| | |
| | | // +----------------------------------------------------------------------+ |
| | | // | PHP versions 4 and 5 | |
| | | // +----------------------------------------------------------------------+ |
| | | // | Copyright (c) 1998-2004 Manuel Lemos, Tomas V.V.Cox, | |
| | | // | Copyright (c) 1998-2008 Manuel Lemos, Tomas V.V.Cox, | |
| | | // | Stig. S. Bakken, Lukas Smith | |
| | | // | All rights reserved. | |
| | | // +----------------------------------------------------------------------+ |
| | |
| | | // | Author: Lukas Smith <smith@pooteeweet.org> | |
| | | // +----------------------------------------------------------------------+ |
| | | // |
| | | // $Id$ |
| | | // $Id: mysql.php,v 1.208 2008/03/13 03:31:55 afz Exp $ |
| | | // |
| | | |
| | | /** |
| | |
| | | class MDB2_Driver_mysql extends MDB2_Driver_Common |
| | | { |
| | | // {{{ properties |
| | | var $escape_quotes = "\\"; |
| | | |
| | | var $string_quoting = array('start' => "'", 'end' => "'", 'escape' => '\\', 'escape_pattern' => '\\'); |
| | | |
| | | var $identifier_quoting = array('start' => '`', 'end' => '`', 'escape' => '`'); |
| | | |
| | | var $sql_comments = array( |
| | | array('start' => '-- ', 'end' => "\n", 'escape' => false), |
| | | array('start' => '#', 'end' => "\n", 'escape' => false), |
| | | array('start' => '/*', 'end' => '*/', 'escape' => false), |
| | | ); |
| | | |
| | | var $server_capabilities_checked = false; |
| | | |
| | | var $start_transaction = false; |
| | | |
| | | var $varchar_max_length = 255; |
| | | |
| | | // }}} |
| | | // {{{ constructor |
| | | |
| | | /** |
| | | * Constructor |
| | | */ |
| | | * Constructor |
| | | */ |
| | | function __construct() |
| | | { |
| | | parent::__construct(); |
| | |
| | | $this->supported['indexes'] = true; |
| | | $this->supported['affected_rows'] = true; |
| | | $this->supported['transactions'] = false; |
| | | $this->supported['savepoints'] = false; |
| | | $this->supported['summary_functions'] = true; |
| | | $this->supported['order_by_text'] = true; |
| | | $this->supported['current_id'] = 'emulated'; |
| | |
| | | $this->supported['LOBs'] = true; |
| | | $this->supported['replace'] = true; |
| | | $this->supported['sub_selects'] = 'emulated'; |
| | | $this->supported['triggers'] = false; |
| | | $this->supported['auto_increment'] = true; |
| | | $this->supported['primary_key'] = true; |
| | | $this->supported['result_introspection'] = true; |
| | | $this->supported['prepared_statements'] = 'emulated'; |
| | | $this->supported['identifier_quoting'] = true; |
| | | $this->supported['pattern_escaping'] = true; |
| | | $this->supported['new_link'] = true; |
| | | |
| | | $this->options['default_table_type'] = null; |
| | | $this->options['DBA_username'] = false; |
| | | $this->options['DBA_password'] = false; |
| | | $this->options['default_table_type'] = ''; |
| | | $this->options['max_identifiers_length'] = 64; |
| | | |
| | | $this->_reCheckSupportedOptions(); |
| | | } |
| | | |
| | | // }}} |
| | | // {{{ _reCheckSupportedOptions() |
| | | |
| | | /** |
| | | * If the user changes certain options, other capabilities may depend |
| | | * on the new settings, so we need to check them (again). |
| | | * |
| | | * @access private |
| | | */ |
| | | function _reCheckSupportedOptions() |
| | | { |
| | | $this->supported['transactions'] = $this->options['use_transactions']; |
| | | $this->supported['savepoints'] = $this->options['use_transactions']; |
| | | if ($this->options['default_table_type']) { |
| | | switch (strtoupper($this->options['default_table_type'])) { |
| | | case 'BLACKHOLE': |
| | | case 'MEMORY': |
| | | case 'ARCHIVE': |
| | | case 'CSV': |
| | | case 'HEAP': |
| | | case 'ISAM': |
| | | case 'MERGE': |
| | | case 'MRG_ISAM': |
| | | case 'ISAM': |
| | | case 'MRG_MYISAM': |
| | | case 'MYISAM': |
| | | $this->supported['savepoints'] = false; |
| | | $this->supported['transactions'] = false; |
| | | $this->warnings[] = $this->options['default_table_type'] . |
| | | ' is not a supported default table type'; |
| | | break; |
| | | } |
| | | } |
| | | } |
| | | |
| | | // }}} |
| | | // {{{ function setOption($option, $value) |
| | | |
| | | /** |
| | | * set the option for the db class |
| | | * |
| | | * @param string option name |
| | | * @param mixed value for the option |
| | | * |
| | | * @return mixed MDB2_OK or MDB2 Error Object |
| | | * |
| | | * @access public |
| | | */ |
| | | function setOption($option, $value) |
| | | { |
| | | $res = parent::setOption($option, $value); |
| | | $this->_reCheckSupportedOptions(); |
| | | } |
| | | |
| | | // }}} |
| | |
| | | static $ecode_map; |
| | | if (empty($ecode_map)) { |
| | | $ecode_map = array( |
| | | 1000 => MDB2_ERROR_INVALID, //hashchk |
| | | 1001 => MDB2_ERROR_INVALID, //isamchk |
| | | 1004 => MDB2_ERROR_CANNOT_CREATE, |
| | | 1005 => MDB2_ERROR_CANNOT_CREATE, |
| | | 1006 => MDB2_ERROR_CANNOT_CREATE, |
| | | 1007 => MDB2_ERROR_ALREADY_EXISTS, |
| | | 1008 => MDB2_ERROR_CANNOT_DROP, |
| | | 1009 => MDB2_ERROR_CANNOT_DROP, |
| | | 1010 => MDB2_ERROR_CANNOT_DROP, |
| | | 1011 => MDB2_ERROR_CANNOT_DELETE, |
| | | 1022 => MDB2_ERROR_ALREADY_EXISTS, |
| | | 1029 => MDB2_ERROR_NOT_FOUND, |
| | | 1032 => MDB2_ERROR_NOT_FOUND, |
| | | 1044 => MDB2_ERROR_ACCESS_VIOLATION, |
| | | 1045 => MDB2_ERROR_ACCESS_VIOLATION, |
| | | 1046 => MDB2_ERROR_NODBSELECTED, |
| | | 1048 => MDB2_ERROR_CONSTRAINT, |
| | | 1049 => MDB2_ERROR_NOSUCHDB, |
| | | 1050 => MDB2_ERROR_ALREADY_EXISTS, |
| | | 1051 => MDB2_ERROR_NOSUCHTABLE, |
| | | 1054 => MDB2_ERROR_NOSUCHFIELD, |
| | | 1060 => MDB2_ERROR_ALREADY_EXISTS, |
| | | 1061 => MDB2_ERROR_ALREADY_EXISTS, |
| | | 1062 => MDB2_ERROR_ALREADY_EXISTS, |
| | | 1064 => MDB2_ERROR_SYNTAX, |
| | | 1067 => MDB2_ERROR_INVALID, |
| | | 1072 => MDB2_ERROR_NOT_FOUND, |
| | | 1086 => MDB2_ERROR_ALREADY_EXISTS, |
| | | 1091 => MDB2_ERROR_NOT_FOUND, |
| | | 1100 => MDB2_ERROR_NOT_LOCKED, |
| | | 1109 => MDB2_ERROR_NOT_FOUND, |
| | | 1125 => MDB2_ERROR_ALREADY_EXISTS, |
| | | 1136 => MDB2_ERROR_VALUE_COUNT_ON_ROW, |
| | | 1138 => MDB2_ERROR_INVALID, |
| | | 1142 => MDB2_ERROR_ACCESS_VIOLATION, |
| | | 1143 => MDB2_ERROR_ACCESS_VIOLATION, |
| | | 1146 => MDB2_ERROR_NOSUCHTABLE, |
| | | 1149 => MDB2_ERROR_SYNTAX, |
| | | 1169 => MDB2_ERROR_CONSTRAINT, |
| | | 1176 => MDB2_ERROR_NOT_FOUND, |
| | | 1177 => MDB2_ERROR_NOSUCHTABLE, |
| | | 1213 => MDB2_ERROR_DEADLOCK, |
| | | 1216 => MDB2_ERROR_CONSTRAINT, |
| | | 1217 => MDB2_ERROR_CONSTRAINT, |
| | | 1227 => MDB2_ERROR_ACCESS_VIOLATION, |
| | | 1235 => MDB2_ERROR_CANNOT_CREATE, |
| | | 1299 => MDB2_ERROR_INVALID_DATE, |
| | | 1300 => MDB2_ERROR_INVALID, |
| | | 1304 => MDB2_ERROR_ALREADY_EXISTS, |
| | | 1305 => MDB2_ERROR_NOT_FOUND, |
| | | 1306 => MDB2_ERROR_CANNOT_DROP, |
| | | 1307 => MDB2_ERROR_CANNOT_CREATE, |
| | | 1334 => MDB2_ERROR_CANNOT_ALTER, |
| | | 1339 => MDB2_ERROR_NOT_FOUND, |
| | | 1356 => MDB2_ERROR_INVALID, |
| | | 1359 => MDB2_ERROR_ALREADY_EXISTS, |
| | | 1360 => MDB2_ERROR_NOT_FOUND, |
| | | 1363 => MDB2_ERROR_NOT_FOUND, |
| | | 1365 => MDB2_ERROR_DIVZERO, |
| | | 1451 => MDB2_ERROR_CONSTRAINT, |
| | | 1452 => MDB2_ERROR_CONSTRAINT, |
| | | 1542 => MDB2_ERROR_CANNOT_DROP, |
| | | 1546 => MDB2_ERROR_CONSTRAINT, |
| | | 1582 => MDB2_ERROR_CONSTRAINT, |
| | | 2003 => MDB2_ERROR_CONNECT_FAILED, |
| | | 2019 => MDB2_ERROR_INVALID, |
| | | ); |
| | | } |
| | | if ($this->options['portability'] & MDB2_PORTABILITY_ERRORS) { |
| | |
| | | * Quotes a string so it can be safely used in a query. It will quote |
| | | * the text so it can safely be used within a query. |
| | | * |
| | | * @param string $text the input string to quote |
| | | * @return string quoted string |
| | | * @access public |
| | | * @param string the input string to quote |
| | | * @param bool escape wildcards |
| | | * |
| | | * @return string quoted string |
| | | * |
| | | * @access public |
| | | */ |
| | | function escape($text) |
| | | function escape($text, $escape_wildcards = false) |
| | | { |
| | | return @mysql_real_escape_string($text); |
| | | } |
| | | |
| | | // }}} |
| | | // {{{ quoteIdentifier() |
| | | |
| | | /** |
| | | * Quote a string so it can be safely used as a table or column name |
| | | * |
| | | * Quoting style depends on which database driver is being used. |
| | | * |
| | | * MySQL can't handle the backtick character (<kbd>`</kbd>) in |
| | | * table or column names. |
| | | * |
| | | * @param string $str identifier name to be quoted |
| | | * |
| | | * @return string quoted identifier string |
| | | * |
| | | * @access public |
| | | * @internal |
| | | */ |
| | | function quoteIdentifier($str) |
| | | { |
| | | return '`' . $str . '`'; |
| | | if ($escape_wildcards) { |
| | | $text = $this->escapePattern($text); |
| | | } |
| | | $connection = $this->getConnection(); |
| | | if (PEAR::isError($connection)) { |
| | | return $connection; |
| | | } |
| | | $text = @mysql_real_escape_string($text, $connection); |
| | | return $text; |
| | | } |
| | | |
| | | // }}} |
| | | // {{{ beginTransaction() |
| | | |
| | | /** |
| | | * Start a transaction. |
| | | * Start a transaction or set a savepoint. |
| | | * |
| | | * @return mixed MDB2_OK on success, a MDB2 error on failure |
| | | * @access public |
| | | * @param string name of a savepoint to set |
| | | * @return mixed MDB2_OK on success, a MDB2 error on failure |
| | | * |
| | | * @access public |
| | | */ |
| | | function beginTransaction() |
| | | function beginTransaction($savepoint = null) |
| | | { |
| | | $this->debug('starting transaction', 'beginTransaction'); |
| | | if (!$this->supports('transactions')) { |
| | | return $this->raiseError(MDB2_ERROR_UNSUPPORTED, null, null, |
| | | 'beginTransaction: transactions are not in use'); |
| | | } |
| | | if ($this->in_transaction) { |
| | | $this->debug('Starting transaction/savepoint', __FUNCTION__, array('is_manip' => true, 'savepoint' => $savepoint)); |
| | | $this->_getServerCapabilities(); |
| | | if (!is_null($savepoint)) { |
| | | if (!$this->supports('savepoints')) { |
| | | return $this->raiseError(MDB2_ERROR_UNSUPPORTED, null, null, |
| | | 'savepoints are not supported', __FUNCTION__); |
| | | } |
| | | if (!$this->in_transaction) { |
| | | return $this->raiseError(MDB2_ERROR_INVALID, null, null, |
| | | 'savepoint cannot be released when changes are auto committed', __FUNCTION__); |
| | | } |
| | | $query = 'SAVEPOINT '.$savepoint; |
| | | return $this->_doQuery($query, true); |
| | | } elseif ($this->in_transaction) { |
| | | return MDB2_OK; //nothing to do |
| | | } |
| | | if (!$this->destructor_registered && $this->opened_persistent) { |
| | | $this->destructor_registered = true; |
| | | register_shutdown_function('MDB2_closeOpenTransactions'); |
| | | } |
| | | $result = $this->_doQuery('SET AUTOCOMMIT = 0', true); |
| | | $query = $this->start_transaction ? 'START TRANSACTION' : 'SET AUTOCOMMIT = 1'; |
| | | $result =& $this->_doQuery($query, true); |
| | | if (PEAR::isError($result)) { |
| | | return $result; |
| | | } |
| | |
| | | |
| | | /** |
| | | * Commit the database changes done during a transaction that is in |
| | | * progress. |
| | | * progress or release a savepoint. This function may only be called when |
| | | * auto-committing is disabled, otherwise it will fail. Therefore, a new |
| | | * transaction is implicitly started after committing the pending changes. |
| | | * |
| | | * @return mixed MDB2_OK on success, a MDB2 error on failure |
| | | * @access public |
| | | * @param string name of a savepoint to release |
| | | * @return mixed MDB2_OK on success, a MDB2 error on failure |
| | | * |
| | | * @access public |
| | | */ |
| | | function commit() |
| | | function commit($savepoint = null) |
| | | { |
| | | $this->debug('commit transaction', 'commit'); |
| | | $this->debug('Committing transaction/savepoint', __FUNCTION__, array('is_manip' => true, 'savepoint' => $savepoint)); |
| | | if (!$this->in_transaction) { |
| | | return $this->raiseError(MDB2_ERROR_INVALID, null, null, |
| | | 'commit/release savepoint cannot be done changes are auto committed', __FUNCTION__); |
| | | } |
| | | if (!is_null($savepoint)) { |
| | | if (!$this->supports('savepoints')) { |
| | | return $this->raiseError(MDB2_ERROR_UNSUPPORTED, null, null, |
| | | 'savepoints are not supported', __FUNCTION__); |
| | | } |
| | | $server_info = $this->getServerVersion(); |
| | | if (version_compare($server_info['major'].'.'.$server_info['minor'].'.'.$server_info['patch'], '5.0.3', '<')) { |
| | | return MDB2_OK; |
| | | } |
| | | $query = 'RELEASE SAVEPOINT '.$savepoint; |
| | | return $this->_doQuery($query, true); |
| | | } |
| | | |
| | | if (!$this->supports('transactions')) { |
| | | return $this->raiseError(MDB2_ERROR_UNSUPPORTED, null, null, |
| | | 'commit: transactions are not in use'); |
| | | 'transactions are not supported', __FUNCTION__); |
| | | } |
| | | if (!$this->in_transaction) { |
| | | return $this->raiseError(MDB2_ERROR, null, null, |
| | | 'commit: transaction changes are being auto committed'); |
| | | } |
| | | $result = $this->_doQuery('COMMIT', true); |
| | | |
| | | $result =& $this->_doQuery('COMMIT', true); |
| | | if (PEAR::isError($result)) { |
| | | return $result; |
| | | } |
| | | $result = $this->_doQuery('SET AUTOCOMMIT = 1', true); |
| | | if (PEAR::isError($result)) { |
| | | return $result; |
| | | if (!$this->start_transaction) { |
| | | $query = 'SET AUTOCOMMIT = 0'; |
| | | $result =& $this->_doQuery($query, true); |
| | | if (PEAR::isError($result)) { |
| | | return $result; |
| | | } |
| | | } |
| | | $this->in_transaction = false; |
| | | return MDB2_OK; |
| | |
| | | // {{{ rollback() |
| | | |
| | | /** |
| | | * Cancel any database changes done during a transaction that is in |
| | | * progress. |
| | | * Cancel any database changes done during a transaction or since a specific |
| | | * savepoint that is in progress. This function may only be called when |
| | | * auto-committing is disabled, otherwise it will fail. Therefore, a new |
| | | * transaction is implicitly started after canceling the pending changes. |
| | | * |
| | | * @return mixed MDB2_OK on success, a MDB2 error on failure |
| | | * @access public |
| | | * @param string name of a savepoint to rollback to |
| | | * @return mixed MDB2_OK on success, a MDB2 error on failure |
| | | * |
| | | * @access public |
| | | */ |
| | | function rollback() |
| | | function rollback($savepoint = null) |
| | | { |
| | | $this->debug('rolling back transaction', 'rollback'); |
| | | if (!$this->supports('transactions')) { |
| | | return $this->raiseError(MDB2_ERROR_UNSUPPORTED, null, null, |
| | | 'rollback: transactions are not in use'); |
| | | } |
| | | $this->debug('Rolling back transaction/savepoint', __FUNCTION__, array('is_manip' => true, 'savepoint' => $savepoint)); |
| | | if (!$this->in_transaction) { |
| | | return $this->raiseError(MDB2_ERROR, null, null, |
| | | 'rollback: transactions can not be rolled back when changes are auto committed'); |
| | | return $this->raiseError(MDB2_ERROR_INVALID, null, null, |
| | | 'rollback cannot be done changes are auto committed', __FUNCTION__); |
| | | } |
| | | $result = $this->_doQuery('ROLLBACK', true); |
| | | if (!is_null($savepoint)) { |
| | | if (!$this->supports('savepoints')) { |
| | | return $this->raiseError(MDB2_ERROR_UNSUPPORTED, null, null, |
| | | 'savepoints are not supported', __FUNCTION__); |
| | | } |
| | | $query = 'ROLLBACK TO SAVEPOINT '.$savepoint; |
| | | return $this->_doQuery($query, true); |
| | | } |
| | | |
| | | $query = 'ROLLBACK'; |
| | | $result =& $this->_doQuery($query, true); |
| | | if (PEAR::isError($result)) { |
| | | return $result; |
| | | } |
| | | $result = $this->_doQuery('SET AUTOCOMMIT = 1', true); |
| | | if (PEAR::isError($result)) { |
| | | return $result; |
| | | if (!$this->start_transaction) { |
| | | $query = 'SET AUTOCOMMIT = 0'; |
| | | $result =& $this->_doQuery($query, true); |
| | | if (PEAR::isError($result)) { |
| | | return $result; |
| | | } |
| | | } |
| | | $this->in_transaction = false; |
| | | return MDB2_OK; |
| | | |
| | | } |
| | | |
| | | // }}} |
| | | // {{{ connect() |
| | | // {{{ function setTransactionIsolation() |
| | | |
| | | /** |
| | | * Connect to the database |
| | | * Set the transacton isolation level. |
| | | * |
| | | * @return true on success, MDB2 Error Object on failure |
| | | * @param string standard isolation level |
| | | * READ UNCOMMITTED (allows dirty reads) |
| | | * READ COMMITTED (prevents dirty reads) |
| | | * REPEATABLE READ (prevents nonrepeatable reads) |
| | | * SERIALIZABLE (prevents phantom reads) |
| | | * @return mixed MDB2_OK on success, a MDB2 error on failure |
| | | * |
| | | * @access public |
| | | * @since 2.1.1 |
| | | */ |
| | | function connect() |
| | | function setTransactionIsolation($isolation) |
| | | { |
| | | if (is_resource($this->connection)) { |
| | | if (count(array_diff($this->connected_dsn, $this->dsn)) == 0 |
| | | && $this->opened_persistent == $this->options['persistent'] |
| | | ) { |
| | | return MDB2_OK; |
| | | } |
| | | $this->disconnect(false); |
| | | $this->debug('Setting transaction isolation level', __FUNCTION__, array('is_manip' => true)); |
| | | if (!$this->supports('transactions')) { |
| | | return $this->raiseError(MDB2_ERROR_UNSUPPORTED, null, null, |
| | | 'transactions are not supported', __FUNCTION__); |
| | | } |
| | | switch ($isolation) { |
| | | case 'READ UNCOMMITTED': |
| | | case 'READ COMMITTED': |
| | | case 'REPEATABLE READ': |
| | | case 'SERIALIZABLE': |
| | | break; |
| | | default: |
| | | return $this->raiseError(MDB2_ERROR_UNSUPPORTED, null, null, |
| | | 'isolation level is not supported: '.$isolation, __FUNCTION__); |
| | | } |
| | | |
| | | $query = "SET SESSION TRANSACTION ISOLATION LEVEL $isolation"; |
| | | return $this->_doQuery($query, true); |
| | | } |
| | | |
| | | // }}} |
| | | // {{{ _doConnect() |
| | | |
| | | /** |
| | | * do the grunt work of the connect |
| | | * |
| | | * @return connection on success or MDB2 Error Object on failure |
| | | * @access protected |
| | | */ |
| | | function _doConnect($username, $password, $persistent = false) |
| | | { |
| | | if (!PEAR::loadExtension($this->phptype)) { |
| | | return $this->raiseError(MDB2_ERROR_NOT_FOUND, null, null, |
| | | 'connect: extension '.$this->phptype.' is not compiled into PHP'); |
| | | 'extension '.$this->phptype.' is not compiled into PHP', __FUNCTION__); |
| | | } |
| | | |
| | | $params = array(); |
| | |
| | | $params[0].= ':' . $this->dsn['port']; |
| | | } |
| | | } |
| | | $params[] = $this->dsn['username'] ? $this->dsn['username'] : null; |
| | | $params[] = $this->dsn['password'] ? $this->dsn['password'] : null; |
| | | if (!$this->options['persistent']) { |
| | | $params[] = $username ? $username : null; |
| | | $params[] = $password ? $password : null; |
| | | if (!$persistent) { |
| | | if (isset($this->dsn['new_link']) |
| | | && ($this->dsn['new_link'] == 'true' || $this->dsn['new_link'] === true) |
| | | ) { |
| | |
| | | $params[] = isset($this->dsn['client_flags']) |
| | | ? $this->dsn['client_flags'] : null; |
| | | } |
| | | $connect_function = $persistent ? 'mysql_pconnect' : 'mysql_connect'; |
| | | |
| | | $connect_function = $this->options['persistent'] ? 'mysql_pconnect' : 'mysql_connect'; |
| | | |
| | | @ini_set('track_errors', true); |
| | | $php_errormsg = ''; |
| | | $connection = @call_user_func_array($connect_function, $params); |
| | | @ini_restore('track_errors'); |
| | | if (!$connection) { |
| | | if (($err = @mysql_error()) != '') { |
| | | return $this->raiseError(MDB2_ERROR_CONNECT_FAILED, null, null, $err); |
| | | return $this->raiseError(MDB2_ERROR_CONNECT_FAILED, null, null, |
| | | $err, __FUNCTION__); |
| | | } else { |
| | | return $this->raiseError(MDB2_ERROR_CONNECT_FAILED, null, null, $php_errormsg); |
| | | return $this->raiseError(MDB2_ERROR_CONNECT_FAILED, null, null, |
| | | 'unable to establish a connection', __FUNCTION__); |
| | | } |
| | | } |
| | | |
| | | if (!empty($this->dsn['charset'])) { |
| | | $result = $this->setCharset($this->dsn['charset'], $connection); |
| | | if (PEAR::isError($result)) { |
| | | $this->disconnect(false); |
| | | return $result; |
| | | } |
| | | } |
| | | |
| | | return $connection; |
| | | } |
| | | |
| | | // }}} |
| | | // {{{ connect() |
| | | |
| | | /** |
| | | * Connect to the database |
| | | * |
| | | * @return MDB2_OK on success, MDB2 Error Object on failure |
| | | * @access public |
| | | */ |
| | | function connect() |
| | | { |
| | | if (is_resource($this->connection)) { |
| | | //if (count(array_diff($this->connected_dsn, $this->dsn)) == 0 |
| | | if (MDB2::areEquals($this->connected_dsn, $this->dsn) |
| | | && $this->opened_persistent == $this->options['persistent'] |
| | | ) { |
| | | return MDB2_OK; |
| | | } |
| | | $this->disconnect(false); |
| | | } |
| | | |
| | | $connection = $this->_doConnect( |
| | | $this->dsn['username'], |
| | | $this->dsn['password'], |
| | | $this->options['persistent'] |
| | | ); |
| | | if (PEAR::isError($connection)) { |
| | | return $connection; |
| | | } |
| | | |
| | | $this->connection = $connection; |
| | |
| | | $this->opened_persistent = $this->options['persistent']; |
| | | $this->dbsyntax = $this->dsn['dbsyntax'] ? $this->dsn['dbsyntax'] : $this->phptype; |
| | | |
| | | $this->supported['transactions'] = false; |
| | | if ($this->options['default_table_type']) { |
| | | switch (strtoupper($this->options['default_table_type'])) { |
| | | case 'BERKELEYDB': |
| | | $this->options['default_table_type'] = 'BDB'; |
| | | case 'BDB': |
| | | case 'INNODB': |
| | | case 'GEMINI': |
| | | $this->supported['transactions'] = true; |
| | | break; |
| | | case 'HEAP': |
| | | case 'ISAM': |
| | | case 'MERGE': |
| | | case 'MRG_MYISAM': |
| | | case 'MYISAM': |
| | | break; |
| | | default: |
| | | $this->warnings[] = $default_table_type. |
| | | ' is not a supported default table type'; |
| | | if ($this->database_name) { |
| | | if ($this->database_name != $this->connected_database_name) { |
| | | if (!@mysql_select_db($this->database_name, $connection)) { |
| | | $err = $this->raiseError(null, null, null, |
| | | 'Could not select the database: '.$this->database_name, __FUNCTION__); |
| | | return $err; |
| | | } |
| | | $this->connected_database_name = $this->database_name; |
| | | } |
| | | } |
| | | |
| | | if ($this->options['use_transactions'] && !$this->supports('transactions')) { |
| | | $this->warnings[] = $this->options['default_table_type']. |
| | | ' is not a transaction-safe default table type; switched to INNODB'; |
| | | $this->options['default_table_type'] = 'INNODB'; |
| | | $this->supported['transactions'] = true; |
| | | } |
| | | $this->_getServerCapabilities(); |
| | | |
| | | return MDB2_OK; |
| | | } |
| | | |
| | | // }}} |
| | | // {{{ setCharset() |
| | | |
| | | /** |
| | | * Set the charset on the current connection |
| | | * |
| | | * @param string charset (or array(charset, collation)) |
| | | * @param resource connection handle |
| | | * |
| | | * @return true on success, MDB2 Error Object on failure |
| | | */ |
| | | function setCharset($charset, $connection = null) |
| | | { |
| | | if (is_null($connection)) { |
| | | $connection = $this->getConnection(); |
| | | if (PEAR::isError($connection)) { |
| | | return $connection; |
| | | } |
| | | } |
| | | $collation = null; |
| | | if (is_array($charset) && 2 == count($charset)) { |
| | | $collation = array_pop($charset); |
| | | $charset = array_pop($charset); |
| | | } |
| | | $query = "SET NAMES '".mysql_real_escape_string($charset, $connection)."'"; |
| | | if (!is_null($collation)) { |
| | | $query .= " COLLATE '".mysqli_real_escape_string($connection, $collation)."'"; |
| | | } |
| | | return $this->_doQuery($query, true, $connection); |
| | | } |
| | | |
| | | // }}} |
| | | // {{{ databaseExists() |
| | | |
| | | /** |
| | | * check if given database name is exists? |
| | | * |
| | | * @param string $name name of the database that should be checked |
| | | * |
| | | * @return mixed true/false on success, a MDB2 error on failure |
| | | * @access public |
| | | */ |
| | | function databaseExists($name) |
| | | { |
| | | $connection = $this->_doConnect($this->dsn['username'], |
| | | $this->dsn['password'], |
| | | $this->options['persistent']); |
| | | if (PEAR::isError($connection)) { |
| | | return $connection; |
| | | } |
| | | |
| | | $result = @mysql_select_db($name, $connection); |
| | | @mysql_close($connection); |
| | | |
| | | return $result; |
| | | } |
| | | |
| | | // }}} |
| | |
| | | /** |
| | | * Log out and disconnect from the database. |
| | | * |
| | | * @param boolean $force if the disconnect should be forced even if the |
| | | * connection is opened persistently |
| | | * @return mixed true on success, false if not connected and error |
| | | * object on error |
| | | * @access public |
| | |
| | | function disconnect($force = true) |
| | | { |
| | | if (is_resource($this->connection)) { |
| | | if ($this->in_transaction) { |
| | | $dsn = $this->dsn; |
| | | $database_name = $this->database_name; |
| | | $persistent = $this->options['persistent']; |
| | | $this->dsn = $this->connected_dsn; |
| | | $this->database_name = $this->connected_database_name; |
| | | $this->options['persistent'] = $this->opened_persistent; |
| | | $this->rollback(); |
| | | $this->dsn = $dsn; |
| | | $this->database_name = $database_name; |
| | | $this->options['persistent'] = $persistent; |
| | | } |
| | | |
| | | if (!$this->opened_persistent || $force) { |
| | | @mysql_close($this->connection); |
| | | } |
| | | $this->connection = 0; |
| | | } |
| | | return MDB2_OK; |
| | | return parent::disconnect($force); |
| | | } |
| | | |
| | | // }}} |
| | | // {{{ standaloneQuery() |
| | | |
| | | /** |
| | | * execute a query as DBA |
| | | * |
| | | * @param string $query the SQL query |
| | | * @param mixed $types array that contains the types of the columns in |
| | | * the result set |
| | | * @param boolean $is_manip if the query is a manipulation query |
| | | * @return mixed MDB2_OK on success, a MDB2 error on failure |
| | | * @access public |
| | | */ |
| | | function &standaloneQuery($query, $types = null, $is_manip = false) |
| | | { |
| | | $user = $this->options['DBA_username']? $this->options['DBA_username'] : $this->dsn['username']; |
| | | $pass = $this->options['DBA_password']? $this->options['DBA_password'] : $this->dsn['password']; |
| | | $connection = $this->_doConnect($user, $pass, $this->options['persistent']); |
| | | if (PEAR::isError($connection)) { |
| | | return $connection; |
| | | } |
| | | |
| | | $offset = $this->offset; |
| | | $limit = $this->limit; |
| | | $this->offset = $this->limit = 0; |
| | | $query = $this->_modifyQuery($query, $is_manip, $limit, $offset); |
| | | |
| | | $result =& $this->_doQuery($query, $is_manip, $connection, $this->database_name); |
| | | if (!PEAR::isError($result)) { |
| | | $result = $this->_affectedRows($connection, $result); |
| | | } |
| | | |
| | | @mysql_close($connection); |
| | | return $result; |
| | | } |
| | | |
| | | // }}} |
| | |
| | | /** |
| | | * Execute a query |
| | | * @param string $query query |
| | | * @param boolean $isManip if the query is a manipulation query |
| | | * @param boolean $is_manip if the query is a manipulation query |
| | | * @param resource $connection |
| | | * @param string $database_name |
| | | * @return result or error object |
| | | * @access protected |
| | | */ |
| | | function _doQuery($query, $isManip = false, $connection = null, $database_name = null) |
| | | function &_doQuery($query, $is_manip = false, $connection = null, $database_name = null) |
| | | { |
| | | $this->last_query = $query; |
| | | $this->debug($query, 'query'); |
| | | if ($this->options['disable_query']) { |
| | | if ($isManip) { |
| | | return 0; |
| | | $result = $this->debug($query, 'query', array('is_manip' => $is_manip, 'when' => 'pre')); |
| | | if ($result) { |
| | | if (PEAR::isError($result)) { |
| | | return $result; |
| | | } |
| | | return null; |
| | | $query = $result; |
| | | } |
| | | if ($this->options['disable_query']) { |
| | | $result = $is_manip ? 0 : null; |
| | | return $result; |
| | | } |
| | | |
| | | if (is_null($connection)) { |
| | | $err = $this->connect(); |
| | | if (PEAR::isError($err)) { |
| | | return $err; |
| | | $connection = $this->getConnection(); |
| | | if (PEAR::isError($connection)) { |
| | | return $connection; |
| | | } |
| | | $connection = $this->connection; |
| | | } |
| | | if (is_null($database_name)) { |
| | | $database_name = $this->database_name; |
| | |
| | | if ($database_name) { |
| | | if ($database_name != $this->connected_database_name) { |
| | | if (!@mysql_select_db($database_name, $connection)) { |
| | | return $this->raiseError(); |
| | | $err = $this->raiseError(null, null, null, |
| | | 'Could not select the database: '.$database_name, __FUNCTION__); |
| | | return $err; |
| | | } |
| | | $this->connected_database_name = $database_name; |
| | | } |
| | |
| | | ? 'mysql_query' : 'mysql_unbuffered_query'; |
| | | $result = @$function($query, $connection); |
| | | if (!$result) { |
| | | return $this->raiseError(); |
| | | $err =& $this->raiseError(null, null, null, |
| | | 'Could not execute statement', __FUNCTION__); |
| | | return $err; |
| | | } |
| | | |
| | | if ($isManip) { |
| | | return @mysql_affected_rows($connection); |
| | | } |
| | | $this->debug($query, 'query', array('is_manip' => $is_manip, 'when' => 'post', 'result' => $result)); |
| | | return $result; |
| | | } |
| | | |
| | | // }}} |
| | | // {{{ _affectedRows() |
| | | |
| | | /** |
| | | * Returns the number of rows affected |
| | | * |
| | | * @param resource $result |
| | | * @param resource $connection |
| | | * @return mixed MDB2 Error Object or the number of rows affected |
| | | * @access private |
| | | */ |
| | | function _affectedRows($connection, $result = null) |
| | | { |
| | | if (is_null($connection)) { |
| | | $connection = $this->getConnection(); |
| | | if (PEAR::isError($connection)) { |
| | | return $connection; |
| | | } |
| | | } |
| | | return @mysql_affected_rows($connection); |
| | | } |
| | | |
| | | // }}} |
| | |
| | | * Changes a query string for various DBMS specific reasons |
| | | * |
| | | * @param string $query query to modify |
| | | * @return the new (modified) query |
| | | * @param boolean $is_manip if it is a DML query |
| | | * @param integer $limit limit the number of rows |
| | | * @param integer $offset start reading from given offset |
| | | * @return string modified query |
| | | * @access protected |
| | | */ |
| | | function _modifyQuery($query, $isManip, $limit, $offset) |
| | | function _modifyQuery($query, $is_manip, $limit, $offset) |
| | | { |
| | | if ($this->options['portability'] & MDB2_PORTABILITY_DELETE_COUNT) { |
| | | // "DELETE FROM table" gives 0 affected rows in MySQL. |
| | |
| | | } |
| | | } |
| | | if ($limit > 0 |
| | | && !preg_match('/LIMIT\s*\d(\s*(,|OFFSET)\s*\d+)?/i', $query) |
| | | && !preg_match('/LIMIT\s*\d(?:\s*(?:,|OFFSET)\s*\d+)?(?:[^\)]*)?$/i', $query) |
| | | ) { |
| | | $query = rtrim($query); |
| | | if (substr($query, -1) == ';') { |
| | | $query = substr($query, 0, -1); |
| | | } |
| | | if ($isManip) { |
| | | return $query . " LIMIT $limit"; |
| | | |
| | | // LIMIT doesn't always come last in the query |
| | | // @see http://dev.mysql.com/doc/refman/5.0/en/select.html |
| | | $after = ''; |
| | | if (preg_match('/(\s+INTO\s+(?:OUT|DUMP)FILE\s.*)$/ims', $query, $matches)) { |
| | | $after = $matches[0]; |
| | | $query = preg_replace('/(\s+INTO\s+(?:OUT|DUMP)FILE\s.*)$/ims', '', $query); |
| | | } elseif (preg_match('/(\s+FOR\s+UPDATE\s*)$/i', $query, $matches)) { |
| | | $after = $matches[0]; |
| | | $query = preg_replace('/(\s+FOR\s+UPDATE\s*)$/im', '', $query); |
| | | } elseif (preg_match('/(\s+LOCK\s+IN\s+SHARE\s+MODE\s*)$/im', $query, $matches)) { |
| | | $after = $matches[0]; |
| | | $query = preg_replace('/(\s+LOCK\s+IN\s+SHARE\s+MODE\s*)$/im', '', $query); |
| | | } |
| | | |
| | | if ($is_manip) { |
| | | return $query . " LIMIT $limit" . $after; |
| | | } else { |
| | | return $query . " LIMIT $offset, $limit"; |
| | | return $query . " LIMIT $offset, $limit" . $after; |
| | | } |
| | | } |
| | | return $query; |
| | | } |
| | | |
| | | // }}} |
| | | // {{{ getServerVersion() |
| | | |
| | | /** |
| | | * return version information about the server |
| | | * |
| | | * @param bool $native determines if the raw version string should be returned |
| | | * @return mixed array/string with version information or MDB2 error object |
| | | * @access public |
| | | */ |
| | | function getServerVersion($native = false) |
| | | { |
| | | $connection = $this->getConnection(); |
| | | if (PEAR::isError($connection)) { |
| | | return $connection; |
| | | } |
| | | if ($this->connected_server_info) { |
| | | $server_info = $this->connected_server_info; |
| | | } else { |
| | | $server_info = @mysql_get_server_info($connection); |
| | | } |
| | | if (!$server_info) { |
| | | return $this->raiseError(null, null, null, |
| | | 'Could not get server information', __FUNCTION__); |
| | | } |
| | | // cache server_info |
| | | $this->connected_server_info = $server_info; |
| | | if (!$native) { |
| | | $tmp = explode('.', $server_info, 3); |
| | | if (isset($tmp[2]) && strpos($tmp[2], '-')) { |
| | | $tmp2 = explode('-', @$tmp[2], 2); |
| | | } else { |
| | | $tmp2[0] = isset($tmp[2]) ? $tmp[2] : null; |
| | | $tmp2[1] = null; |
| | | } |
| | | $server_info = array( |
| | | 'major' => isset($tmp[0]) ? $tmp[0] : null, |
| | | 'minor' => isset($tmp[1]) ? $tmp[1] : null, |
| | | 'patch' => $tmp2[0], |
| | | 'extra' => $tmp2[1], |
| | | 'native' => $server_info, |
| | | ); |
| | | } |
| | | return $server_info; |
| | | } |
| | | |
| | | // }}} |
| | | // {{{ _getServerCapabilities() |
| | | |
| | | /** |
| | | * Fetch some information about the server capabilities |
| | | * (transactions, subselects, prepared statements, etc). |
| | | * |
| | | * @access private |
| | | */ |
| | | function _getServerCapabilities() |
| | | { |
| | | if (!$this->server_capabilities_checked) { |
| | | $this->server_capabilities_checked = true; |
| | | |
| | | //set defaults |
| | | $this->supported['sub_selects'] = 'emulated'; |
| | | $this->supported['prepared_statements'] = 'emulated'; |
| | | $this->supported['triggers'] = false; |
| | | $this->start_transaction = false; |
| | | $this->varchar_max_length = 255; |
| | | |
| | | $server_info = $this->getServerVersion(); |
| | | if (is_array($server_info)) { |
| | | $server_version = $server_info['major'].'.'.$server_info['minor'].'.'.$server_info['patch']; |
| | | |
| | | if (!version_compare($server_version, '4.1.0', '<')) { |
| | | $this->supported['sub_selects'] = true; |
| | | $this->supported['prepared_statements'] = true; |
| | | } |
| | | |
| | | // SAVEPOINTs were introduced in MySQL 4.0.14 and 4.1.1 (InnoDB) |
| | | if (version_compare($server_version, '4.1.0', '>=')) { |
| | | if (version_compare($server_version, '4.1.1', '<')) { |
| | | $this->supported['savepoints'] = false; |
| | | } |
| | | } elseif (version_compare($server_version, '4.0.14', '<')) { |
| | | $this->supported['savepoints'] = false; |
| | | } |
| | | |
| | | if (!version_compare($server_version, '4.0.11', '<')) { |
| | | $this->start_transaction = true; |
| | | } |
| | | |
| | | if (!version_compare($server_version, '5.0.3', '<')) { |
| | | $this->varchar_max_length = 65532; |
| | | } |
| | | |
| | | if (!version_compare($server_version, '5.0.2', '<')) { |
| | | $this->supported['triggers'] = true; |
| | | } |
| | | } |
| | | } |
| | | } |
| | | |
| | | // }}} |
| | | // {{{ function _skipUserDefinedVariable($query, $position) |
| | | |
| | | /** |
| | | * Utility method, used by prepare() to avoid misinterpreting MySQL user |
| | | * defined variables (SELECT @x:=5) for placeholders. |
| | | * Check if the placeholder is a false positive, i.e. if it is an user defined |
| | | * variable instead. If so, skip it and advance the position, otherwise |
| | | * return the current position, which is valid |
| | | * |
| | | * @param string $query |
| | | * @param integer $position current string cursor position |
| | | * @return integer $new_position |
| | | * @access protected |
| | | */ |
| | | function _skipUserDefinedVariable($query, $position) |
| | | { |
| | | $found = strpos(strrev(substr($query, 0, $position)), '@'); |
| | | if ($found === false) { |
| | | return $position; |
| | | } |
| | | $pos = strlen($query) - strlen(substr($query, $position)) - $found - 1; |
| | | $substring = substr($query, $pos, $position - $pos + 2); |
| | | if (preg_match('/^@\w+\s*:=$/', $substring)) { |
| | | return $position + 1; //found an user defined variable: skip it |
| | | } |
| | | return $position; |
| | | } |
| | | |
| | | // }}} |
| | | // {{{ prepare() |
| | | |
| | | /** |
| | | * Prepares a query for multiple execution with execute(). |
| | | * With some database backends, this is emulated. |
| | | * prepare() requires a generic query as string like |
| | | * 'INSERT INTO numbers VALUES(?,?)' or |
| | | * 'INSERT INTO numbers VALUES(:foo,:bar)'. |
| | | * The ? and :name and are placeholders which can be set using |
| | | * bindParam() and the query can be sent off using the execute() method. |
| | | * The allowed format for :name can be set with the 'bindname_format' option. |
| | | * |
| | | * @param string $query the query to prepare |
| | | * @param mixed $types array that contains the types of the placeholders |
| | | * @param mixed $result_types array that contains the types of the columns in |
| | | * the result set or MDB2_PREPARE_RESULT, if set to |
| | | * MDB2_PREPARE_MANIP the query is handled as a manipulation query |
| | | * @param mixed $lobs key (field) value (parameter) pair for all lob placeholders |
| | | * @return mixed resource handle for the prepared query on success, a MDB2 |
| | | * error on failure |
| | | * @access public |
| | | * @see bindParam, execute |
| | | */ |
| | | function &prepare($query, $types = null, $result_types = null, $lobs = array()) |
| | | { |
| | | if ($this->options['emulate_prepared'] |
| | | || $this->supported['prepared_statements'] !== true |
| | | ) { |
| | | $obj =& parent::prepare($query, $types, $result_types, $lobs); |
| | | return $obj; |
| | | } |
| | | $is_manip = ($result_types === MDB2_PREPARE_MANIP); |
| | | $offset = $this->offset; |
| | | $limit = $this->limit; |
| | | $this->offset = $this->limit = 0; |
| | | $query = $this->_modifyQuery($query, $is_manip, $limit, $offset); |
| | | $result = $this->debug($query, __FUNCTION__, array('is_manip' => $is_manip, 'when' => 'pre')); |
| | | if ($result) { |
| | | if (PEAR::isError($result)) { |
| | | return $result; |
| | | } |
| | | $query = $result; |
| | | } |
| | | $placeholder_type_guess = $placeholder_type = null; |
| | | $question = '?'; |
| | | $colon = ':'; |
| | | $positions = array(); |
| | | $position = 0; |
| | | while ($position < strlen($query)) { |
| | | $q_position = strpos($query, $question, $position); |
| | | $c_position = strpos($query, $colon, $position); |
| | | if ($q_position && $c_position) { |
| | | $p_position = min($q_position, $c_position); |
| | | } elseif ($q_position) { |
| | | $p_position = $q_position; |
| | | } elseif ($c_position) { |
| | | $p_position = $c_position; |
| | | } else { |
| | | break; |
| | | } |
| | | if (is_null($placeholder_type)) { |
| | | $placeholder_type_guess = $query[$p_position]; |
| | | } |
| | | |
| | | $new_pos = $this->_skipDelimitedStrings($query, $position, $p_position); |
| | | if (PEAR::isError($new_pos)) { |
| | | return $new_pos; |
| | | } |
| | | if ($new_pos != $position) { |
| | | $position = $new_pos; |
| | | continue; //evaluate again starting from the new position |
| | | } |
| | | |
| | | //make sure this is not part of an user defined variable |
| | | $new_pos = $this->_skipUserDefinedVariable($query, $position); |
| | | if ($new_pos != $position) { |
| | | $position = $new_pos; |
| | | continue; //evaluate again starting from the new position |
| | | } |
| | | |
| | | if ($query[$position] == $placeholder_type_guess) { |
| | | if (is_null($placeholder_type)) { |
| | | $placeholder_type = $query[$p_position]; |
| | | $question = $colon = $placeholder_type; |
| | | } |
| | | if ($placeholder_type == ':') { |
| | | $regexp = '/^.{'.($position+1).'}('.$this->options['bindname_format'].').*$/s'; |
| | | $parameter = preg_replace($regexp, '\\1', $query); |
| | | if ($parameter === '') { |
| | | $err =& $this->raiseError(MDB2_ERROR_SYNTAX, null, null, |
| | | 'named parameter name must match "bindname_format" option', __FUNCTION__); |
| | | return $err; |
| | | } |
| | | $positions[$p_position] = $parameter; |
| | | $query = substr_replace($query, '?', $position, strlen($parameter)+1); |
| | | } else { |
| | | $positions[$p_position] = count($positions); |
| | | } |
| | | $position = $p_position + 1; |
| | | } else { |
| | | $position = $p_position; |
| | | } |
| | | } |
| | | $connection = $this->getConnection(); |
| | | if (PEAR::isError($connection)) { |
| | | return $connection; |
| | | } |
| | | static $prep_statement_counter = 1; |
| | | $statement_name = sprintf($this->options['statement_format'], $this->phptype, $prep_statement_counter++ . sha1(microtime() + mt_rand())); |
| | | $statement_name = substr(strtolower($statement_name), 0, $this->options['max_identifiers_length']); |
| | | $query = "PREPARE $statement_name FROM ".$this->quote($query, 'text'); |
| | | $statement =& $this->_doQuery($query, true, $connection); |
| | | if (PEAR::isError($statement)) { |
| | | return $statement; |
| | | } |
| | | |
| | | $class_name = 'MDB2_Statement_'.$this->phptype; |
| | | $obj = new $class_name($this, $statement_name, $positions, $query, $types, $result_types, $is_manip, $limit, $offset); |
| | | $this->debug($query, __FUNCTION__, array('is_manip' => $is_manip, 'when' => 'post', 'result' => $obj)); |
| | | return $obj; |
| | | } |
| | | |
| | | // }}} |
| | |
| | | $query .= ','; |
| | | $values.= ','; |
| | | } |
| | | $query.= $name; |
| | | $query.= $this->quoteIdentifier($name, true); |
| | | if (isset($fields[$name]['null']) && $fields[$name]['null']) { |
| | | $value = 'NULL'; |
| | | } else { |
| | | $value = $this->quote($fields[$name]['value'], $fields[$name]['type']); |
| | | $type = isset($fields[$name]['type']) ? $fields[$name]['type'] : null; |
| | | $value = $this->quote($fields[$name]['value'], $type); |
| | | if (PEAR::isError($value)) { |
| | | return $value; |
| | | } |
| | | } |
| | | $values.= $value; |
| | | if (isset($fields[$name]['key']) && $fields[$name]['key']) { |
| | | if ($value === 'NULL') { |
| | | return $this->raiseError(MDB2_ERROR_CANNOT_REPLACE, null, null, |
| | | 'replace: key value '.$name.' may not be NULL'); |
| | | 'key value '.$name.' may not be NULL', __FUNCTION__); |
| | | } |
| | | $keys++; |
| | | } |
| | | } |
| | | if ($keys == 0) { |
| | | return $this->raiseError(MDB2_ERROR_CANNOT_REPLACE, null, null, |
| | | 'replace: not specified which fields are keys'); |
| | | 'not specified which fields are keys', __FUNCTION__); |
| | | } |
| | | |
| | | $connection = $this->getConnection(); |
| | | if (PEAR::isError($connection)) { |
| | | return $connection; |
| | | } |
| | | |
| | | $table = $this->quoteIdentifier($table, true); |
| | | $query = "REPLACE INTO $table ($query) VALUES ($values)"; |
| | | $this->last_query = $query; |
| | | $this->debug($query, 'query'); |
| | | return $this->_doQuery($query, true); |
| | | $result =& $this->_doQuery($query, true, $connection); |
| | | if (PEAR::isError($result)) { |
| | | return $result; |
| | | } |
| | | return $this->_affectedRows($connection, $result); |
| | | } |
| | | |
| | | // }}} |
| | | // {{{ nextID() |
| | | |
| | | /** |
| | | * returns the next free id of a sequence |
| | | * Returns the next free id of a sequence |
| | | * |
| | | * @param string $seq_name name of the sequence |
| | | * @param boolean $ondemand when true the seqence is |
| | | * @param boolean $ondemand when true the sequence is |
| | | * automatic created, if it |
| | | * not exists |
| | | * |
| | |
| | | */ |
| | | function nextID($seq_name, $ondemand = true) |
| | | { |
| | | $sequence_name = $this->getSequenceName($seq_name); |
| | | $query = "INSERT INTO $sequence_name (".$this->options['seqcol_name'].") VALUES (NULL)"; |
| | | $sequence_name = $this->quoteIdentifier($this->getSequenceName($seq_name), true); |
| | | $seqcol_name = $this->quoteIdentifier($this->options['seqcol_name'], true); |
| | | $query = "INSERT INTO $sequence_name ($seqcol_name) VALUES (NULL)"; |
| | | $this->pushErrorHandling(PEAR_ERROR_RETURN); |
| | | $this->expectError(MDB2_ERROR_NOSUCHTABLE); |
| | | $result = $this->_doQuery($query, true); |
| | | $result =& $this->_doQuery($query, true); |
| | | $this->popExpect(); |
| | | $this->popErrorHandling(); |
| | | if (PEAR::isError($result)) { |
| | | if ($ondemand && $result->getCode() == MDB2_ERROR_NOSUCHTABLE) { |
| | | $this->loadModule('Manager'); |
| | | // Since we are creating the sequence on demand |
| | | // we know the first id = 1 so initialize the |
| | | // sequence at 2 |
| | | $result = $this->manager->createSequence($seq_name, 2); |
| | | $this->loadModule('Manager', null, true); |
| | | $result = $this->manager->createSequence($seq_name); |
| | | if (PEAR::isError($result)) { |
| | | return $this->raiseError(MDB2_ERROR, null, null, |
| | | 'nextID: on demand sequence '.$seq_name.' could not be created'); |
| | | return $this->raiseError($result, null, null, |
| | | 'on demand sequence '.$seq_name.' could not be created', __FUNCTION__); |
| | | } else { |
| | | // First ID of a newly created sequence is 1 |
| | | return 1; |
| | | return $this->nextID($seq_name, false); |
| | | } |
| | | } |
| | | return $result; |
| | | } |
| | | $value = $this->queryOne('SELECT LAST_INSERT_ID()', 'integer'); |
| | | $value = $this->lastInsertID(); |
| | | if (is_numeric($value)) { |
| | | $query = "DELETE FROM $sequence_name WHERE ".$this->options['seqcol_name']." < $value"; |
| | | $result = $this->_doQuery($query, true); |
| | | $query = "DELETE FROM $sequence_name WHERE $seqcol_name < $value"; |
| | | $result =& $this->_doQuery($query, true); |
| | | if (PEAR::isError($result)) { |
| | | $this->warnings[] = 'nextID: could not delete previous sequence table values from '.$seq_name; |
| | | } |
| | |
| | | // {{{ lastInsertID() |
| | | |
| | | /** |
| | | * returns the autoincrement ID if supported or $id |
| | | * Returns the autoincrement ID if supported or $id or fetches the current |
| | | * ID in a sequence called: $table.(empty($field) ? '' : '_'.$field) |
| | | * |
| | | * @param mixed $id value as returned by getBeforeId() |
| | | * @param string $table name of the table into which a new row was inserted |
| | | * @param string $field name of the field into which a new row was inserted |
| | | * @return mixed MDB2 Error Object or id |
| | | * @access public |
| | | */ |
| | | function lastInsertID($table = null, $field = null) |
| | | { |
| | | // not using mysql_insert_id() due to http://pear.php.net/bugs/bug.php?id=8051 |
| | | return $this->queryOne('SELECT LAST_INSERT_ID()', 'integer'); |
| | | } |
| | | |
| | |
| | | // {{{ currID() |
| | | |
| | | /** |
| | | * returns the current id of a sequence |
| | | * Returns the current id of a sequence |
| | | * |
| | | * @param string $seq_name name of the sequence |
| | | * @return mixed MDB2 Error Object or id |
| | |
| | | */ |
| | | function currID($seq_name) |
| | | { |
| | | $sequence_name = $this->getSequenceName($seq_name); |
| | | $query = "SELECT MAX(".$this->options['seqcol_name'].") FROM $sequence_name"; |
| | | $sequence_name = $this->quoteIdentifier($this->getSequenceName($seq_name), true); |
| | | $seqcol_name = $this->quoteIdentifier($this->options['seqcol_name'], true); |
| | | $query = "SELECT MAX($seqcol_name) FROM $sequence_name"; |
| | | return $this->queryOne($query, 'integer'); |
| | | } |
| | | } |
| | | |
| | | /** |
| | | * MDB2 MySQL result driver |
| | | * |
| | | * @package MDB2 |
| | | * @category Database |
| | | * @author Lukas Smith <smith@pooteeweet.org> |
| | | */ |
| | | class MDB2_Result_mysql extends MDB2_Result_Common |
| | | { |
| | | // }}} |
| | |
| | | } |
| | | |
| | | if (!$row) { |
| | | if (is_null($this->result)) { |
| | | if ($this->result === false) { |
| | | $err =& $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null, |
| | | 'fetchRow: resultset has already been freed'); |
| | | 'resultset has already been freed', __FUNCTION__); |
| | | return $err; |
| | | } |
| | | $null = null; |
| | | return $null; |
| | | } |
| | | if ($this->db->options['portability'] & MDB2_PORTABILITY_EMPTY_TO_NULL) { |
| | | $this->db->_fixResultArrayValues($row, MDB2_PORTABILITY_EMPTY_TO_NULL); |
| | | $mode = $this->db->options['portability'] & MDB2_PORTABILITY_EMPTY_TO_NULL; |
| | | $rtrim = false; |
| | | if ($this->db->options['portability'] & MDB2_PORTABILITY_RTRIM) { |
| | | if (empty($this->types)) { |
| | | $mode += MDB2_PORTABILITY_RTRIM; |
| | | } else { |
| | | $rtrim = true; |
| | | } |
| | | } |
| | | if ($mode) { |
| | | $this->db->_fixResultArrayValues($row, $mode); |
| | | } |
| | | if (!empty($this->types)) { |
| | | $row = $this->db->datatype->convertResultRow($this->types, $row, $rtrim); |
| | | } |
| | | if (!empty($this->values)) { |
| | | $this->_assignBindColumns($row); |
| | | } |
| | | if (!empty($this->types)) { |
| | | $row = $this->db->datatype->convertResultRow($this->types, $row); |
| | | } |
| | | if ($fetchmode === MDB2_FETCHMODE_OBJECT) { |
| | | $object_class = $this->db->options['fetch_class']; |
| | |
| | | /** |
| | | * Retrieve the names of columns returned by the DBMS in a query result. |
| | | * |
| | | * @return mixed an associative array variable |
| | | * that will hold the names of columns. The |
| | | * indexes of the array are the column names |
| | | * mapped to lower case and the values are the |
| | | * respective numbers of the columns starting |
| | | * from 0. Some DBMS may not return any |
| | | * columns when the result set does not |
| | | * contain any rows. |
| | | * |
| | | * a MDB2 error on failure |
| | | * @return mixed Array variable that holds the names of columns as keys |
| | | * or an MDB2 error on failure. |
| | | * Some DBMS may not return any columns when the result set |
| | | * does not contain any rows. |
| | | * @access private |
| | | */ |
| | | function _getColumnNames() |
| | |
| | | { |
| | | $cols = @mysql_num_fields($this->result); |
| | | if (is_null($cols)) { |
| | | if (is_null($this->result)) { |
| | | if ($this->result === false) { |
| | | return $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null, |
| | | 'numCols: resultset has already been freed'); |
| | | 'resultset has already been freed', __FUNCTION__); |
| | | } elseif (is_null($this->result)) { |
| | | return count($this->types); |
| | | } |
| | | return $this->db->raiseError(); |
| | | return $this->db->raiseError(null, null, null, |
| | | 'Could not get column count', __FUNCTION__); |
| | | } |
| | | return $cols; |
| | | } |
| | |
| | | */ |
| | | function free() |
| | | { |
| | | $free = @mysql_free_result($this->result); |
| | | if (!$free) { |
| | | if (is_null($this->result)) { |
| | | return MDB2_OK; |
| | | if (is_resource($this->result) && $this->db->connection) { |
| | | $free = @mysql_free_result($this->result); |
| | | if ($free === false) { |
| | | return $this->db->raiseError(null, null, null, |
| | | 'Could not free result', __FUNCTION__); |
| | | } |
| | | return $this->db->raiseError(); |
| | | } |
| | | $this->result = null; |
| | | $this->result = false; |
| | | return MDB2_OK; |
| | | } |
| | | } |
| | | |
| | | /** |
| | | * MDB2 MySQL buffered result driver |
| | | * |
| | | * @package MDB2 |
| | | * @category Database |
| | | * @author Lukas Smith <smith@pooteeweet.org> |
| | | */ |
| | | class MDB2_BufferedResult_mysql extends MDB2_Result_mysql |
| | | { |
| | | // }}} |
| | | // {{{ seek() |
| | | |
| | | /** |
| | | * seek to a specific row in a result set |
| | | * |
| | | * @param int $rownum number of the row where the data can be found |
| | | * @return mixed MDB2_OK on success, a MDB2 error on failure |
| | | * @access public |
| | | */ |
| | | * Seek to a specific row in a result set |
| | | * |
| | | * @param int $rownum number of the row where the data can be found |
| | | * @return mixed MDB2_OK on success, a MDB2 error on failure |
| | | * @access public |
| | | */ |
| | | function seek($rownum = 0) |
| | | { |
| | | if ($this->rownum != ($rownum - 1) && !@mysql_data_seek($this->result, $rownum)) { |
| | | if (is_null($this->result)) { |
| | | if ($this->result === false) { |
| | | return $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null, |
| | | 'seek: resultset has already been freed'); |
| | | 'resultset has already been freed', __FUNCTION__); |
| | | } elseif (is_null($this->result)) { |
| | | return MDB2_OK; |
| | | } |
| | | return $this->db->raiseError(MDB2_ERROR_INVALID, null, null, |
| | | 'seek: tried to seek to an invalid row number ('.$rownum.')'); |
| | | 'tried to seek to an invalid row number ('.$rownum.')', __FUNCTION__); |
| | | } |
| | | $this->rownum = $rownum - 1; |
| | | return MDB2_OK; |
| | |
| | | // {{{ valid() |
| | | |
| | | /** |
| | | * check if the end of the result set has been reached |
| | | * |
| | | * @return mixed true or false on sucess, a MDB2 error on failure |
| | | * @access public |
| | | */ |
| | | * Check if the end of the result set has been reached |
| | | * |
| | | * @return mixed true or false on sucess, a MDB2 error on failure |
| | | * @access public |
| | | */ |
| | | function valid() |
| | | { |
| | | $numrows = $this->numRows(); |
| | |
| | | // {{{ numRows() |
| | | |
| | | /** |
| | | * returns the number of rows in a result object |
| | | * |
| | | * @return mixed MDB2 Error Object or the number of rows |
| | | * @access public |
| | | */ |
| | | * Returns the number of rows in a result object |
| | | * |
| | | * @return mixed MDB2 Error Object or the number of rows |
| | | * @access public |
| | | */ |
| | | function numRows() |
| | | { |
| | | $rows = @mysql_num_rows($this->result); |
| | | if (is_null($rows)) { |
| | | if (is_null($this->result)) { |
| | | if (false === $rows) { |
| | | if (false === $this->result) { |
| | | return $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null, |
| | | 'numRows: resultset has already been freed'); |
| | | 'resultset has already been freed', __FUNCTION__); |
| | | } elseif (is_null($this->result)) { |
| | | return 0; |
| | | } |
| | | return $this->raiseError(); |
| | | return $this->db->raiseError(null, null, null, |
| | | 'Could not get row count', __FUNCTION__); |
| | | } |
| | | return $rows; |
| | | } |
| | | } |
| | | |
| | | /** |
| | | * MDB2 MySQL statement driver |
| | | * |
| | | * @package MDB2 |
| | | * @category Database |
| | | * @author Lukas Smith <smith@pooteeweet.org> |
| | | */ |
| | | class MDB2_Statement_mysql extends MDB2_Statement_Common |
| | | { |
| | | // {{{ _execute() |
| | | |
| | | /** |
| | | * Execute a prepared query statement helper method. |
| | | * |
| | | * @param mixed $result_class string which specifies which result class to use |
| | | * @param mixed $result_wrap_class string which specifies which class to wrap results in |
| | | * @return mixed a result handle or MDB2_OK on success, a MDB2 error on failure |
| | | * @access private |
| | | */ |
| | | function &_execute($result_class = true, $result_wrap_class = false) |
| | | { |
| | | if (is_null($this->statement)) { |
| | | $result =& parent::_execute($result_class, $result_wrap_class); |
| | | return $result; |
| | | } |
| | | $this->db->last_query = $this->query; |
| | | $this->db->debug($this->query, 'execute', array('is_manip' => $this->is_manip, 'when' => 'pre', 'parameters' => $this->values)); |
| | | if ($this->db->getOption('disable_query')) { |
| | | $result = $this->is_manip ? 0 : null; |
| | | return $result; |
| | | } |
| | | |
| | | $connection = $this->db->getConnection(); |
| | | if (PEAR::isError($connection)) { |
| | | return $connection; |
| | | } |
| | | |
| | | $query = 'EXECUTE '.$this->statement; |
| | | if (!empty($this->positions)) { |
| | | $parameters = array(); |
| | | foreach ($this->positions as $parameter) { |
| | | if (!array_key_exists($parameter, $this->values)) { |
| | | return $this->db->raiseError(MDB2_ERROR_NOT_FOUND, null, null, |
| | | 'Unable to bind to missing placeholder: '.$parameter, __FUNCTION__); |
| | | } |
| | | $value = $this->values[$parameter]; |
| | | $type = array_key_exists($parameter, $this->types) ? $this->types[$parameter] : null; |
| | | if (is_resource($value) || $type == 'clob' || $type == 'blob' && $this->db->options['lob_allow_url_include']) { |
| | | if (!is_resource($value) && preg_match('/^(\w+:\/\/)(.*)$/', $value, $match)) { |
| | | if ($match[1] == 'file://') { |
| | | $value = $match[2]; |
| | | } |
| | | $value = @fopen($value, 'r'); |
| | | $close = true; |
| | | } |
| | | if (is_resource($value)) { |
| | | $data = ''; |
| | | while (!@feof($value)) { |
| | | $data.= @fread($value, $this->db->options['lob_buffer_length']); |
| | | } |
| | | if ($close) { |
| | | @fclose($value); |
| | | } |
| | | $value = $data; |
| | | } |
| | | } |
| | | $quoted = $this->db->quote($value, $type); |
| | | if (PEAR::isError($quoted)) { |
| | | return $quoted; |
| | | } |
| | | $param_query = 'SET @'.$parameter.' = '.$quoted; |
| | | $result = $this->db->_doQuery($param_query, true, $connection); |
| | | if (PEAR::isError($result)) { |
| | | return $result; |
| | | } |
| | | } |
| | | $query.= ' USING @'.implode(', @', array_values($this->positions)); |
| | | } |
| | | |
| | | $result = $this->db->_doQuery($query, $this->is_manip, $connection); |
| | | if (PEAR::isError($result)) { |
| | | return $result; |
| | | } |
| | | |
| | | if ($this->is_manip) { |
| | | $affected_rows = $this->db->_affectedRows($connection, $result); |
| | | return $affected_rows; |
| | | } |
| | | |
| | | $result =& $this->db->_wrapResult($result, $this->result_types, |
| | | $result_class, $result_wrap_class, $this->limit, $this->offset); |
| | | $this->db->debug($this->query, 'execute', array('is_manip' => $this->is_manip, 'when' => 'post', 'result' => $result)); |
| | | return $result; |
| | | } |
| | | |
| | | // }}} |
| | | // {{{ free() |
| | | |
| | | /** |
| | | * Release resources allocated for the specified prepared query. |
| | | * |
| | | * @return mixed MDB2_OK on success, a MDB2 error on failure |
| | | * @access public |
| | | */ |
| | | function free() |
| | | { |
| | | if (is_null($this->positions)) { |
| | | return $this->db->raiseError(MDB2_ERROR, null, null, |
| | | 'Prepared statement has already been freed', __FUNCTION__); |
| | | } |
| | | $result = MDB2_OK; |
| | | |
| | | if (!is_null($this->statement)) { |
| | | $connection = $this->db->getConnection(); |
| | | if (PEAR::isError($connection)) { |
| | | return $connection; |
| | | } |
| | | $query = 'DEALLOCATE PREPARE '.$this->statement; |
| | | $result = $this->db->_doQuery($query, true, $connection); |
| | | } |
| | | |
| | | parent::free(); |
| | | return $result; |
| | | } |
| | | } |
| | | ?> |