From 24f325c079d33a456f15311442ed21b437df1ea7 Mon Sep 17 00:00:00 2001 From: Timothy Warren Date: Fri, 7 Oct 2011 10:03:01 -0400 Subject: if statment code style update --- system/database/drivers/pdo/pdo_driver.php | 792 +++++++++++++++++++++++++++++ 1 file changed, 792 insertions(+) create mode 100644 system/database/drivers/pdo/pdo_driver.php (limited to 'system/database/drivers/pdo/pdo_driver.php') diff --git a/system/database/drivers/pdo/pdo_driver.php b/system/database/drivers/pdo/pdo_driver.php new file mode 100644 index 000000000..19e069b06 --- /dev/null +++ b/system/database/drivers/pdo/pdo_driver.php @@ -0,0 +1,792 @@ +hostname, 'mysql') !== FALSE) + { + $this->_like_escape_str = ''; + $this->_like_escape_chr = ''; + } + else if (strpos($this->hostname, 'odbc') !== FALSE) + { + $this->_like_escape_str = " {escape '%s'} "; + $this->_like_escape_chr = '!'; + } + else + { + $this->_like_escape_str = " ESCAPE '%s' "; + $this->_like_escape_chr = '!'; + } + + $this->hostname = $this->hostname . ";dbname=".$this->database; + $this->trans_enabled = FALSE; + + $this->_random_keyword = ' RND('.time().')'; // database specific random keyword + } + + /** + * Non-persistent database connection + * + * @access private called by the base class + * @return resource + */ + function db_connect() + { + return new PDO($this->hostname,$this->username,$this->password, array( + PDO::ATTR_ERRMODE => PDO::ERRMODE_SILENT + )); + } + + // -------------------------------------------------------------------- + + /** + * Persistent database connection + * + * @access private called by the base class + * @return resource + */ + function db_pconnect() + { + return new PDO($this->hostname,$this->username,$this->password, array( + PDO::ATTR_ERRMODE => PDO::ERRMODE_SILENT, + PDO::ATTR_PERSISTENT => true + )); + } + + // -------------------------------------------------------------------- + + /** + * Reconnect + * + * Keep / reestablish the db connection if no queries have been + * sent for a length of time exceeding the server's idle timeout + * + * @access public + * @return void + */ + function reconnect() + { + if ($this->db->db_debug) + { + return $this->db->display_error('db_unsuported_feature'); + } + return FALSE; + } + + // -------------------------------------------------------------------- + + /** + * Select the database + * + * @access private called by the base class + * @return resource + */ + function db_select() + { + // Not needed for PDO + return TRUE; + } + + // -------------------------------------------------------------------- + + /** + * Set client character set + * + * @access public + * @param string + * @param string + * @return resource + */ + function db_set_charset($charset, $collation) + { + // @todo - add support if needed + return TRUE; + } + + // -------------------------------------------------------------------- + + /** + * Version number query string + * + * @access public + * @return string + */ + function _version() + { + return $this->conn_id->getAttribute(PDO::ATTR_CLIENT_VERSION); + } + + // -------------------------------------------------------------------- + + /** + * Execute the query + * + * @access private called by the base class + * @param string an SQL query + * @return object + */ + function _execute($sql) + { + $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 $result_id; + } + + // -------------------------------------------------------------------- + + /** + * Prep the query + * + * If needed, each database adapter can prep the query string + * + * @access private called by execute() + * @param string an SQL query + * @return string + */ + function _prep_query($sql) + { + return $sql; + } + + // -------------------------------------------------------------------- + + /** + * Begin Transaction + * + * @access public + * @return bool + */ + function trans_begin($test_mode = FALSE) + { + if ( ! $this->trans_enabled) + { + return TRUE; + } + + // When transactions are nested we only begin/commit/rollback the outermost ones + if ($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) ? TRUE : FALSE; + + return $this->conn_id->beginTransaction(); + } + + // -------------------------------------------------------------------- + + /** + * Commit Transaction + * + * @access public + * @return bool + */ + 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) + { + return TRUE; + } + + $ret = $this->conn->commit(); + return $ret; + } + + // -------------------------------------------------------------------- + + /** + * Rollback Transaction + * + * @access public + * @return bool + */ + 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) + { + return TRUE; + } + + $ret = $this->conn_id->rollBack(); + return $ret; + } + + // -------------------------------------------------------------------- + + /** + * Escape String + * + * @access public + * @param string + * @param bool whether or not the string will be used in a LIKE condition + * @return string + */ + function escape_str($str, $like = FALSE) + { + if (is_array($str)) + { + foreach ($str as $key => $val) + { + $str[$key] = $this->escape_str($val, $like); + } + + return $str; + } + + //Escape the string + $str = $this->conn_id->quote($str); + + //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; + } + + // -------------------------------------------------------------------- + + /** + * Affected Rows + * + * @access public + * @return integer + */ + function affected_rows() + { + return $this->affect_rows; + } + + // -------------------------------------------------------------------- + + /** + * Insert ID + * + * @access public + * @return integer + */ + function insert_id($name=NULL) + { + //Convenience method for postgres insertid + if (strpos($this->hostname, 'pgsql') !== FALSE) + { + $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); + } + } + + // -------------------------------------------------------------------- + + /** + * "Count All" query + * + * Generates a platform-specific query string that counts all records in + * the specified database + * + * @access public + * @param string + * @return string + */ + 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) $row->numrows; + } + + // -------------------------------------------------------------------- + + /** + * Show table query + * + * Generates a platform-specific query string so that the table names can be fetched + * + * @access private + * @param boolean + * @return string + */ + function _list_tables($prefix_limit = FALSE) + { + $sql = "SHOW TABLES FROM `".$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 $sql; + } + + // -------------------------------------------------------------------- + + /** + * Show column query + * + * Generates a platform-specific query string so that the column names can be fetched + * + * @access public + * @param string the table name + * @return string + */ + function _list_columns($table = '') + { + return "SHOW COLUMNS FROM ".$table; + } + + // -------------------------------------------------------------------- + + /** + * Field data query + * + * Generates a platform-specific query so that the column data can be retrieved + * + * @access public + * @param string the table name + * @return object + */ + function _field_data($table) + { + return "SELECT TOP 1 FROM ".$table; + } + + // -------------------------------------------------------------------- + + /** + * The error message string + * + * @access private + * @return string + */ + function _error_message() + { + $error_array = $this->conn_id->errorInfo(); + return $error_array[2]; + } + + // -------------------------------------------------------------------- + + /** + * The error message number + * + * @access private + * @return integer + */ + function _error_number() + { + return $this->conn_id->errorCode(); + } + + // -------------------------------------------------------------------- + + /** + * Escape the SQL Identifiers + * + * This function escapes column and table names + * + * @access private + * @param string + * @return string + */ + function _escape_identifiers($item) + { + 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, $str); + } + + // -------------------------------------------------------------------- + + /** + * From Tables + * + * This function implicitly groups FROM tables so there is no confusion + * about operator precedence in harmony with SQL standards + * + * @access public + * @param type + * @return type + */ + function _from_tables($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(', ', $values); + } + + // -------------------------------------------------------------------- + + /** + * Update statement + * + * Generates a platform-specific update string from the supplied data + * + * @access public + * @param string the table name + * @param array the update data + * @param array the where clause + * @param array the orderby clause + * @param array the limit clause + * @return string + */ + function _update($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) + { + $ids = array(); + $where = ($where != '' AND count($where) >=1) ? implode(" ", $where).' AND ' : ''; + + foreach ($values as $key => $val) + { + $ids[] = $val[$index]; + + foreach (array_keys($val) as $field) + { + if ($field != $index) + { + $final[$field][] = 'WHEN '.$index.' = '.$val[$index].' THEN '.$val[$field]; + } + } + } + + $sql = "UPDATE ".$table." SET "; + $cases = ''; + + foreach ($final as $k => $v) + { + $cases .= $k.' = CASE '."\n"; + foreach ($v as $row) + { + $cases .= $row."\n"; + } + + $cases .= 'ELSE '.$k.' END, '; + } + + $sql .= substr($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 + * + * @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.$limit; + } + + // -------------------------------------------------------------------- + + /** + * Limit string + * + * Generates a platform-specific LIMIT clause + * + * @access public + * @param string the sql query string + * @param integer the number of rows to limit the query to + * @param integer the offset value + * @return string + */ + function _limit($sql, $limit, $offset) + { + if (strpos($this->hostname, 'cubrid') !== FALSE || strpos($this->hostname, 'sqlite') !== FALSE) + { + if ($offset == 0) + { + $offset = ''; + } + else + { + $offset .= ", "; + } + + return $sql."LIMIT ".$offset.$limit; + } + else + { + $sql .= "LIMIT ".$limit; + + if ($offset > 0) + { + $sql .= " OFFSET ".$offset; + } + + return $sql; + } + } + + // -------------------------------------------------------------------- + + /** + * Close DB Connection + * + * @access public + * @param resource + * @return void + */ + function _close($conn_id) + { + $this->conn_id = null; + } + + +} + + + +/* End of file pdo_driver.php */ +/* Location: ./system/database/drivers/pdo/pdo_driver.php */ \ No newline at end of file -- cgit v1.2.3-24-g4f1b From 9f5316e96ea635a15aa5906bfd2abaea19520970 Mon Sep 17 00:00:00 2001 From: Timothy Warren Date: Wed, 14 Sep 2011 12:25:14 -0400 Subject: Fixed LIKE statement escaping issues --- system/database/drivers/pdo/pdo_driver.php | 25 +++++++++++++------------ 1 file changed, 13 insertions(+), 12 deletions(-) (limited to 'system/database/drivers/pdo/pdo_driver.php') diff --git a/system/database/drivers/pdo/pdo_driver.php b/system/database/drivers/pdo/pdo_driver.php index 19e069b06..4c911aa6e 100644 --- a/system/database/drivers/pdo/pdo_driver.php +++ b/system/database/drivers/pdo/pdo_driver.php @@ -28,6 +28,7 @@ * @author ExpressionEngine Dev Team * @link http://codeigniter.com/user_guide/database/ */ + class CI_DB_pdo_driver extends CI_DB { var $dbdriver = 'pdo'; @@ -36,7 +37,7 @@ class CI_DB_pdo_driver extends CI_DB { var $_escape_char = ''; var $_like_escape_str; var $_like_escape_chr; - + /** * The syntax to count rows is slightly different across different @@ -50,7 +51,7 @@ class CI_DB_pdo_driver extends CI_DB { function __construct($params) { parent::__construct($params); - + // clause and character used for LIKE escape sequences if (strpos($this->hostname, 'mysql') !== FALSE) { @@ -67,7 +68,7 @@ class CI_DB_pdo_driver extends CI_DB { $this->_like_escape_str = " ESCAPE '%s' "; $this->_like_escape_chr = '!'; } - + $this->hostname = $this->hostname . ";dbname=".$this->database; $this->trans_enabled = FALSE; @@ -179,7 +180,7 @@ class CI_DB_pdo_driver extends CI_DB { { $sql = $this->_prep_query($sql); $result_id = $this->conn_id->query($sql); - + if (is_object($result_id)) { $this->affect_rows = $result_id->rowCount(); @@ -188,7 +189,7 @@ class CI_DB_pdo_driver extends CI_DB { { $this->affect_rows = 0; } - + return $result_id; } @@ -308,16 +309,16 @@ class CI_DB_pdo_driver extends CI_DB { return $str; } - + //Escape the string $str = $this->conn_id->quote($str); - + //If there are duplicated quotes, trim them away if (strpos($str, "'") === 0) { $str = substr($str, 1, -1); } - + // escape LIKE condition wildcards if ($like === TRUE) { @@ -519,7 +520,7 @@ class CI_DB_pdo_driver extends CI_DB { if (strpos($item, '.') !== FALSE) { $str = $this->_escape_char.str_replace('.', $this->_escape_char.'.'.$this->_escape_char, $item).$this->_escape_char; - + } else { @@ -569,7 +570,7 @@ class CI_DB_pdo_driver extends CI_DB { { return "INSERT INTO ".$table." (".implode(', ', $keys).") VALUES (".implode(', ', $values).")"; } - + // -------------------------------------------------------------------- /** @@ -622,7 +623,7 @@ class CI_DB_pdo_driver extends CI_DB { return $sql; } - + // -------------------------------------------------------------------- /** @@ -764,7 +765,7 @@ class CI_DB_pdo_driver extends CI_DB { { $sql .= " OFFSET ".$offset; } - + return $sql; } } -- cgit v1.2.3-24-g4f1b From 530becb7e80cb3a2647d31d2cc8ce88328189358 Mon Sep 17 00:00:00 2001 From: Timothy Warren Date: Tue, 25 Oct 2011 10:37:31 -0400 Subject: Changed mysql charset to PDO option --- system/database/drivers/pdo/pdo_driver.php | 11 +++++++---- 1 file changed, 7 insertions(+), 4 deletions(-) (limited to 'system/database/drivers/pdo/pdo_driver.php') diff --git a/system/database/drivers/pdo/pdo_driver.php b/system/database/drivers/pdo/pdo_driver.php index 4c911aa6e..e536cc4bf 100644 --- a/system/database/drivers/pdo/pdo_driver.php +++ b/system/database/drivers/pdo/pdo_driver.php @@ -46,7 +46,8 @@ class CI_DB_pdo_driver extends CI_DB { */ var $_count_string = "SELECT COUNT(*) AS "; var $_random_keyword; - + + var $options = array(); function __construct($params) { @@ -57,6 +58,9 @@ class CI_DB_pdo_driver extends CI_DB { { $this->_like_escape_str = ''; $this->_like_escape_chr = ''; + + //Set the charset with the connection options + $this->options['PDO::MYSQL_ATTR_INIT_COMMAND'] = "SET NAMES {$this->char_set}"; } else if (strpos($this->hostname, 'odbc') !== FALSE) { @@ -83,9 +87,8 @@ class CI_DB_pdo_driver extends CI_DB { */ function db_connect() { - return new PDO($this->hostname,$this->username,$this->password, array( - PDO::ATTR_ERRMODE => PDO::ERRMODE_SILENT - )); + $this->options['PDO::ATTR_ERRMODE'] = PDO::ERRMODE_SILENT; + return new PDO($this->hostname,$this->username,$this->password, $this->options); } // -------------------------------------------------------------------- -- cgit v1.2.3-24-g4f1b From d019fd673a730bf87f1410a752818f16b6ced713 Mon Sep 17 00:00:00 2001 From: Timothy Warren Date: Wed, 26 Oct 2011 11:26:17 -0400 Subject: Set charset in DSN if PHP >= 5.3.6 --- system/database/drivers/pdo/pdo_driver.php | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) (limited to 'system/database/drivers/pdo/pdo_driver.php') diff --git a/system/database/drivers/pdo/pdo_driver.php b/system/database/drivers/pdo/pdo_driver.php index e536cc4bf..b4c3102ed 100644 --- a/system/database/drivers/pdo/pdo_driver.php +++ b/system/database/drivers/pdo/pdo_driver.php @@ -59,6 +59,12 @@ class CI_DB_pdo_driver extends CI_DB { $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}"; } @@ -236,7 +242,7 @@ 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. - $this->_trans_failure = ($test_mode === TRUE) ? TRUE : FALSE; + $this->_trans_failure = (bool) ($test_mode === TRUE); return $this->conn_id->beginTransaction(); } -- cgit v1.2.3-24-g4f1b From 70eeb93361c4e6a08584fd600d173842e15a4f13 Mon Sep 17 00:00:00 2001 From: Timothy Warren Date: Wed, 26 Oct 2011 11:31:49 -0400 Subject: Misc formatting fixes --- system/database/drivers/pdo/pdo_driver.php | 15 ++++++++------- 1 file changed, 8 insertions(+), 7 deletions(-) (limited to 'system/database/drivers/pdo/pdo_driver.php') diff --git a/system/database/drivers/pdo/pdo_driver.php b/system/database/drivers/pdo/pdo_driver.php index b4c3102ed..f69893273 100644 --- a/system/database/drivers/pdo/pdo_driver.php +++ b/system/database/drivers/pdo/pdo_driver.php @@ -78,8 +78,8 @@ class CI_DB_pdo_driver extends CI_DB { $this->_like_escape_str = " ESCAPE '%s' "; $this->_like_escape_chr = '!'; } - - $this->hostname = $this->hostname . ";dbname=".$this->database; + + $this->hostname .= ";dbname=".$this->database; $this->trans_enabled = FALSE; $this->_random_keyword = ' RND('.time().')'; // database specific random keyword @@ -94,7 +94,8 @@ class CI_DB_pdo_driver extends CI_DB { function db_connect() { $this->options['PDO::ATTR_ERRMODE'] = PDO::ERRMODE_SILENT; - return new PDO($this->hostname,$this->username,$this->password, $this->options); + + return new PDO($this->hostname, $this->username, $this->password, $this->options); } // -------------------------------------------------------------------- @@ -107,10 +108,10 @@ class CI_DB_pdo_driver extends CI_DB { */ function db_pconnect() { - return new PDO($this->hostname,$this->username,$this->password, array( - PDO::ATTR_ERRMODE => PDO::ERRMODE_SILENT, - PDO::ATTR_PERSISTENT => true - )); + $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); } // -------------------------------------------------------------------- -- cgit v1.2.3-24-g4f1b From 0199f68db46d375af2d4cb831c679d3040601f25 Mon Sep 17 00:00:00 2001 From: Phil Sturgeon Date: Tue, 22 Nov 2011 14:57:21 +0000 Subject: Readded PDO drivers. --- system/database/drivers/pdo/pdo_driver.php | 30 +++++++++++++++--------------- 1 file changed, 15 insertions(+), 15 deletions(-) (limited to 'system/database/drivers/pdo/pdo_driver.php') diff --git a/system/database/drivers/pdo/pdo_driver.php b/system/database/drivers/pdo/pdo_driver.php index f69893273..5de2079bb 100644 --- a/system/database/drivers/pdo/pdo_driver.php +++ b/system/database/drivers/pdo/pdo_driver.php @@ -5,9 +5,9 @@ * An open source application development framework for PHP 5.1.6 or newer * * @package CodeIgniter - * @author ExpressionEngine Dev Team * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc. * @license http://codeigniter.com/user_guide/license.html + * @author EllisLab Dev Team * @link http://codeigniter.com * @since Version 2.1.0 * @filesource @@ -25,10 +25,9 @@ * @package CodeIgniter * @subpackage Drivers * @category Database - * @author ExpressionEngine Dev Team + * @author EllisLab Dev Team * @link http://codeigniter.com/user_guide/database/ */ - class CI_DB_pdo_driver extends CI_DB { var $dbdriver = 'pdo'; @@ -37,7 +36,7 @@ class CI_DB_pdo_driver extends CI_DB { var $_escape_char = ''; var $_like_escape_str; var $_like_escape_chr; - + /** * The syntax to count rows is slightly different across different @@ -52,13 +51,13 @@ class CI_DB_pdo_driver extends CI_DB { function __construct($params) { parent::__construct($params); - + // clause and character used for LIKE escape sequences if (strpos($this->hostname, 'mysql') !== FALSE) { $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')) { @@ -80,6 +79,7 @@ class CI_DB_pdo_driver extends CI_DB { } $this->hostname .= ";dbname=".$this->database; + $this->trans_enabled = FALSE; $this->_random_keyword = ' RND('.time().')'; // database specific random keyword @@ -190,7 +190,7 @@ class CI_DB_pdo_driver extends CI_DB { { $sql = $this->_prep_query($sql); $result_id = $this->conn_id->query($sql); - + if (is_object($result_id)) { $this->affect_rows = $result_id->rowCount(); @@ -199,7 +199,7 @@ class CI_DB_pdo_driver extends CI_DB { { $this->affect_rows = 0; } - + return $result_id; } @@ -319,16 +319,16 @@ class CI_DB_pdo_driver extends CI_DB { return $str; } - + //Escape the string $str = $this->conn_id->quote($str); - + //If there are duplicated quotes, trim them away if (strpos($str, "'") === 0) { $str = substr($str, 1, -1); } - + // escape LIKE condition wildcards if ($like === TRUE) { @@ -530,7 +530,7 @@ class CI_DB_pdo_driver extends CI_DB { if (strpos($item, '.') !== FALSE) { $str = $this->_escape_char.str_replace('.', $this->_escape_char.'.'.$this->_escape_char, $item).$this->_escape_char; - + } else { @@ -580,7 +580,7 @@ class CI_DB_pdo_driver extends CI_DB { { return "INSERT INTO ".$table." (".implode(', ', $keys).") VALUES (".implode(', ', $values).")"; } - + // -------------------------------------------------------------------- /** @@ -633,7 +633,7 @@ class CI_DB_pdo_driver extends CI_DB { return $sql; } - + // -------------------------------------------------------------------- /** @@ -775,7 +775,7 @@ class CI_DB_pdo_driver extends CI_DB { { $sql .= " OFFSET ".$offset; } - + return $sql; } } -- cgit v1.2.3-24-g4f1b