forked from GNUsocial/gnu-social
1576 lines
55 KiB
PHP
1576 lines
55 KiB
PHP
<?php
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// vim: set et ts=4 sw=4 fdm=marker:
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// +----------------------------------------------------------------------+
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// | PHP versions 4 and 5 |
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// +----------------------------------------------------------------------+
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// | Copyright (c) 1998-2008 Manuel Lemos, Tomas V.V.Cox, |
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// | Stig. S. Bakken, Lukas Smith, Lorenzo Alberton |
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// | All rights reserved. |
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// +----------------------------------------------------------------------+
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// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB |
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// | API as well as database abstraction for PHP applications. |
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// | This LICENSE is in the BSD license style. |
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// | |
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// | Redistribution and use in source and binary forms, with or without |
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// | modification, are permitted provided that the following conditions |
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// | are met: |
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// | |
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// | Redistributions of source code must retain the above copyright |
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// | notice, this list of conditions and the following disclaimer. |
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// | |
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// | Redistributions in binary form must reproduce the above copyright |
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// | notice, this list of conditions and the following disclaimer in the |
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// | documentation and/or other materials provided with the distribution. |
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// | |
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// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken, |
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// | Lukas Smith nor the names of his contributors may be used to endorse |
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// | or promote products derived from this software without specific prior|
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// | written permission. |
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// | |
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// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
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// | FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
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// | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
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// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
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// | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS|
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// | OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
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// | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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// | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY|
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// | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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// | POSSIBILITY OF SUCH DAMAGE. |
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// +----------------------------------------------------------------------+
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// | Author: Lorenzo Alberton <l.alberton@quipo.it> |
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// +----------------------------------------------------------------------+
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//
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// $Id$
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/**
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* MDB2 FireBird/InterBase driver
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*
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* @package MDB2
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* @category Database
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* @author Lorenzo Alberton <l.alberton@quipo.it>
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*/
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class MDB2_Driver_ibase extends MDB2_Driver_Common
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{
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// {{{ properties
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var $string_quoting = array('start' => "'", 'end' => "'", 'escape' => "'", 'escape_pattern' => '\\');
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var $identifier_quoting = array('start' => '"', 'end' => '"', 'escape' => false);
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var $transaction_id = 0;
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var $query_parameters = array();
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var $query_parameter_values = array();
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// }}}
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// {{{ constructor
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/**
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* Constructor
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*/
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function __construct()
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{
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parent::__construct();
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$this->phptype = 'ibase';
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$this->dbsyntax = 'ibase';
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$this->supported['sequences'] = true;
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$this->supported['indexes'] = true;
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$this->supported['affected_rows'] = function_exists('ibase_affected_rows');
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$this->supported['summary_functions'] = true;
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$this->supported['order_by_text'] = true;
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$this->supported['transactions'] = true;
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$this->supported['savepoints'] = true;
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$this->supported['current_id'] = true;
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$this->supported['limit_queries'] = 'emulated';
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$this->supported['LOBs'] = true;
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$this->supported['replace'] = false;
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$this->supported['sub_selects'] = true;
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$this->supported['triggers'] = true;
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$this->supported['auto_increment'] = true;
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$this->supported['primary_key'] = true;
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$this->supported['result_introspection'] = true;
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$this->supported['prepared_statements'] = true;
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$this->supported['identifier_quoting'] = true;
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$this->supported['pattern_escaping'] = true;
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$this->supported['new_link'] = false;
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$this->options['DBA_username'] = false;
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$this->options['DBA_password'] = false;
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$this->options['database_path'] = '';
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$this->options['database_extension'] = '.gdb';
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$this->options['server_version'] = '';
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$this->options['max_identifiers_length'] = 31;
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}
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// }}}
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// {{{ errorInfo()
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/**
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* This method is used to collect information about an error
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*
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* @param integer $error
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* @return array
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* @access public
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*/
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function errorInfo($error = null)
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{
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$native_msg = @ibase_errmsg();
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if (function_exists('ibase_errcode')) {
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$native_code = @ibase_errcode();
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} else {
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// memo for the interbase php module hackers: we need something similar
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// to mysql_errno() to retrieve error codes instead of this ugly hack
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if (preg_match('/^([^0-9\-]+)([0-9\-]+)\s+(.*)$/', $native_msg, $m)) {
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$native_code = (int)$m[2];
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} else {
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$native_code = null;
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}
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}
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if (null === $error) {
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$error = MDB2_ERROR;
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if ($native_code) {
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// try to interpret Interbase error code (that's why we need ibase_errno()
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// in the interbase module to return the real error code)
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switch ($native_code) {
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case -204:
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if (isset($m[3]) && is_int(strpos($m[3], 'Table unknown'))) {
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$errno = MDB2_ERROR_NOSUCHTABLE;
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}
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break;
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default:
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static $ecode_map;
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if (empty($ecode_map)) {
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$ecode_map = array(
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-104 => MDB2_ERROR_SYNTAX,
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-150 => MDB2_ERROR_ACCESS_VIOLATION,
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-151 => MDB2_ERROR_ACCESS_VIOLATION,
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-155 => MDB2_ERROR_NOSUCHTABLE,
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-157 => MDB2_ERROR_NOSUCHFIELD,
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-158 => MDB2_ERROR_VALUE_COUNT_ON_ROW,
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-170 => MDB2_ERROR_MISMATCH,
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-171 => MDB2_ERROR_MISMATCH,
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-172 => MDB2_ERROR_INVALID,
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// -204 => // Covers too many errors, need to use regex on msg
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-205 => MDB2_ERROR_NOSUCHFIELD,
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-206 => MDB2_ERROR_NOSUCHFIELD,
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-208 => MDB2_ERROR_INVALID,
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-219 => MDB2_ERROR_NOSUCHTABLE,
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-297 => MDB2_ERROR_CONSTRAINT,
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-303 => MDB2_ERROR_INVALID,
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-413 => MDB2_ERROR_INVALID_NUMBER,
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-530 => MDB2_ERROR_CONSTRAINT,
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-551 => MDB2_ERROR_ACCESS_VIOLATION,
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-552 => MDB2_ERROR_ACCESS_VIOLATION,
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// -607 => // Covers too many errors, need to use regex on msg
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-625 => MDB2_ERROR_CONSTRAINT_NOT_NULL,
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-803 => MDB2_ERROR_CONSTRAINT,
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-804 => MDB2_ERROR_VALUE_COUNT_ON_ROW,
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// -902 => // Covers too many errors, need to use regex on msg
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-904 => MDB2_ERROR_CONNECT_FAILED,
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-922 => MDB2_ERROR_NOSUCHDB,
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-923 => MDB2_ERROR_CONNECT_FAILED,
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-924 => MDB2_ERROR_CONNECT_FAILED
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);
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}
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if (isset($ecode_map[$native_code])) {
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$error = $ecode_map[$native_code];
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}
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break;
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}
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} else {
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static $error_regexps;
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if (!isset($error_regexps)) {
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$error_regexps = array(
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'/generator .* is not defined/'
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=> MDB2_ERROR_SYNTAX, // for compat. w ibase_errcode()
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'/table.*(not exist|not found|unknown)/i'
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=> MDB2_ERROR_NOSUCHTABLE,
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'/table .* already exists/i'
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=> MDB2_ERROR_ALREADY_EXISTS,
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'/unsuccessful metadata update .* failed attempt to store duplicate value/i'
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=> MDB2_ERROR_ALREADY_EXISTS,
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'/unsuccessful metadata update .* not found/i'
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=> MDB2_ERROR_NOT_FOUND,
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'/validation error for column .* value "\*\*\* null/i'
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=> MDB2_ERROR_CONSTRAINT_NOT_NULL,
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'/violation of [\w ]+ constraint/i'
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=> MDB2_ERROR_CONSTRAINT,
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'/conversion error from string/i'
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=> MDB2_ERROR_INVALID_NUMBER,
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'/no permission for/i'
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=> MDB2_ERROR_ACCESS_VIOLATION,
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'/arithmetic exception, numeric overflow, or string truncation/i'
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=> MDB2_ERROR_INVALID,
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'/feature is not supported/i'
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=> MDB2_ERROR_NOT_CAPABLE,
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);
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}
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foreach ($error_regexps as $regexp => $code) {
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if (preg_match($regexp, $native_msg, $m)) {
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$error = $code;
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break;
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}
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}
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}
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}
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return array($error, $native_code, $native_msg);
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}
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// {{{ escape()
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/**
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* Quotes a string so it can be safely used in a query. It will quote
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* the text so it can safely be used within a query.
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*
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* @param string the input string to quote
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* @param bool escape wildcards
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*
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* @return string quoted string
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*
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* @access public
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*/
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function escape($text, $escape_wildcards = false)
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{
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//Remove a NULL-character (may break queries when inserted):
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$text = str_replace("\x00", '', $text);
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return parent::escape($text, $escape_wildcards);
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}
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// }}}
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// }}}
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// {{{ quoteIdentifier()
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/**
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* Delimited identifiers are a nightmare with InterBase, so they're disabled
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*
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* @param string $str identifier name to be quoted
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* @param bool $check_option check the 'quote_identifier' option
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*
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* @return string quoted identifier string
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*
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* @access public
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*/
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function quoteIdentifier($str, $check_option = false)
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{
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if ($check_option && !$this->options['quote_identifier']) {
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return $str;
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}
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return parent::quoteIdentifier(strtoupper($str), $check_option);
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}
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// }}}
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// {{{ getConnection()
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/**
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* Returns a native connection
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*
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* @return mixed a valid MDB2 connection object,
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* or a MDB2 error object on error
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* @access public
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*/
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function getConnection()
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{
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$result = $this->connect();
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if (MDB2::isError($result)) {
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return $result;
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}
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if ($this->in_transaction) {
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return $this->transaction_id;
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}
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return $this->connection;
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}
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// }}}
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// {{{ beginTransaction()
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/**
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* Start a transaction or set a savepoint.
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*
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* @param string name of a savepoint to set
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* @return mixed MDB2_OK on success, a MDB2 error on failure
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*
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* @access public
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*/
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function beginTransaction($savepoint = null)
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{
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$this->debug('Starting transaction/savepoint', __FUNCTION__, array('is_manip' => true, 'savepoint' => $savepoint));
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if (null !== $savepoint) {
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if (!$this->in_transaction) {
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return $this->raiseError(MDB2_ERROR_INVALID, null, null,
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'savepoint cannot be released when changes are auto committed', __FUNCTION__);
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}
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$query = 'SAVEPOINT '.$savepoint;
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return $this->_doQuery($query, true);
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}
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if ($this->in_transaction) {
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return MDB2_OK; //nothing to do
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}
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$connection = $this->getConnection();
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if (MDB2::isError($connection)) {
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return $connection;
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}
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$result = @ibase_trans(IBASE_DEFAULT, $connection);
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if (!$result) {
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return $this->raiseError(null, null, null,
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'could not start a transaction', __FUNCTION__);
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}
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$this->transaction_id = $result;
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$this->in_transaction = true;
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return MDB2_OK;
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}
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// }}}
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// {{{ commit()
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/**
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* Commit the database changes done during a transaction that is in
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* progress or release a savepoint. This function may only be called when
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* auto-committing is disabled, otherwise it will fail. Therefore, a new
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* transaction is implicitly started after committing the pending changes.
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*
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* @param string name of a savepoint to release
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* @return mixed MDB2_OK on success, a MDB2 error on failure
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*
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* @access public
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*/
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function commit($savepoint = null)
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{
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$this->debug('Committing transaction/savepoint', __FUNCTION__, array('is_manip' => true, 'savepoint' => $savepoint));
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if (!$this->in_transaction) {
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return $this->raiseError(MDB2_ERROR_INVALID, null, null,
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'commit/release savepoint cannot be done changes are auto committed', __FUNCTION__);
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}
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if (null !== $savepoint) {
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$query = 'RELEASE SAVEPOINT '.$savepoint;
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return $this->_doQuery($query, true);
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}
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if (!@ibase_commit($this->transaction_id)) {
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return $this->raiseError(null, null, null,
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'could not commit a transaction', __FUNCTION__);
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}
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$this->in_transaction = false;
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$this->transaction_id = 0;
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return MDB2_OK;
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}
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// }}}
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// {{{ rollback()
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/**
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* Cancel any database changes done during a transaction or since a specific
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* savepoint that is in progress. This function may only be called when
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* auto-committing is disabled, otherwise it will fail. Therefore, a new
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* transaction is implicitly started after canceling the pending changes.
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*
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* @param string name of a savepoint to rollback to
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* @return mixed MDB2_OK on success, a MDB2 error on failure
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*
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* @access public
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*/
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function rollback($savepoint = null)
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{
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$this->debug('Rolling back transaction/savepoint', __FUNCTION__, array('is_manip' => true, 'savepoint' => $savepoint));
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if (!$this->in_transaction) {
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return $this->raiseError(MDB2_ERROR_INVALID, null, null,
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'rollback cannot be done changes are auto committed', __FUNCTION__);
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}
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if (null !== $savepoint) {
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$query = 'ROLLBACK TO SAVEPOINT '.$savepoint;
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return $this->_doQuery($query, true);
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}
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if ($this->transaction_id && !@ibase_rollback($this->transaction_id)) {
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return $this->raiseError(null, null, null,
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'Could not rollback a pending transaction: '.@ibase_errmsg(), __FUNCTION__);
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}
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$this->in_transaction = false;
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$this->transaction_id = 0;
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return MDB2_OK;
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}
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// }}}
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// {{{ setTransactionIsolation()
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/**
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* Set the transacton isolation level.
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*
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* @param string standard isolation level (SQL-92)
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* READ UNCOMMITTED (allows dirty reads)
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* READ COMMITTED (prevents dirty reads)
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* REPEATABLE READ (prevents nonrepeatable reads)
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* SERIALIZABLE (prevents phantom reads)
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* @param array some transaction options:
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* 'wait' => 'WAIT' | 'NO WAIT'
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* 'rw' => 'READ WRITE' | 'READ ONLY'
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* @return mixed MDB2_OK on success, a MDB2 error on failure
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*
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* @access public
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* @since 2.1.1
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*/
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function setTransactionIsolation($isolation, $options = array())
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{
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$this->debug('Setting transaction isolation level', __FUNCTION__, array('is_manip' => true));
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switch ($isolation) {
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case 'READ UNCOMMITTED':
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$ibase_isolation = 'READ COMMITTED RECORD_VERSION';
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break;
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case 'READ COMMITTED':
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$ibase_isolation = 'READ COMMITTED NO RECORD_VERSION';
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break;
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case 'REPEATABLE READ':
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$ibase_isolation = 'SNAPSHOT';
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break;
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case 'SERIALIZABLE':
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$ibase_isolation = 'SNAPSHOT TABLE STABILITY';
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break;
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default:
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return $this->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
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'isolation level is not supported: '.$isolation, __FUNCTION__);
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}
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if (!empty($options['wait'])) {
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switch ($options['wait']) {
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case 'WAIT':
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case 'NO WAIT':
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$wait = $options['wait'];
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break;
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default:
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return $this->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
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'wait option is not supported: '.$options['wait'], __FUNCTION__);
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}
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}
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if (!empty($options['rw'])) {
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switch ($options['rw']) {
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case 'READ ONLY':
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case 'READ WRITE':
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$rw = $options['rw'];
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break;
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default:
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return $this->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
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'rw option is not supported: '.$options['rw'], __FUNCTION__);
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}
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}
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$query = "SET TRANSACTION $rw $wait ISOLATION LEVEL $ibase_isolation";
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return $this->_doQuery($query, true);
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}
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// }}}
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// {{{ getDatabaseFile($database_name)
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/**
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* Builds the string with path+dbname+extension
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*
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* @return string full database path+file
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* @access protected
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*/
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function _getDatabaseFile($database_name)
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{
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if ($database_name == '') {
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return $database_name;
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}
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$ret = $this->options['database_path'] . $database_name;
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if (!preg_match('/\.[fg]db$/i', $database_name)) {
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$ret .= $this->options['database_extension'];
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}
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return $ret;
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}
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// }}}
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// {{{ _doConnect()
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/**
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* Does the grunt work of connecting to the database
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*
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* @return mixed connection resource on success, MDB2 Error Object on failure
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* @access protected
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*/
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function _doConnect($username, $password, $database_name, $persistent = false)
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{
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if (!extension_loaded('interbase')) {
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return $this->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
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'extension '.$this->phptype.' is not compiled into PHP', __FUNCTION__);
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}
|
|
|
|
$database_file = $this->_getDatabaseFile($database_name);
|
|
$dbhost = $this->dsn['hostspec'] ?
|
|
($this->dsn['hostspec'].':'.$database_file) : $database_file;
|
|
|
|
$params = array();
|
|
$params[] = $dbhost;
|
|
$params[] = !empty($username) ? $username : null;
|
|
$params[] = !empty($password) ? $password : null;
|
|
$params[] = isset($this->dsn['charset']) ? $this->dsn['charset'] : null;
|
|
$params[] = isset($this->dsn['buffers']) ? $this->dsn['buffers'] : null;
|
|
$params[] = isset($this->dsn['dialect']) ? $this->dsn['dialect'] : null;
|
|
$params[] = isset($this->dsn['role']) ? $this->dsn['role'] : null;
|
|
|
|
$connect_function = $persistent ? 'ibase_pconnect' : 'ibase_connect';
|
|
$connection = @call_user_func_array($connect_function, $params);
|
|
if ($connection <= 0) {
|
|
return $this->raiseError(MDB2_ERROR_CONNECT_FAILED, null, null,
|
|
'unable to establish a connection', __FUNCTION__);
|
|
}
|
|
|
|
if (empty($this->dsn['disable_iso_date'])) {
|
|
if (function_exists('ibase_timefmt')) {
|
|
@ibase_timefmt("%Y-%m-%d %H:%M:%S", IBASE_TIMESTAMP);
|
|
@ibase_timefmt("%Y-%m-%d", IBASE_DATE);
|
|
} else {
|
|
@ini_set("ibase.timestampformat", "%Y-%m-%d %H:%M:%S");
|
|
//@ini_set("ibase.timeformat", "%H:%M:%S");
|
|
@ini_set("ibase.dateformat", "%Y-%m-%d");
|
|
}
|
|
}
|
|
|
|
return $connection;
|
|
}
|
|
|
|
// }}}
|
|
// {{{ connect()
|
|
|
|
/**
|
|
* Connect to the database
|
|
*
|
|
* @return true on success, MDB2 Error Object on failure
|
|
* @access public
|
|
*/
|
|
function connect()
|
|
{
|
|
$database_file = $this->_getDatabaseFile($this->database_name);
|
|
if (is_resource($this->connection)) {
|
|
//if (count(array_diff($this->connected_dsn, $this->dsn)) == 0
|
|
if (MDB2::areEquals($this->connected_dsn, $this->dsn)
|
|
&& $this->connected_database_name == $database_file
|
|
&& $this->opened_persistent == $this->options['persistent']
|
|
) {
|
|
return MDB2_OK;
|
|
}
|
|
$this->disconnect(false);
|
|
}
|
|
|
|
if (empty($this->database_name)) {
|
|
return $this->raiseError(MDB2_ERROR_CONNECT_FAILED, null, null,
|
|
'unable to establish a connection', __FUNCTION__);
|
|
}
|
|
|
|
$connection = $this->_doConnect($this->dsn['username'],
|
|
$this->dsn['password'],
|
|
$this->database_name,
|
|
$this->options['persistent']);
|
|
if (MDB2::isError($connection)) {
|
|
return $connection;
|
|
}
|
|
$this->connection =& $connection;
|
|
$this->connected_dsn = $this->dsn;
|
|
$this->connected_database_name = $database_file;
|
|
$this->opened_persistent = $this->options['persistent'];
|
|
$this->dbsyntax = $this->dsn['dbsyntax'] ? $this->dsn['dbsyntax'] : $this->phptype;
|
|
$this->supported['limit_queries'] = ($this->dbsyntax == 'firebird') ? true : 'emulated';
|
|
|
|
return MDB2_OK;
|
|
}
|
|
|
|
// }}}
|
|
// {{{ 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)
|
|
{
|
|
$database_file = $this->_getDatabaseFile($name);
|
|
$result = file_exists($database_file);
|
|
return $result;
|
|
}
|
|
|
|
// }}}
|
|
// {{{ disconnect()
|
|
|
|
/**
|
|
* 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) {
|
|
$ok = @ibase_close($this->connection);
|
|
if (!$ok) {
|
|
return $this->raiseError(MDB2_ERROR_DISCONNECT_FAILED,
|
|
null, null, null, __FUNCTION__);
|
|
}
|
|
}
|
|
} else {
|
|
return false;
|
|
}
|
|
return parent::disconnect($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->database_name, $this->options['persistent']);
|
|
if (MDB2::isError($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, $connection);
|
|
if (!MDB2::isError($result)) {
|
|
$result = $this->_affectedRows($connection, $result);
|
|
}
|
|
|
|
@ibase_close($connection);
|
|
return $result;
|
|
}
|
|
|
|
// }}}
|
|
// {{{ _doQuery()
|
|
|
|
/**
|
|
* Execute a query
|
|
* @param string $query 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, $is_manip = false, $connection = null, $database_name = null)
|
|
{
|
|
$this->last_query = $query;
|
|
$result = $this->debug($query, 'query', array('is_manip' => $is_manip, 'when' => 'pre'));
|
|
if ($result) {
|
|
if (MDB2::isError($result)) {
|
|
return $result;
|
|
}
|
|
$query = $result;
|
|
}
|
|
if ($this->getOption('disable_query')) {
|
|
if ($is_manip) {
|
|
return 0;
|
|
}
|
|
return null;
|
|
}
|
|
|
|
if (null === $connection) {
|
|
$connection = $this->getConnection();
|
|
if (MDB2::isError($connection)) {
|
|
return $connection;
|
|
}
|
|
}
|
|
$result = @ibase_query($connection, $query);
|
|
|
|
if (false === $result) {
|
|
$err = $this->raiseError(null, null, null,
|
|
'Could not execute statement', __FUNCTION__);
|
|
return $err;
|
|
}
|
|
|
|
$this->debug($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 (null === $connection) {
|
|
$connection = $this->getConnection();
|
|
if (MDB2::isError($connection)) {
|
|
return $connection;
|
|
}
|
|
}
|
|
return (function_exists('ibase_affected_rows') ? @ibase_affected_rows($connection) : 0);
|
|
}
|
|
|
|
// }}}
|
|
// {{{ _modifyQuery()
|
|
|
|
/**
|
|
* Changes a query string for various DBMS specific reasons
|
|
*
|
|
* @param string $query query to modify
|
|
* @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, $is_manip, $limit, $offset)
|
|
{
|
|
if ($limit > 0 && $this->supports('limit_queries') === true) {
|
|
$query = preg_replace('/^([\s(])*SELECT(?!\s*FIRST\s*\d+)/i',
|
|
"SELECT FIRST $limit SKIP $offset", $query);
|
|
}
|
|
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)
|
|
{
|
|
$server_info = false;
|
|
if ($this->connected_server_info) {
|
|
$server_info = $this->connected_server_info;
|
|
} elseif ($this->options['server_version']) {
|
|
$server_info = $this->options['server_version'];
|
|
} else {
|
|
$username = $this->options['DBA_username'] ? $this->options['DBA_username'] : $this->dsn['username'];
|
|
$password = $this->options['DBA_password'] ? $this->options['DBA_password'] : $this->dsn['password'];
|
|
$ibserv = @ibase_service_attach($this->dsn['hostspec'], $username, $password);
|
|
$server_info = @ibase_server_info($ibserv, IBASE_SVC_SERVER_VERSION);
|
|
@ibase_service_detach($ibserv);
|
|
}
|
|
if (!$server_info) {
|
|
return $this->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
|
|
'Requires either "server_version" or "DBA_username"/"DBA_password" option', __FUNCTION__);
|
|
}
|
|
// cache server_info
|
|
$this->connected_server_info = $server_info;
|
|
if (!$native) {
|
|
//WI-V1.5.3.4854 Firebird 1.5
|
|
//WI-T2.1.0.16780 Firebird 2.1 Beta 2
|
|
if (!preg_match('/-[VT]([\d\.]*)/', $server_info, $matches)) {
|
|
return $this->raiseError(MDB2_ERROR_INVALID, null, null,
|
|
'Could not parse version information:'.$server_info, __FUNCTION__);
|
|
}
|
|
$tmp = explode('.', $matches[1], 4);
|
|
$server_info = array(
|
|
'major' => isset($tmp[0]) ? $tmp[0] : null,
|
|
'minor' => isset($tmp[1]) ? $tmp[1] : null,
|
|
'patch' => isset($tmp[2]) ? $tmp[2] : null,
|
|
'extra' => isset($tmp[3]) ? $tmp[3] : null,
|
|
'native' => $server_info,
|
|
);
|
|
}
|
|
return $server_info;
|
|
}
|
|
|
|
// }}}
|
|
// {{{ 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']) {
|
|
return parent::prepare($query, $types, $result_types, $lobs);
|
|
}
|
|
$is_manip = ($result_types === MDB2_PREPARE_MANIP);
|
|
$offset = $this->offset;
|
|
$limit = $this->limit;
|
|
$this->offset = $this->limit = 0;
|
|
$result = $this->debug($query, __FUNCTION__, array('is_manip' => $is_manip, 'when' => 'pre'));
|
|
if ($result) {
|
|
if (MDB2::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 (null === $placeholder_type) {
|
|
$placeholder_type_guess = $query[$p_position];
|
|
}
|
|
|
|
$new_pos = $this->_skipDelimitedStrings($query, $position, $p_position);
|
|
if (MDB2::isError($new_pos)) {
|
|
return $new_pos;
|
|
}
|
|
if ($new_pos != $position) {
|
|
$position = $new_pos;
|
|
continue; //evaluate again starting from the new position
|
|
}
|
|
|
|
if ($query[$position] == $placeholder_type_guess) {
|
|
if (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[] = $parameter;
|
|
$query = substr_replace($query, '?', $position, strlen($parameter)+1);
|
|
} else {
|
|
$positions[] = count($positions);
|
|
}
|
|
$position = $p_position + 1;
|
|
} else {
|
|
$position = $p_position;
|
|
}
|
|
}
|
|
$connection = $this->getConnection();
|
|
if (MDB2::isError($connection)) {
|
|
return $connection;
|
|
}
|
|
$statement = @ibase_prepare($connection, $query);
|
|
if (!$statement) {
|
|
$err = $this->raiseError(null, null, null,
|
|
'Could not create statement', __FUNCTION__);
|
|
return $err;
|
|
}
|
|
|
|
$class_name = 'MDB2_Statement_'.$this->phptype;
|
|
$obj = new $class_name($this, $statement, $positions, $query, $types, $result_types, $is_manip, $limit, $offset);
|
|
$this->debug($query, __FUNCTION__, array('is_manip' => $is_manip, 'when' => 'post', 'result' => $obj));
|
|
return $obj;
|
|
}
|
|
|
|
// }}}
|
|
// {{{ getSequenceName()
|
|
|
|
/**
|
|
* adds sequence name formatting to a sequence name
|
|
*
|
|
* @param string $sqn name of the sequence
|
|
* @return string formatted sequence name
|
|
* @access public
|
|
*/
|
|
function getSequenceName($sqn)
|
|
{
|
|
return strtoupper(parent::getSequenceName($sqn));
|
|
}
|
|
|
|
// }}}
|
|
// {{{ nextID()
|
|
|
|
/**
|
|
* Returns the next free id of a sequence
|
|
*
|
|
* @param string $seq_name name of the sequence
|
|
* @param boolean $ondemand when true the sequence is
|
|
* automatic created, if it
|
|
* not exists
|
|
* @return mixed MDB2 Error Object or id
|
|
* @access public
|
|
*/
|
|
function nextID($seq_name, $ondemand = true)
|
|
{
|
|
$sequence_name = $this->getSequenceName($seq_name);
|
|
$query = 'SELECT GEN_ID('.$sequence_name.', 1) as the_value FROM RDB$DATABASE';
|
|
$this->pushErrorHandling(PEAR_ERROR_RETURN);
|
|
$this->expectError('*');
|
|
$result = $this->queryOne($query, 'integer');
|
|
$this->popExpect();
|
|
$this->popErrorHandling();
|
|
if (MDB2::isError($result)) {
|
|
if ($ondemand) {
|
|
$this->loadModule('Manager', null, true);
|
|
$result = $this->manager->createSequence($seq_name);
|
|
if (MDB2::isError($result)) {
|
|
return $this->raiseError($result, null, null,
|
|
'on demand sequence could not be created', __FUNCTION__);
|
|
} else {
|
|
return $this->nextID($seq_name, false);
|
|
}
|
|
}
|
|
}
|
|
return $result;
|
|
}
|
|
|
|
// }}}
|
|
// {{{ lastInsertID()
|
|
|
|
/**
|
|
* Returns the autoincrement ID if supported or $id or fetches the current
|
|
* ID in a sequence called: $table.(empty($field) ? '' : '_'.$field)
|
|
*
|
|
* @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, $field = null)
|
|
{
|
|
//$seq = $table.(empty($field) ? '' : '_'.$field);
|
|
return $this->currID($table);
|
|
}
|
|
|
|
// }}}
|
|
// {{{ currID()
|
|
|
|
/**
|
|
* Returns the current id of a sequence
|
|
*
|
|
* @param string $seq_name name of the sequence
|
|
* @return mixed MDB2 Error Object or id
|
|
* @access public
|
|
*/
|
|
function currID($seq_name)
|
|
{
|
|
$sequence_name = $this->getSequenceName($seq_name);
|
|
$query = 'SELECT GEN_ID('.$sequence_name.', 0) as the_value FROM RDB$DATABASE';
|
|
$value = $this->queryOne($query);
|
|
if (MDB2::isError($value)) {
|
|
return $this->raiseError($value, null, null,
|
|
'Unable to select from ' . $seq_name, __FUNCTION__);
|
|
}
|
|
if (!is_numeric($value)) {
|
|
return $this->raiseError(MDB2_ERROR, null, null,
|
|
'could not find value in sequence table', __FUNCTION__);
|
|
}
|
|
return $value;
|
|
}
|
|
|
|
// }}}
|
|
}
|
|
|
|
/**
|
|
* MDB2 FireBird/InterBase result driver
|
|
*
|
|
* @package MDB2
|
|
* @category Database
|
|
* @author Lorenzo Alberton <l.alberton@quipo.it>
|
|
*/
|
|
class MDB2_Result_ibase extends MDB2_Result_Common
|
|
{
|
|
// {{{ _skipLimitOffset()
|
|
|
|
/**
|
|
* Skip the first row of a result set.
|
|
*
|
|
* @param resource $result
|
|
* @return mixed a result handle or MDB2_OK on success, a MDB2 error on failure
|
|
* @access protected
|
|
*/
|
|
function _skipLimitOffset()
|
|
{
|
|
if ($this->db->supports('limit_queries') === true) {
|
|
return true;
|
|
}
|
|
if ($this->limit) {
|
|
if ($this->rownum > $this->limit) {
|
|
return false;
|
|
}
|
|
}
|
|
if ($this->offset) {
|
|
while ($this->offset_count < $this->offset) {
|
|
++$this->offset_count;
|
|
if (!is_array(@ibase_fetch_row($this->result))) {
|
|
$this->offset_count = $this->offset;
|
|
return false;
|
|
}
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
// }}}
|
|
// {{{ fetchRow()
|
|
|
|
/**
|
|
* Fetch a row and insert the data into an existing array.
|
|
*
|
|
* @param int $fetchmode how the array data should be indexed
|
|
* @param int $rownum number of the row where the data can be found
|
|
* @return int data array on success, a MDB2 error on failure
|
|
* @access public
|
|
*/
|
|
function fetchRow($fetchmode = MDB2_FETCHMODE_DEFAULT, $rownum = null)
|
|
{
|
|
if (true === $this->result) {
|
|
//query successfully executed, but without results...
|
|
return null;
|
|
}
|
|
if (!$this->_skipLimitOffset()) {
|
|
return null;
|
|
}
|
|
if (null !== $rownum) {
|
|
$seek = $this->seek($rownum);
|
|
if (MDB2::isError($seek)) {
|
|
return $seek;
|
|
}
|
|
}
|
|
if ($fetchmode == MDB2_FETCHMODE_DEFAULT) {
|
|
$fetchmode = $this->db->fetchmode;
|
|
}
|
|
if ( $fetchmode == MDB2_FETCHMODE_ASSOC
|
|
|| $fetchmode == MDB2_FETCHMODE_OBJECT
|
|
) {
|
|
$row = @ibase_fetch_assoc($this->result);
|
|
if (is_array($row)
|
|
&& $this->db->options['portability'] & MDB2_PORTABILITY_FIX_CASE
|
|
) {
|
|
$row = array_change_key_case($row, $this->db->options['field_case']);
|
|
}
|
|
} else {
|
|
$row = @ibase_fetch_row($this->result);
|
|
}
|
|
if (!$row) {
|
|
if (false === $this->result) {
|
|
$err = $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,
|
|
'resultset has already been freed', __FUNCTION__);
|
|
return $err;
|
|
}
|
|
return 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 ( ( $fetchmode != MDB2_FETCHMODE_ASSOC
|
|
&& $fetchmode != MDB2_FETCHMODE_OBJECT)
|
|
&& !empty($this->types)
|
|
) {
|
|
$row = $this->db->datatype->convertResultRow($this->types, $row, $rtrim);
|
|
} elseif (($fetchmode == MDB2_FETCHMODE_ASSOC
|
|
|| $fetchmode == MDB2_FETCHMODE_OBJECT)
|
|
&& !empty($this->types_assoc)
|
|
) {
|
|
$row = $this->db->datatype->convertResultRow($this->types_assoc, $row, $rtrim);
|
|
}
|
|
if (!empty($this->values)) {
|
|
$this->_assignBindColumns($row);
|
|
}
|
|
if ($fetchmode === MDB2_FETCHMODE_OBJECT) {
|
|
$object_class = $this->db->options['fetch_class'];
|
|
if ($object_class == 'stdClass') {
|
|
$row = (object) $row;
|
|
} else {
|
|
$rowObj = new $object_class($row);
|
|
$row = $rowObj;
|
|
}
|
|
}
|
|
++$this->rownum;
|
|
return $row;
|
|
}
|
|
|
|
// }}}
|
|
// {{{ _getColumnNames()
|
|
|
|
/**
|
|
* Retrieve the names of columns returned by the DBMS in a query result.
|
|
*
|
|
* @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()
|
|
{
|
|
$columns = array();
|
|
$numcols = $this->numCols();
|
|
if (MDB2::isError($numcols)) {
|
|
return $numcols;
|
|
}
|
|
for ($column = 0; $column < $numcols; $column++) {
|
|
$column_info = @ibase_field_info($this->result, $column);
|
|
$columns[$column_info['alias']] = $column;
|
|
}
|
|
if ($this->db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
|
|
$columns = array_change_key_case($columns, $this->db->options['field_case']);
|
|
}
|
|
return $columns;
|
|
}
|
|
|
|
// }}}
|
|
// {{{ numCols()
|
|
|
|
/**
|
|
* Count the number of columns returned by the DBMS in a query result.
|
|
*
|
|
* @return mixed integer value with the number of columns, a MDB2 error
|
|
* on failure
|
|
* @access public
|
|
*/
|
|
function numCols()
|
|
{
|
|
if (true === $this->result) {
|
|
//query successfully executed, but without results...
|
|
return 0;
|
|
}
|
|
|
|
if (!is_resource($this->result)) {
|
|
return $this->db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
|
|
'numCols(): not a valid ibase resource', __FUNCTION__);
|
|
}
|
|
$cols = @ibase_num_fields($this->result);
|
|
if (null === $cols) {
|
|
if (false === $this->result) {
|
|
return $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,
|
|
'resultset has already been freed', __FUNCTION__);
|
|
} elseif (null === $this->result) {
|
|
return count($this->types);
|
|
}
|
|
return $this->db->raiseError(null, null, null,
|
|
'Could not get column count', __FUNCTION__);
|
|
}
|
|
return $cols;
|
|
}
|
|
|
|
// }}}
|
|
// {{{ free()
|
|
|
|
/**
|
|
* Free the internal resources associated with $result.
|
|
*
|
|
* @return boolean true on success, false if $result is invalid
|
|
* @access public
|
|
*/
|
|
function free()
|
|
{
|
|
if (is_resource($this->result) && $this->db->connection) {
|
|
$free = @ibase_free_result($this->result);
|
|
if (false === $free) {
|
|
return $this->db->raiseError(null, null, null,
|
|
'Could not free result', __FUNCTION__);
|
|
}
|
|
}
|
|
$this->result = false;
|
|
return MDB2_OK;
|
|
}
|
|
|
|
// }}}
|
|
}
|
|
|
|
/**
|
|
* MDB2 FireBird/InterBase buffered result driver
|
|
*
|
|
* @package MDB2
|
|
* @category Database
|
|
* @author Lorenzo Alberton <l.alberton@quipo.it>
|
|
*/
|
|
class MDB2_BufferedResult_ibase extends MDB2_Result_ibase
|
|
{
|
|
// {{{ class vars
|
|
|
|
var $buffer;
|
|
var $buffer_rownum = - 1;
|
|
|
|
// }}}
|
|
// {{{ _fillBuffer()
|
|
|
|
/**
|
|
* Fill the row buffer
|
|
*
|
|
* @param int $rownum row number upto which the buffer should be filled
|
|
* if the row number is null all rows are ready into the buffer
|
|
* @return boolean true on success, false on failure
|
|
* @access protected
|
|
*/
|
|
function _fillBuffer($rownum = null)
|
|
{
|
|
if (isset($this->buffer) && is_array($this->buffer)) {
|
|
if (null === $rownum) {
|
|
if (!end($this->buffer)) {
|
|
return false;
|
|
}
|
|
} elseif (isset($this->buffer[$rownum])) {
|
|
return (bool) $this->buffer[$rownum];
|
|
}
|
|
}
|
|
|
|
if (!$this->_skipLimitOffset()) {
|
|
return false;
|
|
}
|
|
|
|
$buffer = true;
|
|
while (((null === $rownum) || $this->buffer_rownum < $rownum)
|
|
&& (!$this->limit || $this->buffer_rownum < $this->limit)
|
|
&& ($buffer = @ibase_fetch_row($this->result))
|
|
) {
|
|
++$this->buffer_rownum;
|
|
$this->buffer[$this->buffer_rownum] = $buffer;
|
|
}
|
|
|
|
if (!$buffer) {
|
|
++$this->buffer_rownum;
|
|
$this->buffer[$this->buffer_rownum] = false;
|
|
return false;
|
|
} elseif ($this->limit && $this->buffer_rownum >= $this->limit) {
|
|
++$this->buffer_rownum;
|
|
$this->buffer[$this->buffer_rownum] = false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
// }}}
|
|
// {{{ fetchRow()
|
|
|
|
/**
|
|
* Fetch a row and insert the data into an existing array.
|
|
*
|
|
* @param int $fetchmode how the array data should be indexed
|
|
* @param int $rownum number of the row where the data can be found
|
|
* @return int data array on success, a MDB2 error on failure
|
|
* @access public
|
|
*/
|
|
function fetchRow($fetchmode = MDB2_FETCHMODE_DEFAULT, $rownum = null)
|
|
{
|
|
if (true === $this->result || (null === $this->result)) {
|
|
//query successfully executed, but without results...
|
|
return null;
|
|
}
|
|
if (false === $this->result) {
|
|
$err = $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,
|
|
'resultset has already been freed', __FUNCTION__);
|
|
return $err;
|
|
}
|
|
if (null !== $rownum) {
|
|
$seek = $this->seek($rownum);
|
|
if (MDB2::isError($seek)) {
|
|
return $seek;
|
|
}
|
|
}
|
|
$target_rownum = $this->rownum + 1;
|
|
if ($fetchmode == MDB2_FETCHMODE_DEFAULT) {
|
|
$fetchmode = $this->db->fetchmode;
|
|
}
|
|
if (!$this->_fillBuffer($target_rownum)) {
|
|
return null;
|
|
}
|
|
$row = $this->buffer[$target_rownum];
|
|
if ( $fetchmode == MDB2_FETCHMODE_ASSOC
|
|
|| $fetchmode == MDB2_FETCHMODE_OBJECT
|
|
) {
|
|
$column_names = $this->getColumnNames();
|
|
foreach ($column_names as $name => $i) {
|
|
$column_names[$name] = $row[$i];
|
|
}
|
|
$row = $column_names;
|
|
}
|
|
$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 ( ( $fetchmode != MDB2_FETCHMODE_ASSOC
|
|
&& $fetchmode != MDB2_FETCHMODE_OBJECT)
|
|
&& !empty($this->types)
|
|
) {
|
|
$row = $this->db->datatype->convertResultRow($this->types, $row, $rtrim);
|
|
} elseif (($fetchmode == MDB2_FETCHMODE_ASSOC
|
|
|| $fetchmode == MDB2_FETCHMODE_OBJECT)
|
|
&& !empty($this->types_assoc)
|
|
) {
|
|
$row = $this->db->datatype->convertResultRow($this->types_assoc, $row, $rtrim);
|
|
}
|
|
if (!empty($this->values)) {
|
|
$this->_assignBindColumns($row);
|
|
}
|
|
if ($fetchmode === MDB2_FETCHMODE_OBJECT) {
|
|
$object_class = $this->db->options['fetch_class'];
|
|
if ($object_class == 'stdClass') {
|
|
$row = (object) $row;
|
|
} else {
|
|
$rowObj = new $object_class($row);
|
|
$row = $rowObj;
|
|
}
|
|
}
|
|
++$this->rownum;
|
|
return $row;
|
|
}
|
|
|
|
// }}}
|
|
// {{{ seek()
|
|
|
|
/**
|
|
* Seek to a specific row in a result set
|
|
*
|
|
* @param int $rownum number of the row where the data can be found
|
|
* @return mixed MDB2_OK on success, a MDB2 error on failure
|
|
* @access public
|
|
*/
|
|
function seek($rownum = 0)
|
|
{
|
|
if (false === $this->result) {
|
|
return $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,
|
|
'resultset has already been freed', __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
|
|
*/
|
|
function valid()
|
|
{
|
|
if (false === $this->result) {
|
|
return $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,
|
|
'resultset has already been freed', __FUNCTION__);
|
|
}
|
|
if (null === $this->result) {
|
|
return true;
|
|
}
|
|
if ($this->_fillBuffer($this->rownum + 1)) {
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
// }}}
|
|
// {{{ numRows()
|
|
|
|
/**
|
|
* Returns the number of rows in a result object
|
|
*
|
|
* @return mixed MDB2 Error Object or the number of rows
|
|
* @access public
|
|
*/
|
|
function numRows()
|
|
{
|
|
if (false === $this->result) {
|
|
return $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,
|
|
'resultset has already been freed', __FUNCTION__);
|
|
}
|
|
if (null === $this->result) {
|
|
return 0;
|
|
}
|
|
$this->_fillBuffer();
|
|
return $this->buffer_rownum;
|
|
}
|
|
|
|
// }}}
|
|
// {{{ free()
|
|
|
|
/**
|
|
* Free the internal resources associated with $result.
|
|
*
|
|
* @return boolean true on success, false if $result is invalid
|
|
* @access public
|
|
*/
|
|
function free()
|
|
{
|
|
$this->buffer = null;
|
|
$this->buffer_rownum = null;
|
|
return parent::free();
|
|
}
|
|
|
|
// }}}
|
|
}
|
|
|
|
/**
|
|
* MDB2 FireBird/InterBase statement driver
|
|
*
|
|
* @package MDB2
|
|
* @category Database
|
|
* @author Lorenzo Alberton <l.alberton@quipo.it>
|
|
*/
|
|
class MDB2_Statement_ibase 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 $result_wrap_class string which specifies which class to wrap results in
|
|
*
|
|
* @return mixed MDB2_Result or integer (affected rows) on success,
|
|
* a MDB2 error on failure
|
|
* @access private
|
|
*/
|
|
function _execute($result_class = true, $result_wrap_class = true)
|
|
{
|
|
if (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 = $this->db->getConnection();
|
|
if (MDB2::isError($connection)) {
|
|
return $connection;
|
|
}
|
|
|
|
$parameters = array(0 => $this->statement);
|
|
foreach ($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];
|
|
$type = !empty($this->types[$parameter]) ? $this->types[$parameter] : null;
|
|
$quoted = $this->db->quote($value, $type, false);
|
|
if (MDB2::isError($quoted)) {
|
|
return $quoted;
|
|
}
|
|
$parameters[] = $quoted;
|
|
}
|
|
|
|
$result = @call_user_func_array('ibase_execute', $parameters);
|
|
if (false === $result) {
|
|
$err = $this->db->raiseError(null, null, null,
|
|
'Could not execute statement', __FUNCTION__);
|
|
return $err;
|
|
}
|
|
|
|
if ($this->is_manip) {
|
|
$affected_rows = $this->db->_affectedRows($connection);
|
|
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 (null === $this->positions) {
|
|
return $this->db->raiseError(MDB2_ERROR, null, null,
|
|
'Prepared statement has already been freed', __FUNCTION__);
|
|
}
|
|
$result = MDB2_OK;
|
|
|
|
if ((null !== $this->statement) && !@ibase_free_query($this->statement)) {
|
|
$result = $this->db->raiseError(null, null, null,
|
|
'Could not free statement', __FUNCTION__);
|
|
}
|
|
|
|
parent::free();
|
|
return $result;
|
|
}
|
|
}
|
|
?>
|