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1106 lines
38 KiB
PHTML
1106 lines
38 KiB
PHTML
19 years ago
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<?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) 1998-2004 Manuel Lemos, Tomas V.V.Cox, |
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// | Stig. S. Bakken, Lukas Smith |
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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: Lukas Smith <smith@pooteeweet.org> |
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// +----------------------------------------------------------------------+
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//
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// $Id$
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//
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/**
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* MDB2 MySQL driver
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*
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* @package MDB2
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* @category Database
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* @author Lukas Smith <smith@pooteeweet.org>
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*/
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class MDB2_Driver_mysqli extends MDB2_Driver_Common
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{
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// {{{ properties
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var $escape_quotes = "\\";
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// }}}
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// {{{ constructor
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/**
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* Constructor
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*/
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function __construct()
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{
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parent::__construct();
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$this->phptype = 'mysqli';
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$this->dbsyntax = 'mysqli';
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$this->supported['sequences'] = 'emulated';
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$this->supported['indexes'] = true;
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$this->supported['affected_rows'] = true;
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$this->supported['transactions'] = false;
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$this->supported['summary_functions'] = true;
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$this->supported['order_by_text'] = true;
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$this->supported['current_id'] = 'emulated';
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$this->supported['limit_queries'] = true;
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$this->supported['LOBs'] = true;
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$this->supported['replace'] = true;
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$this->supported['sub_selects'] = false;
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$this->supported['auto_increment'] = true;
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$this->supported['primary_key'] = true;
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$this->options['default_table_type'] = null;
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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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if ($this->connection) {
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$native_code = @mysqli_errno($this->connection);
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$native_msg = @mysqli_error($this->connection);
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} else {
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$native_code = @mysqli_errno();
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$native_msg = @mysqli_error();
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}
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if (is_null($error)) {
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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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1004 => MDB2_ERROR_CANNOT_CREATE,
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1005 => MDB2_ERROR_CANNOT_CREATE,
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1006 => MDB2_ERROR_CANNOT_CREATE,
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1007 => MDB2_ERROR_ALREADY_EXISTS,
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1008 => MDB2_ERROR_CANNOT_DROP,
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1022 => MDB2_ERROR_ALREADY_EXISTS,
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1044 => MDB2_ERROR_ACCESS_VIOLATION,
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1046 => MDB2_ERROR_NODBSELECTED,
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1048 => MDB2_ERROR_CONSTRAINT,
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1049 => MDB2_ERROR_NOSUCHDB,
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1050 => MDB2_ERROR_ALREADY_EXISTS,
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1051 => MDB2_ERROR_NOSUCHTABLE,
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1054 => MDB2_ERROR_NOSUCHFIELD,
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1061 => MDB2_ERROR_ALREADY_EXISTS,
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1062 => MDB2_ERROR_ALREADY_EXISTS,
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1064 => MDB2_ERROR_SYNTAX,
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1091 => MDB2_ERROR_NOT_FOUND,
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1100 => MDB2_ERROR_NOT_LOCKED,
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1136 => MDB2_ERROR_VALUE_COUNT_ON_ROW,
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1142 => MDB2_ERROR_ACCESS_VIOLATION,
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1146 => MDB2_ERROR_NOSUCHTABLE,
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1216 => MDB2_ERROR_CONSTRAINT,
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1217 => MDB2_ERROR_CONSTRAINT,
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);
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}
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if ($this->options['portability'] & MDB2_PORTABILITY_ERRORS) {
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$ecode_map[1022] = MDB2_ERROR_CONSTRAINT;
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$ecode_map[1048] = MDB2_ERROR_CONSTRAINT_NOT_NULL;
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$ecode_map[1062] = MDB2_ERROR_CONSTRAINT;
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} else {
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// Doing this in case mode changes during runtime.
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$ecode_map[1022] = MDB2_ERROR_ALREADY_EXISTS;
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$ecode_map[1048] = MDB2_ERROR_CONSTRAINT;
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$ecode_map[1062] = MDB2_ERROR_ALREADY_EXISTS;
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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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}
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return array($error, $native_code, $native_msg);
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}
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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 $text the input string to quote
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* @return string quoted string
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* @access public
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*/
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function escape($text)
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{
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return @mysqli_escape_string($this->connection, $text);
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}
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// }}}
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// {{{ quoteIdentifier()
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/**
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* Quote a string so it can be safely used as a table or column name
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*
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* Quoting style depends on which database driver is being used.
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*
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* MySQL can't handle the backtick character (<kbd>`</kbd>) in
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* table or column names.
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*
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* @param string $str identifier name to be quoted
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*
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* @return string quoted identifier string
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*
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* @access public
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* @internal
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*/
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function quoteIdentifier($str)
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{
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return '`' . $str . '`';
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}
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// }}}
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// {{{ beginTransaction()
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/**
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* Start a transaction.
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*
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* @return mixed MDB2_OK on success, a MDB2 error on failure
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* @access public
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*/
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function beginTransaction()
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{
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$this->debug('starting transaction', 'beginTransaction');
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if (!$this->supports('transactions')) {
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return $this->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
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'beginTransaction: transactions are not in use');
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}
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if ($this->in_transaction) {
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return MDB2_OK; //nothing to do
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}
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$result = $this->_doQuery('SET AUTOCOMMIT = 0', true);
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if (PEAR::isError($result)) {
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return $result;
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}
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$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.
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*
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* @return mixed MDB2_OK on success, a MDB2 error on failure
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* @access public
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*/
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function commit()
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{
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$this->debug('commit transaction', 'commit');
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if (!$this->supports('transactions')) {
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return $this->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
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'commit: transactions are not in use');
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}
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if (!$this->in_transaction) {
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return $this->raiseError(MDB2_ERROR, null, null,
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'commit: transaction changes are being auto committed');
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}
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$result = $this->_doQuery('COMMIT', true);
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if (PEAR::isError($result)) {
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return $result;
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}
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$result = $this->_doQuery('SET AUTOCOMMIT = 1', true);
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if (PEAR::isError($result)) {
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return $result;
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}
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$this->in_transaction = false;
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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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/**
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* Cancel any database changes done during a transaction that is in
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* progress.
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*
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* @return mixed MDB2_OK on success, a MDB2 error on failure
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* @access public
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*/
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function rollback()
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{
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$this->debug('rolling back transaction', 'rollback');
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if (!$this->supports('transactions')) {
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return $this->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
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'rollback: transactions are not in use');
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}
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if (!$this->in_transaction) {
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return $this->raiseError(MDB2_ERROR, null, null,
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'rollback: transactions can not be rolled back when changes are auto committed');
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}
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$result = $this->_doQuery('ROLLBACK', true);
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if (PEAR::isError($result)) {
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return $result;
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}
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$result = $this->_doQuery('SET AUTOCOMMIT = 1', true);
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if (PEAR::isError($result)) {
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return $result;
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||
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}
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$this->in_transaction = false;
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return MDB2_OK;
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||
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||
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}
|
||
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|
||
|
|
// }}}
|
||
|
|
// {{{ connect()
|
||
|
|
|
||
|
|
/**
|
||
|
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* Connect to the database
|
||
|
|
*
|
||
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* @return true on success, MDB2 Error Object on failure
|
||
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*/
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function connect()
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{
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if (is_object($this->connection)) {
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if (count(array_diff($this->connected_dsn, $this->dsn)) == 0) {
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return MDB2_OK;
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||
|
|
}
|
||
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$this->connection = 0;
|
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}
|
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|
|
|
||
|
|
if (!PEAR::loadExtension($this->phptype)) {
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||
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return $this->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
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||
|
|
'connect: extension '.$this->phptype.' is not compiled into PHP');
|
||
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}
|
||
|
|
|
||
|
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@ini_set('track_errors', true);
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||
|
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$php_errormsg = '';
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|
|
|
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|
|
if ($this->options['ssl'] === true) {
|
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|
|
$init = @mysqli_init();
|
||
|
|
@mysqli_ssl_set(
|
||
|
|
$init,
|
||
|
|
empty($this->dsn['key']) ? null : $this->dsn['key'],
|
||
|
|
empty($this->dsn['cert']) ? null : $this->dsn['cert'],
|
||
|
|
empty($this->dsn['ca']) ? null : $this->dsn['ca'],
|
||
|
|
empty($this->dsn['capath']) ? null : $this->dsn['capath'],
|
||
|
|
empty($this->dsn['cipher']) ? null : $this->dsn['cipher']
|
||
|
|
);
|
||
|
|
if ($connection = @mysqli_real_connect(
|
||
|
|
$init,
|
||
|
|
$this->dsn['hostspec'],
|
||
|
|
$this->dsn['username'],
|
||
|
|
$this->dsn['password'],
|
||
|
|
$this->database_name,
|
||
|
|
$this->dsn['port'],
|
||
|
|
$this->dsn['socket']))
|
||
|
|
{
|
||
|
|
$connection = $init;
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
$connection = @mysqli_connect(
|
||
|
|
$this->dsn['hostspec'],
|
||
|
|
$this->dsn['username'],
|
||
|
|
$this->dsn['password'],
|
||
|
|
$this->database_name,
|
||
|
|
$this->dsn['port'],
|
||
|
|
$this->dsn['socket']
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
@ini_restore('track_errors');
|
||
|
|
|
||
|
|
if (!$connection) {
|
||
|
|
if (($err = @mysqli_connect_error()) != '') {
|
||
|
|
return $this->raiseError(MDB2_ERROR_CONNECT_FAILED, null, null, $err);
|
||
|
|
} else {
|
||
|
|
return $this->raiseError(MDB2_ERROR_CONNECT_FAILED, null, null, $php_errormsg);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
$this->connection = $connection;
|
||
|
|
$this->connected_dsn = $this->dsn;
|
||
|
|
$this->connected_database_name = $this->database_name;
|
||
|
|
$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->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';
|
||
|
|
$this->supported['transactions'] = true;
|
||
|
|
}
|
||
|
|
|
||
|
|
return MDB2_OK;
|
||
|
|
}
|
||
|
|
|
||
|
|
// }}}
|
||
|
|
// {{{ disconnect()
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Log out and disconnect from the database.
|
||
|
|
*
|
||
|
|
* @return mixed true on success, false if not connected and error
|
||
|
|
* object on error
|
||
|
|
* @access public
|
||
|
|
*/
|
||
|
|
function disconnect($force = true)
|
||
|
|
{
|
||
|
|
if (is_object($this->connection)) {
|
||
|
|
if ($force) {
|
||
|
|
@mysqli_close($this->connection);
|
||
|
|
}
|
||
|
|
$this->connection = 0;
|
||
|
|
}
|
||
|
|
return MDB2_OK;
|
||
|
|
}
|
||
|
|
|
||
|
|
// }}}
|
||
|
|
// {{{ _doQuery()
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Execute a query
|
||
|
|
* @param string $query query
|
||
|
|
* @param boolean $isManip 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)
|
||
|
|
{
|
||
|
|
$this->last_query = $query;
|
||
|
|
$this->debug($query, 'query');
|
||
|
|
if ($this->options['disable_query']) {
|
||
|
|
if ($isManip) {
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
return null;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (is_null($connection)) {
|
||
|
|
$err = $this->connect();
|
||
|
|
if (PEAR::isError($err)) {
|
||
|
|
return $err;
|
||
|
|
}
|
||
|
|
$connection = $this->connection;
|
||
|
|
}
|
||
|
|
if (is_null($database_name)) {
|
||
|
|
$database_name = $this->database_name;
|
||
|
|
}
|
||
|
|
|
||
|
|
if ($database_name) {
|
||
|
|
if ($database_name != $this->connected_database_name) {
|
||
|
|
if (!@mysqli_select_db($connection, $database_name)) {
|
||
|
|
return $this->raiseError();
|
||
|
|
}
|
||
|
|
$this->connected_database_name = $database_name;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
$function = $this->options['result_buffering']
|
||
|
|
? 'mysqli_query' : 'mysqli_unbuffered_query';
|
||
|
|
$result = @$function($connection, $query);
|
||
|
|
if (!$result) {
|
||
|
|
return $this->raiseError();
|
||
|
|
}
|
||
|
|
|
||
|
|
if ($isManip) {
|
||
|
|
return @mysqli_affected_rows($connection);
|
||
|
|
}
|
||
|
|
return $result;
|
||
|
|
}
|
||
|
|
|
||
|
|
// }}}
|
||
|
|
// {{{ _modifyQuery()
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Changes a query string for various DBMS specific reasons
|
||
|
|
*
|
||
|
|
* @param string $query query to modify
|
||
|
|
* @return the new (modified) query
|
||
|
|
* @access protected
|
||
|
|
*/
|
||
|
|
function _modifyQuery($query, $isManip, $limit, $offset)
|
||
|
|
{
|
||
|
|
if ($limit > 0
|
||
|
|
&& !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";
|
||
|
|
} else {
|
||
|
|
return $query . " LIMIT $offset, $limit";
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return $query;
|
||
|
|
}
|
||
|
|
|
||
|
|
// }}}
|
||
|
|
// {{{ 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 :[a-zA-Z] and are placeholders which can be set using
|
||
|
|
* bindParam() and the query can be send off using the execute() method.
|
||
|
|
*
|
||
|
|
* @param string $query the query to prepare
|
||
|
|
* @param mixed $types array that contains the types of the placeholders
|
||
|
|
* @param mixed $result_types array that contains the types of the columns in
|
||
|
|
* the result set
|
||
|
|
* @return mixed resource handle for the prepared query on success, a MDB2
|
||
|
|
* error on failure
|
||
|
|
* @access public
|
||
|
|
* @see bindParam, execute
|
||
|
|
*/
|
||
|
|
function &prepare($query, $types = null, $result_types = null)
|
||
|
|
{
|
||
|
|
$isManip = MDB2::isManip($query);
|
||
|
|
$query = $this->_modifyQuery($query, $isManip, $this->row_limit, $this->row_offset);
|
||
|
|
$this->debug($query, 'prepare');
|
||
|
|
$placeholder_type_guess = $placeholder_type = null;
|
||
|
|
$question = '?';
|
||
|
|
$colon = ':';
|
||
|
|
$position = 0;
|
||
|
|
while ($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];
|
||
|
|
}
|
||
|
|
if (is_int($quote = strpos($query, "'", $position)) && $quote < $p_position) {
|
||
|
|
if (!is_int($end_quote = strpos($query, "'", $quote + 1))) {
|
||
|
|
$err =& $this->raiseError(MDB2_ERROR_SYNTAX, null, null,
|
||
|
|
'prepare: query with an unterminated text string specified');
|
||
|
|
return $err;
|
||
|
|
}
|
||
|
|
switch ($this->escape_quotes) {
|
||
|
|
case '':
|
||
|
|
case "'":
|
||
|
|
$position = $end_quote + 1;
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
if ($end_quote == $quote + 1) {
|
||
|
|
$position = $end_quote + 1;
|
||
|
|
} else {
|
||
|
|
if ($query[$end_quote-1] == $this->escape_quotes) {
|
||
|
|
$position = $end_quote;
|
||
|
|
} else {
|
||
|
|
$position = $end_quote + 1;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
} elseif ($query[$position] == $placeholder_type_guess) {
|
||
|
|
if ($placeholder_type_guess == '?') {
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
if (is_null($placeholder_type)) {
|
||
|
|
$placeholder_type = $query[$p_position];
|
||
|
|
$question = $colon = $placeholder_type;
|
||
|
|
}
|
||
|
|
$name = preg_replace('/^.{'.($position+1).'}([a-z0-9_]+).*$/si', '\\1', $query);
|
||
|
|
if ($name === '') {
|
||
|
|
$err =& $this->raiseError(MDB2_ERROR_SYNTAX, null, null,
|
||
|
|
'prepare: named parameter with an empty name');
|
||
|
|
return $err;
|
||
|
|
}
|
||
|
|
$query = substr_replace($query, '?', $position, strlen($name)+1);
|
||
|
|
$position = $p_position + 1;
|
||
|
|
} else {
|
||
|
|
$position = $p_position;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
$statement = @mysqli_prepare($this->connection, $query);
|
||
|
|
$class_name = 'MDB2_Statement_'.$this->phptype;
|
||
|
|
$obj =& new $class_name($this, $statement, $query, $types, $result_types);
|
||
|
|
return $obj;
|
||
|
|
}
|
||
|
|
|
||
|
|
// }}}
|
||
|
|
// {{{ replace()
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Execute a SQL REPLACE query. A REPLACE query is identical to a INSERT
|
||
|
|
* query, except that if there is already a row in the table with the same
|
||
|
|
* key field values, the REPLACE query just updates its values instead of
|
||
|
|
* inserting a new row.
|
||
|
|
*
|
||
|
|
* The REPLACE type of query does not make part of the SQL standards. Since
|
||
|
|
* practically only MySQL implements it natively, this type of query is
|
||
|
|
* emulated through this method for other DBMS using standard types of
|
||
|
|
* queries inside a transaction to assure the atomicity of the operation.
|
||
|
|
*
|
||
|
|
* @access public
|
||
|
|
*
|
||
|
|
* @param string $table name of the table on which the REPLACE query will
|
||
|
|
* be executed.
|
||
|
|
* @param array $fields associative array that describes the fields and the
|
||
|
|
* values that will be inserted or updated in the specified table. The
|
||
|
|
* indexes of the array are the names of all the fields of the table. The
|
||
|
|
* values of the array are also associative arrays that describe the
|
||
|
|
* values and other properties of the table fields.
|
||
|
|
*
|
||
|
|
* Here follows a list of field properties that need to be specified:
|
||
|
|
*
|
||
|
|
* value:
|
||
|
|
* Value to be assigned to the specified field. This value may be
|
||
|
|
* of specified in database independent type format as this
|
||
|
|
* function can perform the necessary datatype conversions.
|
||
|
|
*
|
||
|
|
* Default:
|
||
|
|
* this property is required unless the Null property
|
||
|
|
* is set to 1.
|
||
|
|
*
|
||
|
|
* type
|
||
|
|
* Name of the type of the field. Currently, all types Metabase
|
||
|
|
* are supported except for clob and blob.
|
||
|
|
*
|
||
|
|
* Default: no type conversion
|
||
|
|
*
|
||
|
|
* null
|
||
|
|
* Boolean property that indicates that the value for this field
|
||
|
|
* should be set to null.
|
||
|
|
*
|
||
|
|
* The default value for fields missing in INSERT queries may be
|
||
|
|
* specified the definition of a table. Often, the default value
|
||
|
|
* is already null, but since the REPLACE may be emulated using
|
||
|
|
* an UPDATE query, make sure that all fields of the table are
|
||
|
|
* listed in this function argument array.
|
||
|
|
*
|
||
|
|
* Default: 0
|
||
|
|
*
|
||
|
|
* key
|
||
|
|
* Boolean property that indicates that this field should be
|
||
|
|
* handled as a primary key or at least as part of the compound
|
||
|
|
* unique index of the table that will determine the row that will
|
||
|
|
* updated if it exists or inserted a new row otherwise.
|
||
|
|
*
|
||
|
|
* This function will fail if no key field is specified or if the
|
||
|
|
* value of a key field is set to null because fields that are
|
||
|
|
* part of unique index they may not be null.
|
||
|
|
*
|
||
|
|
* Default: 0
|
||
|
|
*
|
||
|
|
* @return mixed MDB2_OK on success, a MDB2 error on failure
|
||
|
|
*/
|
||
|
|
function replace($table, $fields)
|
||
|
|
{
|
||
|
|
$count = count($fields);
|
||
|
|
$query = $values = '';
|
||
|
|
$keys = $colnum = 0;
|
||
|
|
for (reset($fields); $colnum < $count; next($fields), $colnum++) {
|
||
|
|
$name = key($fields);
|
||
|
|
if ($colnum > 0) {
|
||
|
|
$query .= ',';
|
||
|
|
$values.= ',';
|
||
|
|
}
|
||
|
|
$query.= $name;
|
||
|
|
if (isset($fields[$name]['null']) && $fields[$name]['null']) {
|
||
|
|
$value = 'NULL';
|
||
|
|
} else {
|
||
|
|
$value = $this->quote($fields[$name]['value'], $fields[$name]['type']);
|
||
|
|
}
|
||
|
|
$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');
|
||
|
|
}
|
||
|
|
$keys++;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if ($keys == 0) {
|
||
|
|
return $this->raiseError(MDB2_ERROR_CANNOT_REPLACE, null, null,
|
||
|
|
'replace: not specified which fields are keys');
|
||
|
|
}
|
||
|
|
$query = "REPLACE INTO $table ($query) VALUES ($values)";
|
||
|
|
$this->last_query = $query;
|
||
|
|
$this->debug($query, 'query');
|
||
|
|
return $this->_doQuery($query, true);
|
||
|
|
}
|
||
|
|
|
||
|
|
// }}}
|
||
|
|
// {{{ nextID()
|
||
|
|
|
||
|
|
/**
|
||
|
|
* returns the next free id of a sequence
|
||
|
|
*
|
||
|
|
* @param string $seq_name name of the sequence
|
||
|
|
* @param boolean $ondemand when true the seqence is
|
||
|
|
* automatic created, if it
|
||
|
|
* not exists
|
||
|
|
*
|
||
|
|
* @return mixed MDB2 Error Object or id
|
||
|
|
* @access public
|
||
|
|
*/
|
||
|
|
function nextID($seq_name, $ondemand = true)
|
||
|
|
{
|
||
|
|
$sequence_name = $this->getSequenceName($seq_name);
|
||
|
|
$query = "INSERT INTO $sequence_name (".$this->options['seqcol_name'].") VALUES (NULL)";
|
||
|
|
$this->expectError(MDB2_ERROR_NOSUCHTABLE);
|
||
|
|
$result = $this->_doQuery($query, true);
|
||
|
|
$this->popExpect();
|
||
|
|
if (PEAR::isError($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);
|
||
|
|
if (PEAR::isError($result)) {
|
||
|
|
return $this->raiseError(MDB2_ERROR, null, null,
|
||
|
|
'nextID: on demand sequence '.$seq_name.' could not be created');
|
||
|
|
} else {
|
||
|
|
// First ID of a newly created sequence is 1
|
||
|
|
return 1;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return $result;
|
||
|
|
}
|
||
|
|
$value = @mysqli_insert_id($this->connection);
|
||
|
|
if (is_numeric($value)) {
|
||
|
|
$query = "DELETE FROM $sequence_name WHERE ".$this->options['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;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return $value;
|
||
|
|
}
|
||
|
|
|
||
|
|
// }}}
|
||
|
|
// {{{ lastInsertID()
|
||
|
|
|
||
|
|
/**
|
||
|
|
* returns the autoincrement ID if supported or $id
|
||
|
|
*
|
||
|
|
* @param mixed $id value as returned by getBeforeId()
|
||
|
|
* @param string $table name of the table into which a new row was inserted
|
||
|
|
* @return mixed MDB2 Error Object or id
|
||
|
|
* @access public
|
||
|
|
*/
|
||
|
|
function lastInsertID($table = null, $field = null)
|
||
|
|
{
|
||
|
|
$value = @mysqli_insert_id($this->connection);
|
||
|
|
if (!$value) {
|
||
|
|
return $this->raiseError();
|
||
|
|
}
|
||
|
|
return $value;
|
||
|
|
}
|
||
|
|
|
||
|
|
// }}}
|
||
|
|
// {{{ 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);
|
||
|
|
$query = "SELECT MAX(".$this->options['seqcol_name'].") FROM $sequence_name";
|
||
|
|
return $this->queryOne($query, 'integer');
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
class MDB2_Result_mysqli extends MDB2_Result_Common
|
||
|
|
{
|
||
|
|
// }}}
|
||
|
|
// {{{ 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, $rownum = null)
|
||
|
|
{
|
||
|
|
if (!is_null($rownum)) {
|
||
|
|
$seek = $this->seek($rownum);
|
||
|
|
if (PEAR::isError($seek)) {
|
||
|
|
return $seek;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if ($fetchmode == MDB2_FETCHMODE_DEFAULT) {
|
||
|
|
$fetchmode = $this->db->fetchmode;
|
||
|
|
}
|
||
|
|
if ($fetchmode & MDB2_FETCHMODE_ASSOC) {
|
||
|
|
$row = @mysqli_fetch_assoc($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 {
|
||
|
|
$row = @mysqli_fetch_row($this->result);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!$row) {
|
||
|
|
if (is_null($this->result)) {
|
||
|
|
$err =& $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,
|
||
|
|
'fetchRow: resultset has already been freed');
|
||
|
|
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);
|
||
|
|
}
|
||
|
|
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 = $this->db->options['fetch_class'];
|
||
|
|
if ($object_class == 'stdClass') {
|
||
|
|
$row = (object) $row;
|
||
|
|
} else {
|
||
|
|
$row = &new $object_class($row);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
++$this->rownum;
|
||
|
|
return $row;
|
||
|
|
}
|
||
|
|
|
||
|
|
// }}}
|
||
|
|
// {{{ _getColumnNames()
|
||
|
|
|
||
|
|
/**
|
||
|
|
* 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
|
||
|
|
* @access private
|
||
|
|
*/
|
||
|
|
function _getColumnNames()
|
||
|
|
{
|
||
|
|
$columns = array();
|
||
|
|
$numcols = $this->numCols();
|
||
|
|
if (PEAR::isError($numcols)) {
|
||
|
|
return $numcols;
|
||
|
|
}
|
||
|
|
for ($column = 0; $column < $numcols; $column++) {
|
||
|
|
$column_info = @mysqli_fetch_field_direct($this->result, $column);
|
||
|
|
$columns[$column_info->name] = $column;
|
||
|
|
}
|
||
|
|
if ($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()
|
||
|
|
{
|
||
|
|
$cols = @mysqli_num_fields($this->result);
|
||
|
|
if (is_null($cols)) {
|
||
|
|
if (is_null($this->result)) {
|
||
|
|
return $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,
|
||
|
|
'numCols: resultset has already been freed');
|
||
|
|
}
|
||
|
|
return $this->db->raiseError();
|
||
|
|
}
|
||
|
|
return $cols;
|
||
|
|
}
|
||
|
|
|
||
|
|
// }}}
|
||
|
|
// {{{ free()
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Free the internal resources associated with result.
|
||
|
|
*
|
||
|
|
* @return boolean true on success, false if result is invalid
|
||
|
|
* @access public
|
||
|
|
*/
|
||
|
|
function free()
|
||
|
|
{
|
||
|
|
@mysqli_free_result($this->result);
|
||
|
|
$this->result = null;
|
||
|
|
return MDB2_OK;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
class MDB2_BufferedResult_mysqli extends MDB2_Result_mysqli
|
||
|
|
{
|
||
|
|
// }}}
|
||
|
|
// {{{ 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 ($this->rownum != ($rownum - 1) && !@mysqli_data_seek($this->result, $rownum)) {
|
||
|
|
if (is_null($this->result)) {
|
||
|
|
return $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,
|
||
|
|
'seek: resultset has already been freed');
|
||
|
|
}
|
||
|
|
return $this->db->raiseError(MDB2_ERROR_INVALID, null, null,
|
||
|
|
'seek: tried to seek to an invalid row number ('.$rownum.')');
|
||
|
|
}
|
||
|
|
$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()
|
||
|
|
{
|
||
|
|
$numrows = $this->numRows();
|
||
|
|
if (PEAR::isError($numrows)) {
|
||
|
|
return $numrows;
|
||
|
|
}
|
||
|
|
return $this->rownum < ($numrows - 1);
|
||
|
|
}
|
||
|
|
|
||
|
|
// }}}
|
||
|
|
// {{{ numRows()
|
||
|
|
|
||
|
|
/**
|
||
|
|
* returns the number of rows in a result object
|
||
|
|
*
|
||
|
|
* @return mixed MDB2 Error Object or the number of rows
|
||
|
|
* @access public
|
||
|
|
*/
|
||
|
|
function numRows()
|
||
|
|
{
|
||
|
|
$rows = @mysqli_num_rows($this->result);
|
||
|
|
if (is_null($rows)) {
|
||
|
|
if (is_null($this->result)) {
|
||
|
|
return $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,
|
||
|
|
'numRows: resultset has already been freed');
|
||
|
|
}
|
||
|
|
return $this->raiseError();
|
||
|
|
}
|
||
|
|
return $rows;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
class MDB2_Statement_mysqli 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)
|
||
|
|
{
|
||
|
|
$isManip = MDB2::isManip($this->query);
|
||
|
|
$this->db->last_query = $this->query;
|
||
|
|
$this->db->debug($this->query, 'execute');
|
||
|
|
if ($this->db->getOption('disable_query')) {
|
||
|
|
if ($isManip) {
|
||
|
|
$return = 0;
|
||
|
|
return $return;
|
||
|
|
}
|
||
|
|
$null = null;
|
||
|
|
return $null;
|
||
|
|
}
|
||
|
|
|
||
|
|
$connected = $this->db->connect();
|
||
|
|
if (PEAR::isError($connected)) {
|
||
|
|
return $connected;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!empty($this->values)) {
|
||
|
|
$parameters = array(0 => $this->statement, 1 => '');
|
||
|
|
$i = 0;
|
||
|
|
foreach ($this->values as $parameter => $value) {
|
||
|
|
$type = array_key_exists($parameter, $this->types) ? $this->types[$parameter] : null;
|
||
|
|
$close = false;
|
||
|
|
if ($type == 'clob' || $type == 'blob') {
|
||
|
|
if (preg_match('/^(\w+:\/\/)(.*)$/', $value, $match)) {
|
||
|
|
$close = true;
|
||
|
|
if ($match[1] == 'file://') {
|
||
|
|
$value = $match[2];
|
||
|
|
}
|
||
|
|
$value = @fopen($value, 'r');
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (is_resource($value)) {
|
||
|
|
while (!@feof($value)) {
|
||
|
|
$data = @fread($value, $this->db->options['lob_buffer_length']);
|
||
|
|
@mysqli_stmt_send_long_data($this->statement, $i, $data);
|
||
|
|
}
|
||
|
|
if ($close) {
|
||
|
|
@fclose($value);
|
||
|
|
}
|
||
|
|
$parameters[] = null;
|
||
|
|
$parameters[1].= 'b';
|
||
|
|
} elseif ($type == 'clob' || $type == 'blob') {
|
||
|
|
do {
|
||
|
|
$data = substr($value, 0, $this->db->options['lob_buffer_length']);
|
||
|
|
$value = substr($value, $this->db->options['lob_buffer_length']);
|
||
|
|
@mysqli_stmt_send_long_data($this->statement, $i, $data);
|
||
|
|
} while ($value);
|
||
|
|
$parameters[] = null;
|
||
|
|
$parameters[1].= 'b';
|
||
|
|
} else {
|
||
|
|
$parameters[] = $this->db->quote($value, $type, false);
|
||
|
|
$parameters[1].= $this->db->datatype->mapPrepareDatatype($type);
|
||
|
|
}
|
||
|
|
++$i;
|
||
|
|
}
|
||
|
|
$result = @call_user_func_array('mysqli_stmt_bind_param', $parameters);
|
||
|
|
if ($result === false) {
|
||
|
|
$err =& $this->db->raiseError();
|
||
|
|
return $err;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!@mysqli_stmt_execute($this->statement)) {
|
||
|
|
$err =& $this->db->raiseError();
|
||
|
|
return $err;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!mysqli_stmt_result_metadata($this->statement)) {
|
||
|
|
$result = @mysqli_stmt_affected_rows($this->statement);
|
||
|
|
return $result;
|
||
|
|
}
|
||
|
|
|
||
|
|
if ($this->db->options['result_buffering']) {
|
||
|
|
mysqli_stmt_store_result($this->statement);
|
||
|
|
}
|
||
|
|
|
||
|
|
$result &= $this->db->_wrapResult($result, $this->types,
|
||
|
|
$result_class, $result_wrap_class);
|
||
|
|
return $result;
|
||
|
|
}
|
||
|
|
|
||
|
|
// }}}
|
||
|
|
|
||
|
|
// }}}
|
||
|
|
|
||
|
|
// }}}
|
||
|
|
// {{{ free()
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Release resources allocated for the specified prepared query.
|
||
|
|
*
|
||
|
|
* @return mixed MDB2_OK on success, a MDB2 error on failure
|
||
|
|
* @access public
|
||
|
|
*/
|
||
|
|
function free()
|
||
|
|
{
|
||
|
|
if (!@mysqli_stmt_close($this->statement)) {
|
||
|
|
return $this->db->raiseError();
|
||
|
|
}
|
||
|
|
return MDB2_OK;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
?>
|