truncate($table)
- {
- return "TRUNCATE ".$table;
+ return 'UPDATE '.$table.' SET '.implode(', ', $valstr).$where;
}
// --------------------------------------------------------------------
@@ -642,31 +514,20 @@ class CI_DB_postgre_driver extends CI_DB {
*
* Generates a platform-specific delete string from the supplied data
*
- * @access public
* @param string the table name
* @param array the where clause
- * @param string the limit clause
+ * @param array the like clause
+ * @param string the limit clause (ignored)
* @return string
*/
- function _delete($table, $where = array(), $like = array(), $limit = FALSE)
+ protected function _delete($table, $where = array(), $like = array(), $limit = FALSE)
{
- $conditions = '';
+ $conditions = array();
- if (count($where) > 0 OR count($like) > 0)
- {
- $conditions = "\nWHERE ";
- $conditions .= implode("\n", $this->ar_where);
+ empty($where) OR $conditions[] = implode(' ', $where);
+ empty($like) OR $conditions[] = implode(' ', $like);
- if (count($where) > 0 && count($like) > 0)
- {
- $conditions .= " AND ";
- }
- $conditions .= implode("\n", $like);
- }
-
- $limit = ( ! $limit) ? '' : ' LIMIT '.$limit;
-
- return "DELETE FROM ".$table.$conditions.$limit;
+ return 'DELETE FROM '.$table.(count($conditions) > 0 ? ' WHERE '.implode(' AND ', $conditions) : '');
}
// --------------------------------------------------------------------
@@ -675,13 +536,12 @@ class CI_DB_postgre_driver extends CI_DB {
*
* Generates a platform-specific LIMIT clause
*
- * @access public
* @param string the sql query string
- * @param integer the number of rows to limit the query to
- * @param integer the offset value
+ * @param int the number of rows to limit the query to
+ * @param int the offset value
* @return string
*/
- function _limit($sql, $limit, $offset)
+ protected function _limit($sql, $limit, $offset)
{
$sql .= "LIMIT ".$limit;
@@ -698,18 +558,15 @@ class CI_DB_postgre_driver extends CI_DB {
/**
* Close DB Connection
*
- * @access public
* @param resource
* @return void
*/
- function _close($conn_id)
+ protected function _close($conn_id)
{
@pg_close($conn_id);
}
-
}
-
/* End of file postgre_driver.php */
/* Location: ./system/database/drivers/postgre/postgre_driver.php */ \ No newline at end of file
diff --git a/system/database/drivers/postgre/postgre_forge.php b/system/database/drivers/postgre/postgre_forge.php
index 756fd347a..8b214ebe6 100644
--- a/system/database/drivers/postgre/postgre_forge.php
+++ b/system/database/drivers/postgre/postgre_forge.php
@@ -1,13 +1,13 @@
-<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
- * An open source application development framework for PHP 5.1.6 or newer
+ * An open source application development framework for PHP 5.2.4 or newer
*
* NOTICE OF LICENSE
- *
+ *
* Licensed under the Open Software License version 3.0
- *
+ *
* This source file is subject to the Open Software License (OSL 3.0) that is
* bundled with this package in the files license.txt / license.rst. It is
* also available through the world wide web at this URL:
@@ -25,8 +25,6 @@
* @filesource
*/
-// ------------------------------------------------------------------------
-
/**
* Postgre Forge Class
*
@@ -36,46 +34,20 @@
*/
class CI_DB_postgre_forge extends CI_DB_forge {
- /**
- * Create database
- *
- * @access private
- * @param string the database name
- * @return bool
- */
- function _create_database($name)
- {
- return "CREATE DATABASE ".$name;
- }
+ protected $_drop_table = 'DROP TABLE IF EXISTS %s CASCADE';
- // --------------------------------------------------------------------
-
- /**
- * Drop database
- *
- * @access private
- * @param string the database name
- * @return bool
- */
- function _drop_database($name)
- {
- return "DROP DATABASE ".$name;
- }
-
- // --------------------------------------------------------------------
-
/**
* Process Fields
*
* @param mixed the fields
* @return string
*/
- function _process_fields($fields, $primary_keys=array())
+ protected function _process_fields($fields, $primary_keys=array())
{
$sql = '';
$current_field_count = 0;
- foreach ($fields as $field=>$attributes)
+ foreach ($fields as $field => $attributes)
{
// Numeric field names aren't allowed in databases, so if the key is
// numeric, we know it was assigned by PHP and the developer manually
@@ -88,7 +60,7 @@ class CI_DB_postgre_forge extends CI_DB_forge {
{
$attributes = array_change_key_case($attributes, CASE_UPPER);
- $sql .= "\n\t".$this->db->_protect_identifiers($field);
+ $sql .= "\n\t".$this->db->protect_identifiers($field);
$is_unsigned = (array_key_exists('UNSIGNED', $attributes) && $attributes['UNSIGNED'] === TRUE);
@@ -168,7 +140,7 @@ class CI_DB_postgre_forge extends CI_DB_forge {
$sql .= ',';
}
}
-
+
return $sql;
}
@@ -177,15 +149,14 @@ class CI_DB_postgre_forge extends CI_DB_forge {
/**
* Create Table
*
- * @access private
* @param string the table name
* @param array the fields
* @param mixed primary key(s)
* @param mixed key(s)
- * @param boolean should 'IF NOT EXISTS' be added to the SQL
+ * @param bool should 'IF NOT EXISTS' be added to the SQL
* @return bool
*/
- function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists)
+ protected function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists)
{
$sql = 'CREATE TABLE ';
@@ -198,15 +169,14 @@ class CI_DB_postgre_forge extends CI_DB_forge {
}
}
- $sql .= $this->db->_escape_identifiers($table)." (";
- $sql .= $this->_process_fields($fields, $primary_keys);
+ $sql .= $this->db->escape_identifiers($table).' ('.$this->_process_fields($fields, $primary_keys);
if (count($primary_keys) > 0)
{
- // Something seems to break when passing an array to _protect_identifiers()
+ // Something seems to break when passing an array to protect_identifiers()
foreach ($primary_keys as $index => $key)
{
- $primary_keys[$index] = $this->db->_protect_identifiers($key);
+ $primary_keys[$index] = $this->db->protect_identifiers($key);
}
$sql .= ",\n\tPRIMARY KEY (" . implode(', ', $primary_keys) . ")";
@@ -220,11 +190,11 @@ class CI_DB_postgre_forge extends CI_DB_forge {
{
if (is_array($key))
{
- $key = $this->db->_protect_identifiers($key);
+ $key = $this->db->protect_identifiers($key);
}
else
{
- $key = array($this->db->_protect_identifiers($key));
+ $key = array($this->db->protect_identifiers($key));
}
foreach ($key as $field)
@@ -240,22 +210,11 @@ class CI_DB_postgre_forge extends CI_DB_forge {
// --------------------------------------------------------------------
/**
- * Drop Table
- */
- function _drop_table($table)
- {
- return "DROP TABLE IF EXISTS ".$this->db->_escape_identifiers($table)." CASCADE";
- }
-
- // --------------------------------------------------------------------
-
- /**
* Alter table query
*
* Generates a platform-specific query so that a table can be altered
* Called by add_column(), drop_column(), and column_alter(),
*
- * @access private
* @param string the ALTER type (ADD, DROP, CHANGE)
* @param string the column name
* @param string the table name
@@ -263,45 +222,28 @@ class CI_DB_postgre_forge extends CI_DB_forge {
* @param string the default value
* @param boolean should 'NOT NULL' be added
* @param string the field after which we should add the new field
- * @return object
+ * @return string
*/
- function _alter_table($alter_type, $table, $fields, $after_field = '')
+ protected function _alter_table($alter_type, $table, $fields, $after_field = '')
{
- $sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table)." $alter_type ";
+ $sql = 'ALTER TABLE '.$this->db->protect_identifiers($table).' '.$alter_type.' ';
// DROP has everything it needs now.
if ($alter_type == 'DROP')
{
- return $sql.$this->db->_protect_identifiers($fields);
+ return $sql.$this->db->protect_identifiers($fields);
}
$sql .= $this->_process_fields($fields);
if ($after_field != '')
{
- $sql .= ' AFTER ' . $this->db->_protect_identifiers($after_field);
+ return $sql.' AFTER '.$this->db->protect_identifiers($after_field);
}
return $sql;
}
- // --------------------------------------------------------------------
-
- /**
- * Rename a table
- *
- * Generates a platform-specific query so that a table can be renamed
- *
- * @access private
- * @param string the old table name
- * @param string the new table name
- * @return string
- */
- function _rename_table($table_name, $new_table_name)
- {
- $sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table_name)." RENAME TO ".$this->db->_protect_identifiers($new_table_name);
- return $sql;
- }
}
/* End of file postgre_forge.php */
diff --git a/system/database/drivers/postgre/postgre_result.php b/system/database/drivers/postgre/postgre_result.php
index 9161bf955..f913bc9eb 100644
--- a/system/database/drivers/postgre/postgre_result.php
+++ b/system/database/drivers/postgre/postgre_result.php
@@ -1,13 +1,13 @@
-<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
- * An open source application development framework for PHP 5.1.6 or newer
+ * An open source application development framework for PHP 5.2.4 or newer
*
* NOTICE OF LICENSE
- *
+ *
* Licensed under the Open Software License version 3.0
- *
+ *
* This source file is subject to the Open Software License (OSL 3.0) that is
* bundled with this package in the files license.txt / license.rst. It is
* also available through the world wide web at this URL:
@@ -25,8 +25,6 @@
* @filesource
*/
-// ------------------------------------------------------------------------
-
/**
* Postgres Result Class
*
@@ -41,10 +39,9 @@ class CI_DB_postgre_result extends CI_DB_result {
/**
* Number of rows in the result set
*
- * @access public
- * @return integer
+ * @return int
*/
- function num_rows()
+ public function num_rows()
{
return @pg_num_rows($this->result_id);
}
@@ -54,10 +51,9 @@ class CI_DB_postgre_result extends CI_DB_result {
/**
* Number of fields in the result set
*
- * @access public
- * @return integer
+ * @return int
*/
- function num_fields()
+ public function num_fields()
{
return @pg_num_fields($this->result_id);
}
@@ -69,13 +65,12 @@ class CI_DB_postgre_result extends CI_DB_result {
*
* Generates an array of column names
*
- * @access public
* @return array
*/
- function list_fields()
+ public function list_fields()
{
$field_names = array();
- for ($i = 0; $i < $this->num_fields(); $i++)
+ for ($i = 0, $c = $this->num_fields(); $i < $c; $i++)
{
$field_names[] = pg_field_name($this->result_id, $i);
}
@@ -90,22 +85,19 @@ class CI_DB_postgre_result extends CI_DB_result {
*
* Generates an array of objects containing field meta-data
*
- * @access public
* @return array
*/
- function field_data()
+ public function field_data()
{
$retval = array();
- for ($i = 0; $i < $this->num_fields(); $i++)
+ for ($i = 0, $c = $this->num_fields(); $i < $c; $i++)
{
- $F = new stdClass();
- $F->name = pg_field_name($this->result_id, $i);
- $F->type = pg_field_type($this->result_id, $i);
- $F->max_length = pg_field_size($this->result_id, $i);
- $F->primary_key = 0;
- $F->default = '';
-
- $retval[] = $F;
+ $retval[$i] = new stdClass();
+ $retval[$i]->name = pg_field_name($this->result_id, $i);
+ $retval[$i]->type = pg_field_type($this->result_id, $i);
+ $retval[$i]->max_length = pg_field_size($this->result_id, $i);
+ $retval[$i]->primary_key = 0;
+ $retval[$i]->default = '';
}
return $retval;
@@ -116,9 +108,9 @@ class CI_DB_postgre_result extends CI_DB_result {
/**
* Free the result
*
- * @return null
+ * @return void
*/
- function free_result()
+ public function free_result()
{
if (is_resource($this->result_id))
{
@@ -132,14 +124,13 @@ class CI_DB_postgre_result extends CI_DB_result {
/**
* Data Seek
*
- * Moves the internal pointer to the desired offset. We call
+ * Moves the internal pointer to the desired offset. We call
* this internally before fetching results to make sure the
* result set starts at zero
*
- * @access private
- * @return array
+ * @return bool
*/
- function _data_seek($n = 0)
+ protected function _data_seek($n = 0)
{
return pg_result_seek($this->result_id, $n);
}
@@ -151,10 +142,9 @@ class CI_DB_postgre_result extends CI_DB_result {
*
* Returns the result set as an array
*
- * @access private
* @return array
*/
- function _fetch_assoc()
+ protected function _fetch_assoc()
{
return pg_fetch_assoc($this->result_id);
}
@@ -166,16 +156,14 @@ class CI_DB_postgre_result extends CI_DB_result {
*
* Returns the result set as an object
*
- * @access private
* @return object
*/
- function _fetch_object()
+ protected function _fetch_object()
{
return pg_fetch_object($this->result_id);
}
}
-
/* End of file postgre_result.php */
/* Location: ./system/database/drivers/postgre/postgre_result.php */ \ No newline at end of file
diff --git a/system/database/drivers/postgre/postgre_utility.php b/system/database/drivers/postgre/postgre_utility.php
index dffd8c549..c95e6df0c 100644
--- a/system/database/drivers/postgre/postgre_utility.php
+++ b/system/database/drivers/postgre/postgre_utility.php
@@ -1,13 +1,13 @@
-<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
- * An open source application development framework for PHP 5.1.6 or newer
+ * An open source application development framework for PHP 5.2.4 or newer
*
* NOTICE OF LICENSE
- *
+ *
* Licensed under the Open Software License version 3.0
- *
+ *
* This source file is subject to the Open Software License (OSL 3.0) that is
* bundled with this package in the files license.txt / license.rst. It is
* also available through the world wide web at this URL:
@@ -25,8 +25,6 @@
* @filesource
*/
-// ------------------------------------------------------------------------
-
/**
* Postgre Utility Class
*
@@ -36,65 +34,21 @@
*/
class CI_DB_postgre_utility extends CI_DB_utility {
- /**
- * List databases
- *
- * @access private
- * @return bool
- */
- function _list_databases()
- {
- return "SELECT datname FROM pg_database";
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Optimize table query
- *
- * Is table optimization supported in Postgre?
- *
- * @access private
- * @param string the table name
- * @return object
- */
- function _optimize_table($table)
- {
- return FALSE;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Repair table query
- *
- * Are table repairs supported in Postgre?
- *
- * @access private
- * @param string the table name
- * @return object
- */
- function _repair_table($table)
- {
- return FALSE;
- }
-
- // --------------------------------------------------------------------
+ protected $_list_databases = 'SELECT datname FROM pg_database';
+ protected $_optimize_table = 'REINDEX TABLE %s';
/**
* Postgre Export
*
- * @access private
* @param array Preferences
* @return mixed
*/
- function _backup($params = array())
+ protected function _backup($params = array())
{
// Currently unsupported
return $this->db->display_error('db_unsuported_feature');
}
}
-
/* End of file postgre_utility.php */
/* Location: ./system/database/drivers/postgre/postgre_utility.php */ \ No newline at end of file
diff --git a/system/database/drivers/sqlite/sqlite_driver.php b/system/database/drivers/sqlite/sqlite_driver.php
index 28c3caecd..5021deb63 100644
--- a/system/database/drivers/sqlite/sqlite_driver.php
+++ b/system/database/drivers/sqlite/sqlite_driver.php
@@ -1,13 +1,13 @@
-<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
- * An open source application development framework for PHP 5.1.6 or newer
+ * An open source application development framework for PHP 5.2.4 or newer
*
* NOTICE OF LICENSE
- *
+ *
* Licensed under the Open Software License version 3.0
- *
+ *
* This source file is subject to the Open Software License (OSL 3.0) that is
* bundled with this package in the files license.txt / license.rst. It is
* also available through the world wide web at this URL:
@@ -25,10 +25,6 @@
* @filesource
*/
-// ------------------------------------------------------------------------
-
-
-
/**
* SQLite Database Adapter Class
*
@@ -44,30 +40,29 @@
*/
class CI_DB_sqlite_driver extends CI_DB {
- var $dbdriver = 'sqlite';
+ public $dbdriver = 'sqlite';
// The character used to escape with - not needed for SQLite
- var $_escape_char = '';
+ protected $_escape_char = '';
// clause and character used for LIKE escape sequences
- var $_like_escape_str = " ESCAPE '%s' ";
- var $_like_escape_chr = '!';
+ protected $_like_escape_str = " ESCAPE '%s' ";
+ protected $_like_escape_chr = '!';
/**
* The syntax to count rows is slightly different across different
* database engines, so this string appears in each driver and is
* used for the count_all() and count_all_results() functions.
*/
- var $_count_string = "SELECT COUNT(*) AS ";
- var $_random_keyword = ' Random()'; // database specific random keyword
+ protected $_count_string = 'SELECT COUNT(*) AS ';
+ protected $_random_keyword = ' Random()'; // database specific random keyword
/**
* Non-persistent database connection
*
- * @access private called by the base class
* @return resource
*/
- function db_connect()
+ public function db_connect()
{
if ( ! $conn_id = @sqlite_open($this->database, FILE_WRITE_MODE, $error))
{
@@ -89,10 +84,9 @@ class CI_DB_sqlite_driver extends CI_DB {
/**
* Persistent database connection
*
- * @access private called by the base class
* @return resource
*/
- function db_pconnect()
+ public function db_pconnect()
{
if ( ! $conn_id = @sqlite_popen($this->database, FILE_WRITE_MODE, $error))
{
@@ -112,59 +106,15 @@ class CI_DB_sqlite_driver extends CI_DB {
// --------------------------------------------------------------------
/**
- * Reconnect
+ * Database version number
*
- * Keep / reestablish the db connection if no queries have been
- * sent for a length of time exceeding the server's idle timeout
- *
- * @access public
- * @return void
- */
- function reconnect()
- {
- // not implemented in SQLite
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Select the database
- *
- * @access private called by the base class
- * @return resource
- */
- function db_select()
- {
- return TRUE;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Set client character set
- *
- * @access public
- * @param string
- * @param string
- * @return resource
- */
- function db_set_charset($charset, $collation)
- {
- // @todo - add support if needed
- return TRUE;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Version number query string
- *
- * @access public
* @return string
*/
- function _version()
+ public function version()
{
- return sqlite_libversion();
+ return isset($this->data_cache['version'])
+ ? $this->data_cache['version']
+ : $this->data_cache['version'] = sqlite_libversion();
}
// --------------------------------------------------------------------
@@ -172,41 +122,22 @@ class CI_DB_sqlite_driver extends CI_DB {
/**
* Execute the query
*
- * @access private called by the base class
* @param string an SQL query
* @return resource
*/
- function _execute($sql)
+ protected function _execute($sql)
{
- $sql = $this->_prep_query($sql);
return @sqlite_query($this->conn_id, $sql);
}
// --------------------------------------------------------------------
/**
- * Prep the query
- *
- * If needed, each database adapter can prep the query string
- *
- * @access private called by execute()
- * @param string an SQL query
- * @return string
- */
- function _prep_query($sql)
- {
- return $sql;
- }
-
- // --------------------------------------------------------------------
-
- /**
* Begin Transaction
*
- * @access public
* @return bool
*/
- function trans_begin($test_mode = FALSE)
+ public function trans_begin($test_mode = FALSE)
{
if ( ! $this->trans_enabled)
{
@@ -233,10 +164,9 @@ class CI_DB_sqlite_driver extends CI_DB {
/**
* Commit Transaction
*
- * @access public
* @return bool
*/
- function trans_commit()
+ public function trans_commit()
{
if ( ! $this->trans_enabled)
{
@@ -258,10 +188,9 @@ class CI_DB_sqlite_driver extends CI_DB {
/**
* Rollback Transaction
*
- * @access public
* @return bool
*/
- function trans_rollback()
+ public function trans_rollback()
{
if ( ! $this->trans_enabled)
{
@@ -283,12 +212,11 @@ class CI_DB_sqlite_driver extends CI_DB {
/**
* Escape String
*
- * @access public
* @param string
* @param bool whether or not the string will be used in a LIKE condition
* @return string
*/
- function escape_str($str, $like = FALSE)
+ public function escape_str($str, $like = FALSE)
{
if (is_array($str))
{
@@ -305,9 +233,9 @@ class CI_DB_sqlite_driver extends CI_DB {
// escape LIKE condition wildcards
if ($like === TRUE)
{
- $str = str_replace( array('%', '_', $this->_like_escape_chr),
- array($this->_like_escape_chr.'%', $this->_like_escape_chr.'_', $this->_like_escape_chr.$this->_like_escape_chr),
- $str);
+ return str_replace(array($this->_like_escape_chr, '%', '_'),
+ array($this->_like_escape_chr.$this->_like_escape_chr, $this->_like_escape_chr.'%', $this->_like_escape_chr.'_'),
+ $str);
}
return $str;
@@ -318,10 +246,9 @@ class CI_DB_sqlite_driver extends CI_DB {
/**
* Affected Rows
*
- * @access public
- * @return integer
+ * @return int
*/
- function affected_rows()
+ public function affected_rows()
{
return sqlite_changes($this->conn_id);
}
@@ -331,10 +258,9 @@ class CI_DB_sqlite_driver extends CI_DB {
/**
* Insert ID
*
- * @access public
- * @return integer
+ * @return int
*/
- function insert_id()
+ public function insert_id()
{
return @sqlite_last_insert_rowid($this->conn_id);
}
@@ -347,19 +273,17 @@ class CI_DB_sqlite_driver extends CI_DB {
* Generates a platform-specific query string that counts all records in
* the specified database
*
- * @access public
* @param string
* @return string
*/
- function count_all($table = '')
+ public function count_all($table = '')
{
if ($table == '')
{
return 0;
}
- $query = $this->query($this->_count_string . $this->_protect_identifiers('numrows') . " FROM " . $this->_protect_identifiers($table, TRUE, NULL, FALSE));
-
+ $query = $this->query($this->_count_string.$this->protect_identifiers('numrows').' FROM '.$this->protect_identifiers($table, TRUE, NULL, FALSE));
if ($query->num_rows() == 0)
{
return 0;
@@ -377,11 +301,10 @@ class CI_DB_sqlite_driver extends CI_DB {
*
* Generates a platform-specific query string so that the table names can be fetched
*
- * @access private
- * @param boolean
+ * @param bool
* @return string
*/
- function _list_tables($prefix_limit = FALSE)
+ protected function _list_tables($prefix_limit = FALSE)
{
$sql = "SELECT name from sqlite_master WHERE type='table'";
@@ -399,11 +322,10 @@ class CI_DB_sqlite_driver extends CI_DB {
*
* Generates a platform-specific query string so that the column names can be fetched
*
- * @access public
* @param string the table name
- * @return string
+ * @return bool
*/
- function _list_columns($table = '')
+ protected function _list_columns($table = '')
{
// Not supported
return FALSE;
@@ -416,81 +338,29 @@ class CI_DB_sqlite_driver extends CI_DB {
*
* Generates a platform-specific query so that the column data can be retrieved
*
- * @access public
* @param string the table name
- * @return object
- */
- function _field_data($table)
- {
- return "SELECT * FROM ".$table." LIMIT 1";
- }
-
- // --------------------------------------------------------------------
-
- /**
- * The error message string
- *
- * @access private
* @return string
*/
- function _error_message()
+ protected function _field_data($table)
{
- return sqlite_error_string(sqlite_last_error($this->conn_id));
- }
-
- // --------------------------------------------------------------------
-
- /**
- * The error message number
- *
- * @access private
- * @return integer
- */
- function _error_number()
- {
- return sqlite_last_error($this->conn_id);
+ return "SELECT * FROM ".$table." LIMIT 1";
}
// --------------------------------------------------------------------
/**
- * Escape the SQL Identifiers
+ * Error
*
- * This function escapes column and table names
+ * Returns an array containing code and message of the last
+ * database error that has occured.
*
- * @access private
- * @param string
- * @return string
+ * @return array
*/
- function _escape_identifiers($item)
+ public function error()
{
- if ($this->_escape_char == '')
- {
- return $item;
- }
-
- foreach ($this->_reserved_identifiers as $id)
- {
- if (strpos($item, '.'.$id) !== FALSE)
- {
- $str = $this->_escape_char. str_replace('.', $this->_escape_char.'.', $item);
-
- // remove duplicates if the user already included the escape
- return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $str);
- }
- }
-
- if (strpos($item, '.') !== FALSE)
- {
- $str = $this->_escape_char.str_replace('.', $this->_escape_char.'.'.$this->_escape_char, $item).$this->_escape_char;
- }
- else
- {
- $str = $this->_escape_char.$item.$this->_escape_char;
- }
-
- // remove duplicates if the user already included the escape
- return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $str);
+ $error = array('code' => sqlite_last_error($this->conn_id));
+ $error['message'] = sqlite_error_string($error['code']);
+ return $error;
}
// --------------------------------------------------------------------
@@ -501,11 +371,10 @@ class CI_DB_sqlite_driver extends CI_DB {
* This function implicitly groups FROM tables so there is no confusion
* about operator precedence in harmony with SQL standards
*
- * @access public
- * @param type
- * @return type
+ * @param array
+ * @return string
*/
- function _from_tables($tables)
+ protected function _from_tables($tables)
{
if ( ! is_array($tables))
{
@@ -518,107 +387,36 @@ class CI_DB_sqlite_driver extends CI_DB {
// --------------------------------------------------------------------
/**
- * Insert statement
+ * Replace statement
*
- * Generates a platform-specific insert string from the supplied data
+ * Generates a platform-specific replace string from the supplied data
*
- * @access public
* @param string the table name
* @param array the insert keys
* @param array the insert values
* @return string
*/
- function _insert($table, $keys, $values)
- {
- return "INSERT INTO ".$table." (".implode(', ', $keys).") VALUES (".implode(', ', $values).")";
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Update statement
- *
- * Generates a platform-specific update string from the supplied data
- *
- * @access public
- * @param string the table name
- * @param array the update data
- * @param array the where clause
- * @param array the orderby clause
- * @param array the limit clause
- * @return string
- */
- function _update($table, $values, $where, $orderby = array(), $limit = FALSE)
+ protected function _replace($table, $keys, $values)
{
- foreach ($values as $key => $val)
- {
- $valstr[] = $key." = ".$val;
- }
-
- $limit = ( ! $limit) ? '' : ' LIMIT '.$limit;
-
- $orderby = (count($orderby) >= 1)?' ORDER BY '.implode(", ", $orderby):'';
-
- $sql = "UPDATE ".$table." SET ".implode(', ', $valstr);
-
- $sql .= ($where != '' AND count($where) >=1) ? " WHERE ".implode(" ", $where) : '';
-
- $sql .= $orderby.$limit;
-
- return $sql;
+ return 'INSERT OR '.parent::_replace($table, $keys, $values);
}
-
// --------------------------------------------------------------------
/**
* Truncate statement
*
* Generates a platform-specific truncate string from the supplied data
- * If the database does not support the truncate() command
- * This function maps to "DELETE FROM table"
- *
- * @access public
- * @param string the table name
- * @return string
- */
- function _truncate($table)
- {
- return $this->_delete($table);
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Delete statement
*
- * Generates a platform-specific delete string from the supplied data
+ * If the database does not support the truncate() command,
+ * then this function maps to 'DELETE FROM table'
*
- * @access public
* @param string the table name
- * @param array the where clause
- * @param string the limit clause
* @return string
*/
- function _delete($table, $where = array(), $like = array(), $limit = FALSE)
+ protected function _truncate($table)
{
- $conditions = '';
-
- if (count($where) > 0 OR count($like) > 0)
- {
- $conditions = "\nWHERE ";
- $conditions .= implode("\n", $this->ar_where);
-
- if (count($where) > 0 && count($like) > 0)
- {
- $conditions .= " AND ";
- }
- $conditions .= implode("\n", $like);
- }
-
- $limit = ( ! $limit) ? '' : ' LIMIT '.$limit;
-
- return "DELETE FROM ".$table.$conditions.$limit;
+ return 'DELETE FROM '.$table;
}
// --------------------------------------------------------------------
@@ -628,13 +426,12 @@ class CI_DB_sqlite_driver extends CI_DB {
*
* Generates a platform-specific LIMIT clause
*
- * @access public
* @param string the sql query string
- * @param integer the number of rows to limit the query to
- * @param integer the offset value
+ * @param int the number of rows to limit the query to
+ * @param int the offset value
* @return string
*/
- function _limit($sql, $limit, $offset)
+ protected function _limit($sql, $limit, $offset)
{
if ($offset == 0)
{
@@ -653,18 +450,15 @@ class CI_DB_sqlite_driver extends CI_DB {
/**
* Close DB Connection
*
- * @access public
* @param resource
* @return void
*/
- function _close($conn_id)
+ protected function _close($conn_id)
{
@sqlite_close($conn_id);
}
-
}
-
/* End of file sqlite_driver.php */
/* Location: ./system/database/drivers/sqlite/sqlite_driver.php */ \ No newline at end of file
diff --git a/system/database/drivers/sqlite/sqlite_forge.php b/system/database/drivers/sqlite/sqlite_forge.php
index 2b723be0b..dd6f0f78d 100644
--- a/system/database/drivers/sqlite/sqlite_forge.php
+++ b/system/database/drivers/sqlite/sqlite_forge.php
@@ -1,13 +1,13 @@
-<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
- * An open source application development framework for PHP 5.1.6 or newer
+ * An open source application development framework for PHP 5.2.4 or newer
*
* NOTICE OF LICENSE
- *
+ *
* Licensed under the Open Software License version 3.0
- *
+ *
* This source file is subject to the Open Software License (OSL 3.0) that is
* bundled with this package in the files license.txt / license.rst. It is
* also available through the world wide web at this URL:
@@ -25,8 +25,6 @@
* @filesource
*/
-// ------------------------------------------------------------------------
-
/**
* SQLite Forge Class
*
@@ -39,11 +37,10 @@ class CI_DB_sqlite_forge extends CI_DB_forge {
/**
* Create database
*
- * @access public
* @param string the database name
* @return bool
*/
- function _create_database()
+ public function create_database($db_name = '')
{
// In SQLite, a database is created when you connect to the database.
// We'll return TRUE so that an error isn't generated
@@ -55,49 +52,45 @@ class CI_DB_sqlite_forge extends CI_DB_forge {
/**
* Drop database
*
- * @access private
- * @param string the database name
+ * @param string the database name (ignored)
* @return bool
*/
- function _drop_database($name)
+ public function drop_database($db_name = '')
{
if ( ! @file_exists($this->db->database) OR ! @unlink($this->db->database))
{
- if ($this->db->db_debug)
- {
- return $this->db->display_error('db_unable_to_drop');
- }
- return FALSE;
+ return ($this->db->db_debug) ? $this->db->display_error('db_unable_to_drop') : FALSE;
}
+
return TRUE;
}
+
// --------------------------------------------------------------------
/**
* Create Table
*
- * @access private
* @param string the table name
* @param array the fields
* @param mixed primary key(s)
* @param mixed key(s)
- * @param boolean should 'IF NOT EXISTS' be added to the SQL
+ * @param bool should 'IF NOT EXISTS' be added to the SQL
* @return bool
*/
- function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists)
+ protected function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists)
{
$sql = 'CREATE TABLE ';
// IF NOT EXISTS added to SQLite in 3.3.0
- if ($if_not_exists === TRUE && version_compare($this->db->_version(), '3.3.0', '>=') === TRUE)
+ if ($if_not_exists === TRUE && version_compare($this->db->version(), '3.3.0', '>=') === TRUE)
{
$sql .= 'IF NOT EXISTS ';
}
- $sql .= $this->db->_escape_identifiers($table)."(";
+ $sql .= $this->db->escape_identifiers($table).' (';
$current_field_count = 0;
- foreach ($fields as $field=>$attributes)
+ foreach ($fields as $field => $attributes)
{
// Numeric field names aren't allowed in databases, so if the key is
// numeric, we know it was assigned by PHP and the developer manually
@@ -110,7 +103,7 @@ class CI_DB_sqlite_forge extends CI_DB_forge {
{
$attributes = array_change_key_case($attributes, CASE_UPPER);
- $sql .= "\n\t".$this->db->_protect_identifiers($field);
+ $sql .= "\n\t".$this->db->protect_identifiers($field);
$sql .= ' '.$attributes['TYPE'];
@@ -153,7 +146,7 @@ class CI_DB_sqlite_forge extends CI_DB_forge {
if (count($primary_keys) > 0)
{
- $primary_keys = $this->db->_protect_identifiers($primary_keys);
+ $primary_keys = $this->db->protect_identifiers($primary_keys);
$sql .= ",\n\tPRIMARY KEY (" . implode(', ', $primary_keys) . ")";
}
@@ -163,11 +156,11 @@ class CI_DB_sqlite_forge extends CI_DB_forge {
{
if (is_array($key))
{
- $key = $this->db->_protect_identifiers($key);
+ $key = $this->db->protect_identifiers($key);
}
else
{
- $key = array($this->db->_protect_identifiers($key));
+ $key = array($this->db->protect_identifiers($key));
}
$sql .= ",\n\tUNIQUE (" . implode(', ', $key) . ")";
@@ -182,43 +175,23 @@ class CI_DB_sqlite_forge extends CI_DB_forge {
// --------------------------------------------------------------------
/**
- * Drop Table
- *
- * Unsupported feature in SQLite
- *
- * @access private
- * @return bool
- */
- function _drop_table($table)
- {
- if ($this->db->db_debug)
- {
- return $this->db->display_error('db_unsuported_feature');
- }
- return array();
- }
-
- // --------------------------------------------------------------------
-
- /**
* Alter table query
*
* Generates a platform-specific query so that a table can be altered
* Called by add_column(), drop_column(), and column_alter(),
*
- * @access private
* @param string the ALTER type (ADD, DROP, CHANGE)
* @param string the column name
* @param string the table name
* @param string the column definition
* @param string the default value
- * @param boolean should 'NOT NULL' be added
+ * @param bool should 'NOT NULL' be added
* @param string the field after which we should add the new field
- * @return object
+ * @return string
*/
- function _alter_table($alter_type, $table, $column_name, $column_definition = '', $default_value = '', $null = '', $after_field = '')
+ protected function _alter_table($alter_type, $table, $column_name, $column_definition = '', $default_value = '', $null = '', $after_field = '')
{
- $sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table)." $alter_type ".$this->db->_protect_identifiers($column_name);
+ $sql = 'ALTER TABLE '.$this->db->protect_identifiers($table).' '.$alter_type.' '.$this->db->protect_identifiers($column_name);
// DROP has everything it needs now.
if ($alter_type == 'DROP')
@@ -247,30 +220,13 @@ class CI_DB_sqlite_forge extends CI_DB_forge {
if ($after_field != '')
{
- $sql .= ' AFTER ' . $this->db->_protect_identifiers($after_field);
+ return $sql.' AFTER '.$this->db->protect_identifiers($after_field);
}
return $sql;
}
- // --------------------------------------------------------------------
-
- /**
- * Rename a table
- *
- * Generates a platform-specific query so that a table can be renamed
- *
- * @access private
- * @param string the old table name
- * @param string the new table name
- * @return string
- */
- function _rename_table($table_name, $new_table_name)
- {
- $sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table_name)." RENAME TO ".$this->db->_protect_identifiers($new_table_name);
- return $sql;
- }
}
/* End of file sqlite_forge.php */
diff --git a/system/database/drivers/sqlite/sqlite_result.php b/system/database/drivers/sqlite/sqlite_result.php
index 74c0dc549..741dc9d8d 100644
--- a/system/database/drivers/sqlite/sqlite_result.php
+++ b/system/database/drivers/sqlite/sqlite_result.php
@@ -1,13 +1,13 @@
-<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
- * An open source application development framework for PHP 5.1.6 or newer
+ * An open source application development framework for PHP 5.2.4 or newer
*
* NOTICE OF LICENSE
- *
+ *
* Licensed under the Open Software License version 3.0
- *
+ *
* This source file is subject to the Open Software License (OSL 3.0) that is
* bundled with this package in the files license.txt / license.rst. It is
* also available through the world wide web at this URL:
@@ -25,8 +25,6 @@
* @filesource
*/
-// ------------------------------------------------------------------------
-
/**
* SQLite Result Class
*
@@ -41,10 +39,9 @@ class CI_DB_sqlite_result extends CI_DB_result {
/**
* Number of rows in the result set
*
- * @access public
- * @return integer
+ * @return int
*/
- function num_rows()
+ public function num_rows()
{
return @sqlite_num_rows($this->result_id);
}
@@ -54,10 +51,9 @@ class CI_DB_sqlite_result extends CI_DB_result {
/**
* Number of fields in the result set
*
- * @access public
- * @return integer
+ * @return int
*/
- function num_fields()
+ public function num_fields()
{
return @sqlite_num_fields($this->result_id);
}
@@ -69,15 +65,14 @@ class CI_DB_sqlite_result extends CI_DB_result {
*
* Generates an array of column names
*
- * @access public
* @return array
*/
- function list_fields()
+ public function list_fields()
{
$field_names = array();
- for ($i = 0; $i < $this->num_fields(); $i++)
+ for ($i = 0, $c = $this->num_fields(); $i < $c; $i++)
{
- $field_names[] = sqlite_field_name($this->result_id, $i);
+ $field_names[$i] = sqlite_field_name($this->result_id, $i);
}
return $field_names;
@@ -90,22 +85,19 @@ class CI_DB_sqlite_result extends CI_DB_result {
*
* Generates an array of objects containing field meta-data
*
- * @access public
* @return array
*/
- function field_data()
+ public function field_data()
{
$retval = array();
- for ($i = 0; $i < $this->num_fields(); $i++)
+ for ($i = 0, $c = $this->num_fields(); $i < $c; $i++)
{
- $F = new stdClass();
- $F->name = sqlite_field_name($this->result_id, $i);
- $F->type = 'varchar';
- $F->max_length = 0;
- $F->primary_key = 0;
- $F->default = '';
-
- $retval[] = $F;
+ $retval[$i] = new stdClass();
+ $retval[$i]->name = sqlite_field_name($this->result_id, $i);
+ $retval[$i]->type = 'varchar';
+ $retval[$i]->max_length = 0;
+ $retval[$i]->primary_key = 0;
+ $retval[$i]->default = '';
}
return $retval;
@@ -114,28 +106,15 @@ class CI_DB_sqlite_result extends CI_DB_result {
// --------------------------------------------------------------------
/**
- * Free the result
- *
- * @return null
- */
- function free_result()
- {
- // Not implemented in SQLite
- }
-
- // --------------------------------------------------------------------
-
- /**
* Data Seek
*
- * Moves the internal pointer to the desired offset. We call
+ * Moves the internal pointer to the desired offset. We call
* this internally before fetching results to make sure the
* result set starts at zero
*
- * @access private
- * @return array
+ * @return bool
*/
- function _data_seek($n = 0)
+ protected function _data_seek($n = 0)
{
return sqlite_seek($this->result_id, $n);
}
@@ -147,10 +126,9 @@ class CI_DB_sqlite_result extends CI_DB_result {
*
* Returns the result set as an array
*
- * @access private
* @return array
*/
- function _fetch_assoc()
+ protected function _fetch_assoc()
{
return sqlite_fetch_array($this->result_id);
}
@@ -162,30 +140,20 @@ class CI_DB_sqlite_result extends CI_DB_result {
*
* Returns the result set as an object
*
- * @access private
* @return object
*/
- function _fetch_object()
+ protected function _fetch_object()
{
if (function_exists('sqlite_fetch_object'))
{
return sqlite_fetch_object($this->result_id);
}
- else
- {
- $arr = sqlite_fetch_array($this->result_id, SQLITE_ASSOC);
- if (is_array($arr))
- {
- $obj = (object) $arr;
- return $obj;
- } else {
- return NULL;
- }
- }
+
+ $arr = sqlite_fetch_array($this->result_id, SQLITE_ASSOC);
+ return is_array($arr) ? (object) $arr : FALSE;
}
}
-
/* End of file sqlite_result.php */
/* Location: ./system/database/drivers/sqlite/sqlite_result.php */ \ No newline at end of file
diff --git a/system/database/drivers/sqlite/sqlite_utility.php b/system/database/drivers/sqlite/sqlite_utility.php
index f00687e38..1bcb42d9f 100644
--- a/system/database/drivers/sqlite/sqlite_utility.php
+++ b/system/database/drivers/sqlite/sqlite_utility.php
@@ -1,13 +1,13 @@
-<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
- * An open source application development framework for PHP 5.1.6 or newer
+ * An open source application development framework for PHP 5.2.4 or newer
*
* NOTICE OF LICENSE
- *
+ *
* Licensed under the Open Software License version 3.0
- *
+ *
* This source file is subject to the Open Software License (OSL 3.0) that is
* bundled with this package in the files license.txt / license.rst. It is
* also available through the world wide web at this URL:
@@ -25,8 +25,6 @@
* @filesource
*/
-// ------------------------------------------------------------------------
-
/**
* SQLite Utility Class
*
@@ -36,72 +34,20 @@
*/
class CI_DB_sqlite_utility extends CI_DB_utility {
- /**
- * List databases
- *
- * I don't believe you can do a database listing with SQLite
- * since each database is its own file. I suppose we could
- * try reading a directory looking for SQLite files, but
- * that doesn't seem like a terribly good idea
- *
- * @access private
- * @return bool
- */
- function _list_databases()
- {
- if ($this->db_debug)
- {
- return $this->db->display_error('db_unsuported_feature');
- }
- return array();
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Optimize table query
- *
- * Is optimization even supported in SQLite?
- *
- * @access private
- * @param string the table name
- * @return object
- */
- function _optimize_table($table)
- {
- return FALSE;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Repair table query
- *
- * Are table repairs even supported in SQLite?
- *
- * @access private
- * @param string the table name
- * @return object
- */
- function _repair_table($table)
- {
- return FALSE;
- }
-
- // --------------------------------------------------------------------
+ protected $_list_databases = FALSE;
/**
* SQLite Export
*
- * @access private
* @param array Preferences
* @return mixed
*/
- function _backup($params = array())
+ protected function _backup($params = array())
{
// Currently unsupported
return $this->db->display_error('db_unsuported_feature');
}
+
}
/* End of file sqlite_utility.php */
diff --git a/system/database/drivers/sqlite3/index.html b/system/database/drivers/sqlite3/index.html
new file mode 100644
index 000000000..c942a79ce
--- /dev/null
+++ b/system/database/drivers/sqlite3/index.html
@@ -0,0 +1,10 @@
+<html>
+<head>
+ <title>403 Forbidden</title>
+</head>
+<body>
+
+<p>Directory access is forbidden.</p>
+
+</body>
+</html> \ No newline at end of file
diff --git a/system/database/drivers/sqlite3/sqlite3_driver.php b/system/database/drivers/sqlite3/sqlite3_driver.php
new file mode 100644
index 000000000..fb45bee9c
--- /dev/null
+++ b/system/database/drivers/sqlite3/sqlite3_driver.php
@@ -0,0 +1,431 @@
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+/**
+ * CodeIgniter
+ *
+ * An open source application development framework for PHP 5.2.4 or newer
+ *
+ * NOTICE OF LICENSE
+ *
+ * Licensed under the Open Software License version 3.0
+ *
+ * This source file is subject to the Open Software License (OSL 3.0) that is
+ * bundled with this package in the files license.txt / license.rst. It is
+ * also available through the world wide web at this URL:
+ * http://opensource.org/licenses/OSL-3.0
+ * If you did not receive a copy of the license and are unable to obtain it
+ * through the world wide web, please send an email to
+ * licensing@ellislab.com so we can send you a copy immediately.
+ *
+ * @package CodeIgniter
+ * @author EllisLab Dev Team
+ * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/)
+ * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0)
+ * @link http://codeigniter.com
+ * @since Version 1.0
+ * @filesource
+ */
+
+/**
+ * SQLite3 Database Adapter Class
+ *
+ * Note: _DB is an extender class that the app controller
+ * creates dynamically based on whether the active record
+ * class is being used or not.
+ *
+ * @package CodeIgniter
+ * @subpackage Drivers
+ * @category Database
+ * @author Andrey Andreev
+ * @link http://codeigniter.com/user_guide/database/
+ * @since Version 3.0
+ */
+class CI_DB_sqlite3_driver extends CI_DB {
+
+ public $dbdriver = 'sqlite3';
+
+ // The character used for escaping
+ protected $_escape_char = '"';
+
+ // clause and character used for LIKE escape sequences
+ protected $_like_escape_str = ' ESCAPE \'%s\' ';
+ protected $_like_escape_chr = '!';
+
+ /**
+ * The syntax to count rows is slightly different across different
+ * database engines, so this string appears in each driver and is
+ * used for the count_all() and count_all_results() functions.
+ */
+ protected $_count_string = 'SELECT COUNT(*) AS ';
+ protected $_random_keyword = ' RANDOM()';
+
+ /**
+ * Non-persistent database connection
+ *
+ * @return object type SQLite3
+ */
+ public function db_connect()
+ {
+ try
+ {
+ return ( ! $this->password)
+ ? new SQLite3($this->database)
+ : new SQLite3($this->database, SQLITE3_OPEN_READWRITE | SQLITE3_OPEN_CREATE, $this->password);
+ }
+ catch (Exception $e)
+ {
+ return FALSE;
+ }
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Persistent database connection
+ *
+ * @return object type SQLite3
+ */
+ public function db_pconnect()
+ {
+ log_message('debug', 'SQLite3 doesn\'t support persistent connections');
+ return $this->db_pconnect();
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Database version number
+ *
+ * @return string
+ */
+ public function version()
+ {
+ if (isset($this->data_cache['version']))
+ {
+ return $this->data_cache['version'];
+ }
+
+ $version = $this->conn_id->version();
+ return $this->data_cache['version'] = $version['versionString'];
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Execute the query
+ *
+ * @param string an SQL query
+ * @return mixed SQLite3Result object or bool
+ */
+ protected function _execute($sql)
+ {
+ // TODO: Implement use of SQLite3::querySingle(), if needed
+
+ return $this->is_write_type($sql)
+ ? $this->conn_id->exec($sql)
+ : $this->conn_id->query($sql);
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Begin Transaction
+ *
+ * @return bool
+ */
+ public function trans_begin($test_mode = FALSE)
+ {
+ // When transactions are nested we only begin/commit/rollback the outermost ones
+ if ( ! $this->trans_enabled OR $this->_trans_depth > 0)
+ {
+ return TRUE;
+ }
+
+ // Reset the transaction failure flag.
+ // If the $test_mode flag is set to TRUE transactions will be rolled back
+ // even if the queries produce a successful result.
+ $this->_trans_failure = ($test_mode === TRUE);
+
+ return $this->conn_id->exec('BEGIN TRANSACTION');
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Commit Transaction
+ *
+ * @return bool
+ */
+ public function trans_commit()
+ {
+ // When transactions are nested we only begin/commit/rollback the outermost ones
+ if ( ! $this->trans_enabled OR $this->_trans_depth > 0)
+ {
+ return TRUE;
+ }
+
+ return $this->conn_id->exec('END TRANSACTION');
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Rollback Transaction
+ *
+ * @return bool
+ */
+ public function trans_rollback()
+ {
+ // When transactions are nested we only begin/commit/rollback the outermost ones
+ if ( ! $this->trans_enabled OR $this->_trans_depth > 0)
+ {
+ return TRUE;
+ }
+
+ return $this->conn_id->exec('ROLLBACK');
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Escape String
+ *
+ * @param string
+ * @param bool whether or not the string will be used in a LIKE condition
+ * @return string
+ */
+ public function escape_str($str, $like = FALSE)
+ {
+ if (is_array($str))
+ {
+ foreach ($str as $key => $val)
+ {
+ $str[$key] = $this->escape_str($val, $like);
+ }
+
+ return $str;
+ }
+
+ $str = $this->conn_id->escapeString(remove_invisible_characters($str));
+
+ // escape LIKE condition wildcards
+ if ($like === TRUE)
+ {
+ return str_replace(array($this->_like_escape_chr, '%', '_'),
+ array($this->_like_escape_chr.$this->_like_escape_chr, $this->_like_escape_chr.'%', $this->_like_escape_chr.'_'),
+ $str);
+ }
+
+ return $str;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Affected Rows
+ *
+ * @return int
+ */
+ public function affected_rows()
+ {
+ return $this->conn_id->changes();
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Insert ID
+ *
+ * @return int
+ */
+ public function insert_id()
+ {
+ return $this->conn_id->lastInsertRowID();
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * "Count All" query
+ *
+ * Generates a platform-specific query string that counts all records in
+ * the specified database
+ *
+ * @param string
+ * @return int
+ */
+ public function count_all($table = '')
+ {
+ if ($table == '')
+ {
+ return 0;
+ }
+
+ $result = $this->conn_id->querySingle($this->_count_string.$this->protect_identifiers('numrows')
+ .' FROM '.$this->protect_identifiers($table, TRUE, NULL, FALSE));
+
+ return empty($result) ? 0 : (int) $result;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Show table query
+ *
+ * Generates a platform-specific query string so that the table names can be fetched
+ *
+ * @param bool
+ * @return string
+ */
+ protected function _list_tables($prefix_limit = FALSE)
+ {
+ return 'SELECT "NAME" FROM "SQLITE_MASTER" WHERE "TYPE" = \'table\''
+ .(($prefix_limit !== FALSE && $this->dbprefix != '')
+ ? ' AND "NAME" LIKE \''.$this->escape_like_str($this->dbprefix).'%\' '.sprintf($this->_like_escape_str, $this->_like_escape_chr)
+ : '');
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Show column query
+ *
+ * Generates a platform-specific query string so that the column names can be fetched
+ *
+ * @param string the table name
+ * @return string
+ */
+ protected function _list_columns($table = '')
+ {
+ // Not supported
+ return FALSE;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Field data query
+ *
+ * Generates a platform-specific query so that the column data can be retrieved
+ *
+ * @param string the table name
+ * @return string
+ */
+ protected function _field_data($table)
+ {
+ return 'SELECT * FROM '.$table.' LIMIT 0,1';
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * The error message string
+ *
+ * @return string
+ */
+ protected function _error_message()
+ {
+ return $this->conn_id->lastErrorMsg();
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * The error message number
+ *
+ * @return int
+ */
+ protected function _error_number()
+ {
+ return $this->conn_id->lastErrorCode();
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * From Tables
+ *
+ * This function implicitly groups FROM tables so there is no confusion
+ * about operator precedence in harmony with SQL standards
+ *
+ * @param string
+ * @return string
+ */
+ protected function _from_tables($tables)
+ {
+ if ( ! is_array($tables))
+ {
+ $tables = array($tables);
+ }
+
+ return '('.implode(', ', $tables).')';
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Replace statement
+ *
+ * Generates a platform-specific replace string from the supplied data
+ *
+ * @param string the table name
+ * @param array the insert keys
+ * @param array the insert values
+ * @return string
+ */
+ protected function _replace($table, $keys, $values)
+ {
+ return 'INSERT OR '.parent::_replace($table, $keys, $values);
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Truncate statement
+ *
+ * Generates a platform-specific truncate string from the supplied data
+ *
+ * If the database does not support the truncate() command, then,
+ * then this method maps to 'DELETE FROM table'
+ *
+ * @param string the table name
+ * @return string
+ */
+ protected function _truncate($table)
+ {
+ return 'DELETE FROM '.$table;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Limit string
+ *
+ * Generates a platform-specific LIMIT clause
+ *
+ * @param string the sql query string
+ * @param int the number of rows to limit the query to
+ * @param int the offset value
+ * @return string
+ */
+ protected function _limit($sql, $limit, $offset)
+ {
+ return $sql.' LIMIT '.($offset ? $offset.',' : '').$limit;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Close DB Connection
+ *
+ * @param object (ignored)
+ * @return void
+ */
+ protected function _close($conn_id)
+ {
+ $this->conn_id->close();
+ }
+
+}
+
+/* End of file sqlite3_driver.php */
+/* Location: ./system/database/drivers/sqlite3/sqlite3_driver.php */ \ No newline at end of file
diff --git a/system/database/drivers/sqlite3/sqlite3_forge.php b/system/database/drivers/sqlite3/sqlite3_forge.php
new file mode 100644
index 000000000..20f1e6f63
--- /dev/null
+++ b/system/database/drivers/sqlite3/sqlite3_forge.php
@@ -0,0 +1,195 @@
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+/**
+ * CodeIgniter
+ *
+ * An open source application development framework for PHP 5.1.6 or newer
+ *
+ * NOTICE OF LICENSE
+ *
+ * Licensed under the Open Software License version 3.0
+ *
+ * This source file is subject to the Open Software License (OSL 3.0) that is
+ * bundled with this package in the files license.txt / license.rst. It is
+ * also available through the world wide web at this URL:
+ * http://opensource.org/licenses/OSL-3.0
+ * If you did not receive a copy of the license and are unable to obtain it
+ * through the world wide web, please send an email to
+ * licensing@ellislab.com so we can send you a copy immediately.
+ *
+ * @package CodeIgniter
+ * @author EllisLab Dev Team
+ * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/)
+ * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0)
+ * @link http://codeigniter.com
+ * @since Version 1.0
+ * @filesource
+ */
+
+/**
+ * SQLite3 Forge Class
+ *
+ * @category Database
+ * @author Andrey Andreev
+ * @link http://codeigniter.com/user_guide/database/
+ */
+class CI_DB_sqlite3_forge extends CI_DB_forge {
+
+ /**
+ * Create database
+ *
+ * @param string the database name
+ * @return bool
+ */
+ public function create_database($db_name = '')
+ {
+ // In SQLite, a database is created when you connect to the database.
+ // We'll return TRUE so that an error isn't generated
+ return TRUE;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Drop database
+ *
+ * @param string the database name (ignored)
+ * @return bool
+ */
+ public function drop_database($db_name = '')
+ {
+ // In SQLite, a database is dropped when we delete a file
+ if (@file_exists($this->db->database))
+ {
+ // We need to close the pseudo-connection first
+ $this->db->close();
+ if ( ! @unlink($this->db->database))
+ {
+ return $this->db->db_debug ? $this->db->display_error('db_unable_to_drop') : FALSE;
+ }
+
+ return TRUE;
+ }
+
+ return $this->db->db_debug ? $this->db->display_error('db_unable_to_drop') : FALSE;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Create Table
+ *
+ * @param string the table name
+ * @param array the fields
+ * @param mixed primary key(s)
+ * @param mixed key(s)
+ * @param bool should 'IF NOT EXISTS' be added to the SQL
+ * @return bool
+ */
+ protected function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists)
+ {
+ $sql = 'CREATE TABLE ';
+
+ // IF NOT EXISTS added to SQLite in 3.3.0
+ if ($if_not_exists === TRUE && version_compare($this->db->version(), '3.3.0', '>=') === TRUE)
+ {
+ $sql .= 'IF NOT EXISTS ';
+ }
+
+ $sql .= $this->db->escape_identifiers($table).' (';
+ $current_field_count = 0;
+
+ foreach ($fields as $field => $attributes)
+ {
+ // Numeric field names aren't allowed in databases, so if the key is
+ // numeric, we know it was assigned by PHP and the developer manually
+ // entered the field information, so we'll simply add it to the list
+ if (is_numeric($field))
+ {
+ $sql .= "\n\t".$attributes;
+ }
+ else
+ {
+ $attributes = array_change_key_case($attributes, CASE_UPPER);
+
+ $sql .= "\n\t".$this->db->protect_identifiers($field)
+ .' '.$attributes['TYPE']
+ .( ! empty($attributes['CONSTRAINT']) ? '('.$attributes['CONSTRAINT'].')' : '')
+ .(( ! empty($attributes['UNSIGNED']) && $attributes['UNSIGNED'] === TRUE) ? ' UNSIGNED' : '')
+ .(isset($attributes['DEFAULT']) ? ' DEFAULT \''.$attributes['DEFAULT'].'\'' : '')
+ .(( ! empty($attributes['NULL']) && $attributes['NULL'] === TRUE) ? ' NULL' : ' NOT NULL')
+ .(( ! empty($attributes['AUTO_INCREMENT']) && $attributes['AUTO_INCREMENT'] === TRUE) ? ' AUTO_INCREMENT' : '');
+ }
+
+ // don't add a comma on the end of the last field
+ if (++$current_field_count < count($fields))
+ {
+ $sql .= ',';
+ }
+ }
+
+ if (count($primary_keys) > 0)
+ {
+ $primary_keys = $this->db->protect_identifiers($primary_keys);
+ $sql .= ",\n\tPRIMARY KEY (".implode(', ', $primary_keys).')';
+ }
+
+ if (is_array($keys) && count($keys) > 0)
+ {
+ foreach ($keys as $key)
+ {
+ if (is_array($key))
+ {
+ $key = $this->db->protect_identifiers($key);
+ }
+ else
+ {
+ $key = array($this->db->protect_identifiers($key));
+ }
+
+ $sql .= ",\n\tUNIQUE (".implode(', ', $key).')';
+ }
+ }
+
+ return $sql."\n)";
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Alter table query
+ *
+ * Generates a platform-specific query so that a table can be altered
+ * Called by add_column(), drop_column(), and column_alter(),
+ *
+ * @param string the ALTER type (ADD, DROP, CHANGE)
+ * @param string the column name
+ * @param string the table name
+ * @param string the column definition
+ * @param string the default value
+ * @param bool should 'NOT NULL' be added
+ * @param string the field after which we should add the new field
+ * @return string
+ */
+ protected function _alter_table($alter_type, $table, $column_name, $column_definition = '', $default_value = '', $null = '', $after_field = '')
+ {
+ /* SQLite only supports adding new columns and it does
+ * NOT support the AFTER statement. Each new column will
+ * be added as the last one in the table.
+ */
+ if ($alter_type !== 'ADD COLUMN')
+ {
+ // Not supported
+ return FALSE;
+ }
+
+ return 'ALTER TABLE '.$this->db->protect_identifiers($table).' '.$alter_type.' '.$this->db->protect_identifiers($column_name)
+ .' '.$column_definition
+ .($default_value != '' ? ' DEFAULT '.$default_value : '')
+ // If NOT NULL is specified, the field must have a DEFAULT value other than NULL
+ .(($null !== NULL && $default_value !== 'NULL') ? ' NOT NULL' : ' NULL');
+ }
+
+}
+
+/* End of file sqlite3_forge.php */
+/* Location: ./system/database/drivers/sqlite3/sqlite3_forge.php */ \ No newline at end of file
diff --git a/system/database/drivers/sqlite3/sqlite3_result.php b/system/database/drivers/sqlite3/sqlite3_result.php
new file mode 100644
index 000000000..d83d6b2cd
--- /dev/null
+++ b/system/database/drivers/sqlite3/sqlite3_result.php
@@ -0,0 +1,615 @@
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+/**
+ * CodeIgniter
+ *
+ * An open source application development framework for PHP 5.1.6 or newer
+ *
+ * NOTICE OF LICENSE
+ *
+ * Licensed under the Open Software License version 3.0
+ *
+ * This source file is subject to the Open Software License (OSL 3.0) that is
+ * bundled with this package in the files license.txt / license.rst. It is
+ * also available through the world wide web at this URL:
+ * http://opensource.org/licenses/OSL-3.0
+ * If you did not receive a copy of the license and are unable to obtain it
+ * through the world wide web, please send an email to
+ * licensing@ellislab.com so we can send you a copy immediately.
+ *
+ * @package CodeIgniter
+ * @author EllisLab Dev Team
+ * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/)
+ * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0)
+ * @link http://codeigniter.com
+ * @since Version 1.0
+ * @filesource
+ */
+
+/**
+ * SQLite Result Class
+ *
+ * This class extends the parent result class: CI_DB_result
+ *
+ * @category Database
+ * @author Andrey Andreev
+ * @link http://codeigniter.com/user_guide/database/
+ */
+class CI_DB_sqlite3_result extends CI_DB_result {
+
+ // Overwriting the parent here, so we have a way to know if it's already set
+ public $num_rows;
+
+ // num_fields() might be called multiple times, so we'll use this one to cache it's result
+ protected $_num_fields;
+
+ /**
+ * Number of rows in the result set
+ *
+ * @return int
+ */
+ public function num_rows()
+ {
+ /* The SQLite3 driver doesn't have a graceful way to do this,
+ * so we'll have to do it on our own.
+ */
+ return is_int($this->num_rows)
+ ? $this->num_rows
+ : $this->num_rows = count($this->result_array());
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Number of fields in the result set
+ *
+ * @return int
+ */
+ public function num_fields()
+ {
+ return ( ! is_int($this->_num_fields))
+ ? $this->_num_fields = $this->result_id->numColumns()
+ : $this->_num_fields;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Fetch Field Names
+ *
+ * Generates an array of column names
+ *
+ * @return array
+ */
+ public function list_fields()
+ {
+ $field_names = array();
+ for ($i = 0, $c = $this->num_fields(); $i < $c; $i++)
+ {
+ $field_names[] = $this->result_id->columnName($i);
+ }
+
+ return $field_names;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Field data
+ *
+ * Generates an array of objects containing field meta-data
+ *
+ * @return array
+ */
+ public function field_data()
+ {
+ $retval = array();
+ for ($i = 0, $c = $this->num_fields(); $i < $this->num_fields(); $i++)
+ {
+ $retval[$i] = new stdClass();
+ $retval[$i]->name = $this->result_id->columnName($i);
+ $retval[$i]->type = 'varchar';
+ $retval[$i]->max_length = 0;
+ $retval[$i]->primary_key = 0;
+ $retval[$i]->default = '';
+ }
+
+ return $retval;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Free the result
+ *
+ * @return void
+ */
+ public function free_result()
+ {
+ if (is_object($this->result_id))
+ {
+ $this->result_id->finalize();
+ $this->result_id = NULL;
+ }
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Result - associative array
+ *
+ * Returns the result set as an array
+ *
+ * @return array
+ */
+ protected function _fetch_assoc()
+ {
+ return $this->result_id->fetchArray(SQLITE3_ASSOC);
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Result - object
+ *
+ * Returns the result set as an object
+ *
+ * @return object
+ */
+ protected function _fetch_object()
+ {
+ // No native support for fetching as an object
+ $row = $this->_fetch_assoc();
+ return ($row !== FALSE) ? (object) $row : FALSE;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Query result. "array" version.
+ *
+ * return array
+ */
+ public function result_array()
+ {
+ if (count($this->result_array) > 0)
+ {
+ return $this->result_array;
+ }
+ elseif (is_array($this->row_data))
+ {
+ if (count($this->row_data) === 0)
+ {
+ return $this->result_array;
+ }
+ else
+ {
+ $row_index = count($this->row_data);
+ }
+ }
+ else
+ {
+ $row_index = 0;
+ $this->row_data = array();
+ }
+
+ $row = NULL;
+ while ($row = $this->_fetch_assoc())
+ {
+ $this->row_data[$row_index++] = $row;
+ }
+
+ return $this->result_array = $this->row_data;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Query result. "object" version.
+ *
+ * @return array
+ */
+ public function result_object()
+ {
+ if (count($this->result_object) > 0)
+ {
+ return $this->result_object;
+ }
+ elseif (count($this->result_array) > 0)
+ {
+ for ($i = 0, $c = count($this->result_array); $i < $c; $i++)
+ {
+ $this->result_object[] = (object) $this->result_array[$i];
+ }
+
+ return $this->result_object;
+ }
+ elseif (is_array($this->row_data))
+ {
+ if (count($this->row_data) === 0)
+ {
+ return $this->result_object;
+ }
+ else
+ {
+ $row_index = count($this->row_data);
+ for ($i = 0; $i < $row_index; $i++)
+ {
+ $this->result_object[$i] = (object) $this->row_data[$i];
+ }
+ }
+ }
+ else
+ {
+ $row_index = 0;
+ $this->row_data = array();
+ }
+
+ $row = NULL;
+ while ($row = $this->_fetch_assoc())
+ {
+ $this->row_data[$row_index] = $row;
+ $this->result_object[$row_index++] = (object) $row;
+ }
+
+ $this->result_array = $this->row_data;
+
+ /* As described for the num_rows() method - there's no easy
+ * way to get the number of rows selected. Our work-around
+ * solution (as in here as well) first checks if result_array
+ * exists and returns its count. It doesn't however check for
+ * custom_object_result, so - do it here.
+ */
+ if ( ! is_int($this->num_rows))
+ {
+ $this->num_rows = count($this->result_object);
+ }
+
+ return $this->result_object;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Query result. Custom object version.
+ *
+ * @param string class name used to instantiate rows to
+ * @return array
+ */
+ public function custom_result_object($class_name)
+ {
+ if (array_key_exists($class_name, $this->custom_result_object))
+ {
+ return $this->custom_result_object[$class_name];
+ }
+
+ if ( ! class_exists($class_name) OR ! is_object($this->result_id) OR $this->num_rows() === 0)
+ {
+ return array();
+ }
+
+ /* Even if result_array hasn't been set prior to custom_result_object being called,
+ * num_rows() has done it.
+ */
+ $data = &$this->result_array;
+
+ $result_object = array();
+ for ($i = 0, $c = count($data); $i < $c; $i++)
+ {
+ $result_object[$i] = new $class_name();
+ foreach ($data[$i] as $key => $value)
+ {
+ $result_object[$i]->$key = $value;
+ }
+ }
+
+ /* As described for the num_rows() method - there's no easy
+ * way to get the number of rows selected. Our work-around
+ * solution (as in here as well) first checks if result_array
+ * exists and returns its count. It doesn't however check for
+ * custom_object_result, so - do it here.
+ */
+ if ( ! is_int($this->num_rows))
+ {
+ $this->num_rows = count($result_object);
+ }
+
+ // Cache and return the array
+ return $this->custom_result_object[$class_name] = $result_object;
+ }
+
+ // --------------------------------------------------------------------
+
+ /* Single row result.
+ *
+ * Acts as a wrapper for row_object(), row_array()
+ * and custom_row_object(). Also used by first_row(), next_row()
+ * and previous_row().
+ *
+ * @param int row index
+ * @param string ('object', 'array' or a custom class name)
+ * @return mixed whatever was passed to the second parameter
+ */
+ public function row($n = 0, $type = 'object')
+ {
+ if ($type === 'object')
+ {
+ return $this->row_object($n);
+ }
+ elseif ($type === 'array')
+ {
+ return $this->row_array($n);
+ }
+
+ return $this->custom_row_object($n, $type);
+ }
+
+ // --------------------------------------------------------------------
+
+ /* Single row result. Array version.
+ *
+ * @param int row index
+ * @return array
+ */
+ public function row_array($n = 0)
+ {
+ // Make sure $n is not a string
+ if ( ! is_int($n))
+ {
+ $n = (int) $n;
+ }
+
+ /* If row_data is initialized, it means that we've already tried
+ * (at least) to fetch some data, so ... check if we already have
+ * this row.
+ */
+ if (is_array($this->row_data))
+ {
+ /* If we already have row_data[$n] - return it.
+ *
+ * If we enter the elseif, there's a number of reasons to
+ * return an empty array:
+ *
+ * - count($this->row_data) === 0 means there are no results
+ * - num_rows being set or result_array having count() > 0 means
+ * that we've already fetched all data and $n is greater than
+ * our highest row index available
+ * - $n < $this->current_row means that if such row existed,
+ * we would've already returned it, therefore $n is an
+ * invalid index
+ */
+ if (isset($this->row_data[$n])) // We already have this row
+ {
+ $this->current_row = $n;
+ return $this->row_data[$n];
+ }
+ elseif (count($this->row_data) === 0 OR is_int($this->num_rows)
+ OR count($this->result_array) > 0 OR $n < $this->current_row)
+ {
+ // No such row exists
+ return array();
+ }
+
+ // Get the next row index that would actually need to be fetched
+ $current_row = ($this->current_row < count($this->row_data)) ? count($this->row_data) : $this->current_row + 1;
+ }
+ else
+ {
+ $current_row = $this->current_row = 0;
+ $this->row_data = array();
+ }
+
+ /* Fetch more data, if available
+ *
+ * NOTE: Operator precedence is important here, if you change
+ * 'AND' with '&&' - it WILL BREAK the results, as
+ * $row will be assigned the scalar value of both
+ * expressions!
+ */
+ while ($row = $this->_fetch_assoc() AND $current_row <= $n)
+ {
+ $this->row_data[$current_row++] = $row;
+ }
+
+ // This would mean that there's no (more) data to fetch
+ if ( ! is_array($this->row_data) OR ! isset($this->row_data[$n]))
+ {
+ // Cache what we already have
+ if (is_array($this->row_data))
+ {
+ $this->num_rows = count($this->row_data);
+ /* Usually, row_data could have less elements than result_array,
+ * but at this point - they should be exactly the same.
+ */
+ $this->result_array = $this->row_data;
+ }
+ else
+ {
+ $this->num_rows = 0;
+ }
+
+ return array();
+ }
+
+ $this->current_row = $n;
+ return $this->row_data[$n];
+ }
+
+ // --------------------------------------------------------------------
+
+ /* Single row result. Object version.
+ *
+ * @param int row index
+ * @return mixed object if row found; empty array if not
+ */
+ public function row_object($n = 0)
+ {
+ // Make sure $n is not a string
+ if ( ! is_int($n))
+ {
+ $n = (int) $n;
+ }
+
+ /* Logic here is exactly the same as in row_array,
+ * except we have to cast row_data[$n] to an object.
+ *
+ * If we already have result_object though - we can
+ * directly return from it.
+ */
+ if (isset($this->result_object[$n]))
+ {
+ $this->current_row = $n;
+ return $this->result_object[$n];
+ }
+
+ $row = $this->row_array($n);
+ // Cast only if the row exists
+ if (count($row) > 0)
+ {
+ $this->current_row = $n;
+ return (object) $row;
+ }
+
+ return array();
+ }
+
+ // --------------------------------------------------------------------
+
+ /* Single row result. Custom object version.
+ *
+ * @param int row index
+ * @param string custom class name
+ * @return mixed custom object if row found; empty array otherwise
+ */
+ public function custom_row_object($n = 0, $class_name)
+ {
+ // Make sure $n is not a string
+ if ( ! is_int($n))
+ {
+ $n = (int) $n;
+ }
+
+ if (array_key_exists($class_name, $this->custom_result_object))
+ {
+ /* We already have a the whole result set with this class_name,
+ * return the specified row if it exists, and an empty array if
+ * it doesn't.
+ */
+ if (isset($this->custom_result_object[$class_name][$n]))
+ {
+ $this->current_row = $n;
+ return $this->custom_result_object[$class_name][$n];
+ }
+ else
+ {
+ return array();
+ }
+ }
+ elseif ( ! class_exists($class_name)) // No such class exists
+ {
+ return array();
+ }
+
+ $row = $this->row_array($n);
+ // An array would mean that the row doesn't exist
+ if (is_array($row))
+ {
+ return $row;
+ }
+
+ // Convert to the desired class and return
+ $row_object = new $class_name();
+ foreach ($row as $key => $value)
+ {
+ $row_object->$key = $value;
+ }
+
+ $this->current_row = $n;
+ return $row_object;
+ }
+
+ // --------------------------------------------------------------------
+
+ /* First row result.
+ *
+ * @param string ('object', 'array' or a custom class name)
+ * @return mixed whatever was passed to the second parameter
+ */
+ public function first_row($type = 'object')
+ {
+ return $this->row(0, $type);
+ }
+
+ // --------------------------------------------------------------------
+
+ /* Last row result.
+ *
+ * @param string ('object', 'array' or a custom class name)
+ * @return mixed whatever was passed to the second parameter
+ */
+ public function last_row($type = 'object')
+ {
+ $result = &$this->result($type);
+ if ( ! isset($this->num_rows))
+ {
+ $this->num_rows = count($result);
+ }
+ $this->current_row = $this->num_rows - 1;
+ return $result[$this->current_row];
+ }
+
+ // --------------------------------------------------------------------
+
+ /* Next row result.
+ *
+ * @param string ('object', 'array' or a custom class name)
+ * @return mixed whatever was passed to the second parameter
+ */
+ public function next_row($type = 'object')
+ {
+ if (is_array($this->row_data))
+ {
+ $count = count($this->row_data);
+ $n = ($this->current_row > $count OR ($this->current_row === 0 && $count === 0)) ? $count : $this->current_row + 1;
+ }
+ else
+ {
+ $n = 0;
+ }
+
+ return $this->row($n, $type);
+ }
+
+ // --------------------------------------------------------------------
+
+ /* Previous row result.
+ *
+ * @param string ('object', 'array' or a custom class name)
+ * @return mixed whatever was passed to the second parameter
+ */
+ public function previous_row($type = 'object')
+ {
+ $n = ($this->current_row !== 0) ? $this->current_row - 1 : 0;
+ return $this->row($n, $type);
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Data Seek
+ *
+ * Moves the internal pointer to the desired offset. We call
+ * this internally before fetching results to make sure the
+ * result set starts at zero
+ *
+ * @return array
+ */
+ protected function _data_seek($n = 0)
+ {
+ // Only resetting to the start of the result set is supported
+ return $this->result_id->reset();
+ }
+
+}
+
+/* End of file sqlite3_result.php */
+/* Location: ./system/database/drivers/sqlite3/sqlite3_result.php */ \ No newline at end of file
diff --git a/system/database/drivers/sqlite3/sqlite3_utility.php b/system/database/drivers/sqlite3/sqlite3_utility.php
new file mode 100644
index 000000000..965c838e5
--- /dev/null
+++ b/system/database/drivers/sqlite3/sqlite3_utility.php
@@ -0,0 +1,54 @@
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+/**
+ * CodeIgniter
+ *
+ * An open source application development framework for PHP 5.1.6 or newer
+ *
+ * NOTICE OF LICENSE
+ *
+ * Licensed under the Open Software License version 3.0
+ *
+ * This source file is subject to the Open Software License (OSL 3.0) that is
+ * bundled with this package in the files license.txt / license.rst. It is
+ * also available through the world wide web at this URL:
+ * http://opensource.org/licenses/OSL-3.0
+ * If you did not receive a copy of the license and are unable to obtain it
+ * through the world wide web, please send an email to
+ * licensing@ellislab.com so we can send you a copy immediately.
+ *
+ * @package CodeIgniter
+ * @author EllisLab Dev Team
+ * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/)
+ * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0)
+ * @link http://codeigniter.com
+ * @since Version 1.0
+ * @filesource
+ */
+
+/**
+ * SQLite3 Utility Class
+ *
+ * @category Database
+ * @author Andrey Andreev
+ * @link http://codeigniter.com/user_guide/database/
+ */
+class CI_DB_sqlite3_utility extends CI_DB_utility {
+
+ protected $_list_databases = FALSE;
+
+ /**
+ * SQLite Export
+ *
+ * @param array Preferences
+ * @return mixed
+ */
+ protected function _backup($params = array())
+ {
+ // Not supported
+ return $this->db->display_error('db_unsuported_feature');
+ }
+
+}
+
+/* End of file sqlite3_utility.php */
+/* Location: ./system/database/drivers/sqlite3/sqlite3_utility.php */ \ No newline at end of file
diff --git a/system/database/drivers/sqlsrv/sqlsrv_driver.php b/system/database/drivers/sqlsrv/sqlsrv_driver.php
index 6fd52ef70..951567033 100644
--- a/system/database/drivers/sqlsrv/sqlsrv_driver.php
+++ b/system/database/drivers/sqlsrv/sqlsrv_driver.php
@@ -1,13 +1,13 @@
-<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
- * An open source application development framework for PHP 5.1.6 or newer
+ * An open source application development framework for PHP 5.2.4 or newer
*
* NOTICE OF LICENSE
- *
+ *
* Licensed under the Open Software License version 3.0
- *
+ *
* This source file is subject to the Open Software License (OSL 3.0) that is
* bundled with this package in the files license.txt / license.rst. It is
* also available through the world wide web at this URL:
@@ -25,8 +25,6 @@
* @filesource
*/
-// ------------------------------------------------------------------------
-
/**
* SQLSRV Database Adapter Class
*
@@ -42,46 +40,46 @@
*/
class CI_DB_sqlsrv_driver extends CI_DB {
- var $dbdriver = 'sqlsrv';
+ public $dbdriver = 'sqlsrv';
// The character used for escaping
- var $_escape_char = '';
+ protected $_escape_char = '';
// clause and character used for LIKE escape sequences
- var $_like_escape_str = " ESCAPE '%s' ";
- var $_like_escape_chr = '!';
+ protected $_like_escape_str = " ESCAPE '%s' ";
+ protected $_like_escape_chr = '!';
/**
* The syntax to count rows is slightly different across different
* database engines, so this string appears in each driver and is
* used for the count_all() and count_all_results() functions.
*/
- var $_count_string = "SELECT COUNT(*) AS ";
- var $_random_keyword = ' ASC'; // not currently supported
+ protected $_count_string = 'SELECT COUNT(*) AS ';
+ protected $_random_keyword = ' NEWID()'; // not currently supported
/**
* Non-persistent database connection
*
- * @access private called by the base class
* @return resource
*/
- function db_connect($pooling = false)
+ public function db_connect($pooling = FALSE)
{
// Check for a UTF-8 charset being passed as CI's default 'utf8'.
$character_set = (0 === strcasecmp('utf8', $this->char_set)) ? 'UTF-8' : $this->char_set;
$connection = array(
- 'UID' => empty($this->username) ? '' : $this->username,
- 'PWD' => empty($this->password) ? '' : $this->password,
- 'Database' => $this->database,
- 'ConnectionPooling' => $pooling ? 1 : 0,
+ 'UID' => empty($this->username) ? '' : $this->username,
+ 'PWD' => empty($this->password) ? '' : $this->password,
+ 'Database' => $this->database,
+ 'ConnectionPooling' => $pooling ? 1 : 0,
'CharacterSet' => $character_set,
- 'ReturnDatesAsStrings' => 1
+ 'ReturnDatesAsStrings' => 1
);
-
- // If the username and password are both empty, assume this is a
+
+ // If the username and password are both empty, assume this is a
// 'Windows Authentication Mode' connection.
- if(empty($connection['UID']) && empty($connection['PWD'])) {
+ if (empty($connection['UID']) && empty($connection['PWD']))
+ {
unset($connection['UID'], $connection['PWD']);
}
@@ -93,10 +91,9 @@ class CI_DB_sqlsrv_driver extends CI_DB {
/**
* Persistent database connection
*
- * @access private called by the base class
* @return resource
*/
- function db_pconnect()
+ public function db_pconnect()
{
return $this->db_connect(TRUE);
}
@@ -104,46 +101,25 @@ class CI_DB_sqlsrv_driver extends CI_DB {
// --------------------------------------------------------------------
/**
- * Reconnect
- *
- * Keep / reestablish the db connection if no queries have been
- * sent for a length of time exceeding the server's idle timeout
- *
- * @access public
- * @return void
- */
- function reconnect()
- {
- // not implemented in MSSQL
- }
-
- // --------------------------------------------------------------------
-
- /**
* Select the database
*
- * @access private called by the base class
- * @return resource
+ * @param string database name
+ * @return bool
*/
- function db_select()
+ public function db_select($database = '')
{
- return $this->_execute('USE ' . $this->database);
- }
+ if ($database === '')
+ {
+ $database = $this->database;
+ }
- // --------------------------------------------------------------------
+ if ($this->_execute('USE '.$database))
+ {
+ $this->database = $database;
+ return TRUE;
+ }
- /**
- * Set client character set
- *
- * @access public
- * @param string
- * @param string
- * @return resource
- */
- function db_set_charset($charset, $collation)
- {
- // @todo - add support if needed
- return TRUE;
+ return FALSE;
}
// --------------------------------------------------------------------
@@ -151,33 +127,16 @@ class CI_DB_sqlsrv_driver extends CI_DB {
/**
* Execute the query
*
- * @access private called by the base class
* @param string an SQL query
* @return resource
*/
- function _execute($sql)
+ protected function _execute($sql)
{
- $sql = $this->_prep_query($sql);
- return sqlsrv_query($this->conn_id, $sql, null, array(
- 'Scrollable' => SQLSRV_CURSOR_STATIC,
- 'SendStreamParamsAtExec' => true
- ));
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Prep the query
- *
- * If needed, each database adapter can prep the query string
- *
- * @access private called by execute()
- * @param string an SQL query
- * @return string
- */
- function _prep_query($sql)
- {
- return $sql;
+ return sqlsrv_query($this->conn_id,
+ $sql,
+ NULL,
+ array('Scrollable'=> SQLSRV_CURSOR_STATIC, 'SendStreamParamsAtExec' => TRUE)
+ );
}
// --------------------------------------------------------------------
@@ -185,10 +144,9 @@ class CI_DB_sqlsrv_driver extends CI_DB {
/**
* Begin Transaction
*
- * @access public
* @return bool
*/
- function trans_begin($test_mode = FALSE)
+ public function trans_begin($test_mode = FALSE)
{
if ( ! $this->trans_enabled)
{
@@ -214,10 +172,9 @@ class CI_DB_sqlsrv_driver extends CI_DB {
/**
* Commit Transaction
*
- * @access public
* @return bool
*/
- function trans_commit()
+ public function trans_commit()
{
if ( ! $this->trans_enabled)
{
@@ -238,10 +195,9 @@ class CI_DB_sqlsrv_driver extends CI_DB {
/**
* Rollback Transaction
*
- * @access public
* @return bool
*/
- function trans_rollback()
+ public function trans_rollback()
{
if ( ! $this->trans_enabled)
{
@@ -262,12 +218,11 @@ class CI_DB_sqlsrv_driver extends CI_DB {
/**
* Escape String
*
- * @access public
* @param string
* @param bool whether or not the string will be used in a LIKE condition
* @return string
*/
- function escape_str($str, $like = FALSE)
+ public function escape_str($str, $like = FALSE)
{
// Escape single quotes
return str_replace("'", "''", $str);
@@ -278,10 +233,9 @@ class CI_DB_sqlsrv_driver extends CI_DB {
/**
* Affected Rows
*
- * @access public
- * @return integer
+ * @return int
*/
- function affected_rows()
+ public function affected_rows()
{
return @sqlrv_rows_affected($this->conn_id);
}
@@ -289,48 +243,39 @@ class CI_DB_sqlsrv_driver extends CI_DB {
// --------------------------------------------------------------------
/**
- * Insert ID
- *
- * Returns the last id created in the Identity column.
- *
- * @access public
- * @return integer
- */
- function insert_id()
+ * Insert ID
+ *
+ * Returns the last id created in the Identity column.
+ *
+ * @return string
+ */
+ public function insert_id()
{
- return $this->query('select @@IDENTITY as insert_id')->row('insert_id');
+ $query = $this->query('SELECT @@IDENTITY AS insert_id');
+ $query = $query->row();
+ return $query->insert_id;
}
// --------------------------------------------------------------------
/**
- * Parse major version
- *
- * Grabs the major version number from the
- * database server version string passed in.
- *
- * @access private
- * @param string $version
- * @return int16 major version number
- */
- function _parse_major_version($version)
+ * Database version number
+ *
+ * @return string
+ */
+ public function version()
{
- preg_match('/([0-9]+)\.([0-9]+)\.([0-9]+)/', $version, $ver_info);
- return $ver_info[1]; // return the major version b/c that's all we're interested in.
- }
+ if (isset($this->data_cache['version']))
+ {
+ return $this->data_cache['version'];
+ }
- // --------------------------------------------------------------------
+ if (($info = sqlsrv_server_info($this->conn_id)) === FALSE)
+ {
+ return FALSE;
+ }
- /**
- * Version number query string
- *
- * @access public
- * @return string
- */
- function _version()
- {
- $info = sqlsrv_server_info($this->conn_id);
- return sprintf("select '%s' as ver", $info['SQLServerVersion']);
+ return $this->data_cache['version'] = $info['SQLServerVersion'];
}
// --------------------------------------------------------------------
@@ -341,23 +286,25 @@ class CI_DB_sqlsrv_driver extends CI_DB {
* Generates a platform-specific query string that counts all records in
* the specified database
*
- * @access public
* @param string
- * @return string
+ * @return int
*/
- function count_all($table = '')
+ public function count_all($table = '')
{
if ($table == '')
- return '0';
-
+ {
+ return 0;
+ }
+
$query = $this->query("SELECT COUNT(*) AS numrows FROM " . $this->dbprefix . $table);
-
if ($query->num_rows() == 0)
- return '0';
+ {
+ return 0;
+ }
$row = $query->row();
$this->_reset_select();
- return $row->numrows;
+ return (int) $row->numrows;
}
// --------------------------------------------------------------------
@@ -367,11 +314,10 @@ class CI_DB_sqlsrv_driver extends CI_DB {
*
* Generates a platform-specific query string so that the table names can be fetched
*
- * @access private
- * @param boolean
+ * @param bool
* @return string
*/
- function _list_tables($prefix_limit = FALSE)
+ protected function _list_tables($prefix_limit = FALSE)
{
return "SELECT name FROM sysobjects WHERE type = 'U' ORDER BY name";
}
@@ -383,13 +329,12 @@ class CI_DB_sqlsrv_driver extends CI_DB {
*
* Generates a platform-specific query string so that the column names can be fetched
*
- * @access private
* @param string the table name
* @return string
*/
- function _list_columns($table = '')
+ protected function _list_columns($table = '')
{
- return "SELECT * FROM INFORMATION_SCHEMA.Columns WHERE TABLE_NAME = '".$this->_escape_table($table)."'";
+ return "SELECT * FROM INFORMATION_SCHEMA.Columns WHERE TABLE_NAME = '".$table."'";
}
// --------------------------------------------------------------------
@@ -399,73 +344,50 @@ class CI_DB_sqlsrv_driver extends CI_DB {
*
* Generates a platform-specific query so that the column data can be retrieved
*
- * @access public
* @param string the table name
- * @return object
- */
- function _field_data($table)
- {
- return "SELECT TOP 1 * FROM " . $this->_escape_table($table);
- }
-
- // --------------------------------------------------------------------
-
- /**
- * The error message string
- *
- * @access private
* @return string
*/
- function _error_message()
+ protected function _field_data($table)
{
- $error = array_shift(sqlsrv_errors());
- return !empty($error['message']) ? $error['message'] : null;
+ return 'SELECT TOP 1 * FROM '.$table;
}
// --------------------------------------------------------------------
/**
- * The error message number
+ * Error
+ *
+ * Returns an array containing code and message of the last
+ * database error that has occured.
*
- * @access private
- * @return integer
+ * @return array
*/
- function _error_number()
+ public function error()
{
- $error = array_shift(sqlsrv_errors());
- return isset($error['SQLSTATE']) ? $error['SQLSTATE'] : null;
- }
+ $error = array('code' => '00000', 'message' => '');
+ $sqlsrv_errors = sqlsrv_errors(SQLSRV_ERR_ERRORS);
- // --------------------------------------------------------------------
+ if ( ! is_array($sqlsrv_errors))
+ {
+ return $error;
+ }
- /**
- * Escape Table Name
- *
- * This function adds backticks if the table name has a period
- * in it. Some DBs will get cranky unless periods are escaped
- *
- * @access private
- * @param string the table name
- * @return string
- */
- function _escape_table($table)
- {
- return $table;
- }
+ $sqlsrv_error = array_shift($sqlsrv_errors);
+ if (isset($sqlsrv_error['SQLSTATE']))
+ {
+ $error['code'] = isset($sqlsrv_error['code']) ? $sqlsrv_error['SQLSTATE'].'/'.$sqlsrv_error['code'] : $sqlsrv_error['SQLSTATE'];
+ }
+ elseif (isset($sqlsrv_error['code']))
+ {
+ $error['code'] = $sqlsrv_error['code'];
+ }
+ if (isset($sqlsrv_error['message']))
+ {
+ $error['message'] = $sqlsrv_error['message'];
+ }
- /**
- * Escape the SQL Identifiers
- *
- * This function escapes column and table names
- *
- * @access private
- * @param string
- * @return string
- */
- function _escape_identifiers($item)
- {
- return $item;
+ return $error;
}
// --------------------------------------------------------------------
@@ -476,11 +398,10 @@ class CI_DB_sqlsrv_driver extends CI_DB {
* This function implicitly groups FROM tables so there is no confusion
* about operator precedence in harmony with SQL standards
*
- * @access public
- * @param type
- * @return type
+ * @param array
+ * @return string
*/
- function _from_tables($tables)
+ protected function _from_tables($tables)
{
if ( ! is_array($tables))
{
@@ -493,62 +414,51 @@ class CI_DB_sqlsrv_driver extends CI_DB {
// --------------------------------------------------------------------
/**
- * Insert statement
- *
- * Generates a platform-specific insert string from the supplied data
- *
- * @access public
- * @param string the table name
- * @param array the insert keys
- * @param array the insert values
- * @return string
- */
- function _insert($table, $keys, $values)
- {
- return "INSERT INTO ".$this->_escape_table($table)." (".implode(', ', $keys).") VALUES (".implode(', ', $values).")";
- }
-
- // --------------------------------------------------------------------
-
- /**
* Update statement
*
* Generates a platform-specific update string from the supplied data
*
- * @access public
* @param string the table name
* @param array the update data
* @param array the where clause
- * @param array the orderby clause
- * @param array the limit clause
+ * @param array the orderby clause (ignored)
+ * @param array the limit clause (ignored)
+ * @param array the like clause
* @return string
*/
- function _update($table, $values, $where)
+ protected function _update($table, $values, $where, $orderby = array(), $limit = FALSE, $like = array())
{
foreach($values as $key => $val)
{
- $valstr[] = $key." = ".$val;
+ $valstr[] = $key.' = '.$val;
}
-
- return "UPDATE ".$this->_escape_table($table)." SET ".implode(', ', $valstr)." WHERE ".implode(" ", $where);
+
+ $where = empty($where) ? '' : ' WHERE '.implode(' ', $where);
+
+ if ( ! empty($like))
+ {
+ $where .= ($where === '' ? ' WHERE ' : ' AND ').implode(' ', $like);
+ }
+
+ return 'UPDATE '.$table.' SET '.implode(', ', $valstr).' WHERE '.$where;
}
-
+
// --------------------------------------------------------------------
/**
* Truncate statement
*
* Generates a platform-specific truncate string from the supplied data
- * If the database does not support the truncate() command
- * This function maps to "DELETE FROM table"
*
- * @access public
+ * If the database does not support the truncate() command,
+ * then this method maps to 'DELETE FROM table'
+ *
* @param string the table name
* @return string
*/
- function _truncate($table)
+ protected function _truncate($table)
{
- return "TRUNCATE ".$table;
+ return 'TRUNCATE TABLE '.$table;
}
// --------------------------------------------------------------------
@@ -558,15 +468,24 @@ class CI_DB_sqlsrv_driver extends CI_DB {
*
* Generates a platform-specific delete string from the supplied data
*
- * @access public
* @param string the table name
* @param array the where clause
+ * @param array the like clause
* @param string the limit clause
* @return string
*/
- function _delete($table, $where)
+ protected function _delete($table, $where = array(), $like = array(), $limit = FALSE)
{
- return "DELETE FROM ".$this->_escape_table($table)." WHERE ".implode(" ", $where);
+ $conditions = array();
+
+ empty($where) OR $conditions[] = implode(' ', $where);
+ empty($like) OR $conditions[] = implode(' ', $like);
+
+ $conditions = (count($conditions) > 0) ? ' WHERE '.implode(' AND ', $conditions) : '';
+
+ return ($limit)
+ ? 'WITH ci_delete AS (SELECT TOP '.$limit.' * FROM '.$table.$conditions.') DELETE FROM ci_delete'
+ : 'DELETE FROM '.$table.$conditions;
}
// --------------------------------------------------------------------
@@ -576,17 +495,14 @@ class CI_DB_sqlsrv_driver extends CI_DB {
*
* Generates a platform-specific LIMIT clause
*
- * @access public
* @param string the sql query string
- * @param integer the number of rows to limit the query to
- * @param integer the offset value
+ * @param int the number of rows to limit the query to
+ * @param int the offset value
* @return string
*/
- function _limit($sql, $limit, $offset)
+ protected function _limit($sql, $limit, $offset)
{
- $i = $limit + $offset;
-
- return preg_replace('/(^\SELECT (DISTINCT)?)/i','\\1 TOP '.$i.' ', $sql);
+ return preg_replace('/(^\SELECT (DISTINCT)?)/i','\\1 TOP '.($limit + $offset).' ', $sql);
}
// --------------------------------------------------------------------
@@ -594,18 +510,15 @@ class CI_DB_sqlsrv_driver extends CI_DB {
/**
* Close DB Connection
*
- * @access public
* @param resource
* @return void
*/
- function _close($conn_id)
+ protected function _close($conn_id)
{
@sqlsrv_close($conn_id);
}
}
-
-
-/* End of file mssql_driver.php */
-/* Location: ./system/database/drivers/mssql/mssql_driver.php */ \ No newline at end of file
+/* End of file sqlsrv_driver.php */
+/* Location: ./system/database/drivers/sqlsrv/sqlsrv_driver.php */ \ No newline at end of file
diff --git a/system/database/drivers/sqlsrv/sqlsrv_forge.php b/system/database/drivers/sqlsrv/sqlsrv_forge.php
index 2a7766927..e9143b269 100644
--- a/system/database/drivers/sqlsrv/sqlsrv_forge.php
+++ b/system/database/drivers/sqlsrv/sqlsrv_forge.php
@@ -1,13 +1,13 @@
-<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
- * An open source application development framework for PHP 5.1.6 or newer
+ * An open source application development framework for PHP 5.2.4 or newer
*
* NOTICE OF LICENSE
- *
+ *
* Licensed under the Open Software License version 3.0
- *
+ *
* This source file is subject to the Open Software License (OSL 3.0) that is
* bundled with this package in the files license.txt / license.rst. It is
* also available through the world wide web at this URL:
@@ -25,8 +25,6 @@
* @filesource
*/
-// ------------------------------------------------------------------------
-
/**
* SQLSRV Forge Class
*
@@ -36,59 +34,19 @@
*/
class CI_DB_sqlsrv_forge extends CI_DB_forge {
- /**
- * Create database
- *
- * @access private
- * @param string the database name
- * @return bool
- */
- function _create_database($name)
- {
- return "CREATE DATABASE ".$name;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Drop database
- *
- * @access private
- * @param string the database name
- * @return bool
- */
- function _drop_database($name)
- {
- return "DROP DATABASE ".$name;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Drop Table
- *
- * @access private
- * @return bool
- */
- function _drop_table($table)
- {
- return "DROP TABLE ".$this->db->_escape_identifiers($table);
- }
-
- // --------------------------------------------------------------------
+ protected $_drop_table = 'DROP TABLE %s';
/**
* Create Table
*
- * @access private
* @param string the table name
* @param array the fields
* @param mixed primary key(s)
* @param mixed key(s)
- * @param boolean should 'IF NOT EXISTS' be added to the SQL
+ * @param bool should 'IF NOT EXISTS' be added to the SQL
* @return bool
*/
- function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists)
+ protected function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists)
{
$sql = 'CREATE TABLE ';
@@ -97,10 +55,10 @@ class CI_DB_sqlsrv_forge extends CI_DB_forge {
$sql .= 'IF NOT EXISTS ';
}
- $sql .= $this->db->_escape_identifiers($table)." (";
+ $sql .= $this->db->escape_identifiers($table).' (';
$current_field_count = 0;
- foreach ($fields as $field=>$attributes)
+ foreach ($fields as $field => $attributes)
{
// Numeric field names aren't allowed in databases, so if the key is
// numeric, we know it was assigned by PHP and the developer manually
@@ -113,7 +71,7 @@ class CI_DB_sqlsrv_forge extends CI_DB_forge {
{
$attributes = array_change_key_case($attributes, CASE_UPPER);
- $sql .= "\n\t".$this->db->_protect_identifiers($field);
+ $sql .= "\n\t".$this->db->protect_identifiers($field);
$sql .= ' '.$attributes['TYPE'];
@@ -156,7 +114,7 @@ class CI_DB_sqlsrv_forge extends CI_DB_forge {
if (count($primary_keys) > 0)
{
- $primary_keys = $this->db->_protect_identifiers($primary_keys);
+ $primary_keys = $this->db->protect_identifiers($primary_keys);
$sql .= ",\n\tPRIMARY KEY (" . implode(', ', $primary_keys) . ")";
}
@@ -166,11 +124,11 @@ class CI_DB_sqlsrv_forge extends CI_DB_forge {
{
if (is_array($key))
{
- $key = $this->db->_protect_identifiers($key);
+ $key = $this->db->protect_identifiers($key);
}
else
{
- $key = array($this->db->_protect_identifiers($key));
+ $key = array($this->db->protect_identifiers($key));
}
$sql .= ",\n\tFOREIGN KEY (" . implode(', ', $key) . ")";
@@ -190,19 +148,18 @@ class CI_DB_sqlsrv_forge extends CI_DB_forge {
* Generates a platform-specific query so that a table can be altered
* Called by add_column(), drop_column(), and column_alter(),
*
- * @access private
* @param string the ALTER type (ADD, DROP, CHANGE)
* @param string the column name
* @param string the table name
* @param string the column definition
* @param string the default value
- * @param boolean should 'NOT NULL' be added
+ * @param bool should 'NOT NULL' be added
* @param string the field after which we should add the new field
- * @return object
+ * @return string
*/
- function _alter_table($alter_type, $table, $column_name, $column_definition = '', $default_value = '', $null = '', $after_field = '')
+ protected function _alter_table($alter_type, $table, $column_name, $column_definition = '', $default_value = '', $null = '', $after_field = '')
{
- $sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table)." $alter_type ".$this->db->_protect_identifiers($column_name);
+ $sql = 'ALTER TABLE '.$this->db->protect_identifiers($table).' '.$alter_type.' '.$this->db->protect_identifiers($column_name);
// DROP has everything it needs now.
if ($alter_type == 'DROP')
@@ -228,33 +185,14 @@ class CI_DB_sqlsrv_forge extends CI_DB_forge {
if ($after_field != '')
{
- $sql .= ' AFTER ' . $this->db->_protect_identifiers($after_field);
+ return $sql.' AFTER '.$this->db->protect_identifiers($after_field);
}
return $sql;
}
- // --------------------------------------------------------------------
-
- /**
- * Rename a table
- *
- * Generates a platform-specific query so that a table can be renamed
- *
- * @access private
- * @param string the old table name
- * @param string the new table name
- * @return string
- */
- function _rename_table($table_name, $new_table_name)
- {
- // I think this syntax will work, but can find little documentation on renaming tables in MSSQL
- $sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table_name)." RENAME TO ".$this->db->_protect_identifiers($new_table_name);
- return $sql;
- }
-
}
-/* End of file mssql_forge.php */
-/* Location: ./system/database/drivers/mssql/mssql_forge.php */ \ No newline at end of file
+/* End of file sqlsrv_forge.php */
+/* Location: ./system/database/drivers/sqlsrv/sqlsrv_forge.php */ \ No newline at end of file
diff --git a/system/database/drivers/sqlsrv/sqlsrv_result.php b/system/database/drivers/sqlsrv/sqlsrv_result.php
index 1ee19c2d1..0802677fc 100644
--- a/system/database/drivers/sqlsrv/sqlsrv_result.php
+++ b/system/database/drivers/sqlsrv/sqlsrv_result.php
@@ -1,13 +1,13 @@
-<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
- * An open source application development framework for PHP 5.1.6 or newer
+ * An open source application development framework for PHP 5.2.4 or newer
*
* NOTICE OF LICENSE
- *
+ *
* Licensed under the Open Software License version 3.0
- *
+ *
* This source file is subject to the Open Software License (OSL 3.0) that is
* bundled with this package in the files license.txt / license.rst. It is
* also available through the world wide web at this URL:
@@ -25,8 +25,6 @@
* @filesource
*/
-// ------------------------------------------------------------------------
-
/**
* SQLSRV Result Class
*
@@ -41,10 +39,9 @@ class CI_DB_sqlsrv_result extends CI_DB_result {
/**
* Number of rows in the result set
*
- * @access public
- * @return integer
+ * @return int
*/
- function num_rows()
+ public function num_rows()
{
return @sqlsrv_num_rows($this->result_id);
}
@@ -54,10 +51,9 @@ class CI_DB_sqlsrv_result extends CI_DB_result {
/**
* Number of fields in the result set
*
- * @access public
- * @return integer
+ * @return int
*/
- function num_fields()
+ public function num_fields()
{
return @sqlsrv_num_fields($this->result_id);
}
@@ -69,17 +65,16 @@ class CI_DB_sqlsrv_result extends CI_DB_result {
*
* Generates an array of column names
*
- * @access public
* @return array
*/
- function list_fields()
+ public function list_fields()
{
$field_names = array();
- foreach(sqlsrv_field_metadata($this->result_id) as $offset => $field)
+ foreach (sqlsrv_field_metadata($this->result_id) as $offset => $field)
{
$field_names[] = $field['Name'];
}
-
+
return $field_names;
}
@@ -90,13 +85,12 @@ class CI_DB_sqlsrv_result extends CI_DB_result {
*
* Generates an array of objects containing field meta-data
*
- * @access public
* @return array
*/
- function field_data()
+ public function field_data()
{
$retval = array();
- foreach(sqlsrv_field_metadata($this->result_id) as $offset => $field)
+ foreach (sqlsrv_field_metadata($this->result_id) as $offset => $field)
{
$F = new stdClass();
$F->name = $field['Name'];
@@ -104,10 +98,10 @@ class CI_DB_sqlsrv_result extends CI_DB_result {
$F->max_length = $field['Size'];
$F->primary_key = 0;
$F->default = '';
-
+
$retval[] = $F;
}
-
+
return $retval;
}
@@ -116,9 +110,9 @@ class CI_DB_sqlsrv_result extends CI_DB_result {
/**
* Free the result
*
- * @return null
+ * @return void
*/
- function free_result()
+ public function free_result()
{
if (is_resource($this->result_id))
{
@@ -130,31 +124,13 @@ class CI_DB_sqlsrv_result extends CI_DB_result {
// --------------------------------------------------------------------
/**
- * Data Seek
- *
- * Moves the internal pointer to the desired offset. We call
- * this internally before fetching results to make sure the
- * result set starts at zero
- *
- * @access private
- * @return array
- */
- function _data_seek($n = 0)
- {
- // Not implemented
- }
-
- // --------------------------------------------------------------------
-
- /**
* Result - associative array
*
* Returns the result set as an array
*
- * @access private
* @return array
*/
- function _fetch_assoc()
+ protected function _fetch_assoc()
{
return sqlsrv_fetch_array($this->result_id, SQLSRV_FETCH_ASSOC);
}
@@ -166,16 +142,14 @@ class CI_DB_sqlsrv_result extends CI_DB_result {
*
* Returns the result set as an object
*
- * @access private
* @return object
*/
- function _fetch_object()
+ protected function _fetch_object()
{
return sqlsrv_fetch_object($this->result_id);
}
}
-
-/* End of file mssql_result.php */
-/* Location: ./system/database/drivers/mssql/mssql_result.php */ \ No newline at end of file
+/* End of file sqlsrv_result.php */
+/* Location: ./system/database/drivers/sqlsrv/sqlsrv_result.php */ \ No newline at end of file
diff --git a/system/database/drivers/sqlsrv/sqlsrv_utility.php b/system/database/drivers/sqlsrv/sqlsrv_utility.php
index e96df96f9..394964b6a 100644
--- a/system/database/drivers/sqlsrv/sqlsrv_utility.php
+++ b/system/database/drivers/sqlsrv/sqlsrv_utility.php
@@ -1,13 +1,13 @@
-<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
- * An open source application development framework for PHP 5.1.6 or newer
+ * An open source application development framework for PHP 5.2.4 or newer
*
* NOTICE OF LICENSE
- *
+ *
* Licensed under the Open Software License version 3.0
- *
+ *
* This source file is subject to the Open Software License (OSL 3.0) that is
* bundled with this package in the files license.txt / license.rst. It is
* also available through the world wide web at this URL:
@@ -25,8 +25,6 @@
* @filesource
*/
-// ------------------------------------------------------------------------
-
/**
* SQLSRV Utility Class
*
@@ -36,59 +34,16 @@
*/
class CI_DB_sqlsrv_utility extends CI_DB_utility {
- /**
- * List databases
- *
- * @access private
- * @return bool
- */
- function _list_databases()
- {
- return "EXEC sp_helpdb"; // Can also be: EXEC sp_databases
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Optimize table query
- *
- * Generates a platform-specific query so that a table can be optimized
- *
- * @access private
- * @param string the table name
- * @return object
- */
- function _optimize_table($table)
- {
- return FALSE; // Is this supported in MS SQL?
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Repair table query
- *
- * Generates a platform-specific query so that a table can be repaired
- *
- * @access private
- * @param string the table name
- * @return object
- */
- function _repair_table($table)
- {
- return FALSE; // Is this supported in MS SQL?
- }
-
- // --------------------------------------------------------------------
+ protected $_list_databases = 'EXEC sp_helpdb'; // Can also be: EXEC sp_databases
+ protected $_optimize_table = 'ALTER INDEX all ON %s REORGANIZE';
/**
- * MSSQL Export
+ * SQLSRV Export
*
- * @access private
* @param array Preferences
* @return mixed
*/
- function _backup($params = array())
+ protected function _backup($params = array())
{
// Currently unsupported
return $this->db->display_error('db_unsuported_feature');
@@ -96,5 +51,5 @@ class CI_DB_sqlsrv_utility extends CI_DB_utility {
}
-/* End of file mssql_utility.php */
-/* Location: ./system/database/drivers/mssql/mssql_utility.php */ \ No newline at end of file
+/* End of file sqlsrv_utility.php */
+/* Location: ./system/database/drivers/sqlsrv/sqlsrv_utility.php */ \ No newline at end of file