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-rw-r--r--system/database/DB_active_rec.php263
1 files changed, 190 insertions, 73 deletions
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
generated by cgit v1.2.3-24-g4f1b (git 2.32.0) at 2024-11-10 12:51:31 +0100