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-rw-r--r--system/database/drivers/odbc/odbc_driver.php104
-rw-r--r--system/database/drivers/odbc/odbc_forge.php81
-rw-r--r--system/database/drivers/odbc/odbc_result.php174
3 files changed, 97 insertions, 262 deletions
diff --git a/system/database/drivers/odbc/odbc_driver.php b/system/database/drivers/odbc/odbc_driver.php
index e36f2d233..fbf6a4cb1 100644
--- a/system/database/drivers/odbc/odbc_driver.php
+++ b/system/database/drivers/odbc/odbc_driver.php
@@ -45,16 +45,8 @@ class CI_DB_odbc_driver extends CI_DB {
// the character used to excape - not necessary for ODBC
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 $_random_keyword;
public function __construct($params)
@@ -64,7 +56,7 @@ class CI_DB_odbc_driver extends CI_DB {
$this->_random_keyword = ' RND('.time().')'; // database specific random keyword
// Legacy support for DSN in the hostname field
- if ($this->dsn == '')
+ if (empty($this->dsn))
{
$this->dsn = $this->hostname;
}
@@ -114,13 +106,8 @@ class CI_DB_odbc_driver extends CI_DB {
*/
public function trans_begin($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;
}
@@ -128,7 +115,7 @@ class CI_DB_odbc_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 odbc_autocommit($this->conn_id, FALSE);
}
@@ -142,13 +129,8 @@ class CI_DB_odbc_driver extends CI_DB {
*/
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;
}
@@ -167,13 +149,8 @@ class CI_DB_odbc_driver extends CI_DB {
*/
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;
}
@@ -204,7 +181,6 @@ class CI_DB_odbc_driver extends CI_DB {
return $str;
}
- // ODBC doesn't require escaping
$str = remove_invisible_characters($str);
// escape LIKE condition wildcards
@@ -245,36 +221,6 @@ class CI_DB_odbc_driver extends CI_DB {
// --------------------------------------------------------------------
/**
- * "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;
- }
-
- $row = $query->row();
- $this->_reset_select();
- return (int) $row->numrows;
- }
-
- // --------------------------------------------------------------------
-
- /**
* Show table query
*
* Generates a platform-specific query string so that the table names can be fetched
@@ -284,9 +230,9 @@ class CI_DB_odbc_driver extends CI_DB {
*/
protected function _list_tables($prefix_limit = FALSE)
{
- $sql = "SHOW TABLES FROM `".$this->database."`";
+ $sql = 'SHOW TABLES FROM '.$this->database;
- if ($prefix_limit !== FALSE AND $this->dbprefix != '')
+ if ($prefix_limit !== FALSE && $this->dbprefix !== '')
{
//$sql .= " LIKE '".$this->escape_like_str($this->dbprefix)."%' ".sprintf($this->_like_escape_str, $this->_like_escape_chr);
return FALSE; // not currently supported
@@ -307,7 +253,7 @@ class CI_DB_odbc_driver extends CI_DB {
*/
protected function _list_columns($table = '')
{
- return "SHOW COLUMNS FROM ".$table;
+ return 'SHOW COLUMNS FROM '.$table;
}
// --------------------------------------------------------------------
@@ -322,7 +268,7 @@ class CI_DB_odbc_driver extends CI_DB {
*/
protected function _field_data($table)
{
- return "SELECT TOP 1 FROM ".$table;
+ return 'SELECT TOP 1 FROM '.$table;
}
// --------------------------------------------------------------------
@@ -353,12 +299,7 @@ class CI_DB_odbc_driver extends CI_DB {
*/
protected function _from_tables($tables)
{
- if ( ! is_array($tables))
- {
- $tables = array($tables);
- }
-
- return '('.implode(', ', $tables).')';
+ return is_array($tables) ? implode(', ', $tables) : $tables;
}
// --------------------------------------------------------------------
@@ -382,35 +323,16 @@ class CI_DB_odbc_driver extends CI_DB {
// --------------------------------------------------------------------
/**
- * Limit string
- *
- * Generates a platform-specific LIMIT clause
- *
- * @param string the sql query string
- * @param int the number of rows to limit the query to
- * @param int the offset value
- * @return string
- */
- protected function _limit($sql, $limit, $offset)
- {
- // Does ODBC doesn't use the LIMIT clause?
- return $sql;
- }
-
- // --------------------------------------------------------------------
-
- /**
* Close DB Connection
*
- * @param resource
* @return void
*/
- protected function _close($conn_id)
+ protected function _close()
{
- @odbc_close($conn_id);
+ @odbc_close($this->conn_id);
}
}
/* End of file odbc_driver.php */
-/* Location: ./system/database/drivers/odbc/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 d59b8a911..d17b046ee 100644
--- a/system/database/drivers/odbc/odbc_forge.php
+++ b/system/database/drivers/odbc/odbc_forge.php
@@ -34,7 +34,6 @@
*/
class CI_DB_odbc_forge extends CI_DB_forge {
- protected $_drop_database = 'DROP DATABASE %s';
protected $_drop_table = 'DROP TABLE %s';
/**
@@ -66,41 +65,30 @@ class CI_DB_odbc_forge extends CI_DB_forge {
// entered the field information, so we'll simply add it to the list
if (is_numeric($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);
+ $sql .= "\n\t".$this->db->escape_identifiers($field).' '.$attributes['TYPE'];
- $sql .= ' '.$attributes['TYPE'];
+ empty($attributes['CONSTRAINT']) OR $sql .= '('.$attributes['CONSTRAINT'].')';
- if (array_key_exists('CONSTRAINT', $attributes))
- {
- $sql .= '('.$attributes['CONSTRAINT'].')';
- }
-
- if (array_key_exists('UNSIGNED', $attributes) && $attributes['UNSIGNED'] === TRUE)
+ if ( ! empty($attributes['UNSIGNED']) && $attributes['UNSIGNED'] === TRUE)
{
$sql .= ' UNSIGNED';
}
- if (array_key_exists('DEFAULT', $attributes))
+ if (isset($attributes['DEFAULT']))
{
- $sql .= ' DEFAULT \''.$attributes['DEFAULT'].'\'';
+ $sql .= " DEFAULT '".$attributes['DEFAULT']."'";
}
- if (array_key_exists('NULL', $attributes) && $attributes['NULL'] === TRUE)
- {
- $sql .= ' NULL';
- }
- else
- {
- $sql .= ' NOT NULL';
- }
+ $sql .= ( ! empty($attributes['NULL']) && $attributes['NULL'] === TRUE)
+ ? ' NULL' : ' NOT NULL';
- if (array_key_exists('AUTO_INCREMENT', $attributes) && $attributes['AUTO_INCREMENT'] === TRUE)
+ if ( ! empty($attributes['AUTO_INCREMENT']) && $attributes['AUTO_INCREMENT'] === TRUE)
{
$sql .= ' AUTO_INCREMENT';
}
@@ -115,30 +103,22 @@ class CI_DB_odbc_forge extends CI_DB_forge {
if (count($primary_keys) > 0)
{
- $primary_keys = $this->db->protect_identifiers($primary_keys);
- $sql .= ",\n\tPRIMARY KEY (" . implode(', ', $primary_keys) . ")";
+ $sql .= ",\n\tPRIMARY KEY (".implode(', ', $this->escape_identifiers($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));
- }
+ $key = is_array($key)
+ ? $this->db->escape_identifiers($key)
+ : array($this->db->escape_identifiers($key));
- $sql .= ",\n\tFOREIGN KEY (" . implode(', ', $key) . ")";
+ $sql .= ",\n\tFOREIGN KEY (".implode(', ', $key).')';
}
}
- $sql .= "\n)";
-
- return $sql;
+ return $sql."\n)";
}
// --------------------------------------------------------------------
@@ -160,37 +140,18 @@ class CI_DB_odbc_forge extends CI_DB_forge {
*/
protected function _alter_table($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->escape_identifiers($table).' '.$alter_type.' '.$this->db->escape_identifiers($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 != '')
- {
- return $sql.' AFTER '.$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 '.$this->db->escape_identifiers($after_field) : '');
}
}
diff --git a/system/database/drivers/odbc/odbc_result.php b/system/database/drivers/odbc/odbc_result.php
index ecba5977e..48dc48dd9 100644
--- a/system/database/drivers/odbc/odbc_result.php
+++ b/system/database/drivers/odbc/odbc_result.php
@@ -33,11 +33,10 @@
* @category Database
* @author EllisLab Dev Team
* @link http://codeigniter.com/user_guide/database/
+ * @since 1.3
*/
class CI_DB_odbc_result extends CI_DB_result {
- public $num_rows;
-
/**
* Number of rows in the result set
*
@@ -49,14 +48,22 @@ class CI_DB_odbc_result extends CI_DB_result {
{
return $this->num_rows;
}
+ elseif (($this->num_rows = @odbc_num_rows($this->result_id)) !== -1)
+ {
+ return $this->num_rows;
+ }
// Work-around for ODBC subdrivers that don't support num_rows()
- if (($this->num_rows = @odbc_num_rows($this->result_id)) === -1)
+ if (count($this->result_array) > 0)
{
- $this->num_rows = count($this->result_array());
+ return $this->num_rows = count($this->result_array);
+ }
+ elseif (count($this->result_object) > 0)
+ {
+ return $this->num_rows = count($this->result_object);
}
- return $this->num_rows;
+ return $this->num_rows = count($this->result_array());
}
// --------------------------------------------------------------------
@@ -148,14 +155,7 @@ class CI_DB_odbc_result extends CI_DB_result {
*/
protected function _fetch_assoc()
{
- if (function_exists('odbc_fetch_array'))
- {
- return odbc_fetch_array($this->result_id);
- }
- else
- {
- return $this->_odbc_fetch_array($this->result_id);
- }
+ return odbc_fetch_array($this->result_id);
}
// --------------------------------------------------------------------
@@ -165,141 +165,93 @@ class CI_DB_odbc_result extends CI_DB_result {
*
* Returns the result set as an object
*
+ * @param string
* @return object
*/
- protected function _fetch_object()
+ protected function _fetch_object($class_name = 'stdClass')
{
- if (function_exists('odbc_fetch_object'))
- {
- return odbc_fetch_object($this->result_id);
- }
- else
+ $row = odbc_fetch_object($this->result_id);
+
+ if ($class_name === 'stdClass' OR ! $row)
{
- return $this->_odbc_fetch_object($this->result_id);
+ return $row;
}
- }
-
- // --------------------------------------------------------------------
- /**
- * Result - object
- *
- * subsititutes the odbc_fetch_object function when
- * not available (odbc_fetch_object requires unixODBC)
- *
- * @return object
- */
- protected function _odbc_fetch_object(& $odbc_result)
- {
- $rs = array();
- $rs_obj = FALSE;
- if (odbc_fetch_into($odbc_result, $rs))
+ $class_name = new $class_name();
+ foreach ($row as $key => $value)
{
- foreach ($rs as $k => $v)
- {
- $field_name = odbc_field_name($odbc_result, $k+1);
- $rs_obj->$field_name = $v;
- }
+ $class_name->$key = $value;
}
- return $rs_obj;
+
+ return $class_name;
}
- // --------------------------------------------------------------------
+}
+
+// --------------------------------------------------------------------
+if ( ! function_exists('odbc_fetch_array'))
+{
/**
- * Result - array
+ * ODBC Fetch array
*
- * subsititutes the odbc_fetch_array function when
- * not available (odbc_fetch_array requires unixODBC)
+ * Emulates the native odbc_fetch_array() function when
+ * it is not available (odbc_fetch_array() requires unixODBC)
*
+ * @param resource
+ * @param int
* @return array
*/
- protected function _odbc_fetch_array(& $odbc_result)
+ function odbc_fetch_array(& $result, $rownumber = 1)
{
$rs = array();
- $rs_assoc = FALSE;
- if (odbc_fetch_into($odbc_result, $rs))
+ if ( ! odbc_fetch_into($result, $rs, $rownumber))
{
- $rs_assoc = array();
- foreach ($rs as $k => $v)
- {
- $field_name = odbc_field_name($odbc_result, $k+1);
- $rs_assoc[$field_name] = $v;
- }
+ return FALSE;
}
- 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)
+ $rs_assoc = array();
+ foreach ($rs as $k => $v)
{
- return array();
- }
- else
- {
- while ($row = $this->_fetch_assoc())
- {
- $this->result_array[] = $row;
- }
+ $field_name = odbc_field_name($result, $k+1);
+ $rs_assoc[$field_name] = $v;
}
- return $this->result_array;
+ return $rs_assoc;
}
+}
- // --------------------------------------------------------------------
+// --------------------------------------------------------------------
+if ( ! function_exists('odbc_fetch_object'))
+{
/**
- * Query result. Object version.
+ * ODBC Fetch object
*
- * @return array
+ * Emulates the native odbc_fetch_object() function when
+ * it is not available.
+ *
+ * @param resource
+ * @param int
+ * @return object
*/
- public function result_object()
+ function odbc_fetch_object(& $result, $rownumber = 1)
{
- if (count($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)
+ $rs = array();
+ if ( ! odbc_fetch_into($result, $rs, $rownumber))
{
- return array();
+ return FALSE;
}
- else
+
+ $rs_object = new stdClass();
+ foreach ($rs as $k => $v)
{
- while ($row = $this->_fetch_object())
- {
- $this->result_object[] = $row;
- }
+ $field_name = odbc_field_name($result, $k+1);
+ $rs_object->$field_name = $v;
}
- return $this->result_object;
+ return $rs_object;
}
-
}
/* End of file odbc_result.php */
generated by cgit v1.2.3-24-g4f1b (git 2.32.0) at 2024-11-12 06:52:17 +0100