diff options
Diffstat (limited to 'system/database/drivers/cubrid/cubrid_driver.php')
-rw-r--r-- | system/database/drivers/cubrid/cubrid_driver.php | 221 |
1 files changed, 101 insertions, 120 deletions
diff --git a/system/database/drivers/cubrid/cubrid_driver.php b/system/database/drivers/cubrid/cubrid_driver.php index f39c2ad76..0b79de0b8 100644 --- a/system/database/drivers/cubrid/cubrid_driver.php +++ b/system/database/drivers/cubrid/cubrid_driver.php @@ -21,7 +21,7 @@ * @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 2.0.2 + * @since Version 2.1 * @filesource */ @@ -43,7 +43,7 @@ class CI_DB_cubrid_driver extends CI_DB { public $dbdriver = 'cubrid'; // The character used for escaping - no need in CUBRID - protected $_escape_char = ''; + protected $_escape_char = '`'; // clause and character used for LIKE escape sequences - not used in CUBRID protected $_like_escape_str = ''; @@ -57,38 +57,35 @@ class CI_DB_cubrid_driver extends CI_DB { protected $_count_string = 'SELECT COUNT(*) AS '; protected $_random_keyword = ' RAND()'; // database specific random keyword - /** - * Non-persistent database connection - * - * @return resource - */ - public function db_connect() - { - // If no port is defined by the user, use the default value - if ($this->port == '') - { - // Default CUBRID Broker port - $this->port = 33000; - } + // 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(); } // -------------------------------------------------------------------- @@ -100,15 +97,45 @@ class CI_DB_cubrid_driver extends CI_DB { * 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. * * @return resource */ public function db_pconnect() { - return $this->db_connect(); + return $this->_cubrid_connect(TRUE); + } + + // -------------------------------------------------------------------- + + /** + * CUBRID connection + * + * A CUBRID-specific method to create a connection to the database. + * Except for determining if a persistent connection should be used, + * the rest of the logic is the same for db_connect() and db_pconnect(). + * + * @param bool + * @return resource + */ + protected function _cubrid_connect($persistent = FALSE) + { + if (preg_match('/^CUBRID:[^:]+(:[0-9][1-9]{0,4})?:[^:]+:([^:]*):([^:]*):(\?.+)?$/', $this->dsn, $matches)) + { + $_temp = ($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); + } + + return $conn_id; } // -------------------------------------------------------------------- @@ -181,13 +208,8 @@ class CI_DB_cubrid_driver extends CI_DB { */ public function trans_begin($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; } @@ -195,7 +217,7 @@ class CI_DB_cubrid_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); if (cubrid_get_autocommit($this->conn_id)) { @@ -214,13 +236,8 @@ class CI_DB_cubrid_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; } @@ -244,13 +261,8 @@ class CI_DB_cubrid_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; } @@ -286,7 +298,9 @@ class CI_DB_cubrid_driver extends CI_DB { return $str; } - if (function_exists('cubrid_real_escape_string') AND is_resource($this->conn_id)) + if (function_exists('cubrid_real_escape_string') && + (is_resource($this->conn_id) + OR (get_resource_type($this->conn_id) === 'Unknown' && preg_match('/Resource id #/', strval($this->conn_id))))) { $str = cubrid_real_escape_string($str, $this->conn_id); } @@ -298,7 +312,7 @@ class CI_DB_cubrid_driver extends CI_DB { // escape LIKE condition wildcards if ($like === TRUE) { - $str = str_replace(array('%', '_'), array('\\%', '\\_'), $str); + return str_replace(array('%', '_'), array('\\%', '\\_'), $str); } return $str; @@ -352,9 +366,9 @@ class CI_DB_cubrid_driver extends CI_DB { return 0; } - $row = $query->row(); + $query = $query->row(); $this->_reset_select(); - return (int) $row->numrows; + return (int) $query->numrows; } // -------------------------------------------------------------------- @@ -369,11 +383,11 @@ class CI_DB_cubrid_driver extends CI_DB { */ protected function _list_tables($prefix_limit = FALSE) { - $sql = "SHOW TABLES"; + $sql = 'SHOW TABLES'; - if ($prefix_limit !== FALSE AND $this->dbprefix != '') + if ($prefix_limit !== FALSE && $this->dbprefix != '') { - $sql .= " LIKE '".$this->escape_like_str($this->dbprefix)."%'"; + return $sql." LIKE '".$this->escape_like_str($this->dbprefix)."%'"; } return $sql; @@ -406,7 +420,7 @@ class CI_DB_cubrid_driver extends CI_DB { */ protected function _field_data($table) { - return "SELECT * FROM ".$table." LIMIT 1"; + return 'SELECT * FROM '.$table.' LIMIT 1'; } // -------------------------------------------------------------------- @@ -443,24 +457,20 @@ class CI_DB_cubrid_driver extends CI_DB { { if (strpos($item, '.'.$id) !== FALSE) { - $str = $this->_escape_char. str_replace('.', $this->_escape_char.'.', $item); + $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, $str); + return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $this->_escape_char.$item); } } 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; + $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, $str); + return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $this->_escape_char.$item.$this->_escape_char); } // -------------------------------------------------------------------- @@ -498,7 +508,7 @@ class CI_DB_cubrid_driver extends CI_DB { */ protected function _insert($table, $keys, $values) { - return "INSERT INTO ".$table." (\"".implode('", "', $keys)."\") VALUES (".implode(', ', $values).")"; + return 'INSERT INTO '.$table.' ('.implode(', ', $keys).') VALUES ('.implode(', ', $values).')'; } // -------------------------------------------------------------------- @@ -516,7 +526,7 @@ class CI_DB_cubrid_driver extends CI_DB { */ protected function _replace($table, $keys, $values) { - return "REPLACE INTO ".$table." (\"".implode('", "', $keys)."\") VALUES (".implode(', ', $values).")"; + return 'REPLACE INTO '.$table.' ('.implode(', ', $keys).') VALUES ('.implode(', ', $values).')'; } // -------------------------------------------------------------------- @@ -533,12 +543,11 @@ class CI_DB_cubrid_driver extends CI_DB { */ protected function _insert_batch($table, $keys, $values) { - return "INSERT INTO ".$table." (\"".implode('", "', $keys)."\") VALUES ".implode(', ', $values); + return 'INSERT INTO '.$table.' ('.implode(', ', $keys).') VALUES '.implode(', ', $values); } // -------------------------------------------------------------------- - /** * Update statement * @@ -551,24 +560,22 @@ class CI_DB_cubrid_driver extends CI_DB { * @param array the limit clause * @return string */ - protected function _update($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[] = sprintf('"%s" = %s', $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; + $where = ($where != '' && count($where) > 0) ? ' WHERE '.implode(' ', $where) : ''; + if (count($like) > 0) + { + $where .= ($where === '' ? ' WHERE ' : ' AND ').implode(' ', $like); + } - return $sql; + return 'UPDATE '.$table.' SET '.implode(', ', $valstr).$where + .(count($orderby) > 0 ? ' ORDER BY '.implode(', ', $orderby) : '') + .( ! $limit ? '' : ' LIMIT '.$limit); } // -------------------------------------------------------------------- @@ -587,8 +594,6 @@ class CI_DB_cubrid_driver extends CI_DB { protected 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]; @@ -602,25 +607,17 @@ class CI_DB_cubrid_driver extends CI_DB { } } - $sql = "UPDATE ".$table." SET "; $cases = ''; - foreach ($final as $k => $v) { - $cases .= $k.' = CASE '."\n"; - foreach ($v as $row) - { - $cases .= $row."\n"; - } - - $cases .= 'ELSE '.$k.' END, '; + $cases .= $k." = CASE \n" + .implode("\n", $v) + .'ELSE '.$k.' END, '; } - $sql .= substr($cases, 0, -2); - - $sql .= ' WHERE '.$where.$index.' IN ('.implode(',', $ids).')'; - - return $sql; + return 'UPDATE '.$table.' SET '.substr($cases, 0, -2) + .' WHERE '.(($where != '' && count($where) > 0) ? implode(' ', $where).' AND ' : '') + .$index.' IN ('.implode(',', $ids).')'; } // -------------------------------------------------------------------- @@ -637,7 +634,7 @@ class CI_DB_cubrid_driver extends CI_DB { */ protected function _truncate($table) { - return "TRUNCATE ".$table; + return 'TRUNCATE '.$table; } // -------------------------------------------------------------------- @@ -658,19 +655,12 @@ class CI_DB_cubrid_driver extends CI_DB { 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 = "\nWHERE ".implode("\n", $where) + .((count($where) > 0 && count($like) > 0) ? ' AND ' : '') + .implode("\n", $like); } - $limit = ( ! $limit) ? '' : ' LIMIT '.$limit; - - return "DELETE FROM ".$table.$conditions.$limit; + return 'DELETE FROM '.$table.$conditions.( ! $limit ? '' : ' LIMIT '.$limit); } // -------------------------------------------------------------------- @@ -687,16 +677,7 @@ class CI_DB_cubrid_driver extends CI_DB { */ protected function _limit($sql, $limit, $offset) { - if ($offset == 0) - { - $offset = ''; - } - else - { - $offset .= ", "; - } - - return $sql."LIMIT ".$offset.$limit; + return $sql.'LIMIT '.($offset == 0 ? '' : $offset.', ').$limit; } // -------------------------------------------------------------------- |