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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 Version 4 |
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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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// | MDB 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@backendmedia.com> |
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// +----------------------------------------------------------------------+
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//
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// $Id: mysql.php,v 1.80.4.18 2004/04/22 11:31:56 lsmith Exp $
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//
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require_once('MDB/Common.php');
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/**
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* MDB MySQL driver
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*
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* Notes:
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* - The decimal type fields are emulated with integer fields.
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*
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* @package MDB
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* @category Database
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* @author Lukas Smith <smith@backendmedia.com>
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*/
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class MDB_mysql extends MDB_Common
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{
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// {{{ properties
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var $connection = 0;
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var $connected_host;
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var $connected_user;
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var $connected_password;
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var $connected_port;
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var $opened_persistent = '';
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var $escape_quotes = "\\";
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var $decimal_factor = 1.0;
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var $highest_fetched_row = array();
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var $columns = array();
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// MySQL specific class variable
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var $default_table_type = '';
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var $fixed_float = 0;
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var $dummy_primary_key = 'dummy_primary_key';
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// }}}
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// {{{ constructor
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/**
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* Constructor
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*/
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function MDB_mysql()
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{
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$this->MDB_Common();
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$this->phptype = 'mysql';
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$this->dbsyntax = 'mysql';
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$this->supported['Sequences'] = 1;
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$this->supported['Indexes'] = 1;
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$this->supported['AffectedRows'] = 1;
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$this->supported['Summaryfunctions'] = 1;
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$this->supported['OrderByText'] = 1;
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$this->supported['CurrId'] = 1;
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$this->supported['SelectRowRanges'] = 1;
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$this->supported['LOBs'] = 1;
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$this->supported['Replace'] = 1;
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$this->supported['SubSelects'] = 0;
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$this->supported['Transactions'] = 0;
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$this->decimal_factor = pow(10.0, $this->decimal_places);
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$this->options['DefaultTableType'] = FALSE;
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$this->options['fixed_float'] = FALSE;
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$this->errorcode_map = array(
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1004 => MDB_ERROR_CANNOT_CREATE,
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1005 => MDB_ERROR_CANNOT_CREATE,
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1006 => MDB_ERROR_CANNOT_CREATE,
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1007 => MDB_ERROR_ALREADY_EXISTS,
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1008 => MDB_ERROR_CANNOT_DROP,
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1022 => MDB_ERROR_ALREADY_EXISTS,
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1046 => MDB_ERROR_NODBSELECTED,
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1050 => MDB_ERROR_ALREADY_EXISTS,
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1051 => MDB_ERROR_NOSUCHTABLE,
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1054 => MDB_ERROR_NOSUCHFIELD,
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1062 => MDB_ERROR_ALREADY_EXISTS,
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1064 => MDB_ERROR_SYNTAX,
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1100 => MDB_ERROR_NOT_LOCKED,
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1136 => MDB_ERROR_VALUE_COUNT_ON_ROW,
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1146 => MDB_ERROR_NOSUCHTABLE,
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1048 => MDB_ERROR_CONSTRAINT,
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1213 => MDB_ERROR_DEADLOCK,
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1216 => MDB_ERROR_CONSTRAINT,
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);
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}
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// }}}
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// {{{ errorNative()
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/**
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* Get the native error code of the last error (if any) that
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* occured on the current connection.
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*
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* @access public
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*
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* @return int native MySQL error code
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*/
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function errorNative()
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{
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return(@mysql_errno($this->connection));
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}
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// }}}
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// {{{ mysqlRaiseError()
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/**
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* This method is used to communicate an error and invoke error
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* callbacks etc. Basically a wrapper for MDB::raiseError
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* that checks for native error msgs.
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*
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* @param integer $errno error code
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* @param string $message userinfo message
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* @return object a PEAR error object
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* @access public
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* @see PEAR_Error
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*/
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function mysqlRaiseError($errno = NULL, $message = NULL)
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{
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if ($errno == NULL) {
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if ($this->connection) {
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$errno = @mysql_errno($this->connection);
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} else {
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$errno = @mysql_errno();
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}
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}
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if ($this->connection) {
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$error = @mysql_errno($this->connection);
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} else {
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$error = @mysql_error();
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}
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return($this->raiseError($this->errorCode($errno), NULL, NULL,
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$message, $error));
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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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// {{{ autoCommit()
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/**
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* Define whether database changes done on the database be automatically
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* committed. This function may also implicitly start or end a transaction.
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*
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* @param boolean $auto_commit flag that indicates whether the database
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* changes should be committed right after
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* executing every query statement. If this
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* argument is 0 a transaction implicitly
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* started. Otherwise, if a transaction is
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* in progress it is ended by committing any
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* database changes that were pending.
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*
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* @access public
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*
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* @return mixed MDB_OK on success, a MDB error on failure
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*/
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function autoCommit($auto_commit)
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{
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$this->debug("AutoCommit: ".($auto_commit ? "On" : "Off"));
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if (!isset($this->supported['Transactions'])) {
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return($this->raiseError(MDB_ERROR_UNSUPPORTED, NULL, NULL,
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'Auto-commit transactions: transactions are not in use'));
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}
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if ($this->auto_commit == $auto_commit) {
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return(MDB_OK);
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}
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if ($this->connection) {
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if ($auto_commit) {
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$result = $this->query('COMMIT');
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if (MDB::isError($result)) {
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return($result);
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}
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$result = $this->query('SET AUTOCOMMIT = 1');
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if (MDB::isError($result)) {
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return($result);
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}
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} else {
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$result = $this->query('SET AUTOCOMMIT = 0');
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if (MDB::isError($result)) {
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return($result);
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}
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}
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}
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$this->auto_commit = $auto_commit;
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$this->in_transaction = !$auto_commit;
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return(MDB_OK);
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}
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// }}}
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// {{{ commit()
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/**
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* Commit the database changes done during a transaction that is in
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* progress. This function may only be called when auto-committing is
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* disabled, otherwise it will fail. Therefore, a new transaction is
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* implicitly started after committing the pending changes.
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*
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* @access public
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*
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* @return mixed MDB_OK on success, a MDB error on failure
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*/
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function commit()
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{
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$this->debug("Commit Transaction");
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if (!isset($this->supported['Transactions'])) {
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return($this->raiseError(MDB_ERROR_UNSUPPORTED, NULL, NULL,
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'Commit transactions: transactions are not in use'));
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}
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if ($this->auto_commit) {
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return($this->raiseError(MDB_ERROR, NULL, NULL,
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'Commit transactions: transaction changes are being auto commited'));
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}
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return($this->query('COMMIT'));
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}
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// }}}
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// {{{ rollback()
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/**
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* Cancel any database changes done during a transaction that is in
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* progress. This function may only be called when auto-committing is
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* disabled, otherwise it will fail. Therefore, a new transaction is
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* implicitly started after canceling the pending changes.
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*
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* @access public
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*
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* @return mixed MDB_OK on success, a MDB error on failure
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*/
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function rollback()
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{
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$this->debug("Rollback Transaction");
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if (!isset($this->supported['Transactions'])) {
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return($this->raiseError(MDB_ERROR_UNSUPPORTED, NULL, NULL,
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'Rollback transactions: transactions are not in use'));
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}
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if ($this->auto_commit) {
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return($this->raiseError(MDB_ERROR, NULL, NULL,
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'Rollback transactions: transactions can not be rolled back when changes are auto commited'));
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}
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return($this->query('ROLLBACK'));
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}
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// }}}
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// {{{ connect()
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/**
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* Connect to the database
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*
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* @return TRUE on success, MDB_Error on failure
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**/
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function connect()
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{
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$port = (isset($this->port) ? $this->port : '');
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if($this->connection != 0) {
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if (!strcmp($this->connected_host, $this->host)
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&& !strcmp($this->connected_user, $this->user)
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&& !strcmp($this->connected_password, $this->password)
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&& !strcmp($this->connected_port, $port)
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&& $this->opened_persistent == $this->options['persistent'])
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{
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return(MDB_OK);
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}
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@mysql_close($this->connection);
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$this->connection = 0;
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$this->affected_rows = -1;
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}
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if(!PEAR::loadExtension($this->phptype)) {
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return(PEAR::raiseError(NULL, MDB_ERROR_NOT_FOUND,
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NULL, NULL, 'extension '.$this->phptype.' is not compiled into PHP',
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'MDB_Error', TRUE));
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}
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$UseTransactions = $this->getOption('UseTransactions');
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if(!MDB::isError($UseTransactions) && $UseTransactions) {
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$this->supported['Transactions'] = 1;
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$this->default_table_type = 'BDB';
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} else {
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$this->supported['Transactions'] = 0;
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$this->default_table_type = '';
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}
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$DefaultTableType = $this->getOption('DefaultTableType');
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if(!MDB::isError($DefaultTableType) && $DefaultTableType) {
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switch($this->default_table_type = strtoupper($DefaultTableType)) {
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case 'BERKELEYDB':
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$this->default_table_type = 'BDB';
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case 'BDB':
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case 'INNODB':
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case 'GEMINI':
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break;
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case 'HEAP':
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case 'ISAM':
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case 'MERGE':
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case 'MRG_MYISAM':
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case 'MYISAM':
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if(isset($this->supported['Transactions'])) {
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|
363 |
$this->warnings[] = $DefaultTableType
|
|
|
364 |
.' is not a transaction-safe default table type';
|
|
|
365 |
}
|
|
|
366 |
break;
|
|
|
367 |
default:
|
|
|
368 |
$this->warnings[] = $DefaultTableType
|
|
|
369 |
.' is not a supported default table type';
|
|
|
370 |
}
|
|
|
371 |
}
|
|
|
372 |
|
|
|
373 |
$this->fixed_float = 30;
|
|
|
374 |
$function = ($this->options['persistent'] ? 'mysql_pconnect' : 'mysql_connect');
|
|
|
375 |
if (!function_exists($function)) {
|
|
|
376 |
return($this->raiseError(MDB_ERROR_UNSUPPORTED));
|
|
|
377 |
}
|
|
|
378 |
|
|
|
379 |
@ini_set('track_errors', TRUE);
|
|
|
380 |
$this->connection = @$function(
|
|
|
381 |
$this->host.(!strcmp($port,'') ? '' : ':'.$port),
|
|
|
382 |
$this->user, $this->password);
|
|
|
383 |
@ini_restore('track_errors');
|
|
|
384 |
if ($this->connection <= 0) {
|
|
|
385 |
return($this->raiseError(MDB_ERROR_CONNECT_FAILED, NULL, NULL,
|
|
|
386 |
$php_errormsg));
|
|
|
387 |
}
|
|
|
388 |
|
|
|
389 |
if (isset($this->options['fixedfloat'])) {
|
|
|
390 |
$this->fixed_float = $this->options['fixedfloat'];
|
|
|
391 |
} else {
|
|
|
392 |
if (($result = @mysql_query('SELECT VERSION()', $this->connection))) {
|
|
|
393 |
$version = explode('.', @mysql_result($result,0,0));
|
|
|
394 |
$major = intval($version[0]);
|
|
|
395 |
$minor = intval($version[1]);
|
|
|
396 |
$revision = intval($version[2]);
|
|
|
397 |
if ($major > 3 || ($major == 3 && $minor >= 23
|
|
|
398 |
&& ($minor > 23 || $revision >= 6)))
|
|
|
399 |
{
|
|
|
400 |
$this->fixed_float = 0;
|
|
|
401 |
}
|
|
|
402 |
@mysql_free_result($result);
|
|
|
403 |
}
|
|
|
404 |
}
|
|
|
405 |
if (isset($this->supported['Transactions']) && !$this->auto_commit) {
|
|
|
406 |
if (!@mysql_query('SET AUTOCOMMIT = 0', $this->connection)) {
|
|
|
407 |
@mysql_close($this->connection);
|
|
|
408 |
$this->connection = 0;
|
|
|
409 |
$this->affected_rows = -1;
|
|
|
410 |
return($this->raiseError());
|
|
|
411 |
}
|
|
|
412 |
$this->in_transaction = TRUE;
|
|
|
413 |
}
|
|
|
414 |
$this->connected_host = $this->host;
|
|
|
415 |
$this->connected_user = $this->user;
|
|
|
416 |
$this->connected_password = $this->password;
|
|
|
417 |
$this->connected_port = $port;
|
|
|
418 |
$this->opened_persistent = $this->getoption('persistent');
|
|
|
419 |
return(MDB_OK);
|
|
|
420 |
}
|
|
|
421 |
|
|
|
422 |
// }}}
|
|
|
423 |
// {{{ _close()
|
|
|
424 |
/**
|
|
|
425 |
* all the RDBMS specific things needed close a DB connection
|
|
|
426 |
*
|
|
|
427 |
* @return boolean
|
|
|
428 |
* @access private
|
|
|
429 |
**/
|
|
|
430 |
function _close()
|
|
|
431 |
{
|
|
|
432 |
if ($this->connection != 0) {
|
|
|
433 |
if (isset($this->supported['Transactions']) && !$this->auto_commit) {
|
|
|
434 |
$result = $this->autoCommit(TRUE);
|
|
|
435 |
}
|
|
|
436 |
@mysql_close($this->connection);
|
|
|
437 |
$this->connection = 0;
|
|
|
438 |
$this->affected_rows = -1;
|
|
|
439 |
|
|
|
440 |
if (isset($result) && MDB::isError($result)) {
|
|
|
441 |
return($result);
|
|
|
442 |
}
|
|
|
443 |
unset($GLOBALS['_MDB_databases'][$this->database]);
|
|
|
444 |
return(TRUE);
|
|
|
445 |
}
|
|
|
446 |
return(FALSE);
|
|
|
447 |
}
|
|
|
448 |
|
|
|
449 |
// }}}
|
|
|
450 |
// {{{ query()
|
|
|
451 |
|
|
|
452 |
/**
|
|
|
453 |
* Send a query to the database and return any results
|
|
|
454 |
*
|
|
|
455 |
* @access public
|
|
|
456 |
*
|
|
|
457 |
* @param string $query the SQL query
|
|
|
458 |
* @param mixed $types array that contains the types of the columns in
|
|
|
459 |
* the result set
|
|
|
460 |
*
|
|
|
461 |
* @return mixed a result handle or MDB_OK on success, a MDB error on failure
|
|
|
462 |
*/
|
|
|
463 |
function query($query, $types = NULL)
|
|
|
464 |
{
|
|
|
465 |
$this->debug("Query: $query");
|
|
|
466 |
$ismanip = MDB::isManip($query);
|
|
|
467 |
$this->last_query = $query;
|
|
|
468 |
$first = $this->first_selected_row;
|
|
|
469 |
$limit = $this->selected_row_limit;
|
|
|
470 |
$this->first_selected_row = $this->selected_row_limit = 0;
|
|
|
471 |
|
|
|
472 |
$result = $this->connect();
|
|
|
473 |
if (MDB::isError($result)) {
|
|
|
474 |
return($result);
|
|
|
475 |
}
|
|
|
476 |
if($limit > 0) {
|
|
|
477 |
if ($ismanip) {
|
|
|
478 |
$query .= " LIMIT $limit";
|
|
|
479 |
} else {
|
|
|
480 |
$query .= " LIMIT $first,$limit";
|
|
|
481 |
}
|
|
|
482 |
}
|
|
|
483 |
if ($this->database_name) {
|
|
|
484 |
if(!@mysql_select_db($this->database_name, $this->connection)) {
|
|
|
485 |
return($this->mysqlRaiseError());
|
|
|
486 |
}
|
|
|
487 |
}
|
|
|
488 |
if ($result = @mysql_query($query, $this->connection)) {
|
|
|
489 |
if ($ismanip) {
|
|
|
490 |
$this->affected_rows = @mysql_affected_rows($this->connection);
|
|
|
491 |
return(MDB_OK);
|
|
|
492 |
} else {
|
|
|
493 |
$result_value = intval($result);
|
|
|
494 |
$this->highest_fetched_row[$result_value] = -1;
|
|
|
495 |
if ($types != NULL) {
|
|
|
496 |
if (!is_array($types)) {
|
|
|
497 |
$types = array($types);
|
|
|
498 |
}
|
|
|
499 |
if (MDB::isError($err = $this->setResultTypes($result, $types))) {
|
|
|
500 |
$this->freeResult($result);
|
|
|
501 |
return($err);
|
|
|
502 |
}
|
|
|
503 |
}
|
|
|
504 |
return($result);
|
|
|
505 |
}
|
|
|
506 |
}
|
|
|
507 |
return($this->mysqlRaiseError());
|
|
|
508 |
}
|
|
|
509 |
|
|
|
510 |
// }}}
|
|
|
511 |
// {{{ subSelect()
|
|
|
512 |
|
|
|
513 |
/**
|
|
|
514 |
* simple subselect emulation for Mysql
|
|
|
515 |
*
|
|
|
516 |
* @access public
|
|
|
517 |
*
|
|
|
518 |
* @param string $query the SQL query for the subselect that may only
|
|
|
519 |
* return a column
|
|
|
520 |
* @param string $quote determines if the data needs to be quoted before
|
|
|
521 |
* being returned
|
|
|
522 |
*
|
|
|
523 |
* @return string the query
|
|
|
524 |
*/
|
|
|
525 |
function subSelect($query, $quote = FALSE)
|
|
|
526 |
{
|
|
|
527 |
if($this->supported['SubSelects'] == 1) {
|
|
|
528 |
return($query);
|
|
|
529 |
}
|
|
|
530 |
$col = $this->queryCol($query);
|
|
|
531 |
if (MDB::isError($col)) {
|
|
|
532 |
return($col);
|
|
|
533 |
}
|
|
|
534 |
if(!is_array($col) || count($col) == 0) {
|
|
|
535 |
return 'NULL';
|
|
|
536 |
}
|
|
|
537 |
if($quote) {
|
|
|
538 |
for($i = 0, $j = count($col); $i < $j; ++$i) {
|
|
|
539 |
$col[$i] = $this->getTextValue($col[$i]);
|
|
|
540 |
}
|
|
|
541 |
}
|
|
|
542 |
return(implode(', ', $col));
|
|
|
543 |
}
|
|
|
544 |
|
|
|
545 |
// }}}
|
|
|
546 |
// {{{ replace()
|
|
|
547 |
|
|
|
548 |
/**
|
|
|
549 |
* Execute a SQL REPLACE query. A REPLACE query is identical to a INSERT
|
|
|
550 |
* query, except that if there is already a row in the table with the same
|
|
|
551 |
* key field values, the REPLACE query just updates its values instead of
|
|
|
552 |
* inserting a new row.
|
|
|
553 |
*
|
|
|
554 |
* The REPLACE type of query does not make part of the SQL standards. Since
|
|
|
555 |
* practically only MySQL implements it natively, this type of query is
|
|
|
556 |
* emulated through this method for other DBMS using standard types of
|
|
|
557 |
* queries inside a transaction to assure the atomicity of the operation.
|
|
|
558 |
*
|
|
|
559 |
* @access public
|
|
|
560 |
*
|
|
|
561 |
* @param string $table name of the table on which the REPLACE query will
|
|
|
562 |
* be executed.
|
|
|
563 |
* @param array $fields associative array that describes the fields and the
|
|
|
564 |
* values that will be inserted or updated in the specified table. The
|
|
|
565 |
* indexes of the array are the names of all the fields of the table. The
|
|
|
566 |
* values of the array are also associative arrays that describe the
|
|
|
567 |
* values and other properties of the table fields.
|
|
|
568 |
*
|
|
|
569 |
* Here follows a list of field properties that need to be specified:
|
|
|
570 |
*
|
|
|
571 |
* Value:
|
|
|
572 |
* Value to be assigned to the specified field. This value may be
|
|
|
573 |
* of specified in database independent type format as this
|
|
|
574 |
* function can perform the necessary datatype conversions.
|
|
|
575 |
*
|
|
|
576 |
* Default:
|
|
|
577 |
* this property is required unless the Null property
|
|
|
578 |
* is set to 1.
|
|
|
579 |
*
|
|
|
580 |
* Type
|
|
|
581 |
* Name of the type of the field. Currently, all types Metabase
|
|
|
582 |
* are supported except for clob and blob.
|
|
|
583 |
*
|
|
|
584 |
* Default: no type conversion
|
|
|
585 |
*
|
|
|
586 |
* Null
|
|
|
587 |
* Boolean property that indicates that the value for this field
|
|
|
588 |
* should be set to NULL.
|
|
|
589 |
*
|
|
|
590 |
* The default value for fields missing in INSERT queries may be
|
|
|
591 |
* specified the definition of a table. Often, the default value
|
|
|
592 |
* is already NULL, but since the REPLACE may be emulated using
|
|
|
593 |
* an UPDATE query, make sure that all fields of the table are
|
|
|
594 |
* listed in this function argument array.
|
|
|
595 |
*
|
|
|
596 |
* Default: 0
|
|
|
597 |
*
|
|
|
598 |
* Key
|
|
|
599 |
* Boolean property that indicates that this field should be
|
|
|
600 |
* handled as a primary key or at least as part of the compound
|
|
|
601 |
* unique index of the table that will determine the row that will
|
|
|
602 |
* updated if it exists or inserted a new row otherwise.
|
|
|
603 |
*
|
|
|
604 |
* This function will fail if no key field is specified or if the
|
|
|
605 |
* value of a key field is set to NULL because fields that are
|
|
|
606 |
* part of unique index they may not be NULL.
|
|
|
607 |
*
|
|
|
608 |
* Default: 0
|
|
|
609 |
*
|
|
|
610 |
* @return mixed MDB_OK on success, a MDB error on failure
|
|
|
611 |
*/
|
|
|
612 |
function replace($table, $fields)
|
|
|
613 |
{
|
|
|
614 |
$count = count($fields);
|
|
|
615 |
for($keys = 0, $query = $values = '',reset($fields), $field = 0;
|
|
|
616 |
$field<$count;
|
|
|
617 |
next($fields), $field++)
|
|
|
618 |
{
|
|
|
619 |
$name = key($fields);
|
|
|
620 |
if ($field > 0) {
|
|
|
621 |
$query .= ',';
|
|
|
622 |
$values .= ',';
|
|
|
623 |
}
|
|
|
624 |
$query .= $name;
|
|
|
625 |
if (isset($fields[$name]['Null']) && $fields[$name]['Null']) {
|
|
|
626 |
$value = 'NULL';
|
|
|
627 |
} else {
|
|
|
628 |
if(isset($fields[$name]['Type'])) {
|
|
|
629 |
switch ($fields[$name]['Type']) {
|
|
|
630 |
case 'text':
|
|
|
631 |
$value = $this->getTextValue($fields[$name]['Value']);
|
|
|
632 |
break;
|
|
|
633 |
case 'boolean':
|
|
|
634 |
$value = $this->getBooleanValue($fields[$name]['Value']);
|
|
|
635 |
break;
|
|
|
636 |
case 'integer':
|
|
|
637 |
$value = $this->getIntegerValue($fields[$name]['Value']);
|
|
|
638 |
break;
|
|
|
639 |
case 'decimal':
|
|
|
640 |
$value = $this->getDecimalValue($fields[$name]['Value']);
|
|
|
641 |
break;
|
|
|
642 |
case 'float':
|
|
|
643 |
$value = $this->getFloatValue($fields[$name]['Value']);
|
|
|
644 |
break;
|
|
|
645 |
case 'date':
|
|
|
646 |
$value = $this->getDateValue($fields[$name]['Value']);
|
|
|
647 |
break;
|
|
|
648 |
case 'time':
|
|
|
649 |
$value = $this->getTimeValue($fields[$name]['Value']);
|
|
|
650 |
break;
|
|
|
651 |
case 'timestamp':
|
|
|
652 |
$value = $this->getTimestampValue($fields[$name]['Value']);
|
|
|
653 |
break;
|
|
|
654 |
default:
|
|
|
655 |
return($this->raiseError(MDB_ERROR_CANNOT_REPLACE, NULL, NULL,
|
|
|
656 |
'no supported type for field "' . $name . '" specified'));
|
|
|
657 |
}
|
|
|
658 |
} else {
|
|
|
659 |
$value = $fields[$name]['Value'];
|
|
|
660 |
}
|
|
|
661 |
}
|
|
|
662 |
$values .= $value;
|
|
|
663 |
if (isset($fields[$name]['Key']) && $fields[$name]['Key']) {
|
|
|
664 |
if ($value === 'NULL') {
|
|
|
665 |
return($this->raiseError(MDB_ERROR_CANNOT_REPLACE, NULL, NULL,
|
|
|
666 |
$name.': key values may not be NULL'));
|
|
|
667 |
}
|
|
|
668 |
$keys++;
|
|
|
669 |
}
|
|
|
670 |
}
|
|
|
671 |
if ($keys == 0) {
|
|
|
672 |
return($this->raiseError(MDB_ERROR_CANNOT_REPLACE, NULL, NULL,
|
|
|
673 |
'not specified which fields are keys'));
|
|
|
674 |
}
|
|
|
675 |
return($this->query("REPLACE INTO $table ($query) VALUES ($values)"));
|
|
|
676 |
}
|
|
|
677 |
|
|
|
678 |
// }}}
|
|
|
679 |
// {{{ getColumnNames()
|
|
|
680 |
|
|
|
681 |
/**
|
|
|
682 |
* Retrieve the names of columns returned by the DBMS in a query result.
|
|
|
683 |
*
|
|
|
684 |
* @param resource $result result identifier
|
|
|
685 |
* @return mixed an associative array variable
|
|
|
686 |
* that will hold the names of columns. The
|
|
|
687 |
* indexes of the array are the column names
|
|
|
688 |
* mapped to lower case and the values are the
|
|
|
689 |
* respective numbers of the columns starting
|
|
|
690 |
* from 0. Some DBMS may not return any
|
|
|
691 |
* columns when the result set does not
|
|
|
692 |
* contain any rows.
|
|
|
693 |
*
|
|
|
694 |
* a MDB error on failure
|
|
|
695 |
* @access public
|
|
|
696 |
*/
|
|
|
697 |
function getColumnNames($result)
|
|
|
698 |
{
|
|
|
699 |
$result_value = intval($result);
|
|
|
700 |
if (!isset($this->highest_fetched_row[$result_value])) {
|
|
|
701 |
return($this->raiseError(MDB_ERROR_INVALID, NULL, NULL,
|
|
|
702 |
'Get column names: it was specified an inexisting result set'));
|
|
|
703 |
}
|
|
|
704 |
if (!isset($this->columns[$result_value])) {
|
|
|
705 |
$this->columns[$result_value] = array();
|
|
|
706 |
$columns = @mysql_num_fields($result);
|
|
|
707 |
for($column = 0; $column < $columns; $column++) {
|
|
|
708 |
$field_name = @mysql_field_name($result, $column);
|
|
|
709 |
if ($this->options['optimize'] == 'portability') {
|
|
|
710 |
$field_name = strtolower($field_name);
|
|
|
711 |
}
|
|
|
712 |
$this->columns[$result_value][$field_name] = $column;
|
|
|
713 |
}
|
|
|
714 |
}
|
|
|
715 |
return($this->columns[$result_value]);
|
|
|
716 |
}
|
|
|
717 |
|
|
|
718 |
// }}}
|
|
|
719 |
// {{{ numCols()
|
|
|
720 |
|
|
|
721 |
/**
|
|
|
722 |
* Count the number of columns returned by the DBMS in a query result.
|
|
|
723 |
*
|
|
|
724 |
* @param resource $result result identifier
|
|
|
725 |
* @access public
|
|
|
726 |
* @return mixed integer value with the number of columns, a MDB error
|
|
|
727 |
* on failure
|
|
|
728 |
*/
|
|
|
729 |
function numCols($result)
|
|
|
730 |
{
|
|
|
731 |
$result_value = intval($result);
|
|
|
732 |
if (!isset($this->highest_fetched_row[$result_value])) {
|
|
|
733 |
return($this->raiseError(MDB_ERROR_INVALID, NULL, NULL,
|
|
|
734 |
'numCols: it was specified an inexisting result set'));
|
|
|
735 |
}
|
|
|
736 |
return(@mysql_num_fields($result));
|
|
|
737 |
}
|
|
|
738 |
|
|
|
739 |
// }}}
|
|
|
740 |
// {{{ endOfResult()
|
|
|
741 |
|
|
|
742 |
/**
|
|
|
743 |
* check if the end of the result set has been reached
|
|
|
744 |
*
|
|
|
745 |
* @param resource $result result identifier
|
|
|
746 |
* @return mixed TRUE or FALSE on sucess, a MDB error on failure
|
|
|
747 |
* @access public
|
|
|
748 |
*/
|
|
|
749 |
function endOfResult($result)
|
|
|
750 |
{
|
|
|
751 |
$result_value = intval($result);
|
|
|
752 |
if (!isset($this->highest_fetched_row[$result_value])) {
|
|
|
753 |
return($this->raiseError(MDB_ERROR, NULL, NULL,
|
|
|
754 |
'End of result: attempted to check the end of an unknown result'));
|
|
|
755 |
}
|
|
|
756 |
return($this->highest_fetched_row[$result_value] >= $this->numRows($result)-1);
|
|
|
757 |
}
|
|
|
758 |
|
|
|
759 |
// }}}
|
|
|
760 |
// {{{ fetch()
|
|
|
761 |
|
|
|
762 |
/**
|
|
|
763 |
* fetch value from a result set
|
|
|
764 |
*
|
|
|
765 |
* @param resource $result result identifier
|
|
|
766 |
* @param int $row number of the row where the data can be found
|
|
|
767 |
* @param int $field field number where the data can be found
|
|
|
768 |
* @return mixed string on success, a MDB error on failure
|
|
|
769 |
* @access public
|
|
|
770 |
*/
|
|
|
771 |
function fetch($result, $row, $field)
|
|
|
772 |
{
|
|
|
773 |
$result_value = intval($result);
|
|
|
774 |
$this->highest_fetched_row[$result_value] =
|
|
|
775 |
max($this->highest_fetched_row[$result_value], $row);
|
|
|
776 |
$res = @mysql_result($result, $row, $field);
|
|
|
777 |
if ($res === FALSE && $res != NULL) {
|
|
|
778 |
return($this->mysqlRaiseError());
|
|
|
779 |
}
|
|
|
780 |
return($res);
|
|
|
781 |
}
|
|
|
782 |
|
|
|
783 |
// }}}
|
|
|
784 |
// {{{ fetchClob()
|
|
|
785 |
|
|
|
786 |
/**
|
|
|
787 |
* fetch a clob value from a result set
|
|
|
788 |
*
|
|
|
789 |
* @param resource $result result identifier
|
|
|
790 |
* @param int $row number of the row where the data can be found
|
|
|
791 |
* @param int $field field number where the data can be found
|
|
|
792 |
* @return mixed content of the specified data cell, a MDB error on failure,
|
|
|
793 |
* a MDB error on failure
|
|
|
794 |
* @access public
|
|
|
795 |
*/
|
|
|
796 |
function fetchClob($result, $row, $field)
|
|
|
797 |
{
|
|
|
798 |
return($this->fetchLob($result, $row, $field));
|
|
|
799 |
}
|
|
|
800 |
|
|
|
801 |
// }}}
|
|
|
802 |
// {{{ fetchBlob()
|
|
|
803 |
|
|
|
804 |
/**
|
|
|
805 |
* fetch a blob value from a result set
|
|
|
806 |
*
|
|
|
807 |
* @param resource $result result identifier
|
|
|
808 |
* @param int $row number of the row where the data can be found
|
|
|
809 |
* @param int $field field number where the data can be found
|
|
|
810 |
* @return mixed content of the specified data cell, a MDB error on failure
|
|
|
811 |
* @access public
|
|
|
812 |
*/
|
|
|
813 |
function fetchBlob($result, $row, $field)
|
|
|
814 |
{
|
|
|
815 |
return($this->fetchLob($result, $row, $field));
|
|
|
816 |
}
|
|
|
817 |
|
|
|
818 |
// }}}
|
|
|
819 |
// {{{ convertResult()
|
|
|
820 |
|
|
|
821 |
/**
|
|
|
822 |
* convert a value to a RDBMS indepdenant MDB type
|
|
|
823 |
*
|
|
|
824 |
* @param mixed $value value to be converted
|
|
|
825 |
* @param int $type constant that specifies which type to convert to
|
|
|
826 |
* @return mixed converted value
|
|
|
827 |
* @access public
|
|
|
828 |
*/
|
|
|
829 |
function convertResult($value, $type)
|
|
|
830 |
{
|
|
|
831 |
switch($type) {
|
|
|
832 |
case MDB_TYPE_DECIMAL:
|
|
|
833 |
return(sprintf('%.'.$this->decimal_places.'f', doubleval($value)/$this->decimal_factor));
|
|
|
834 |
default:
|
|
|
835 |
return($this->_baseConvertResult($value, $type));
|
|
|
836 |
}
|
|
|
837 |
}
|
|
|
838 |
|
|
|
839 |
// }}}
|
|
|
840 |
// {{{ numRows()
|
|
|
841 |
|
|
|
842 |
/**
|
|
|
843 |
* returns the number of rows in a result object
|
|
|
844 |
*
|
|
|
845 |
* @param ressource $result a valid result ressouce pointer
|
|
|
846 |
* @return mixed MDB_Error or the number of rows
|
|
|
847 |
* @access public
|
|
|
848 |
*/
|
|
|
849 |
function numRows($result)
|
|
|
850 |
{
|
|
|
851 |
return(@mysql_num_rows($result));
|
|
|
852 |
}
|
|
|
853 |
|
|
|
854 |
// }}}
|
|
|
855 |
// {{{ freeResult()
|
|
|
856 |
|
|
|
857 |
/**
|
|
|
858 |
* Free the internal resources associated with $result.
|
|
|
859 |
*
|
|
|
860 |
* @param $result result identifier
|
|
|
861 |
* @return boolean TRUE on success, FALSE if $result is invalid
|
|
|
862 |
* @access public
|
|
|
863 |
*/
|
|
|
864 |
function freeResult($result)
|
|
|
865 |
{
|
|
|
866 |
$result_value = intval($result);
|
|
|
867 |
if(isset($this->highest_fetched_row[$result_value])) {
|
|
|
868 |
unset($this->highest_fetched_row[$result_value]);
|
|
|
869 |
}
|
|
|
870 |
if(isset($this->columns[$result_value])) {
|
|
|
871 |
unset($this->columns[$result_value]);
|
|
|
872 |
}
|
|
|
873 |
if(isset($this->result_types[$result_value])) {
|
|
|
874 |
unset($this->result_types[$result_value]);
|
|
|
875 |
}
|
|
|
876 |
return(@mysql_free_result($result));
|
|
|
877 |
}
|
|
|
878 |
|
|
|
879 |
// }}}
|
|
|
880 |
// {{{ getIntegerDeclaration()
|
|
|
881 |
|
|
|
882 |
/**
|
|
|
883 |
* Obtain DBMS specific SQL code portion needed to declare an integer type
|
|
|
884 |
* field to be used in statements like CREATE TABLE.
|
|
|
885 |
*
|
|
|
886 |
* @param string $name name the field to be declared.
|
|
|
887 |
* @param string $field associative array with the name of the properties
|
|
|
888 |
* of the field being declared as array indexes.
|
|
|
889 |
* Currently, the types of supported field
|
|
|
890 |
* properties are as follows:
|
|
|
891 |
*
|
|
|
892 |
* unsigned
|
|
|
893 |
* Boolean flag that indicates whether the field
|
|
|
894 |
* should be declared as unsigned integer if
|
|
|
895 |
* possible.
|
|
|
896 |
*
|
|
|
897 |
* default
|
|
|
898 |
* Integer value to be used as default for this
|
|
|
899 |
* field.
|
|
|
900 |
*
|
|
|
901 |
* notnull
|
|
|
902 |
* Boolean flag that indicates whether this field is
|
|
|
903 |
* constrained to not be set to NULL.
|
|
|
904 |
* @return string DBMS specific SQL code portion that should be used to
|
|
|
905 |
* declare the specified field.
|
|
|
906 |
* @access public
|
|
|
907 |
*/
|
|
|
908 |
function getIntegerDeclaration($name, $field)
|
|
|
909 |
{
|
|
|
910 |
return("$name INT".
|
|
|
911 |
(isset($field['unsigned']) ? ' UNSIGNED' : '').
|
|
|
912 |
(isset($field['default']) ? ' DEFAULT '.$field['default'] : '').
|
|
|
913 |
(isset($field['notnull']) ? ' NOT NULL' : '')
|
|
|
914 |
);
|
|
|
915 |
}
|
|
|
916 |
|
|
|
917 |
// }}}
|
|
|
918 |
// {{{ getClobDeclaration()
|
|
|
919 |
|
|
|
920 |
/**
|
|
|
921 |
* Obtain DBMS specific SQL code portion needed to declare an character
|
|
|
922 |
* large object type field to be used in statements like CREATE TABLE.
|
|
|
923 |
*
|
|
|
924 |
* @param string $name name the field to be declared.
|
|
|
925 |
* @param string $field associative array with the name of the
|
|
|
926 |
* properties of the field being declared as array
|
|
|
927 |
* indexes. Currently, the types of supported field
|
|
|
928 |
* properties are as follows:
|
|
|
929 |
*
|
|
|
930 |
* length
|
|
|
931 |
* Integer value that determines the maximum length
|
|
|
932 |
* of the large object field. If this argument is
|
|
|
933 |
* missing the field should be declared to have the
|
|
|
934 |
* longest length allowed by the DBMS.
|
|
|
935 |
*
|
|
|
936 |
* notnull
|
|
|
937 |
* Boolean flag that indicates whether this field
|
|
|
938 |
* is constrained to not be set to NULL.
|
|
|
939 |
* @return string DBMS specific SQL code portion that should be used to
|
|
|
940 |
* declare the specified field.
|
|
|
941 |
* @access public
|
|
|
942 |
*/
|
|
|
943 |
function getClobDeclaration($name, $field)
|
|
|
944 |
{
|
|
|
945 |
if (isset($field['length'])) {
|
|
|
946 |
$length = $field['length'];
|
|
|
947 |
if ($length <= 255) {
|
|
|
948 |
$type = 'TINYTEXT';
|
|
|
949 |
} else {
|
|
|
950 |
if ($length <= 65535) {
|
|
|
951 |
$type = 'TEXT';
|
|
|
952 |
} else {
|
|
|
953 |
if ($length <= 16777215) {
|
|
|
954 |
$type = 'MEDIUMTEXT';
|
|
|
955 |
} else {
|
|
|
956 |
$type = 'LONGTEXT';
|
|
|
957 |
}
|
|
|
958 |
}
|
|
|
959 |
}
|
|
|
960 |
} else {
|
|
|
961 |
$type = 'LONGTEXT';
|
|
|
962 |
}
|
|
|
963 |
return("$name $type".
|
|
|
964 |
(isset($field['notnull']) ? ' NOT NULL' : ''));
|
|
|
965 |
}
|
|
|
966 |
|
|
|
967 |
// }}}
|
|
|
968 |
// {{{ getBlobDeclaration()
|
|
|
969 |
|
|
|
970 |
/**
|
|
|
971 |
* Obtain DBMS specific SQL code portion needed to declare an binary large
|
|
|
972 |
* object type field to be used in statements like CREATE TABLE.
|
|
|
973 |
*
|
|
|
974 |
* @param string $name name the field to be declared.
|
|
|
975 |
* @param string $field associative array with the name of the properties
|
|
|
976 |
* of the field being declared as array indexes.
|
|
|
977 |
* Currently, the types of supported field
|
|
|
978 |
* properties are as follows:
|
|
|
979 |
*
|
|
|
980 |
* length
|
|
|
981 |
* Integer value that determines the maximum length
|
|
|
982 |
* of the large object field. If this argument is
|
|
|
983 |
* missing the field should be declared to have the
|
|
|
984 |
* longest length allowed by the DBMS.
|
|
|
985 |
*
|
|
|
986 |
* notnull
|
|
|
987 |
* Boolean flag that indicates whether this field is
|
|
|
988 |
* constrained to not be set to NULL.
|
|
|
989 |
* @return string DBMS specific SQL code portion that should be used to
|
|
|
990 |
* declare the specified field.
|
|
|
991 |
* @access public
|
|
|
992 |
*/
|
|
|
993 |
function getBlobDeclaration($name, $field)
|
|
|
994 |
{
|
|
|
995 |
if (isset($field['length'])) {
|
|
|
996 |
$length = $field['length'];
|
|
|
997 |
if ($length <= 255) {
|
|
|
998 |
$type = 'TINYBLOB';
|
|
|
999 |
} else {
|
|
|
1000 |
if ($length <= 65535) {
|
|
|
1001 |
$type = 'BLOB';
|
|
|
1002 |
} else {
|
|
|
1003 |
if ($length <= 16777215) {
|
|
|
1004 |
$type = 'MEDIUMBLOB';
|
|
|
1005 |
} else {
|
|
|
1006 |
$type = 'LONGBLOB';
|
|
|
1007 |
}
|
|
|
1008 |
}
|
|
|
1009 |
}
|
|
|
1010 |
}
|
|
|
1011 |
else {
|
|
|
1012 |
$type = 'LONGBLOB';
|
|
|
1013 |
}
|
|
|
1014 |
return("$name $type".
|
|
|
1015 |
(isset($field['notnull']) ? ' NOT NULL' : ''));
|
|
|
1016 |
}
|
|
|
1017 |
|
|
|
1018 |
// }}}
|
|
|
1019 |
// {{{ getDateDeclaration()
|
|
|
1020 |
|
|
|
1021 |
/**
|
|
|
1022 |
* Obtain DBMS specific SQL code portion needed to declare an date type
|
|
|
1023 |
* field to be used in statements like CREATE TABLE.
|
|
|
1024 |
*
|
|
|
1025 |
* @param string $name name the field to be declared.
|
|
|
1026 |
* @param string $field associative array with the name of the properties
|
|
|
1027 |
* of the field being declared as array indexes.
|
|
|
1028 |
* Currently, the types of supported field properties
|
|
|
1029 |
* are as follows:
|
|
|
1030 |
*
|
|
|
1031 |
* default
|
|
|
1032 |
* Date value to be used as default for this field.
|
|
|
1033 |
*
|
|
|
1034 |
* notnull
|
|
|
1035 |
* Boolean flag that indicates whether this field is
|
|
|
1036 |
* constrained to not be set to NULL.
|
|
|
1037 |
* @return string DBMS specific SQL code portion that should be used to
|
|
|
1038 |
* declare the specified field.
|
|
|
1039 |
* @access public
|
|
|
1040 |
*/
|
|
|
1041 |
function getDateDeclaration($name, $field)
|
|
|
1042 |
{
|
|
|
1043 |
return("$name DATE".
|
|
|
1044 |
(isset($field['default']) ? " DEFAULT '".$field['default']."'" : '').
|
|
|
1045 |
(isset($field['notnull']) ? ' NOT NULL' : '')
|
|
|
1046 |
);
|
|
|
1047 |
}
|
|
|
1048 |
|
|
|
1049 |
// }}}
|
|
|
1050 |
// {{{ getTimestampDeclaration()
|
|
|
1051 |
|
|
|
1052 |
/**
|
|
|
1053 |
* Obtain DBMS specific SQL code portion needed to declare an timestamp
|
|
|
1054 |
* type field to be used in statements like CREATE TABLE.
|
|
|
1055 |
*
|
|
|
1056 |
* @param string $name name the field to be declared.
|
|
|
1057 |
* @param string $field associative array with the name of the properties
|
|
|
1058 |
* of the field being declared as array indexes.
|
|
|
1059 |
* Currently, the types of supported field
|
|
|
1060 |
* properties are as follows:
|
|
|
1061 |
*
|
|
|
1062 |
* default
|
|
|
1063 |
* Time stamp value to be used as default for this
|
|
|
1064 |
* field.
|
|
|
1065 |
*
|
|
|
1066 |
* notnull
|
|
|
1067 |
* Boolean flag that indicates whether this field is
|
|
|
1068 |
* constrained to not be set to NULL.
|
|
|
1069 |
* @return string DBMS specific SQL code portion that should be used to
|
|
|
1070 |
* declare the specified field.
|
|
|
1071 |
* @access public
|
|
|
1072 |
*/
|
|
|
1073 |
function getTimestampDeclaration($name, $field)
|
|
|
1074 |
{
|
|
|
1075 |
return("$name DATETIME".
|
|
|
1076 |
(isset($field['default']) ? " DEFAULT '".$field['default']."'" : '').
|
|
|
1077 |
(isset($field['notnull']) ? ' NOT NULL' : '')
|
|
|
1078 |
);
|
|
|
1079 |
}
|
|
|
1080 |
|
|
|
1081 |
// }}}
|
|
|
1082 |
// {{{ getTimeDeclaration()
|
|
|
1083 |
|
|
|
1084 |
/**
|
|
|
1085 |
* Obtain DBMS specific SQL code portion needed to declare an time type
|
|
|
1086 |
* field to be used in statements like CREATE TABLE.
|
|
|
1087 |
*
|
|
|
1088 |
* @param string $name name the field to be declared.
|
|
|
1089 |
* @param string $field associative array with the name of the properties
|
|
|
1090 |
* of the field being declared as array indexes.
|
|
|
1091 |
* Currently, the types of supported field
|
|
|
1092 |
* properties are as follows:
|
|
|
1093 |
*
|
|
|
1094 |
* default
|
|
|
1095 |
* Time value to be used as default for this field.
|
|
|
1096 |
*
|
|
|
1097 |
* notnull
|
|
|
1098 |
* Boolean flag that indicates whether this field is
|
|
|
1099 |
* constrained to not be set to NULL.
|
|
|
1100 |
* @return string DBMS specific SQL code portion that should be used to
|
|
|
1101 |
* declare the specified field.
|
|
|
1102 |
* @access public
|
|
|
1103 |
*/
|
|
|
1104 |
function getTimeDeclaration($name, $field)
|
|
|
1105 |
{
|
|
|
1106 |
return("$name TIME".
|
|
|
1107 |
(isset($field['default']) ? " DEFAULT '".$field['default']."'" : '').
|
|
|
1108 |
(isset($field['notnull']) ? ' NOT NULL' : '')
|
|
|
1109 |
);
|
|
|
1110 |
}
|
|
|
1111 |
|
|
|
1112 |
// }}}
|
|
|
1113 |
// {{{ getFloatDeclaration()
|
|
|
1114 |
|
|
|
1115 |
/**
|
|
|
1116 |
* Obtain DBMS specific SQL code portion needed to declare an float type
|
|
|
1117 |
* field to be used in statements like CREATE TABLE.
|
|
|
1118 |
*
|
|
|
1119 |
* @param string $name name the field to be declared.
|
|
|
1120 |
* @param string $field associative array with the name of the properties
|
|
|
1121 |
* of the field being declared as array indexes.
|
|
|
1122 |
* Currently, the types of supported field
|
|
|
1123 |
* properties are as follows:
|
|
|
1124 |
*
|
|
|
1125 |
* default
|
|
|
1126 |
* Integer value to be used as default for this
|
|
|
1127 |
* field.
|
|
|
1128 |
*
|
|
|
1129 |
* notnull
|
|
|
1130 |
* Boolean flag that indicates whether this field is
|
|
|
1131 |
* constrained to not be set to NULL.
|
|
|
1132 |
* @return string DBMS specific SQL code portion that should be used to
|
|
|
1133 |
* declare the specified field.
|
|
|
1134 |
* @access public
|
|
|
1135 |
*/
|
|
|
1136 |
function getFloatDeclaration($name, $field)
|
|
|
1137 |
{
|
|
|
1138 |
if (isset($this->options['fixedfloat'])) {
|
|
|
1139 |
$this->fixed_float = $this->options['fixedfloat'];
|
|
|
1140 |
} else {
|
|
|
1141 |
if ($this->connection == 0) {
|
|
|
1142 |
// XXX needs more checking
|
|
|
1143 |
$this->connect();
|
|
|
1144 |
}
|
|
|
1145 |
}
|
|
|
1146 |
return("$name DOUBLE".
|
|
|
1147 |
($this->fixed_float ?
|
|
|
1148 |
'('.($this->fixed_float + 2).','.$this->fixed_float.')' : '').
|
|
|
1149 |
(isset($field['default']) ?
|
|
|
1150 |
' DEFAULT '.$this->getFloatValue($field['default']) : '').
|
|
|
1151 |
(isset($field['notnull']) ? ' NOT NULL' : '')
|
|
|
1152 |
);
|
|
|
1153 |
}
|
|
|
1154 |
|
|
|
1155 |
// }}}
|
|
|
1156 |
// {{{ getDecimalDeclaration()
|
|
|
1157 |
|
|
|
1158 |
/**
|
|
|
1159 |
* Obtain DBMS specific SQL code portion needed to declare an decimal type
|
|
|
1160 |
* field to be used in statements like CREATE TABLE.
|
|
|
1161 |
*
|
|
|
1162 |
* @param string $name name the field to be declared.
|
|
|
1163 |
* @param string $field associative array with the name of the properties
|
|
|
1164 |
* of the field being declared as array indexes.
|
|
|
1165 |
* Currently, the types of supported field
|
|
|
1166 |
* properties are as follows:
|
|
|
1167 |
*
|
|
|
1168 |
* default
|
|
|
1169 |
* Integer value to be used as default for this
|
|
|
1170 |
* field.
|
|
|
1171 |
*
|
|
|
1172 |
* notnull
|
|
|
1173 |
* Boolean flag that indicates whether this field is
|
|
|
1174 |
* constrained to not be set to NULL.
|
|
|
1175 |
* @return string DBMS specific SQL code portion that should be used to
|
|
|
1176 |
* declare the specified field.
|
|
|
1177 |
* @access public
|
|
|
1178 |
*/
|
|
|
1179 |
function getDecimalDeclaration($name, $field)
|
|
|
1180 |
{
|
|
|
1181 |
return("$name BIGINT".
|
|
|
1182 |
(isset($field['default']) ?
|
|
|
1183 |
' DEFAULT '.$this->getDecimalValue($field['default']) : '').
|
|
|
1184 |
(isset($field['notnull']) ? ' NOT NULL' : '')
|
|
|
1185 |
);
|
|
|
1186 |
}
|
|
|
1187 |
|
|
|
1188 |
// }}}
|
|
|
1189 |
// {{{ getClobValue()
|
|
|
1190 |
|
|
|
1191 |
/**
|
|
|
1192 |
* Convert a text value into a DBMS specific format that is suitable to
|
|
|
1193 |
* compose query statements.
|
|
|
1194 |
*
|
|
|
1195 |
* @param resource $prepared_query query handle from prepare()
|
|
|
1196 |
* @param $parameter
|
|
|
1197 |
* @param $clob
|
|
|
1198 |
* @return string text string that represents the given argument value in
|
|
|
1199 |
* a DBMS specific format.
|
|
|
1200 |
* @access public
|
|
|
1201 |
*/
|
|
|
1202 |
function getClobValue($prepared_query, $parameter, $clob)
|
|
|
1203 |
{
|
|
|
1204 |
$value = "'";
|
|
|
1205 |
while(!$this->endOfLob($clob)) {
|
|
|
1206 |
if (MDB::isError($result = $this->readLob($clob, $data, $this->options['lob_buffer_length']))) {
|
|
|
1207 |
return($result);
|
|
|
1208 |
}
|
|
|
1209 |
$value .= $this->_quote($data);
|
|
|
1210 |
}
|
|
|
1211 |
$value .= "'";
|
|
|
1212 |
return($value);
|
|
|
1213 |
}
|
|
|
1214 |
|
|
|
1215 |
// }}}
|
|
|
1216 |
// {{{ freeClobValue()
|
|
|
1217 |
|
|
|
1218 |
/**
|
|
|
1219 |
* free a character large object
|
|
|
1220 |
*
|
|
|
1221 |
* @param resource $prepared_query query handle from prepare()
|
|
|
1222 |
* @param string $clob
|
|
|
1223 |
* @return MDB_OK
|
|
|
1224 |
* @access public
|
|
|
1225 |
*/
|
|
|
1226 |
function freeClobValue($prepared_query, $clob)
|
|
|
1227 |
{
|
|
|
1228 |
unset($this->lobs[$clob]);
|
|
|
1229 |
return(MDB_OK);
|
|
|
1230 |
}
|
|
|
1231 |
|
|
|
1232 |
// }}}
|
|
|
1233 |
// {{{ getBlobValue()
|
|
|
1234 |
|
|
|
1235 |
/**
|
|
|
1236 |
* Convert a text value into a DBMS specific format that is suitable to
|
|
|
1237 |
* compose query statements.
|
|
|
1238 |
*
|
|
|
1239 |
* @param resource $prepared_query query handle from prepare()
|
|
|
1240 |
* @param $parameter
|
|
|
1241 |
* @param $blob
|
|
|
1242 |
* @return string text string that represents the given argument value in
|
|
|
1243 |
* a DBMS specific format.
|
|
|
1244 |
* @access public
|
|
|
1245 |
*/
|
|
|
1246 |
function getBlobValue($prepared_query, $parameter, $blob)
|
|
|
1247 |
{
|
|
|
1248 |
$value = "'";
|
|
|
1249 |
while(!$this->endOfLob($blob)) {
|
|
|
1250 |
if (MDB::isError($result = $this->readLob($blob, $data, $this->options['lob_buffer_length']))) {
|
|
|
1251 |
return($result);
|
|
|
1252 |
}
|
|
|
1253 |
$value .= addslashes($data);
|
|
|
1254 |
}
|
|
|
1255 |
$value .= "'";
|
|
|
1256 |
return($value);
|
|
|
1257 |
}
|
|
|
1258 |
|
|
|
1259 |
// }}}
|
|
|
1260 |
// {{{ freeBlobValue()
|
|
|
1261 |
|
|
|
1262 |
/**
|
|
|
1263 |
* free a binary large object
|
|
|
1264 |
*
|
|
|
1265 |
* @param resource $prepared_query query handle from prepare()
|
|
|
1266 |
* @param string $blob
|
|
|
1267 |
* @return MDB_OK
|
|
|
1268 |
* @access public
|
|
|
1269 |
*/
|
|
|
1270 |
function freeBlobValue($prepared_query, $blob)
|
|
|
1271 |
{
|
|
|
1272 |
unset($this->lobs[$blob]);
|
|
|
1273 |
return(MDB_OK);
|
|
|
1274 |
}
|
|
|
1275 |
|
|
|
1276 |
// }}}
|
|
|
1277 |
// {{{ getFloatValue()
|
|
|
1278 |
|
|
|
1279 |
/**
|
|
|
1280 |
* Convert a text value into a DBMS specific format that is suitable to
|
|
|
1281 |
* compose query statements.
|
|
|
1282 |
*
|
|
|
1283 |
* @param string $value text string value that is intended to be converted.
|
|
|
1284 |
* @return string text string that represents the given argument value in
|
|
|
1285 |
* a DBMS specific format.
|
|
|
1286 |
* @access public
|
|
|
1287 |
*/
|
|
|
1288 |
function getFloatValue($value)
|
|
|
1289 |
{
|
|
|
1290 |
return(($value === NULL) ? 'NULL' : (float)$value);
|
|
|
1291 |
}
|
|
|
1292 |
|
|
|
1293 |
// }}}
|
|
|
1294 |
// {{{ getDecimalValue()
|
|
|
1295 |
|
|
|
1296 |
/**
|
|
|
1297 |
* Convert a text value into a DBMS specific format that is suitable to
|
|
|
1298 |
* compose query statements.
|
|
|
1299 |
*
|
|
|
1300 |
* @param string $value text string value that is intended to be converted.
|
|
|
1301 |
* @return string text string that represents the given argument value in
|
|
|
1302 |
* a DBMS specific format.
|
|
|
1303 |
* @access public
|
|
|
1304 |
*/
|
|
|
1305 |
function getDecimalValue($value)
|
|
|
1306 |
{
|
|
|
1307 |
return(($value === NULL) ? 'NULL' : strval(round(doubleval($value)*$this->decimal_factor)));
|
|
|
1308 |
}
|
|
|
1309 |
|
|
|
1310 |
// }}}
|
|
|
1311 |
// {{{ nextId()
|
|
|
1312 |
|
|
|
1313 |
/**
|
|
|
1314 |
* returns the next free id of a sequence
|
|
|
1315 |
*
|
|
|
1316 |
* @param string $seq_name name of the sequence
|
|
|
1317 |
* @param boolean $ondemand when true the seqence is
|
|
|
1318 |
* automatic created, if it
|
|
|
1319 |
* not exists
|
|
|
1320 |
*
|
|
|
1321 |
* @return mixed MDB_Error or id
|
|
|
1322 |
* @access public
|
|
|
1323 |
*/
|
|
|
1324 |
function nextId($seq_name, $ondemand = TRUE)
|
|
|
1325 |
{
|
|
|
1326 |
$sequence_name = $this->getSequenceName($seq_name);
|
|
|
1327 |
$this->expectError(MDB_ERROR_NOSUCHTABLE);
|
|
|
1328 |
$result = $this->query("INSERT INTO $sequence_name ("
|
|
|
1329 |
.$this->options['sequence_col_name'].") VALUES (NULL)");
|
|
|
1330 |
$this->popExpect();
|
|
|
1331 |
if ($ondemand && MDB::isError($result) &&
|
|
|
1332 |
$result->getCode() == MDB_ERROR_NOSUCHTABLE)
|
|
|
1333 |
{
|
|
|
1334 |
// Since we are create the sequence on demand
|
|
|
1335 |
// we know the first id = 1 so initialize the
|
|
|
1336 |
// sequence at 2
|
|
|
1337 |
$result = $this->createSequence($seq_name, 2);
|
|
|
1338 |
if (MDB::isError($result)) {
|
|
|
1339 |
return($this->raiseError(MDB_ERROR, NULL, NULL,
|
|
|
1340 |
'Next ID: on demand sequence could not be created'));
|
|
|
1341 |
} else {
|
|
|
1342 |
// First ID of a newly created sequence is 1
|
|
|
1343 |
return(1);
|
|
|
1344 |
}
|
|
|
1345 |
}
|
|
|
1346 |
$value = intval(@mysql_insert_id($this->connection));
|
|
|
1347 |
$res = $this->query("DELETE FROM $sequence_name WHERE "
|
|
|
1348 |
.$this->options['sequence_col_name']." < $value");
|
|
|
1349 |
if (MDB::isError($res)) {
|
|
|
1350 |
$this->warnings[] = 'Next ID: could not delete previous sequence table values';
|
|
|
1351 |
}
|
|
|
1352 |
return($value);
|
|
|
1353 |
}
|
|
|
1354 |
|
|
|
1355 |
|
|
|
1356 |
// }}}
|
|
|
1357 |
// {{{ currId()
|
|
|
1358 |
|
|
|
1359 |
/**
|
|
|
1360 |
* returns the current id of a sequence
|
|
|
1361 |
*
|
|
|
1362 |
* @param string $seq_name name of the sequence
|
|
|
1363 |
* @return mixed MDB_Error or id
|
|
|
1364 |
* @access public
|
|
|
1365 |
*/
|
|
|
1366 |
function currId($seq_name)
|
|
|
1367 |
{
|
|
|
1368 |
$sequence_name = $this->getSequenceName($seq_name);
|
|
|
1369 |
$result = $this->query("SELECT MAX(".$this->options['sequence_col_name'].") FROM $sequence_name", 'integer');
|
|
|
1370 |
if (MDB::isError($result)) {
|
|
|
1371 |
return($result);
|
|
|
1372 |
}
|
|
|
1373 |
|
|
|
1374 |
return($this->fetchOne($result));
|
|
|
1375 |
}
|
|
|
1376 |
|
|
|
1377 |
// }}}
|
|
|
1378 |
// {{{ fetchInto()
|
|
|
1379 |
|
|
|
1380 |
/**
|
|
|
1381 |
* Fetch a row and insert the data into an existing array.
|
|
|
1382 |
*
|
|
|
1383 |
* @param resource $result result identifier
|
|
|
1384 |
* @param int $fetchmode how the array data should be indexed
|
|
|
1385 |
* @param int $rownum the row number to fetch
|
|
|
1386 |
* @return int data array on success, a MDB error on failure
|
|
|
1387 |
* @access public
|
|
|
1388 |
*/
|
|
|
1389 |
function fetchInto($result, $fetchmode = MDB_FETCHMODE_DEFAULT, $rownum = NULL)
|
|
|
1390 |
{
|
|
|
1391 |
$result_value = intval($result);
|
|
|
1392 |
if ($rownum == NULL) {
|
|
|
1393 |
++$this->highest_fetched_row[$result_value];
|
|
|
1394 |
} else {
|
|
|
1395 |
if (!@mysql_data_seek($result, $rownum)) {
|
|
|
1396 |
return(NULL);
|
|
|
1397 |
}
|
|
|
1398 |
$this->highest_fetched_row[$result_value] =
|
|
|
1399 |
max($this->highest_fetched_row[$result_value], $rownum);
|
|
|
1400 |
}
|
|
|
1401 |
if ($fetchmode == MDB_FETCHMODE_DEFAULT) {
|
|
|
1402 |
$fetchmode = $this->fetchmode;
|
|
|
1403 |
}
|
|
|
1404 |
if ($fetchmode & MDB_FETCHMODE_ASSOC) {
|
|
|
1405 |
$row = @mysql_fetch_assoc($result);
|
|
|
1406 |
if (is_array($row) && $this->options['optimize'] == 'portability') {
|
|
|
1407 |
$row = array_change_key_case($row, CASE_LOWER);
|
|
|
1408 |
}
|
|
|
1409 |
} else {
|
|
|
1410 |
$row = @mysql_fetch_row($result);
|
|
|
1411 |
}
|
|
|
1412 |
if (!$row) {
|
|
|
1413 |
if($this->options['autofree']) {
|
|
|
1414 |
$this->freeResult($result);
|
|
|
1415 |
}
|
|
|
1416 |
return(NULL);
|
|
|
1417 |
}
|
|
|
1418 |
if (isset($this->result_types[$result_value])) {
|
|
|
1419 |
$row = $this->convertResultRow($result, $row);
|
|
|
1420 |
}
|
|
|
1421 |
return($row);
|
|
|
1422 |
}
|
|
|
1423 |
|
|
|
1424 |
// }}}
|
|
|
1425 |
// {{{ nextResult()
|
|
|
1426 |
|
|
|
1427 |
/**
|
|
|
1428 |
* Move the internal mysql result pointer to the next available result
|
|
|
1429 |
* Currently not supported
|
|
|
1430 |
*
|
|
|
1431 |
* @param a valid result resource
|
|
|
1432 |
* @return true if a result is available otherwise return false
|
|
|
1433 |
* @access public
|
|
|
1434 |
*/
|
|
|
1435 |
function nextResult($result)
|
|
|
1436 |
{
|
|
|
1437 |
return(FALSE);
|
|
|
1438 |
}
|
|
|
1439 |
|
|
|
1440 |
// }}}
|
|
|
1441 |
// {{{ tableInfo()
|
|
|
1442 |
|
|
|
1443 |
/**
|
|
|
1444 |
* returns meta data about the result set
|
|
|
1445 |
*
|
|
|
1446 |
* @param resource $result result identifier
|
|
|
1447 |
* @param mixed $mode depends on implementation
|
|
|
1448 |
* @return array an nested array, or a MDB error
|
|
|
1449 |
* @access public
|
|
|
1450 |
*/
|
|
|
1451 |
function tableInfo($result, $mode = NULL) {
|
|
|
1452 |
$count = 0;
|
|
|
1453 |
$id = 0;
|
|
|
1454 |
$res = array();
|
|
|
1455 |
|
|
|
1456 |
/*
|
|
|
1457 |
* depending on $mode, metadata returns the following values:
|
|
|
1458 |
*
|
|
|
1459 |
* - mode is false (default):
|
|
|
1460 |
* $result[]:
|
|
|
1461 |
* [0]['table'] table name
|
|
|
1462 |
* [0]['name'] field name
|
|
|
1463 |
* [0]['type'] field type
|
|
|
1464 |
* [0]['len'] field length
|
|
|
1465 |
* [0]['flags'] field flags
|
|
|
1466 |
*
|
|
|
1467 |
* - mode is MDB_TABLEINFO_ORDER
|
|
|
1468 |
* $result[]:
|
|
|
1469 |
* ['num_fields'] number of metadata records
|
|
|
1470 |
* [0]['table'] table name
|
|
|
1471 |
* [0]['name'] field name
|
|
|
1472 |
* [0]['type'] field type
|
|
|
1473 |
* [0]['len'] field length
|
|
|
1474 |
* [0]['flags'] field flags
|
|
|
1475 |
* ['order'][field name] index of field named "field name"
|
|
|
1476 |
* The last one is used, if you have a field name, but no index.
|
|
|
1477 |
* Test: if (isset($result['meta']['myfield'])) { ...
|
|
|
1478 |
*
|
|
|
1479 |
* - mode is MDB_TABLEINFO_ORDERTABLE
|
|
|
1480 |
* the same as above. but additionally
|
|
|
1481 |
* ['ordertable'][table name][field name] index of field
|
|
|
1482 |
* named 'field name'
|
|
|
1483 |
*
|
|
|
1484 |
* this is, because if you have fields from different
|
|
|
1485 |
* tables with the same field name * they override each
|
|
|
1486 |
* other with MDB_TABLEINFO_ORDER
|
|
|
1487 |
*
|
|
|
1488 |
* you can combine MDB_TABLEINFO_ORDER and
|
|
|
1489 |
* MDB_TABLEINFO_ORDERTABLE with MDB_TABLEINFO_ORDER |
|
|
|
1490 |
* MDB_TABLEINFO_ORDERTABLE * or with MDB_TABLEINFO_FULL
|
|
|
1491 |
*/
|
|
|
1492 |
|
|
|
1493 |
// if $result is a string, then we want information about a
|
|
|
1494 |
// table without a resultset
|
|
|
1495 |
if (is_string($result)) {
|
|
|
1496 |
if (MDB::isError($connect = $this->connect())) {
|
|
|
1497 |
return $connect;
|
|
|
1498 |
}
|
|
|
1499 |
$id = @mysql_list_fields($this->database_name,
|
|
|
1500 |
$result, $this->connection);
|
|
|
1501 |
if (empty($id)) {
|
|
|
1502 |
return($this->mysqlRaiseError());
|
|
|
1503 |
}
|
|
|
1504 |
} else { // else we want information about a resultset
|
|
|
1505 |
$id = $result;
|
|
|
1506 |
if (empty($id)) {
|
|
|
1507 |
return($this->mysqlRaiseError());
|
|
|
1508 |
}
|
|
|
1509 |
}
|
|
|
1510 |
|
|
|
1511 |
$count = @mysql_num_fields($id);
|
|
|
1512 |
|
|
|
1513 |
// made this IF due to performance (one if is faster than $count if's)
|
|
|
1514 |
if (empty($mode)) {
|
|
|
1515 |
for ($i = 0, $j = 0; $i<$count; $i++) {
|
|
|
1516 |
$name = @mysql_field_name($id, $i);
|
|
|
1517 |
if ($name != 'dummy_primary_key') {
|
|
|
1518 |
$res[$j]['table'] = @mysql_field_table($id, $i);
|
|
|
1519 |
$res[$j]['name'] = $name;
|
|
|
1520 |
$res[$j]['type'] = @mysql_field_type($id, $i);
|
|
|
1521 |
$res[$j]['len'] = @mysql_field_len($id, $i);
|
|
|
1522 |
$res[$j]['flags'] = @mysql_field_flags($id, $i);
|
|
|
1523 |
$j++;
|
|
|
1524 |
}
|
|
|
1525 |
}
|
|
|
1526 |
} else { // full
|
|
|
1527 |
$res['num_fields'] = $count;
|
|
|
1528 |
|
|
|
1529 |
for ($i = 0; $i<$count; $i++) {
|
|
|
1530 |
$name = @mysql_field_name($id, $i);
|
|
|
1531 |
if ($name != 'dummy_primary_key') {
|
|
|
1532 |
$res[$j]['table'] = @mysql_field_table($id, $i);
|
|
|
1533 |
$res[$j]['name'] = $name;
|
|
|
1534 |
$res[$j]['type'] = @mysql_field_type($id, $i);
|
|
|
1535 |
$res[$j]['len'] = @mysql_field_len($id, $i);
|
|
|
1536 |
$res[$j]['flags'] = @mysql_field_flags($id, $i);
|
|
|
1537 |
if ($mode & MDB_TABLEINFO_ORDER) {
|
|
|
1538 |
// note sure if this should be $i or $j
|
|
|
1539 |
$res['order'][$res[$j]['name']] = $i;
|
|
|
1540 |
}
|
|
|
1541 |
if ($mode & MDB_TABLEINFO_ORDERTABLE) {
|
|
|
1542 |
$res['ordertable'][$res[$j]['table']][$res[$j]['name']] = $j;
|
|
|
1543 |
}
|
|
|
1544 |
$j++;
|
|
|
1545 |
}
|
|
|
1546 |
}
|
|
|
1547 |
}
|
|
|
1548 |
|
|
|
1549 |
// free the result only if we were called on a table
|
|
|
1550 |
if (is_string($result)) {
|
|
|
1551 |
@mysql_free_result($id);
|
|
|
1552 |
}
|
|
|
1553 |
return($res);
|
|
|
1554 |
}
|
|
|
1555 |
}
|
|
|
1556 |
|
|
|
1557 |
?>
|