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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) 1998-2007 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: MDB2.php,v 1.292 2007/04/25 09:31:01 quipo Exp $
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//
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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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require_once 'PEAR.php';
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// {{{ Error constants
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/**
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* The method mapErrorCode in each MDB2_dbtype implementation maps
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* native error codes to one of these.
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*
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* If you add an error code here, make sure you also add a textual
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* version of it in MDB2::errorMessage().
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*/
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define('MDB2_OK', true);
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define('MDB2_ERROR', -1);
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define('MDB2_ERROR_SYNTAX', -2);
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define('MDB2_ERROR_CONSTRAINT', -3);
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define('MDB2_ERROR_NOT_FOUND', -4);
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define('MDB2_ERROR_ALREADY_EXISTS', -5);
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define('MDB2_ERROR_UNSUPPORTED', -6);
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define('MDB2_ERROR_MISMATCH', -7);
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define('MDB2_ERROR_INVALID', -8);
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define('MDB2_ERROR_NOT_CAPABLE', -9);
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define('MDB2_ERROR_TRUNCATED', -10);
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define('MDB2_ERROR_INVALID_NUMBER', -11);
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define('MDB2_ERROR_INVALID_DATE', -12);
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define('MDB2_ERROR_DIVZERO', -13);
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define('MDB2_ERROR_NODBSELECTED', -14);
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define('MDB2_ERROR_CANNOT_CREATE', -15);
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define('MDB2_ERROR_CANNOT_DELETE', -16);
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define('MDB2_ERROR_CANNOT_DROP', -17);
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define('MDB2_ERROR_NOSUCHTABLE', -18);
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define('MDB2_ERROR_NOSUCHFIELD', -19);
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define('MDB2_ERROR_NEED_MORE_DATA', -20);
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define('MDB2_ERROR_NOT_LOCKED', -21);
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define('MDB2_ERROR_VALUE_COUNT_ON_ROW', -22);
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define('MDB2_ERROR_INVALID_DSN', -23);
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define('MDB2_ERROR_CONNECT_FAILED', -24);
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define('MDB2_ERROR_EXTENSION_NOT_FOUND',-25);
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define('MDB2_ERROR_NOSUCHDB', -26);
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define('MDB2_ERROR_ACCESS_VIOLATION', -27);
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define('MDB2_ERROR_CANNOT_REPLACE', -28);
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define('MDB2_ERROR_CONSTRAINT_NOT_NULL',-29);
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define('MDB2_ERROR_DEADLOCK', -30);
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define('MDB2_ERROR_CANNOT_ALTER', -31);
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define('MDB2_ERROR_MANAGER', -32);
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define('MDB2_ERROR_MANAGER_PARSE', -33);
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define('MDB2_ERROR_LOADMODULE', -34);
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define('MDB2_ERROR_INSUFFICIENT_DATA', -35);
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// }}}
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// {{{ Verbose constants
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/**
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* These are just helper constants to more verbosely express parameters to prepare()
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*/
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define('MDB2_PREPARE_MANIP', false);
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define('MDB2_PREPARE_RESULT', null);
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// }}}
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// {{{ Fetchmode constants
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/**
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* This is a special constant that tells MDB2 the user hasn't specified
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* any particular get mode, so the default should be used.
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*/
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define('MDB2_FETCHMODE_DEFAULT', 0);
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/**
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* Column data indexed by numbers, ordered from 0 and up
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*/
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define('MDB2_FETCHMODE_ORDERED', 1);
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/**
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* Column data indexed by column names
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*/
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define('MDB2_FETCHMODE_ASSOC', 2);
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/**
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* Column data as object properties
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*/
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define('MDB2_FETCHMODE_OBJECT', 3);
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/**
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* For multi-dimensional results: normally the first level of arrays
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* is the row number, and the second level indexed by column number or name.
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* MDB2_FETCHMODE_FLIPPED switches this order, so the first level of arrays
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* is the column name, and the second level the row number.
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*/
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define('MDB2_FETCHMODE_FLIPPED', 4);
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// }}}
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// {{{ Portability mode constants
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/**
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* Portability: turn off all portability features.
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* @see MDB2_Driver_Common::setOption()
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*/
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define('MDB2_PORTABILITY_NONE', 0);
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/**
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* Portability: convert names of tables and fields to case defined in the
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* "field_case" option when using the query*(), fetch*() and tableInfo() methods.
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* @see MDB2_Driver_Common::setOption()
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*/
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define('MDB2_PORTABILITY_FIX_CASE', 1);
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/**
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* Portability: right trim the data output by query*() and fetch*().
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* @see MDB2_Driver_Common::setOption()
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*/
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define('MDB2_PORTABILITY_RTRIM', 2);
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/**
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* Portability: force reporting the number of rows deleted.
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* @see MDB2_Driver_Common::setOption()
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*/
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define('MDB2_PORTABILITY_DELETE_COUNT', 4);
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/**
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* Portability: not needed in MDB2 (just left here for compatibility to DB)
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* @see MDB2_Driver_Common::setOption()
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*/
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define('MDB2_PORTABILITY_NUMROWS', 8);
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/**
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* Portability: makes certain error messages in certain drivers compatible
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* with those from other DBMS's.
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*
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* + mysql, mysqli: change unique/primary key constraints
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* MDB2_ERROR_ALREADY_EXISTS -> MDB2_ERROR_CONSTRAINT
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*
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* + odbc(access): MS's ODBC driver reports 'no such field' as code
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* 07001, which means 'too few parameters.' When this option is on
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* that code gets mapped to MDB2_ERROR_NOSUCHFIELD.
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*
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* @see MDB2_Driver_Common::setOption()
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*/
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define('MDB2_PORTABILITY_ERRORS', 16);
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/**
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* Portability: convert empty values to null strings in data output by
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* query*() and fetch*().
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* @see MDB2_Driver_Common::setOption()
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*/
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define('MDB2_PORTABILITY_EMPTY_TO_NULL', 32);
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/**
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* Portability: removes database/table qualifiers from associative indexes
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* @see MDB2_Driver_Common::setOption()
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*/
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define('MDB2_PORTABILITY_FIX_ASSOC_FIELD_NAMES', 64);
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/**
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* Portability: turn on all portability features.
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* @see MDB2_Driver_Common::setOption()
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*/
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define('MDB2_PORTABILITY_ALL', 127);
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// }}}
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// {{{ Globals for class instance tracking
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/**
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* These are global variables that are used to track the various class instances
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*/
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$GLOBALS['_MDB2_databases'] = array();
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$GLOBALS['_MDB2_dsninfo_default'] = array(
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'phptype' => false,
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'dbsyntax' => false,
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'username' => false,
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'password' => false,
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'protocol' => false,
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'hostspec' => false,
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'port' => false,
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'socket' => false,
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'database' => false,
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'mode' => false,
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);
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// }}}
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// {{{ class MDB2
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/**
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* The main 'MDB2' class is simply a container class with some static
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* methods for creating DB objects as well as some utility functions
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* common to all parts of DB.
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*
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* The object model of MDB2 is as follows (indentation means inheritance):
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*
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* MDB2 The main MDB2 class. This is simply a utility class
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* with some 'static' methods for creating MDB2 objects as
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* well as common utility functions for other MDB2 classes.
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*
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* MDB2_Driver_Common The base for each MDB2 implementation. Provides default
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* | implementations (in OO lingo virtual methods) for
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* | the actual DB implementations as well as a bunch of
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* | query utility functions.
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* |
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* +-MDB2_Driver_mysql The MDB2 implementation for MySQL. Inherits MDB2_Driver_Common.
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* When calling MDB2::factory or MDB2::connect for MySQL
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* connections, the object returned is an instance of this
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* class.
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* +-MDB2_Driver_pgsql The MDB2 implementation for PostGreSQL. Inherits MDB2_Driver_Common.
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* When calling MDB2::factory or MDB2::connect for PostGreSQL
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* connections, the object returned is an instance of this
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* class.
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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
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{
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// {{{ function setOptions(&$db, $options)
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/**
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* set option array in an exiting database object
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*
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* @param MDB2_Driver_Common MDB2 object
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* @param array An associative array of option names and their values.
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*
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* @return mixed MDB2_OK or a PEAR Error object
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*
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* @access public
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*/
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function setOptions(&$db, $options)
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{
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if (is_array($options)) {
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foreach ($options as $option => $value) {
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$test = $db->setOption($option, $value);
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if (PEAR::isError($test)) {
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return $test;
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}
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}
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}
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return MDB2_OK;
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}
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// }}}
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// {{{ function classExists($classname)
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/**
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* Checks if a class exists without triggering __autoload
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*
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* @param string classname
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*
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* @return bool true success and false on error
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* @static
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* @access public
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*/
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function classExists($classname)
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{
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if (version_compare(phpversion(), "5.0", ">=")) {
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return class_exists($classname, false);
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}
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return class_exists($classname);
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}
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// }}}
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// {{{ function loadClass($class_name, $debug)
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/**
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* Loads a PEAR class.
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*
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* @param string classname to load
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* @param bool if errors should be suppressed
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*
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* @return mixed true success or PEAR_Error on failure
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*
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* @access public
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*/
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function loadClass($class_name, $debug)
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{
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if (!MDB2::classExists($class_name)) {
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$file_name = str_replace('_', DIRECTORY_SEPARATOR, $class_name).'.php';
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if ($debug) {
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$include = include_once($file_name);
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} else {
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$include = @include_once($file_name);
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}
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if (!$include) {
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if (!MDB2::fileExists($file_name)) {
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$msg = "unable to find package '$class_name' file '$file_name'";
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} else {
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$msg = "unable to load class '$class_name' from file '$file_name'";
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}
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$err =& MDB2::raiseError(MDB2_ERROR_NOT_FOUND, null, null, $msg);
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return $err;
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}
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}
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return MDB2_OK;
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}
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// }}}
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// {{{ function &factory($dsn, $options = false)
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349 |
|
|
|
350 |
/**
|
|
|
351 |
* Create a new MDB2 object for the specified database type
|
|
|
352 |
*
|
|
|
353 |
* IMPORTANT: In order for MDB2 to work properly it is necessary that
|
|
|
354 |
* you make sure that you work with a reference of the original
|
|
|
355 |
* object instead of a copy (this is a PHP4 quirk).
|
|
|
356 |
*
|
|
|
357 |
* For example:
|
|
|
358 |
* $db =& MDB2::factory($dsn);
|
|
|
359 |
* ^^
|
|
|
360 |
* And not:
|
|
|
361 |
* $db = MDB2::factory($dsn);
|
|
|
362 |
*
|
|
|
363 |
* @param mixed 'data source name', see the MDB2::parseDSN
|
|
|
364 |
* method for a description of the dsn format.
|
|
|
365 |
* Can also be specified as an array of the
|
|
|
366 |
* format returned by MDB2::parseDSN.
|
|
|
367 |
* @param array An associative array of option names and
|
|
|
368 |
* their values.
|
|
|
369 |
*
|
|
|
370 |
* @return mixed a newly created MDB2 object, or false on error
|
|
|
371 |
*
|
|
|
372 |
* @access public
|
|
|
373 |
*/
|
|
|
374 |
function &factory($dsn, $options = false)
|
|
|
375 |
{
|
|
|
376 |
$dsninfo = MDB2::parseDSN($dsn);
|
|
|
377 |
if (empty($dsninfo['phptype'])) {
|
|
|
378 |
$err =& MDB2::raiseError(MDB2_ERROR_NOT_FOUND,
|
|
|
379 |
null, null, 'no RDBMS driver specified');
|
|
|
380 |
return $err;
|
|
|
381 |
}
|
|
|
382 |
$class_name = 'MDB2_Driver_'.$dsninfo['phptype'];
|
|
|
383 |
|
|
|
384 |
$debug = (!empty($options['debug']));
|
|
|
385 |
$err = MDB2::loadClass($class_name, $debug);
|
|
|
386 |
if (PEAR::isError($err)) {
|
|
|
387 |
return $err;
|
|
|
388 |
}
|
|
|
389 |
|
|
|
390 |
$db =& new $class_name();
|
|
|
391 |
$db->setDSN($dsninfo);
|
|
|
392 |
$err = MDB2::setOptions($db, $options);
|
|
|
393 |
if (PEAR::isError($err)) {
|
|
|
394 |
return $err;
|
|
|
395 |
}
|
|
|
396 |
|
|
|
397 |
return $db;
|
|
|
398 |
}
|
|
|
399 |
|
|
|
400 |
// }}}
|
|
|
401 |
// {{{ function &connect($dsn, $options = false)
|
|
|
402 |
|
|
|
403 |
/**
|
|
|
404 |
* Create a new MDB2 connection object and connect to the specified
|
|
|
405 |
* database
|
|
|
406 |
*
|
|
|
407 |
* IMPORTANT: In order for MDB2 to work properly it is necessary that
|
|
|
408 |
* you make sure that you work with a reference of the original
|
|
|
409 |
* object instead of a copy (this is a PHP4 quirk).
|
|
|
410 |
*
|
|
|
411 |
* For example:
|
|
|
412 |
* $db =& MDB2::connect($dsn);
|
|
|
413 |
* ^^
|
|
|
414 |
* And not:
|
|
|
415 |
* $db = MDB2::connect($dsn);
|
|
|
416 |
* ^^
|
|
|
417 |
*
|
|
|
418 |
* @param mixed 'data source name', see the MDB2::parseDSN
|
|
|
419 |
* method for a description of the dsn format.
|
|
|
420 |
* Can also be specified as an array of the
|
|
|
421 |
* format returned by MDB2::parseDSN.
|
|
|
422 |
* @param array An associative array of option names and
|
|
|
423 |
* their values.
|
|
|
424 |
*
|
|
|
425 |
* @return mixed a newly created MDB2 connection object, or a MDB2
|
|
|
426 |
* error object on error
|
|
|
427 |
*
|
|
|
428 |
* @access public
|
|
|
429 |
* @see MDB2::parseDSN
|
|
|
430 |
*/
|
|
|
431 |
function &connect($dsn, $options = false)
|
|
|
432 |
{
|
|
|
433 |
$db =& MDB2::factory($dsn, $options);
|
|
|
434 |
if (PEAR::isError($db)) {
|
|
|
435 |
return $db;
|
|
|
436 |
}
|
|
|
437 |
|
|
|
438 |
$err = $db->connect();
|
|
|
439 |
if (PEAR::isError($err)) {
|
|
|
440 |
$dsn = $db->getDSN('string', 'xxx');
|
|
|
441 |
$db->disconnect();
|
|
|
442 |
$err->addUserInfo($dsn);
|
|
|
443 |
return $err;
|
|
|
444 |
}
|
|
|
445 |
|
|
|
446 |
return $db;
|
|
|
447 |
}
|
|
|
448 |
|
|
|
449 |
// }}}
|
|
|
450 |
// {{{ function &singleton($dsn = null, $options = false)
|
|
|
451 |
|
|
|
452 |
/**
|
|
|
453 |
* Returns a MDB2 connection with the requested DSN.
|
|
|
454 |
* A new MDB2 connection object is only created if no object with the
|
|
|
455 |
* requested DSN exists yet.
|
|
|
456 |
*
|
|
|
457 |
* IMPORTANT: In order for MDB2 to work properly it is necessary that
|
|
|
458 |
* you make sure that you work with a reference of the original
|
|
|
459 |
* object instead of a copy (this is a PHP4 quirk).
|
|
|
460 |
*
|
|
|
461 |
* For example:
|
|
|
462 |
* $db =& MDB2::singleton($dsn);
|
|
|
463 |
* ^^
|
|
|
464 |
* And not:
|
|
|
465 |
* $db = MDB2::singleton($dsn);
|
|
|
466 |
* ^^
|
|
|
467 |
*
|
|
|
468 |
* @param mixed 'data source name', see the MDB2::parseDSN
|
|
|
469 |
* method for a description of the dsn format.
|
|
|
470 |
* Can also be specified as an array of the
|
|
|
471 |
* format returned by MDB2::parseDSN.
|
|
|
472 |
* @param array An associative array of option names and
|
|
|
473 |
* their values.
|
|
|
474 |
*
|
|
|
475 |
* @return mixed a newly created MDB2 connection object, or a MDB2
|
|
|
476 |
* error object on error
|
|
|
477 |
*
|
|
|
478 |
* @access public
|
|
|
479 |
* @see MDB2::parseDSN
|
|
|
480 |
*/
|
|
|
481 |
function &singleton($dsn = null, $options = false)
|
|
|
482 |
{
|
|
|
483 |
if ($dsn) {
|
|
|
484 |
$dsninfo = MDB2::parseDSN($dsn);
|
|
|
485 |
$dsninfo = array_merge($GLOBALS['_MDB2_dsninfo_default'], $dsninfo);
|
|
|
486 |
$keys = array_keys($GLOBALS['_MDB2_databases']);
|
|
|
487 |
for ($i=0, $j=count($keys); $i<$j; ++$i) {
|
|
|
488 |
if (isset($GLOBALS['_MDB2_databases'][$keys[$i]])) {
|
|
|
489 |
$tmp_dsn = $GLOBALS['_MDB2_databases'][$keys[$i]]->getDSN('array');
|
|
|
490 |
if (count(array_diff_assoc($tmp_dsn, $dsninfo)) == 0) {
|
|
|
491 |
MDB2::setOptions($GLOBALS['_MDB2_databases'][$keys[$i]], $options);
|
|
|
492 |
return $GLOBALS['_MDB2_databases'][$keys[$i]];
|
|
|
493 |
}
|
|
|
494 |
}
|
|
|
495 |
}
|
|
|
496 |
} elseif (is_array($GLOBALS['_MDB2_databases']) && reset($GLOBALS['_MDB2_databases'])) {
|
|
|
497 |
$db =& $GLOBALS['_MDB2_databases'][key($GLOBALS['_MDB2_databases'])];
|
|
|
498 |
return $db;
|
|
|
499 |
}
|
|
|
500 |
$db =& MDB2::factory($dsn, $options);
|
|
|
501 |
return $db;
|
|
|
502 |
}
|
|
|
503 |
|
|
|
504 |
// }}}
|
|
|
505 |
// {{{ function loadFile($file)
|
|
|
506 |
|
|
|
507 |
/**
|
|
|
508 |
* load a file (like 'Date')
|
|
|
509 |
*
|
|
|
510 |
* @param string name of the file in the MDB2 directory (without '.php')
|
|
|
511 |
*
|
|
|
512 |
* @return string name of the file that was included
|
|
|
513 |
*
|
|
|
514 |
* @access public
|
|
|
515 |
*/
|
|
|
516 |
function loadFile($file)
|
|
|
517 |
{
|
|
|
518 |
$file_name = 'MDB2'.DIRECTORY_SEPARATOR.$file.'.php';
|
|
|
519 |
if (!MDB2::fileExists($file_name)) {
|
|
|
520 |
return MDB2::raiseError(MDB2_ERROR_NOT_FOUND, null, null,
|
|
|
521 |
'unable to find: '.$file_name);
|
|
|
522 |
}
|
|
|
523 |
if (!include_once($file_name)) {
|
|
|
524 |
return MDB2::raiseError(MDB2_ERROR_NOT_FOUND, null, null,
|
|
|
525 |
'unable to load driver class: '.$file_name);
|
|
|
526 |
}
|
|
|
527 |
return $file_name;
|
|
|
528 |
}
|
|
|
529 |
|
|
|
530 |
// }}}
|
|
|
531 |
// {{{ function apiVersion()
|
|
|
532 |
|
|
|
533 |
/**
|
|
|
534 |
* Return the MDB2 API version
|
|
|
535 |
*
|
|
|
536 |
* @return string the MDB2 API version number
|
|
|
537 |
*
|
|
|
538 |
* @access public
|
|
|
539 |
*/
|
|
|
540 |
function apiVersion()
|
|
|
541 |
{
|
|
|
542 |
return '2.4.1';
|
|
|
543 |
}
|
|
|
544 |
|
|
|
545 |
// }}}
|
|
|
546 |
// {{{ function &raiseError($code = null, $mode = null, $options = null, $userinfo = null)
|
|
|
547 |
|
|
|
548 |
/**
|
|
|
549 |
* This method is used to communicate an error and invoke error
|
|
|
550 |
* callbacks etc. Basically a wrapper for PEAR::raiseError
|
|
|
551 |
* without the message string.
|
|
|
552 |
*
|
|
|
553 |
* @param mixed int error code
|
|
|
554 |
*
|
|
|
555 |
* @param int error mode, see PEAR_Error docs
|
|
|
556 |
*
|
|
|
557 |
* @param mixed If error mode is PEAR_ERROR_TRIGGER, this is the
|
|
|
558 |
* error level (E_USER_NOTICE etc). If error mode is
|
|
|
559 |
* PEAR_ERROR_CALLBACK, this is the callback function,
|
|
|
560 |
* either as a function name, or as an array of an
|
|
|
561 |
* object and method name. For other error modes this
|
|
|
562 |
* parameter is ignored.
|
|
|
563 |
*
|
|
|
564 |
* @param string Extra debug information. Defaults to the last
|
|
|
565 |
* query and native error code.
|
|
|
566 |
*
|
|
|
567 |
* @return PEAR_Error instance of a PEAR Error object
|
|
|
568 |
*
|
|
|
569 |
* @access private
|
|
|
570 |
* @see PEAR_Error
|
|
|
571 |
*/
|
|
|
572 |
function &raiseError($code = null, $mode = null, $options = null, $userinfo = null)
|
|
|
573 |
{
|
|
|
574 |
$err =& PEAR::raiseError(null, $code, $mode, $options, $userinfo, 'MDB2_Error', true);
|
|
|
575 |
return $err;
|
|
|
576 |
}
|
|
|
577 |
|
|
|
578 |
// }}}
|
|
|
579 |
// {{{ function isError($data, $code = null)
|
|
|
580 |
|
|
|
581 |
/**
|
|
|
582 |
* Tell whether a value is a MDB2 error.
|
|
|
583 |
*
|
|
|
584 |
* @param mixed the value to test
|
|
|
585 |
* @param int if is an error object, return true
|
|
|
586 |
* only if $code is a string and
|
|
|
587 |
* $db->getMessage() == $code or
|
|
|
588 |
* $code is an integer and $db->getCode() == $code
|
|
|
589 |
*
|
|
|
590 |
* @return bool true if parameter is an error
|
|
|
591 |
*
|
|
|
592 |
* @access public
|
|
|
593 |
*/
|
|
|
594 |
function isError($data, $code = null)
|
|
|
595 |
{
|
|
|
596 |
if (is_a($data, 'MDB2_Error')) {
|
|
|
597 |
if (is_null($code)) {
|
|
|
598 |
return true;
|
|
|
599 |
} elseif (is_string($code)) {
|
|
|
600 |
return $data->getMessage() === $code;
|
|
|
601 |
} else {
|
|
|
602 |
$code = (array)$code;
|
|
|
603 |
return in_array($data->getCode(), $code);
|
|
|
604 |
}
|
|
|
605 |
}
|
|
|
606 |
return false;
|
|
|
607 |
}
|
|
|
608 |
|
|
|
609 |
// }}}
|
|
|
610 |
// {{{ function isConnection($value)
|
|
|
611 |
|
|
|
612 |
/**
|
|
|
613 |
* Tell whether a value is a MDB2 connection
|
|
|
614 |
*
|
|
|
615 |
* @param mixed value to test
|
|
|
616 |
*
|
|
|
617 |
* @return bool whether $value is a MDB2 connection
|
|
|
618 |
*
|
|
|
619 |
* @access public
|
|
|
620 |
*/
|
|
|
621 |
function isConnection($value)
|
|
|
622 |
{
|
|
|
623 |
return is_a($value, 'MDB2_Driver_Common');
|
|
|
624 |
}
|
|
|
625 |
|
|
|
626 |
// }}}
|
|
|
627 |
// {{{ function isResult($value)
|
|
|
628 |
|
|
|
629 |
/**
|
|
|
630 |
* Tell whether a value is a MDB2 result
|
|
|
631 |
*
|
|
|
632 |
* @param mixed value to test
|
|
|
633 |
*
|
|
|
634 |
* @return bool whether $value is a MDB2 result
|
|
|
635 |
*
|
|
|
636 |
* @access public
|
|
|
637 |
*/
|
|
|
638 |
function isResult($value)
|
|
|
639 |
{
|
|
|
640 |
return is_a($value, 'MDB2_Result');
|
|
|
641 |
}
|
|
|
642 |
|
|
|
643 |
// }}}
|
|
|
644 |
// {{{ function isResultCommon($value)
|
|
|
645 |
|
|
|
646 |
/**
|
|
|
647 |
* Tell whether a value is a MDB2 result implementing the common interface
|
|
|
648 |
*
|
|
|
649 |
* @param mixed value to test
|
|
|
650 |
*
|
|
|
651 |
* @return bool whether $value is a MDB2 result implementing the common interface
|
|
|
652 |
*
|
|
|
653 |
* @access public
|
|
|
654 |
*/
|
|
|
655 |
function isResultCommon($value)
|
|
|
656 |
{
|
|
|
657 |
return is_a($value, 'MDB2_Result_Common');
|
|
|
658 |
}
|
|
|
659 |
|
|
|
660 |
// }}}
|
|
|
661 |
// {{{ function isStatement($value)
|
|
|
662 |
|
|
|
663 |
/**
|
|
|
664 |
* Tell whether a value is a MDB2 statement interface
|
|
|
665 |
*
|
|
|
666 |
* @param mixed value to test
|
|
|
667 |
*
|
|
|
668 |
* @return bool whether $value is a MDB2 statement interface
|
|
|
669 |
*
|
|
|
670 |
* @access public
|
|
|
671 |
*/
|
|
|
672 |
function isStatement($value)
|
|
|
673 |
{
|
|
|
674 |
return is_a($value, 'MDB2_Statement');
|
|
|
675 |
}
|
|
|
676 |
|
|
|
677 |
// }}}
|
|
|
678 |
// {{{ function errorMessage($value = null)
|
|
|
679 |
|
|
|
680 |
/**
|
|
|
681 |
* Return a textual error message for a MDB2 error code
|
|
|
682 |
*
|
|
|
683 |
* @param int|array integer error code,
|
|
|
684 |
null to get the current error code-message map,
|
|
|
685 |
or an array with a new error code-message map
|
|
|
686 |
*
|
|
|
687 |
* @return string error message, or false if the error code was
|
|
|
688 |
* not recognized
|
|
|
689 |
*
|
|
|
690 |
* @access public
|
|
|
691 |
*/
|
|
|
692 |
function errorMessage($value = null)
|
|
|
693 |
{
|
|
|
694 |
static $errorMessages;
|
|
|
695 |
|
|
|
696 |
if (is_array($value)) {
|
|
|
697 |
$errorMessages = $value;
|
|
|
698 |
return MDB2_OK;
|
|
|
699 |
}
|
|
|
700 |
|
|
|
701 |
if (!isset($errorMessages)) {
|
|
|
702 |
$errorMessages = array(
|
|
|
703 |
MDB2_OK => 'no error',
|
|
|
704 |
MDB2_ERROR => 'unknown error',
|
|
|
705 |
MDB2_ERROR_ALREADY_EXISTS => 'already exists',
|
|
|
706 |
MDB2_ERROR_CANNOT_CREATE => 'can not create',
|
|
|
707 |
MDB2_ERROR_CANNOT_ALTER => 'can not alter',
|
|
|
708 |
MDB2_ERROR_CANNOT_REPLACE => 'can not replace',
|
|
|
709 |
MDB2_ERROR_CANNOT_DELETE => 'can not delete',
|
|
|
710 |
MDB2_ERROR_CANNOT_DROP => 'can not drop',
|
|
|
711 |
MDB2_ERROR_CONSTRAINT => 'constraint violation',
|
|
|
712 |
MDB2_ERROR_CONSTRAINT_NOT_NULL=> 'null value violates not-null constraint',
|
|
|
713 |
MDB2_ERROR_DIVZERO => 'division by zero',
|
|
|
714 |
MDB2_ERROR_INVALID => 'invalid',
|
|
|
715 |
MDB2_ERROR_INVALID_DATE => 'invalid date or time',
|
|
|
716 |
MDB2_ERROR_INVALID_NUMBER => 'invalid number',
|
|
|
717 |
MDB2_ERROR_MISMATCH => 'mismatch',
|
|
|
718 |
MDB2_ERROR_NODBSELECTED => 'no database selected',
|
|
|
719 |
MDB2_ERROR_NOSUCHFIELD => 'no such field',
|
|
|
720 |
MDB2_ERROR_NOSUCHTABLE => 'no such table',
|
|
|
721 |
MDB2_ERROR_NOT_CAPABLE => 'MDB2 backend not capable',
|
|
|
722 |
MDB2_ERROR_NOT_FOUND => 'not found',
|
|
|
723 |
MDB2_ERROR_NOT_LOCKED => 'not locked',
|
|
|
724 |
MDB2_ERROR_SYNTAX => 'syntax error',
|
|
|
725 |
MDB2_ERROR_UNSUPPORTED => 'not supported',
|
|
|
726 |
MDB2_ERROR_VALUE_COUNT_ON_ROW => 'value count on row',
|
|
|
727 |
MDB2_ERROR_INVALID_DSN => 'invalid DSN',
|
|
|
728 |
MDB2_ERROR_CONNECT_FAILED => 'connect failed',
|
|
|
729 |
MDB2_ERROR_NEED_MORE_DATA => 'insufficient data supplied',
|
|
|
730 |
MDB2_ERROR_EXTENSION_NOT_FOUND=> 'extension not found',
|
|
|
731 |
MDB2_ERROR_NOSUCHDB => 'no such database',
|
|
|
732 |
MDB2_ERROR_ACCESS_VIOLATION => 'insufficient permissions',
|
|
|
733 |
MDB2_ERROR_LOADMODULE => 'error while including on demand module',
|
|
|
734 |
MDB2_ERROR_TRUNCATED => 'truncated',
|
|
|
735 |
MDB2_ERROR_DEADLOCK => 'deadlock detected',
|
|
|
736 |
);
|
|
|
737 |
}
|
|
|
738 |
|
|
|
739 |
if (is_null($value)) {
|
|
|
740 |
return $errorMessages;
|
|
|
741 |
}
|
|
|
742 |
|
|
|
743 |
if (PEAR::isError($value)) {
|
|
|
744 |
$value = $value->getCode();
|
|
|
745 |
}
|
|
|
746 |
|
|
|
747 |
return isset($errorMessages[$value]) ?
|
|
|
748 |
$errorMessages[$value] : $errorMessages[MDB2_ERROR];
|
|
|
749 |
}
|
|
|
750 |
|
|
|
751 |
// }}}
|
|
|
752 |
// {{{ function parseDSN($dsn)
|
|
|
753 |
|
|
|
754 |
/**
|
|
|
755 |
* Parse a data source name.
|
|
|
756 |
*
|
|
|
757 |
* Additional keys can be added by appending a URI query string to the
|
|
|
758 |
* end of the DSN.
|
|
|
759 |
*
|
|
|
760 |
* The format of the supplied DSN is in its fullest form:
|
|
|
761 |
* <code>
|
|
|
762 |
* phptype(dbsyntax)://username:password@protocol+hostspec/database?option=8&another=true
|
|
|
763 |
* </code>
|
|
|
764 |
*
|
|
|
765 |
* Most variations are allowed:
|
|
|
766 |
* <code>
|
|
|
767 |
* phptype://username:password@protocol+hostspec:110//usr/db_file.db?mode=0644
|
|
|
768 |
* phptype://username:password@hostspec/database_name
|
|
|
769 |
* phptype://username:password@hostspec
|
|
|
770 |
* phptype://username@hostspec
|
|
|
771 |
* phptype://hostspec/database
|
|
|
772 |
* phptype://hostspec
|
|
|
773 |
* phptype(dbsyntax)
|
|
|
774 |
* phptype
|
|
|
775 |
* </code>
|
|
|
776 |
*
|
|
|
777 |
* @param string Data Source Name to be parsed
|
|
|
778 |
*
|
|
|
779 |
* @return array an associative array with the following keys:
|
|
|
780 |
* + phptype: Database backend used in PHP (mysql, odbc etc.)
|
|
|
781 |
* + dbsyntax: Database used with regards to SQL syntax etc.
|
|
|
782 |
* + protocol: Communication protocol to use (tcp, unix etc.)
|
|
|
783 |
* + hostspec: Host specification (hostname[:port])
|
|
|
784 |
* + database: Database to use on the DBMS server
|
|
|
785 |
* + username: User name for login
|
|
|
786 |
* + password: Password for login
|
|
|
787 |
*
|
|
|
788 |
* @access public
|
|
|
789 |
* @author Tomas V.V.Cox <cox@idecnet.com>
|
|
|
790 |
*/
|
|
|
791 |
function parseDSN($dsn)
|
|
|
792 |
{
|
|
|
793 |
$parsed = $GLOBALS['_MDB2_dsninfo_default'];
|
|
|
794 |
|
|
|
795 |
if (is_array($dsn)) {
|
|
|
796 |
$dsn = array_merge($parsed, $dsn);
|
|
|
797 |
if (!$dsn['dbsyntax']) {
|
|
|
798 |
$dsn['dbsyntax'] = $dsn['phptype'];
|
|
|
799 |
}
|
|
|
800 |
return $dsn;
|
|
|
801 |
}
|
|
|
802 |
|
|
|
803 |
// Find phptype and dbsyntax
|
|
|
804 |
if (($pos = strpos($dsn, '://')) !== false) {
|
|
|
805 |
$str = substr($dsn, 0, $pos);
|
|
|
806 |
$dsn = substr($dsn, $pos + 3);
|
|
|
807 |
} else {
|
|
|
808 |
$str = $dsn;
|
|
|
809 |
$dsn = null;
|
|
|
810 |
}
|
|
|
811 |
|
|
|
812 |
// Get phptype and dbsyntax
|
|
|
813 |
// $str => phptype(dbsyntax)
|
|
|
814 |
if (preg_match('|^(.+?)\((.*?)\)$|', $str, $arr)) {
|
|
|
815 |
$parsed['phptype'] = $arr[1];
|
|
|
816 |
$parsed['dbsyntax'] = !$arr[2] ? $arr[1] : $arr[2];
|
|
|
817 |
} else {
|
|
|
818 |
$parsed['phptype'] = $str;
|
|
|
819 |
$parsed['dbsyntax'] = $str;
|
|
|
820 |
}
|
|
|
821 |
|
|
|
822 |
if (!count($dsn)) {
|
|
|
823 |
return $parsed;
|
|
|
824 |
}
|
|
|
825 |
|
|
|
826 |
// Get (if found): username and password
|
|
|
827 |
// $dsn => username:password@protocol+hostspec/database
|
|
|
828 |
if (($at = strrpos($dsn,'@')) !== false) {
|
|
|
829 |
$str = substr($dsn, 0, $at);
|
|
|
830 |
$dsn = substr($dsn, $at + 1);
|
|
|
831 |
if (($pos = strpos($str, ':')) !== false) {
|
|
|
832 |
$parsed['username'] = rawurldecode(substr($str, 0, $pos));
|
|
|
833 |
$parsed['password'] = rawurldecode(substr($str, $pos + 1));
|
|
|
834 |
} else {
|
|
|
835 |
$parsed['username'] = rawurldecode($str);
|
|
|
836 |
}
|
|
|
837 |
}
|
|
|
838 |
|
|
|
839 |
// Find protocol and hostspec
|
|
|
840 |
|
|
|
841 |
// $dsn => proto(proto_opts)/database
|
|
|
842 |
if (preg_match('|^([^(]+)\((.*?)\)/?(.*?)$|', $dsn, $match)) {
|
|
|
843 |
$proto = $match[1];
|
|
|
844 |
$proto_opts = $match[2] ? $match[2] : false;
|
|
|
845 |
$dsn = $match[3];
|
|
|
846 |
|
|
|
847 |
// $dsn => protocol+hostspec/database (old format)
|
|
|
848 |
} else {
|
|
|
849 |
if (strpos($dsn, '+') !== false) {
|
|
|
850 |
list($proto, $dsn) = explode('+', $dsn, 2);
|
|
|
851 |
}
|
|
|
852 |
if ( strpos($dsn, '//') === 0
|
|
|
853 |
&& strpos($dsn, '/', 2) !== false
|
|
|
854 |
&& $parsed['phptype'] == 'oci8'
|
|
|
855 |
) {
|
|
|
856 |
//oracle's "Easy Connect" syntax:
|
|
|
857 |
//"username/password@[//]host[:port][/service_name]"
|
|
|
858 |
//e.g. "scott/tiger@//mymachine:1521/oracle"
|
|
|
859 |
$proto_opts = $dsn;
|
|
|
860 |
$dsn = null;
|
|
|
861 |
} elseif (strpos($dsn, '/') !== false) {
|
|
|
862 |
list($proto_opts, $dsn) = explode('/', $dsn, 2);
|
|
|
863 |
} else {
|
|
|
864 |
$proto_opts = $dsn;
|
|
|
865 |
$dsn = null;
|
|
|
866 |
}
|
|
|
867 |
}
|
|
|
868 |
|
|
|
869 |
// process the different protocol options
|
|
|
870 |
$parsed['protocol'] = (!empty($proto)) ? $proto : 'tcp';
|
|
|
871 |
$proto_opts = rawurldecode($proto_opts);
|
|
|
872 |
if (strpos($proto_opts, ':') !== false) {
|
|
|
873 |
list($proto_opts, $parsed['port']) = explode(':', $proto_opts);
|
|
|
874 |
}
|
|
|
875 |
if ($parsed['protocol'] == 'tcp') {
|
|
|
876 |
$parsed['hostspec'] = $proto_opts;
|
|
|
877 |
} elseif ($parsed['protocol'] == 'unix') {
|
|
|
878 |
$parsed['socket'] = $proto_opts;
|
|
|
879 |
}
|
|
|
880 |
|
|
|
881 |
// Get dabase if any
|
|
|
882 |
// $dsn => database
|
|
|
883 |
if ($dsn) {
|
|
|
884 |
// /database
|
|
|
885 |
if (($pos = strpos($dsn, '?')) === false) {
|
|
|
886 |
$parsed['database'] = $dsn;
|
|
|
887 |
// /database?param1=value1¶m2=value2
|
|
|
888 |
} else {
|
|
|
889 |
$parsed['database'] = substr($dsn, 0, $pos);
|
|
|
890 |
$dsn = substr($dsn, $pos + 1);
|
|
|
891 |
if (strpos($dsn, '&') !== false) {
|
|
|
892 |
$opts = explode('&', $dsn);
|
|
|
893 |
} else { // database?param1=value1
|
|
|
894 |
$opts = array($dsn);
|
|
|
895 |
}
|
|
|
896 |
foreach ($opts as $opt) {
|
|
|
897 |
list($key, $value) = explode('=', $opt);
|
|
|
898 |
if (!isset($parsed[$key])) {
|
|
|
899 |
// don't allow params overwrite
|
|
|
900 |
$parsed[$key] = rawurldecode($value);
|
|
|
901 |
}
|
|
|
902 |
}
|
|
|
903 |
}
|
|
|
904 |
}
|
|
|
905 |
|
|
|
906 |
return $parsed;
|
|
|
907 |
}
|
|
|
908 |
|
|
|
909 |
// }}}
|
|
|
910 |
// {{{ function fileExists($file)
|
|
|
911 |
|
|
|
912 |
/**
|
|
|
913 |
* Checks if a file exists in the include path
|
|
|
914 |
*
|
|
|
915 |
* @param string filename
|
|
|
916 |
*
|
|
|
917 |
* @return bool true success and false on error
|
|
|
918 |
*
|
|
|
919 |
* @access public
|
|
|
920 |
*/
|
|
|
921 |
function fileExists($file)
|
|
|
922 |
{
|
|
|
923 |
// safe_mode does notwork with is_readable()
|
|
|
924 |
if (!@ini_get('safe_mode')) {
|
|
|
925 |
$dirs = explode(PATH_SEPARATOR, ini_get('include_path'));
|
|
|
926 |
foreach ($dirs as $dir) {
|
|
|
927 |
if (is_readable($dir . DIRECTORY_SEPARATOR . $file)) {
|
|
|
928 |
return true;
|
|
|
929 |
}
|
|
|
930 |
}
|
|
|
931 |
} else {
|
|
|
932 |
$fp = @fopen($file, 'r', true);
|
|
|
933 |
if (is_resource($fp)) {
|
|
|
934 |
@fclose($fp);
|
|
|
935 |
return true;
|
|
|
936 |
}
|
|
|
937 |
}
|
|
|
938 |
return false;
|
|
|
939 |
}
|
|
|
940 |
// }}}
|
|
|
941 |
}
|
|
|
942 |
|
|
|
943 |
// }}}
|
|
|
944 |
// {{{ class MDB2_Error extends PEAR_Error
|
|
|
945 |
|
|
|
946 |
/**
|
|
|
947 |
* MDB2_Error implements a class for reporting portable database error
|
|
|
948 |
* messages.
|
|
|
949 |
*
|
|
|
950 |
* @package MDB2
|
|
|
951 |
* @category Database
|
|
|
952 |
* @author Stig Bakken <ssb@fast.no>
|
|
|
953 |
*/
|
|
|
954 |
class MDB2_Error extends PEAR_Error
|
|
|
955 |
{
|
|
|
956 |
// {{{ constructor: function MDB2_Error($code = MDB2_ERROR, $mode = PEAR_ERROR_RETURN, $level = E_USER_NOTICE, $debuginfo = null)
|
|
|
957 |
|
|
|
958 |
/**
|
|
|
959 |
* MDB2_Error constructor.
|
|
|
960 |
*
|
|
|
961 |
* @param mixed MDB2 error code, or string with error message.
|
|
|
962 |
* @param int what 'error mode' to operate in
|
|
|
963 |
* @param int what error level to use for $mode & PEAR_ERROR_TRIGGER
|
|
|
964 |
* @param smixed additional debug info, such as the last query
|
|
|
965 |
*/
|
|
|
966 |
function MDB2_Error($code = MDB2_ERROR, $mode = PEAR_ERROR_RETURN,
|
|
|
967 |
$level = E_USER_NOTICE, $debuginfo = null)
|
|
|
968 |
{
|
|
|
969 |
if (is_null($code)) {
|
|
|
970 |
$code = MDB2_ERROR;
|
|
|
971 |
}
|
|
|
972 |
$this->PEAR_Error('MDB2 Error: '.MDB2::errorMessage($code), $code,
|
|
|
973 |
$mode, $level, $debuginfo);
|
|
|
974 |
}
|
|
|
975 |
|
|
|
976 |
// }}}
|
|
|
977 |
}
|
|
|
978 |
|
|
|
979 |
// }}}
|
|
|
980 |
// {{{ class MDB2_Driver_Common extends PEAR
|
|
|
981 |
|
|
|
982 |
/**
|
|
|
983 |
* MDB2_Driver_Common: Base class that is extended by each MDB2 driver
|
|
|
984 |
*
|
|
|
985 |
* @package MDB2
|
|
|
986 |
* @category Database
|
|
|
987 |
* @author Lukas Smith <smith@pooteeweet.org>
|
|
|
988 |
*/
|
|
|
989 |
class MDB2_Driver_Common extends PEAR
|
|
|
990 |
{
|
|
|
991 |
// {{{ Variables (Properties)
|
|
|
992 |
|
|
|
993 |
/**
|
|
|
994 |
* index of the MDB2 object within the $GLOBALS['_MDB2_databases'] array
|
|
|
995 |
* @var int
|
|
|
996 |
* @access public
|
|
|
997 |
*/
|
|
|
998 |
var $db_index = 0;
|
|
|
999 |
|
|
|
1000 |
/**
|
|
|
1001 |
* DSN used for the next query
|
|
|
1002 |
* @var array
|
|
|
1003 |
* @access protected
|
|
|
1004 |
*/
|
|
|
1005 |
var $dsn = array();
|
|
|
1006 |
|
|
|
1007 |
/**
|
|
|
1008 |
* DSN that was used to create the current connection
|
|
|
1009 |
* @var array
|
|
|
1010 |
* @access protected
|
|
|
1011 |
*/
|
|
|
1012 |
var $connected_dsn = array();
|
|
|
1013 |
|
|
|
1014 |
/**
|
|
|
1015 |
* connection resource
|
|
|
1016 |
* @var mixed
|
|
|
1017 |
* @access protected
|
|
|
1018 |
*/
|
|
|
1019 |
var $connection = 0;
|
|
|
1020 |
|
|
|
1021 |
/**
|
|
|
1022 |
* if the current opened connection is a persistent connection
|
|
|
1023 |
* @var bool
|
|
|
1024 |
* @access protected
|
|
|
1025 |
*/
|
|
|
1026 |
var $opened_persistent;
|
|
|
1027 |
|
|
|
1028 |
/**
|
|
|
1029 |
* the name of the database for the next query
|
|
|
1030 |
* @var string
|
|
|
1031 |
* @access protected
|
|
|
1032 |
*/
|
|
|
1033 |
var $database_name = '';
|
|
|
1034 |
|
|
|
1035 |
/**
|
|
|
1036 |
* the name of the database currently selected
|
|
|
1037 |
* @var string
|
|
|
1038 |
* @access protected
|
|
|
1039 |
*/
|
|
|
1040 |
var $connected_database_name = '';
|
|
|
1041 |
|
|
|
1042 |
/**
|
|
|
1043 |
* server version information
|
|
|
1044 |
* @var string
|
|
|
1045 |
* @access protected
|
|
|
1046 |
*/
|
|
|
1047 |
var $connected_server_info = '';
|
|
|
1048 |
|
|
|
1049 |
/**
|
|
|
1050 |
* list of all supported features of the given driver
|
|
|
1051 |
* @var array
|
|
|
1052 |
* @access public
|
|
|
1053 |
*/
|
|
|
1054 |
var $supported = array(
|
|
|
1055 |
'sequences' => false,
|
|
|
1056 |
'indexes' => false,
|
|
|
1057 |
'affected_rows' => false,
|
|
|
1058 |
'summary_functions' => false,
|
|
|
1059 |
'order_by_text' => false,
|
|
|
1060 |
'transactions' => false,
|
|
|
1061 |
'savepoints' => false,
|
|
|
1062 |
'current_id' => false,
|
|
|
1063 |
'limit_queries' => false,
|
|
|
1064 |
'LOBs' => false,
|
|
|
1065 |
'replace' => false,
|
|
|
1066 |
'sub_selects' => false,
|
|
|
1067 |
'auto_increment' => false,
|
|
|
1068 |
'primary_key' => false,
|
|
|
1069 |
'result_introspection' => false,
|
|
|
1070 |
'prepared_statements' => false,
|
|
|
1071 |
'identifier_quoting' => false,
|
|
|
1072 |
'pattern_escaping' => false,
|
|
|
1073 |
'new_link' => false,
|
|
|
1074 |
);
|
|
|
1075 |
|
|
|
1076 |
/**
|
|
|
1077 |
* Array of supported options that can be passed to the MDB2 instance.
|
|
|
1078 |
*
|
|
|
1079 |
* The options can be set during object creation, using
|
|
|
1080 |
* MDB2::connect(), MDB2::factory() or MDB2::singleton(). The options can
|
|
|
1081 |
* also be set after the object is created, using MDB2::setOptions() or
|
|
|
1082 |
* MDB2_Driver_Common::setOption().
|
|
|
1083 |
* The list of available option includes:
|
|
|
1084 |
* <ul>
|
|
|
1085 |
* <li>$options['ssl'] -> boolean: determines if ssl should be used for connections</li>
|
|
|
1086 |
* <li>$options['field_case'] -> CASE_LOWER|CASE_UPPER: determines what case to force on field/table names</li>
|
|
|
1087 |
* <li>$options['disable_query'] -> boolean: determines if queries should be executed</li>
|
|
|
1088 |
* <li>$options['result_class'] -> string: class used for result sets</li>
|
|
|
1089 |
* <li>$options['buffered_result_class'] -> string: class used for buffered result sets</li>
|
|
|
1090 |
* <li>$options['result_wrap_class'] -> string: class used to wrap result sets into</li>
|
|
|
1091 |
* <li>$options['result_buffering'] -> boolean should results be buffered or not?</li>
|
|
|
1092 |
* <li>$options['fetch_class'] -> string: class to use when fetch mode object is used</li>
|
|
|
1093 |
* <li>$options['persistent'] -> boolean: persistent connection?</li>
|
|
|
1094 |
* <li>$options['debug'] -> integer: numeric debug level</li>
|
|
|
1095 |
* <li>$options['debug_handler'] -> string: function/method that captures debug messages</li>
|
|
|
1096 |
* <li>$options['debug_expanded_output'] -> bool: BC option to determine if more context information should be send to the debug handler</li>
|
|
|
1097 |
* <li>$options['default_text_field_length'] -> integer: default text field length to use</li>
|
|
|
1098 |
* <li>$options['lob_buffer_length'] -> integer: LOB buffer length</li>
|
|
|
1099 |
* <li>$options['log_line_break'] -> string: line-break format</li>
|
|
|
1100 |
* <li>$options['idxname_format'] -> string: pattern for index name</li>
|
|
|
1101 |
* <li>$options['seqname_format'] -> string: pattern for sequence name</li>
|
|
|
1102 |
* <li>$options['savepoint_format'] -> string: pattern for auto generated savepoint names</li>
|
|
|
1103 |
* <li>$options['statement_format'] -> string: pattern for prepared statement names</li>
|
|
|
1104 |
* <li>$options['seqcol_name'] -> string: sequence column name</li>
|
|
|
1105 |
* <li>$options['quote_identifier'] -> boolean: if identifier quoting should be done when check_option is used</li>
|
|
|
1106 |
* <li>$options['use_transactions'] -> boolean: if transaction use should be enabled</li>
|
|
|
1107 |
* <li>$options['decimal_places'] -> integer: number of decimal places to handle</li>
|
|
|
1108 |
* <li>$options['portability'] -> integer: portability constant</li>
|
|
|
1109 |
* <li>$options['modules'] -> array: short to long module name mapping for __call()</li>
|
|
|
1110 |
* <li>$options['emulate_prepared'] -> boolean: force prepared statements to be emulated</li>
|
|
|
1111 |
* <li>$options['datatype_map'] -> array: map user defined datatypes to other primitive datatypes</li>
|
|
|
1112 |
* <li>$options['datatype_map_callback'] -> array: callback function/method that should be called</li>
|
|
|
1113 |
* </ul>
|
|
|
1114 |
*
|
|
|
1115 |
* @var array
|
|
|
1116 |
* @access public
|
|
|
1117 |
* @see MDB2::connect()
|
|
|
1118 |
* @see MDB2::factory()
|
|
|
1119 |
* @see MDB2::singleton()
|
|
|
1120 |
* @see MDB2_Driver_Common::setOption()
|
|
|
1121 |
*/
|
|
|
1122 |
var $options = array(
|
|
|
1123 |
'ssl' => false,
|
|
|
1124 |
'field_case' => CASE_LOWER,
|
|
|
1125 |
'disable_query' => false,
|
|
|
1126 |
'result_class' => 'MDB2_Result_%s',
|
|
|
1127 |
'buffered_result_class' => 'MDB2_BufferedResult_%s',
|
|
|
1128 |
'result_wrap_class' => false,
|
|
|
1129 |
'result_buffering' => true,
|
|
|
1130 |
'fetch_class' => 'stdClass',
|
|
|
1131 |
'persistent' => false,
|
|
|
1132 |
'debug' => 0,
|
|
|
1133 |
'debug_handler' => 'MDB2_defaultDebugOutput',
|
|
|
1134 |
'debug_expanded_output' => false,
|
|
|
1135 |
'default_text_field_length' => 4096,
|
|
|
1136 |
'lob_buffer_length' => 8192,
|
|
|
1137 |
'log_line_break' => "\n",
|
|
|
1138 |
'idxname_format' => '%s_idx',
|
|
|
1139 |
'seqname_format' => '%s_seq',
|
|
|
1140 |
'savepoint_format' => 'MDB2_SAVEPOINT_%s',
|
|
|
1141 |
'statement_format' => 'MDB2_STATEMENT_%1$s_%2$s',
|
|
|
1142 |
'seqcol_name' => 'sequence',
|
|
|
1143 |
'quote_identifier' => false,
|
|
|
1144 |
'use_transactions' => true,
|
|
|
1145 |
'decimal_places' => 2,
|
|
|
1146 |
'portability' => MDB2_PORTABILITY_ALL,
|
|
|
1147 |
'modules' => array(
|
|
|
1148 |
'ex' => 'Extended',
|
|
|
1149 |
'dt' => 'Datatype',
|
|
|
1150 |
'mg' => 'Manager',
|
|
|
1151 |
'rv' => 'Reverse',
|
|
|
1152 |
'na' => 'Native',
|
|
|
1153 |
'fc' => 'Function',
|
|
|
1154 |
),
|
|
|
1155 |
'emulate_prepared' => false,
|
|
|
1156 |
'datatype_map' => array(),
|
|
|
1157 |
'datatype_map_callback' => array(),
|
|
|
1158 |
'nativetype_map_callback' => array(),
|
|
|
1159 |
);
|
|
|
1160 |
|
|
|
1161 |
/**
|
|
|
1162 |
* string array
|
|
|
1163 |
* @var string
|
|
|
1164 |
* @access protected
|
|
|
1165 |
*/
|
|
|
1166 |
var $string_quoting = array('start' => "'", 'end' => "'", 'escape' => false, 'escape_pattern' => false);
|
|
|
1167 |
|
|
|
1168 |
/**
|
|
|
1169 |
* identifier quoting
|
|
|
1170 |
* @var array
|
|
|
1171 |
* @access protected
|
|
|
1172 |
*/
|
|
|
1173 |
var $identifier_quoting = array('start' => '"', 'end' => '"', 'escape' => '"');
|
|
|
1174 |
|
|
|
1175 |
/**
|
|
|
1176 |
* sql comments
|
|
|
1177 |
* @var array
|
|
|
1178 |
* @access protected
|
|
|
1179 |
*/
|
|
|
1180 |
var $sql_comments = array(
|
|
|
1181 |
array('start' => '--', 'end' => "\n", 'escape' => false),
|
|
|
1182 |
array('start' => '/*', 'end' => '*/', 'escape' => false),
|
|
|
1183 |
);
|
|
|
1184 |
|
|
|
1185 |
/**
|
|
|
1186 |
* comparision wildcards
|
|
|
1187 |
* @var array
|
|
|
1188 |
* @access protected
|
|
|
1189 |
*/
|
|
|
1190 |
var $wildcards = array('%', '_');
|
|
|
1191 |
|
|
|
1192 |
/**
|
|
|
1193 |
* column alias keyword
|
|
|
1194 |
* @var string
|
|
|
1195 |
* @access protected
|
|
|
1196 |
*/
|
|
|
1197 |
var $as_keyword = ' AS ';
|
|
|
1198 |
|
|
|
1199 |
/**
|
|
|
1200 |
* warnings
|
|
|
1201 |
* @var array
|
|
|
1202 |
* @access protected
|
|
|
1203 |
*/
|
|
|
1204 |
var $warnings = array();
|
|
|
1205 |
|
|
|
1206 |
/**
|
|
|
1207 |
* string with the debugging information
|
|
|
1208 |
* @var string
|
|
|
1209 |
* @access public
|
|
|
1210 |
*/
|
|
|
1211 |
var $debug_output = '';
|
|
|
1212 |
|
|
|
1213 |
/**
|
|
|
1214 |
* determine if there is an open transaction
|
|
|
1215 |
* @var bool
|
|
|
1216 |
* @access protected
|
|
|
1217 |
*/
|
|
|
1218 |
var $in_transaction = false;
|
|
|
1219 |
|
|
|
1220 |
/**
|
|
|
1221 |
* the smart transaction nesting depth
|
|
|
1222 |
* @var int
|
|
|
1223 |
* @access protected
|
|
|
1224 |
*/
|
|
|
1225 |
var $nested_transaction_counter = null;
|
|
|
1226 |
|
|
|
1227 |
/**
|
|
|
1228 |
* the first error that occured inside a nested transaction
|
|
|
1229 |
* @var MDB2_Error|bool
|
|
|
1230 |
* @access protected
|
|
|
1231 |
*/
|
|
|
1232 |
var $has_transaction_error = false;
|
|
|
1233 |
|
|
|
1234 |
/**
|
|
|
1235 |
* result offset used in the next query
|
|
|
1236 |
* @var int
|
|
|
1237 |
* @access protected
|
|
|
1238 |
*/
|
|
|
1239 |
var $offset = 0;
|
|
|
1240 |
|
|
|
1241 |
/**
|
|
|
1242 |
* result limit used in the next query
|
|
|
1243 |
* @var int
|
|
|
1244 |
* @access protected
|
|
|
1245 |
*/
|
|
|
1246 |
var $limit = 0;
|
|
|
1247 |
|
|
|
1248 |
/**
|
|
|
1249 |
* Database backend used in PHP (mysql, odbc etc.)
|
|
|
1250 |
* @var string
|
|
|
1251 |
* @access public
|
|
|
1252 |
*/
|
|
|
1253 |
var $phptype;
|
|
|
1254 |
|
|
|
1255 |
/**
|
|
|
1256 |
* Database used with regards to SQL syntax etc.
|
|
|
1257 |
* @var string
|
|
|
1258 |
* @access public
|
|
|
1259 |
*/
|
|
|
1260 |
var $dbsyntax;
|
|
|
1261 |
|
|
|
1262 |
/**
|
|
|
1263 |
* the last query sent to the driver
|
|
|
1264 |
* @var string
|
|
|
1265 |
* @access public
|
|
|
1266 |
*/
|
|
|
1267 |
var $last_query;
|
|
|
1268 |
|
|
|
1269 |
/**
|
|
|
1270 |
* the default fetchmode used
|
|
|
1271 |
* @var int
|
|
|
1272 |
* @access protected
|
|
|
1273 |
*/
|
|
|
1274 |
var $fetchmode = MDB2_FETCHMODE_ORDERED;
|
|
|
1275 |
|
|
|
1276 |
/**
|
|
|
1277 |
* array of module instances
|
|
|
1278 |
* @var array
|
|
|
1279 |
* @access protected
|
|
|
1280 |
*/
|
|
|
1281 |
var $modules = array();
|
|
|
1282 |
|
|
|
1283 |
/**
|
|
|
1284 |
* determines of the PHP4 destructor emulation has been enabled yet
|
|
|
1285 |
* @var array
|
|
|
1286 |
* @access protected
|
|
|
1287 |
*/
|
|
|
1288 |
var $destructor_registered = true;
|
|
|
1289 |
|
|
|
1290 |
// }}}
|
|
|
1291 |
// {{{ constructor: function __construct()
|
|
|
1292 |
|
|
|
1293 |
/**
|
|
|
1294 |
* Constructor
|
|
|
1295 |
*/
|
|
|
1296 |
function __construct()
|
|
|
1297 |
{
|
|
|
1298 |
end($GLOBALS['_MDB2_databases']);
|
|
|
1299 |
$db_index = key($GLOBALS['_MDB2_databases']) + 1;
|
|
|
1300 |
$GLOBALS['_MDB2_databases'][$db_index] = &$this;
|
|
|
1301 |
$this->db_index = $db_index;
|
|
|
1302 |
}
|
|
|
1303 |
|
|
|
1304 |
// }}}
|
|
|
1305 |
// {{{ function MDB2_Driver_Common()
|
|
|
1306 |
|
|
|
1307 |
/**
|
|
|
1308 |
* PHP 4 Constructor
|
|
|
1309 |
*/
|
|
|
1310 |
function MDB2_Driver_Common()
|
|
|
1311 |
{
|
|
|
1312 |
$this->destructor_registered = false;
|
|
|
1313 |
$this->__construct();
|
|
|
1314 |
}
|
|
|
1315 |
|
|
|
1316 |
// }}}
|
|
|
1317 |
// {{{ destructor: function __destruct()
|
|
|
1318 |
|
|
|
1319 |
/**
|
|
|
1320 |
* Destructor
|
|
|
1321 |
*/
|
|
|
1322 |
function __destruct()
|
|
|
1323 |
{
|
|
|
1324 |
$this->disconnect(false);
|
|
|
1325 |
}
|
|
|
1326 |
|
|
|
1327 |
// }}}
|
|
|
1328 |
// {{{ function free()
|
|
|
1329 |
|
|
|
1330 |
/**
|
|
|
1331 |
* Free the internal references so that the instance can be destroyed
|
|
|
1332 |
*
|
|
|
1333 |
* @return bool true on success, false if result is invalid
|
|
|
1334 |
*
|
|
|
1335 |
* @access public
|
|
|
1336 |
*/
|
|
|
1337 |
function free()
|
|
|
1338 |
{
|
|
|
1339 |
unset($GLOBALS['_MDB2_databases'][$this->db_index]);
|
|
|
1340 |
unset($this->db_index);
|
|
|
1341 |
return MDB2_OK;
|
|
|
1342 |
}
|
|
|
1343 |
|
|
|
1344 |
// }}}
|
|
|
1345 |
// {{{ function __toString()
|
|
|
1346 |
|
|
|
1347 |
/**
|
|
|
1348 |
* String conversation
|
|
|
1349 |
*
|
|
|
1350 |
* @return string representation of the object
|
|
|
1351 |
*
|
|
|
1352 |
* @access public
|
|
|
1353 |
*/
|
|
|
1354 |
function __toString()
|
|
|
1355 |
{
|
|
|
1356 |
$info = get_class($this);
|
|
|
1357 |
$info.= ': (phptype = '.$this->phptype.', dbsyntax = '.$this->dbsyntax.')';
|
|
|
1358 |
if ($this->connection) {
|
|
|
1359 |
$info.= ' [connected]';
|
|
|
1360 |
}
|
|
|
1361 |
return $info;
|
|
|
1362 |
}
|
|
|
1363 |
|
|
|
1364 |
// }}}
|
|
|
1365 |
// {{{ function errorInfo($error = null)
|
|
|
1366 |
|
|
|
1367 |
/**
|
|
|
1368 |
* This method is used to collect information about an error
|
|
|
1369 |
*
|
|
|
1370 |
* @param mixed error code or resource
|
|
|
1371 |
*
|
|
|
1372 |
* @return array with MDB2 errorcode, native error code, native message
|
|
|
1373 |
*
|
|
|
1374 |
* @access public
|
|
|
1375 |
*/
|
|
|
1376 |
function errorInfo($error = null)
|
|
|
1377 |
{
|
|
|
1378 |
return array($error, null, null);
|
|
|
1379 |
}
|
|
|
1380 |
|
|
|
1381 |
// }}}
|
|
|
1382 |
// {{{ function &raiseError($code = null, $mode = null, $options = null, $userinfo = null)
|
|
|
1383 |
|
|
|
1384 |
/**
|
|
|
1385 |
* This method is used to communicate an error and invoke error
|
|
|
1386 |
* callbacks etc. Basically a wrapper for PEAR::raiseError
|
|
|
1387 |
* without the message string.
|
|
|
1388 |
*
|
|
|
1389 |
* @param mixed integer error code, or a PEAR error object (all other
|
|
|
1390 |
* parameters are ignored if this parameter is an object
|
|
|
1391 |
* @param int error mode, see PEAR_Error docs
|
|
|
1392 |
* @param mixed If error mode is PEAR_ERROR_TRIGGER, this is the
|
|
|
1393 |
* error level (E_USER_NOTICE etc). If error mode is
|
|
|
1394 |
* PEAR_ERROR_CALLBACK, this is the callback function,
|
|
|
1395 |
* either as a function name, or as an array of an
|
|
|
1396 |
* object and method name. For other error modes this
|
|
|
1397 |
* parameter is ignored.
|
|
|
1398 |
* @param string Extra debug information. Defaults to the last
|
|
|
1399 |
* query and native error code.
|
|
|
1400 |
* @param string name of the method that triggered the error
|
|
|
1401 |
*
|
|
|
1402 |
* @return PEAR_Error instance of a PEAR Error object
|
|
|
1403 |
*
|
|
|
1404 |
* @access public
|
|
|
1405 |
* @see PEAR_Error
|
|
|
1406 |
*/
|
|
|
1407 |
function &raiseError($code = null, $mode = null, $options = null, $userinfo = null, $method = null)
|
|
|
1408 |
{
|
|
|
1409 |
$userinfo = "[Error message: $userinfo]\n";
|
|
|
1410 |
// The error is yet a MDB2 error object
|
|
|
1411 |
if (PEAR::isError($code)) {
|
|
|
1412 |
// because we use the static PEAR::raiseError, our global
|
|
|
1413 |
// handler should be used if it is set
|
|
|
1414 |
if (is_null($mode) && !empty($this->_default_error_mode)) {
|
|
|
1415 |
$mode = $this->_default_error_mode;
|
|
|
1416 |
$options = $this->_default_error_options;
|
|
|
1417 |
}
|
|
|
1418 |
if (is_null($userinfo)) {
|
|
|
1419 |
$userinfo = $code->getUserinfo();
|
|
|
1420 |
}
|
|
|
1421 |
$code = $code->getCode();
|
|
|
1422 |
} elseif ($code == MDB2_ERROR_NOT_FOUND) {
|
|
|
1423 |
// extension not loaded: don't call $this->errorInfo() or the script
|
|
|
1424 |
// will die
|
|
|
1425 |
} elseif (isset($this->connection)) {
|
|
|
1426 |
if (!empty($this->last_query)) {
|
|
|
1427 |
$userinfo.= "[Last executed query: {$this->last_query}]\n";
|
|
|
1428 |
}
|
|
|
1429 |
$native_errno = $native_msg = null;
|
|
|
1430 |
list($code, $native_errno, $native_msg) = $this->errorInfo($code);
|
|
|
1431 |
if (!is_null($native_errno) && $native_errno !== '') {
|
|
|
1432 |
$userinfo.= "[Native code: $native_errno]\n";
|
|
|
1433 |
}
|
|
|
1434 |
if (!is_null($native_msg) && $native_msg !== '') {
|
|
|
1435 |
$userinfo.= "[Native message: ". strip_tags($native_msg) ."]\n";
|
|
|
1436 |
}
|
|
|
1437 |
if (!is_null($method)) {
|
|
|
1438 |
$userinfo = $method.': '.$userinfo;
|
|
|
1439 |
}
|
|
|
1440 |
}
|
|
|
1441 |
|
|
|
1442 |
$err =& PEAR::raiseError(null, $code, $mode, $options, $userinfo, 'MDB2_Error', true);
|
|
|
1443 |
if ($err->getMode() !== PEAR_ERROR_RETURN
|
|
|
1444 |
&& isset($this->nested_transaction_counter) && !$this->has_transaction_error) {
|
|
|
1445 |
$this->has_transaction_error =& $err;
|
|
|
1446 |
}
|
|
|
1447 |
return $err;
|
|
|
1448 |
}
|
|
|
1449 |
|
|
|
1450 |
// }}}
|
|
|
1451 |
// {{{ function resetWarnings()
|
|
|
1452 |
|
|
|
1453 |
/**
|
|
|
1454 |
* reset the warning array
|
|
|
1455 |
*
|
|
|
1456 |
* @return void
|
|
|
1457 |
*
|
|
|
1458 |
* @access public
|
|
|
1459 |
*/
|
|
|
1460 |
function resetWarnings()
|
|
|
1461 |
{
|
|
|
1462 |
$this->warnings = array();
|
|
|
1463 |
}
|
|
|
1464 |
|
|
|
1465 |
// }}}
|
|
|
1466 |
// {{{ function getWarnings()
|
|
|
1467 |
|
|
|
1468 |
/**
|
|
|
1469 |
* Get all warnings in reverse order.
|
|
|
1470 |
* This means that the last warning is the first element in the array
|
|
|
1471 |
*
|
|
|
1472 |
* @return array with warnings
|
|
|
1473 |
*
|
|
|
1474 |
* @access public
|
|
|
1475 |
* @see resetWarnings()
|
|
|
1476 |
*/
|
|
|
1477 |
function getWarnings()
|
|
|
1478 |
{
|
|
|
1479 |
return array_reverse($this->warnings);
|
|
|
1480 |
}
|
|
|
1481 |
|
|
|
1482 |
// }}}
|
|
|
1483 |
// {{{ function setFetchMode($fetchmode, $object_class = 'stdClass')
|
|
|
1484 |
|
|
|
1485 |
/**
|
|
|
1486 |
* Sets which fetch mode should be used by default on queries
|
|
|
1487 |
* on this connection
|
|
|
1488 |
*
|
|
|
1489 |
* @param int MDB2_FETCHMODE_ORDERED, MDB2_FETCHMODE_ASSOC
|
|
|
1490 |
* or MDB2_FETCHMODE_OBJECT
|
|
|
1491 |
* @param string the class name of the object to be returned
|
|
|
1492 |
* by the fetch methods when the
|
|
|
1493 |
* MDB2_FETCHMODE_OBJECT mode is selected.
|
|
|
1494 |
* If no class is specified by default a cast
|
|
|
1495 |
* to object from the assoc array row will be
|
|
|
1496 |
* done. There is also the possibility to use
|
|
|
1497 |
* and extend the 'MDB2_row' class.
|
|
|
1498 |
*
|
|
|
1499 |
* @return mixed MDB2_OK or MDB2 Error Object
|
|
|
1500 |
*
|
|
|
1501 |
* @access public
|
|
|
1502 |
* @see MDB2_FETCHMODE_ORDERED, MDB2_FETCHMODE_ASSOC, MDB2_FETCHMODE_OBJECT
|
|
|
1503 |
*/
|
|
|
1504 |
function setFetchMode($fetchmode, $object_class = 'stdClass')
|
|
|
1505 |
{
|
|
|
1506 |
switch ($fetchmode) {
|
|
|
1507 |
case MDB2_FETCHMODE_OBJECT:
|
|
|
1508 |
$this->options['fetch_class'] = $object_class;
|
|
|
1509 |
case MDB2_FETCHMODE_ORDERED:
|
|
|
1510 |
case MDB2_FETCHMODE_ASSOC:
|
|
|
1511 |
$this->fetchmode = $fetchmode;
|
|
|
1512 |
break;
|
|
|
1513 |
default:
|
|
|
1514 |
return $this->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
|
|
|
1515 |
'invalid fetchmode mode', __FUNCTION__);
|
|
|
1516 |
}
|
|
|
1517 |
|
|
|
1518 |
return MDB2_OK;
|
|
|
1519 |
}
|
|
|
1520 |
|
|
|
1521 |
// }}}
|
|
|
1522 |
// {{{ function setOption($option, $value)
|
|
|
1523 |
|
|
|
1524 |
/**
|
|
|
1525 |
* set the option for the db class
|
|
|
1526 |
*
|
|
|
1527 |
* @param string option name
|
|
|
1528 |
* @param mixed value for the option
|
|
|
1529 |
*
|
|
|
1530 |
* @return mixed MDB2_OK or MDB2 Error Object
|
|
|
1531 |
*
|
|
|
1532 |
* @access public
|
|
|
1533 |
*/
|
|
|
1534 |
function setOption($option, $value)
|
|
|
1535 |
{
|
|
|
1536 |
if (array_key_exists($option, $this->options)) {
|
|
|
1537 |
$this->options[$option] = $value;
|
|
|
1538 |
return MDB2_OK;
|
|
|
1539 |
}
|
|
|
1540 |
return $this->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
|
|
|
1541 |
"unknown option $option", __FUNCTION__);
|
|
|
1542 |
}
|
|
|
1543 |
|
|
|
1544 |
// }}}
|
|
|
1545 |
// {{{ function getOption($option)
|
|
|
1546 |
|
|
|
1547 |
/**
|
|
|
1548 |
* Returns the value of an option
|
|
|
1549 |
*
|
|
|
1550 |
* @param string option name
|
|
|
1551 |
*
|
|
|
1552 |
* @return mixed the option value or error object
|
|
|
1553 |
*
|
|
|
1554 |
* @access public
|
|
|
1555 |
*/
|
|
|
1556 |
function getOption($option)
|
|
|
1557 |
{
|
|
|
1558 |
if (array_key_exists($option, $this->options)) {
|
|
|
1559 |
return $this->options[$option];
|
|
|
1560 |
}
|
|
|
1561 |
return $this->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
|
|
|
1562 |
"unknown option $option", __FUNCTION__);
|
|
|
1563 |
}
|
|
|
1564 |
|
|
|
1565 |
// }}}
|
|
|
1566 |
// {{{ function debug($message, $scope = '', $is_manip = null)
|
|
|
1567 |
|
|
|
1568 |
/**
|
|
|
1569 |
* set a debug message
|
|
|
1570 |
*
|
|
|
1571 |
* @param string message that should be appended to the debug variable
|
|
|
1572 |
* @param string usually the method name that triggered the debug call:
|
|
|
1573 |
* for example 'query', 'prepare', 'execute', 'parameters',
|
|
|
1574 |
* 'beginTransaction', 'commit', 'rollback'
|
|
|
1575 |
* @param array contains context information about the debug() call
|
|
|
1576 |
* common keys are: is_manip, time, result etc.
|
|
|
1577 |
*
|
|
|
1578 |
* @return void
|
|
|
1579 |
*
|
|
|
1580 |
* @access public
|
|
|
1581 |
*/
|
|
|
1582 |
function debug($message, $scope = '', $context = array())
|
|
|
1583 |
{
|
|
|
1584 |
if ($this->options['debug'] && $this->options['debug_handler']) {
|
|
|
1585 |
if (!$this->options['debug_expanded_output']) {
|
|
|
1586 |
if (!empty($context['when']) && $context['when'] !== 'pre') {
|
|
|
1587 |
return null;
|
|
|
1588 |
}
|
|
|
1589 |
$context = empty($context['is_manip']) ? false : $context['is_manip'];
|
|
|
1590 |
}
|
|
|
1591 |
return call_user_func_array($this->options['debug_handler'], array(&$this, $scope, $message, $context));
|
|
|
1592 |
}
|
|
|
1593 |
return null;
|
|
|
1594 |
}
|
|
|
1595 |
|
|
|
1596 |
// }}}
|
|
|
1597 |
// {{{ function getDebugOutput()
|
|
|
1598 |
|
|
|
1599 |
/**
|
|
|
1600 |
* output debug info
|
|
|
1601 |
*
|
|
|
1602 |
* @return string content of the debug_output class variable
|
|
|
1603 |
*
|
|
|
1604 |
* @access public
|
|
|
1605 |
*/
|
|
|
1606 |
function getDebugOutput()
|
|
|
1607 |
{
|
|
|
1608 |
return $this->debug_output;
|
|
|
1609 |
}
|
|
|
1610 |
|
|
|
1611 |
// }}}
|
|
|
1612 |
// {{{ function escape($text)
|
|
|
1613 |
|
|
|
1614 |
/**
|
|
|
1615 |
* Quotes a string so it can be safely used in a query. It will quote
|
|
|
1616 |
* the text so it can safely be used within a query.
|
|
|
1617 |
*
|
|
|
1618 |
* @param string the input string to quote
|
|
|
1619 |
* @param bool escape wildcards
|
|
|
1620 |
*
|
|
|
1621 |
* @return string quoted string
|
|
|
1622 |
*
|
|
|
1623 |
* @access public
|
|
|
1624 |
*/
|
|
|
1625 |
function escape($text, $escape_wildcards = false)
|
|
|
1626 |
{
|
|
|
1627 |
if ($escape_wildcards) {
|
|
|
1628 |
$text = $this->escapePattern($text);
|
|
|
1629 |
}
|
|
|
1630 |
|
|
|
1631 |
$text = str_replace($this->string_quoting['end'], $this->string_quoting['escape'] . $this->string_quoting['end'], $text);
|
|
|
1632 |
return $text;
|
|
|
1633 |
}
|
|
|
1634 |
|
|
|
1635 |
// }}}
|
|
|
1636 |
// {{{ function escapePattern($text)
|
|
|
1637 |
|
|
|
1638 |
/**
|
|
|
1639 |
* Quotes pattern (% and _) characters in a string)
|
|
|
1640 |
*
|
|
|
1641 |
* EXPERIMENTAL
|
|
|
1642 |
*
|
|
|
1643 |
* WARNING: this function is experimental and may change signature at
|
|
|
1644 |
* any time until labelled as non-experimental
|
|
|
1645 |
*
|
|
|
1646 |
* @param string the input string to quote
|
|
|
1647 |
*
|
|
|
1648 |
* @return string quoted string
|
|
|
1649 |
*
|
|
|
1650 |
* @access public
|
|
|
1651 |
*/
|
|
|
1652 |
function escapePattern($text)
|
|
|
1653 |
{
|
|
|
1654 |
if ($this->string_quoting['escape_pattern']) {
|
|
|
1655 |
$text = str_replace($this->string_quoting['escape_pattern'], $this->string_quoting['escape_pattern'] . $this->string_quoting['escape_pattern'], $text);
|
|
|
1656 |
foreach ($this->wildcards as $wildcard) {
|
|
|
1657 |
$text = str_replace($wildcard, $this->string_quoting['escape_pattern'] . $wildcard, $text);
|
|
|
1658 |
}
|
|
|
1659 |
}
|
|
|
1660 |
return $text;
|
|
|
1661 |
}
|
|
|
1662 |
|
|
|
1663 |
// }}}
|
|
|
1664 |
// {{{ function quoteIdentifier($str, $check_option = false)
|
|
|
1665 |
|
|
|
1666 |
/**
|
|
|
1667 |
* Quote a string so it can be safely used as a table or column name
|
|
|
1668 |
*
|
|
|
1669 |
* Delimiting style depends on which database driver is being used.
|
|
|
1670 |
*
|
|
|
1671 |
* NOTE: just because you CAN use delimited identifiers doesn't mean
|
|
|
1672 |
* you SHOULD use them. In general, they end up causing way more
|
|
|
1673 |
* problems than they solve.
|
|
|
1674 |
*
|
|
|
1675 |
* Portability is broken by using the following characters inside
|
|
|
1676 |
* delimited identifiers:
|
|
|
1677 |
* + backtick (<kbd>`</kbd>) -- due to MySQL
|
|
|
1678 |
* + double quote (<kbd>"</kbd>) -- due to Oracle
|
|
|
1679 |
* + brackets (<kbd>[</kbd> or <kbd>]</kbd>) -- due to Access
|
|
|
1680 |
*
|
|
|
1681 |
* Delimited identifiers are known to generally work correctly under
|
|
|
1682 |
* the following drivers:
|
|
|
1683 |
* + mssql
|
|
|
1684 |
* + mysql
|
|
|
1685 |
* + mysqli
|
|
|
1686 |
* + oci8
|
|
|
1687 |
* + pgsql
|
|
|
1688 |
* + sqlite
|
|
|
1689 |
*
|
|
|
1690 |
* InterBase doesn't seem to be able to use delimited identifiers
|
|
|
1691 |
* via PHP 4. They work fine under PHP 5.
|
|
|
1692 |
*
|
|
|
1693 |
* @param string identifier name to be quoted
|
|
|
1694 |
* @param bool check the 'quote_identifier' option
|
|
|
1695 |
*
|
|
|
1696 |
* @return string quoted identifier string
|
|
|
1697 |
*
|
|
|
1698 |
* @access public
|
|
|
1699 |
*/
|
|
|
1700 |
function quoteIdentifier($str, $check_option = false)
|
|
|
1701 |
{
|
|
|
1702 |
if ($check_option && !$this->options['quote_identifier']) {
|
|
|
1703 |
return $str;
|
|
|
1704 |
}
|
|
|
1705 |
$str = str_replace($this->identifier_quoting['end'], $this->identifier_quoting['escape'] . $this->identifier_quoting['end'], $str);
|
|
|
1706 |
return $this->identifier_quoting['start'] . $str . $this->identifier_quoting['end'];
|
|
|
1707 |
}
|
|
|
1708 |
|
|
|
1709 |
// }}}
|
|
|
1710 |
// {{{ function getAsKeyword()
|
|
|
1711 |
|
|
|
1712 |
/**
|
|
|
1713 |
* Gets the string to alias column
|
|
|
1714 |
*
|
|
|
1715 |
* @return string to use when aliasing a column
|
|
|
1716 |
*/
|
|
|
1717 |
function getAsKeyword()
|
|
|
1718 |
{
|
|
|
1719 |
return $this->as_keyword;
|
|
|
1720 |
}
|
|
|
1721 |
|
|
|
1722 |
// }}}
|
|
|
1723 |
// {{{ function getConnection()
|
|
|
1724 |
|
|
|
1725 |
/**
|
|
|
1726 |
* Returns a native connection
|
|
|
1727 |
*
|
|
|
1728 |
* @return mixed a valid MDB2 connection object,
|
|
|
1729 |
* or a MDB2 error object on error
|
|
|
1730 |
*
|
|
|
1731 |
* @access public
|
|
|
1732 |
*/
|
|
|
1733 |
function getConnection()
|
|
|
1734 |
{
|
|
|
1735 |
$result = $this->connect();
|
|
|
1736 |
if (PEAR::isError($result)) {
|
|
|
1737 |
return $result;
|
|
|
1738 |
}
|
|
|
1739 |
return $this->connection;
|
|
|
1740 |
}
|
|
|
1741 |
|
|
|
1742 |
// }}}
|
|
|
1743 |
// {{{ function _fixResultArrayValues(&$row, $mode)
|
|
|
1744 |
|
|
|
1745 |
/**
|
|
|
1746 |
* Do all necessary conversions on result arrays to fix DBMS quirks
|
|
|
1747 |
*
|
|
|
1748 |
* @param array the array to be fixed (passed by reference)
|
|
|
1749 |
* @param array bit-wise addition of the required portability modes
|
|
|
1750 |
*
|
|
|
1751 |
* @return void
|
|
|
1752 |
*
|
|
|
1753 |
* @access protected
|
|
|
1754 |
*/
|
|
|
1755 |
function _fixResultArrayValues(&$row, $mode)
|
|
|
1756 |
{
|
|
|
1757 |
switch ($mode) {
|
|
|
1758 |
case MDB2_PORTABILITY_EMPTY_TO_NULL:
|
|
|
1759 |
foreach ($row as $key => $value) {
|
|
|
1760 |
if ($value === '') {
|
|
|
1761 |
$row[$key] = null;
|
|
|
1762 |
}
|
|
|
1763 |
}
|
|
|
1764 |
break;
|
|
|
1765 |
case MDB2_PORTABILITY_RTRIM:
|
|
|
1766 |
foreach ($row as $key => $value) {
|
|
|
1767 |
if (is_string($value)) {
|
|
|
1768 |
$row[$key] = rtrim($value);
|
|
|
1769 |
}
|
|
|
1770 |
}
|
|
|
1771 |
break;
|
|
|
1772 |
case MDB2_PORTABILITY_FIX_ASSOC_FIELD_NAMES:
|
|
|
1773 |
$tmp_row = array();
|
|
|
1774 |
foreach ($row as $key => $value) {
|
|
|
1775 |
$tmp_row[preg_replace('/^(?:.*\.)?([^.]+)$/', '\\1', $key)] = $value;
|
|
|
1776 |
}
|
|
|
1777 |
$row = $tmp_row;
|
|
|
1778 |
break;
|
|
|
1779 |
case (MDB2_PORTABILITY_RTRIM + MDB2_PORTABILITY_EMPTY_TO_NULL):
|
|
|
1780 |
foreach ($row as $key => $value) {
|
|
|
1781 |
if ($value === '') {
|
|
|
1782 |
$row[$key] = null;
|
|
|
1783 |
} elseif (is_string($value)) {
|
|
|
1784 |
$row[$key] = rtrim($value);
|
|
|
1785 |
}
|
|
|
1786 |
}
|
|
|
1787 |
break;
|
|
|
1788 |
case (MDB2_PORTABILITY_RTRIM + MDB2_PORTABILITY_FIX_ASSOC_FIELD_NAMES):
|
|
|
1789 |
$tmp_row = array();
|
|
|
1790 |
foreach ($row as $key => $value) {
|
|
|
1791 |
if (is_string($value)) {
|
|
|
1792 |
$value = rtrim($value);
|
|
|
1793 |
}
|
|
|
1794 |
$tmp_row[preg_replace('/^(?:.*\.)?([^.]+)$/', '\\1', $key)] = $value;
|
|
|
1795 |
}
|
|
|
1796 |
$row = $tmp_row;
|
|
|
1797 |
break;
|
|
|
1798 |
case (MDB2_PORTABILITY_EMPTY_TO_NULL + MDB2_PORTABILITY_FIX_ASSOC_FIELD_NAMES):
|
|
|
1799 |
$tmp_row = array();
|
|
|
1800 |
foreach ($row as $key => $value) {
|
|
|
1801 |
if ($value === '') {
|
|
|
1802 |
$value = null;
|
|
|
1803 |
}
|
|
|
1804 |
$tmp_row[preg_replace('/^(?:.*\.)?([^.]+)$/', '\\1', $key)] = $value;
|
|
|
1805 |
}
|
|
|
1806 |
$row = $tmp_row;
|
|
|
1807 |
break;
|
|
|
1808 |
case (MDB2_PORTABILITY_RTRIM + MDB2_PORTABILITY_EMPTY_TO_NULL + MDB2_PORTABILITY_FIX_ASSOC_FIELD_NAMES):
|
|
|
1809 |
$tmp_row = array();
|
|
|
1810 |
foreach ($row as $key => $value) {
|
|
|
1811 |
if ($value === '') {
|
|
|
1812 |
$value = null;
|
|
|
1813 |
} elseif (is_string($value)) {
|
|
|
1814 |
$value = rtrim($value);
|
|
|
1815 |
}
|
|
|
1816 |
$tmp_row[preg_replace('/^(?:.*\.)?([^.]+)$/', '\\1', $key)] = $value;
|
|
|
1817 |
}
|
|
|
1818 |
$row = $tmp_row;
|
|
|
1819 |
break;
|
|
|
1820 |
}
|
|
|
1821 |
}
|
|
|
1822 |
|
|
|
1823 |
// }}}
|
|
|
1824 |
// {{{ function &loadModule($module, $property = null, $phptype_specific = null)
|
|
|
1825 |
|
|
|
1826 |
/**
|
|
|
1827 |
* loads a module
|
|
|
1828 |
*
|
|
|
1829 |
* @param string name of the module that should be loaded
|
|
|
1830 |
* (only used for error messages)
|
|
|
1831 |
* @param string name of the property into which the class will be loaded
|
|
|
1832 |
* @param bool if the class to load for the module is specific to the
|
|
|
1833 |
* phptype
|
|
|
1834 |
*
|
|
|
1835 |
* @return object on success a reference to the given module is returned
|
|
|
1836 |
* and on failure a PEAR error
|
|
|
1837 |
*
|
|
|
1838 |
* @access public
|
|
|
1839 |
*/
|
|
|
1840 |
function &loadModule($module, $property = null, $phptype_specific = null)
|
|
|
1841 |
{
|
|
|
1842 |
if (!$property) {
|
|
|
1843 |
$property = strtolower($module);
|
|
|
1844 |
}
|
|
|
1845 |
|
|
|
1846 |
if (!isset($this->{$property})) {
|
|
|
1847 |
$version = $phptype_specific;
|
|
|
1848 |
if ($phptype_specific !== false) {
|
|
|
1849 |
$version = true;
|
|
|
1850 |
$class_name = 'MDB2_Driver_'.$module.'_'.$this->phptype;
|
|
|
1851 |
$file_name = str_replace('_', DIRECTORY_SEPARATOR, $class_name).'.php';
|
|
|
1852 |
}
|
|
|
1853 |
if ($phptype_specific === false
|
|
|
1854 |
|| (!MDB2::classExists($class_name) && !MDB2::fileExists($file_name))
|
|
|
1855 |
) {
|
|
|
1856 |
$version = false;
|
|
|
1857 |
$class_name = 'MDB2_'.$module;
|
|
|
1858 |
$file_name = str_replace('_', DIRECTORY_SEPARATOR, $class_name).'.php';
|
|
|
1859 |
}
|
|
|
1860 |
|
|
|
1861 |
$err = MDB2::loadClass($class_name, $this->getOption('debug'));
|
|
|
1862 |
if (PEAR::isError($err)) {
|
|
|
1863 |
return $err;
|
|
|
1864 |
}
|
|
|
1865 |
|
|
|
1866 |
// load modul in a specific version
|
|
|
1867 |
if ($version) {
|
|
|
1868 |
if (method_exists($class_name, 'getClassName')) {
|
|
|
1869 |
$class_name_new = call_user_func(array($class_name, 'getClassName'), $this->db_index);
|
|
|
1870 |
if ($class_name != $class_name_new) {
|
|
|
1871 |
$class_name = $class_name_new;
|
|
|
1872 |
$err = MDB2::loadClass($class_name, $this->getOption('debug'));
|
|
|
1873 |
if (PEAR::isError($err)) {
|
|
|
1874 |
return $err;
|
|
|
1875 |
}
|
|
|
1876 |
}
|
|
|
1877 |
}
|
|
|
1878 |
}
|
|
|
1879 |
|
|
|
1880 |
if (!MDB2::classExists($class_name)) {
|
|
|
1881 |
$err =& $this->raiseError(MDB2_ERROR_LOADMODULE, null, null,
|
|
|
1882 |
"unable to load module '$module' into property '$property'", __FUNCTION__);
|
|
|
1883 |
return $err;
|
|
|
1884 |
}
|
|
|
1885 |
$this->{$property} =& new $class_name($this->db_index);
|
|
|
1886 |
$this->modules[$module] =& $this->{$property};
|
|
|
1887 |
if ($version) {
|
|
|
1888 |
// this will be used in the connect method to determine if the module
|
|
|
1889 |
// needs to be loaded with a different version if the server
|
|
|
1890 |
// version changed in between connects
|
|
|
1891 |
$this->loaded_version_modules[] = $property;
|
|
|
1892 |
}
|
|
|
1893 |
}
|
|
|
1894 |
|
|
|
1895 |
return $this->{$property};
|
|
|
1896 |
}
|
|
|
1897 |
|
|
|
1898 |
// }}}
|
|
|
1899 |
// {{{ function __call($method, $params)
|
|
|
1900 |
|
|
|
1901 |
/**
|
|
|
1902 |
* Calls a module method using the __call magic method
|
|
|
1903 |
*
|
|
|
1904 |
* @param string Method name.
|
|
|
1905 |
* @param array Arguments.
|
|
|
1906 |
*
|
|
|
1907 |
* @return mixed Returned value.
|
|
|
1908 |
*/
|
|
|
1909 |
function __call($method, $params)
|
|
|
1910 |
{
|
|
|
1911 |
$module = null;
|
|
|
1912 |
if (preg_match('/^([a-z]+)([A-Z])(.*)$/', $method, $match)
|
|
|
1913 |
&& isset($this->options['modules'][$match[1]])
|
|
|
1914 |
) {
|
|
|
1915 |
$module = $this->options['modules'][$match[1]];
|
|
|
1916 |
$method = strtolower($match[2]).$match[3];
|
|
|
1917 |
if (!isset($this->modules[$module]) || !is_object($this->modules[$module])) {
|
|
|
1918 |
$result =& $this->loadModule($module);
|
|
|
1919 |
if (PEAR::isError($result)) {
|
|
|
1920 |
return $result;
|
|
|
1921 |
}
|
|
|
1922 |
}
|
|
|
1923 |
} else {
|
|
|
1924 |
foreach ($this->modules as $key => $foo) {
|
|
|
1925 |
if (is_object($this->modules[$key])
|
|
|
1926 |
&& method_exists($this->modules[$key], $method)
|
|
|
1927 |
) {
|
|
|
1928 |
$module = $key;
|
|
|
1929 |
break;
|
|
|
1930 |
}
|
|
|
1931 |
}
|
|
|
1932 |
}
|
|
|
1933 |
if (!is_null($module)) {
|
|
|
1934 |
return call_user_func_array(array(&$this->modules[$module], $method), $params);
|
|
|
1935 |
}
|
|
|
1936 |
trigger_error(sprintf('Call to undefined function: %s::%s().', get_class($this), $method), E_USER_ERROR);
|
|
|
1937 |
}
|
|
|
1938 |
|
|
|
1939 |
// }}}
|
|
|
1940 |
// {{{ function beginTransaction($savepoint = null)
|
|
|
1941 |
|
|
|
1942 |
/**
|
|
|
1943 |
* Start a transaction or set a savepoint.
|
|
|
1944 |
*
|
|
|
1945 |
* @param string name of a savepoint to set
|
|
|
1946 |
* @return mixed MDB2_OK on success, a MDB2 error on failure
|
|
|
1947 |
*
|
|
|
1948 |
* @access public
|
|
|
1949 |
*/
|
|
|
1950 |
function beginTransaction($savepoint = null)
|
|
|
1951 |
{
|
|
|
1952 |
$this->debug('Starting transaction', __FUNCTION__, array('is_manip' => true, 'savepoint' => $savepoint));
|
|
|
1953 |
return $this->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
|
|
|
1954 |
'transactions are not supported', __FUNCTION__);
|
|
|
1955 |
}
|
|
|
1956 |
|
|
|
1957 |
// }}}
|
|
|
1958 |
// {{{ function commit($savepoint = null)
|
|
|
1959 |
|
|
|
1960 |
/**
|
|
|
1961 |
* Commit the database changes done during a transaction that is in
|
|
|
1962 |
* progress or release a savepoint. This function may only be called when
|
|
|
1963 |
* auto-committing is disabled, otherwise it will fail. Therefore, a new
|
|
|
1964 |
* transaction is implicitly started after committing the pending changes.
|
|
|
1965 |
*
|
|
|
1966 |
* @param string name of a savepoint to release
|
|
|
1967 |
* @return mixed MDB2_OK on success, a MDB2 error on failure
|
|
|
1968 |
*
|
|
|
1969 |
* @access public
|
|
|
1970 |
*/
|
|
|
1971 |
function commit($savepoint = null)
|
|
|
1972 |
{
|
|
|
1973 |
$this->debug('Committing transaction/savepoint', __FUNCTION__, array('is_manip' => true, 'savepoint' => $savepoint));
|
|
|
1974 |
return $this->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
|
|
|
1975 |
'commiting transactions is not supported', __FUNCTION__);
|
|
|
1976 |
}
|
|
|
1977 |
|
|
|
1978 |
// }}}
|
|
|
1979 |
// {{{ function rollback($savepoint = null)
|
|
|
1980 |
|
|
|
1981 |
/**
|
|
|
1982 |
* Cancel any database changes done during a transaction or since a specific
|
|
|
1983 |
* savepoint that is in progress. This function may only be called when
|
|
|
1984 |
* auto-committing is disabled, otherwise it will fail. Therefore, a new
|
|
|
1985 |
* transaction is implicitly started after canceling the pending changes.
|
|
|
1986 |
*
|
|
|
1987 |
* @param string name of a savepoint to rollback to
|
|
|
1988 |
* @return mixed MDB2_OK on success, a MDB2 error on failure
|
|
|
1989 |
*
|
|
|
1990 |
* @access public
|
|
|
1991 |
*/
|
|
|
1992 |
function rollback($savepoint = null)
|
|
|
1993 |
{
|
|
|
1994 |
$this->debug('Rolling back transaction/savepoint', __FUNCTION__, array('is_manip' => true, 'savepoint' => $savepoint));
|
|
|
1995 |
return $this->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
|
|
|
1996 |
'rolling back transactions is not supported', __FUNCTION__);
|
|
|
1997 |
}
|
|
|
1998 |
|
|
|
1999 |
// }}}
|
|
|
2000 |
// {{{ function inTransaction($ignore_nested = false)
|
|
|
2001 |
|
|
|
2002 |
/**
|
|
|
2003 |
* If a transaction is currently open.
|
|
|
2004 |
*
|
|
|
2005 |
* @param bool if the nested transaction count should be ignored
|
|
|
2006 |
* @return int|bool - an integer with the nesting depth is returned if a
|
|
|
2007 |
* nested transaction is open
|
|
|
2008 |
* - true is returned for a normal open transaction
|
|
|
2009 |
* - false is returned if no transaction is open
|
|
|
2010 |
*
|
|
|
2011 |
* @access public
|
|
|
2012 |
*/
|
|
|
2013 |
function inTransaction($ignore_nested = false)
|
|
|
2014 |
{
|
|
|
2015 |
if (!$ignore_nested && isset($this->nested_transaction_counter)) {
|
|
|
2016 |
return $this->nested_transaction_counter;
|
|
|
2017 |
}
|
|
|
2018 |
return $this->in_transaction;
|
|
|
2019 |
}
|
|
|
2020 |
|
|
|
2021 |
// }}}
|
|
|
2022 |
// {{{ function setTransactionIsolation($isolation)
|
|
|
2023 |
|
|
|
2024 |
/**
|
|
|
2025 |
* Set the transacton isolation level.
|
|
|
2026 |
*
|
|
|
2027 |
* @param string standard isolation level
|
|
|
2028 |
* READ UNCOMMITTED (allows dirty reads)
|
|
|
2029 |
* READ COMMITTED (prevents dirty reads)
|
|
|
2030 |
* REPEATABLE READ (prevents nonrepeatable reads)
|
|
|
2031 |
* SERIALIZABLE (prevents phantom reads)
|
|
|
2032 |
* @param array some transaction options:
|
|
|
2033 |
* 'wait' => 'WAIT' | 'NO WAIT'
|
|
|
2034 |
* 'rw' => 'READ WRITE' | 'READ ONLY'
|
|
|
2035 |
* @return mixed MDB2_OK on success, a MDB2 error on failure
|
|
|
2036 |
*
|
|
|
2037 |
* @access public
|
|
|
2038 |
* @since 2.1.1
|
|
|
2039 |
*/
|
|
|
2040 |
function setTransactionIsolation($isolation, $options = array())
|
|
|
2041 |
{
|
|
|
2042 |
$this->debug('Setting transaction isolation level', __FUNCTION__, array('is_manip' => true));
|
|
|
2043 |
return $this->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
|
|
|
2044 |
'isolation level setting is not supported', __FUNCTION__);
|
|
|
2045 |
}
|
|
|
2046 |
|
|
|
2047 |
// }}}
|
|
|
2048 |
// {{{ function beginNestedTransaction($savepoint = false)
|
|
|
2049 |
|
|
|
2050 |
/**
|
|
|
2051 |
* Start a nested transaction.
|
|
|
2052 |
*
|
|
|
2053 |
* EXPERIMENTAL
|
|
|
2054 |
*
|
|
|
2055 |
* WARNING: this function is experimental and may change signature at
|
|
|
2056 |
* any time until labelled as non-experimental
|
|
|
2057 |
*
|
|
|
2058 |
* @return mixed MDB2_OK on success/savepoint name, a MDB2 error on failure
|
|
|
2059 |
*
|
|
|
2060 |
* @access public
|
|
|
2061 |
* @since 2.1.1
|
|
|
2062 |
*/
|
|
|
2063 |
function beginNestedTransaction()
|
|
|
2064 |
{
|
|
|
2065 |
if ($this->in_transaction) {
|
|
|
2066 |
++$this->nested_transaction_counter;
|
|
|
2067 |
$savepoint = sprintf($this->options['savepoint_format'], $this->nested_transaction_counter);
|
|
|
2068 |
if ($this->supports('savepoints') && $savepoint) {
|
|
|
2069 |
return $this->beginTransaction($savepoint);
|
|
|
2070 |
}
|
|
|
2071 |
return MDB2_OK;
|
|
|
2072 |
}
|
|
|
2073 |
$this->has_transaction_error = false;
|
|
|
2074 |
$result = $this->beginTransaction();
|
|
|
2075 |
$this->nested_transaction_counter = 1;
|
|
|
2076 |
return $result;
|
|
|
2077 |
}
|
|
|
2078 |
|
|
|
2079 |
// }}}
|
|
|
2080 |
// {{{ function completeNestedTransaction($force_rollback = false, $release = false)
|
|
|
2081 |
|
|
|
2082 |
/**
|
|
|
2083 |
* Finish a nested transaction by rolling back if an error occured or
|
|
|
2084 |
* committing otherwise.
|
|
|
2085 |
*
|
|
|
2086 |
* EXPERIMENTAL
|
|
|
2087 |
*
|
|
|
2088 |
* WARNING: this function is experimental and may change signature at
|
|
|
2089 |
* any time until labelled as non-experimental
|
|
|
2090 |
*
|
|
|
2091 |
* @param bool if the transaction should be rolled back regardless
|
|
|
2092 |
* even if no error was set within the nested transaction
|
|
|
2093 |
* @return mixed MDB_OK on commit/counter decrementing, false on rollback
|
|
|
2094 |
* and a MDB2 error on failure
|
|
|
2095 |
*
|
|
|
2096 |
* @access public
|
|
|
2097 |
* @since 2.1.1
|
|
|
2098 |
*/
|
|
|
2099 |
function completeNestedTransaction($force_rollback = false)
|
|
|
2100 |
{
|
|
|
2101 |
if ($this->nested_transaction_counter > 1) {
|
|
|
2102 |
$savepoint = sprintf($this->options['savepoint_format'], $this->nested_transaction_counter);
|
|
|
2103 |
if ($this->supports('savepoints') && $savepoint) {
|
|
|
2104 |
if ($force_rollback || $this->has_transaction_error) {
|
|
|
2105 |
$result = $this->rollback($savepoint);
|
|
|
2106 |
if (!PEAR::isError($result)) {
|
|
|
2107 |
$result = false;
|
|
|
2108 |
$this->has_transaction_error = false;
|
|
|
2109 |
}
|
|
|
2110 |
} else {
|
|
|
2111 |
$result = $this->commit($savepoint);
|
|
|
2112 |
}
|
|
|
2113 |
} else {
|
|
|
2114 |
$result = MDB2_OK;
|
|
|
2115 |
}
|
|
|
2116 |
--$this->nested_transaction_counter;
|
|
|
2117 |
return $result;
|
|
|
2118 |
}
|
|
|
2119 |
|
|
|
2120 |
$this->nested_transaction_counter = null;
|
|
|
2121 |
$result = MDB2_OK;
|
|
|
2122 |
|
|
|
2123 |
// transaction has not yet been rolled back
|
|
|
2124 |
if ($this->in_transaction) {
|
|
|
2125 |
if ($force_rollback || $this->has_transaction_error) {
|
|
|
2126 |
$result = $this->rollback();
|
|
|
2127 |
if (!PEAR::isError($result)) {
|
|
|
2128 |
$result = false;
|
|
|
2129 |
}
|
|
|
2130 |
} else {
|
|
|
2131 |
$result = $this->commit();
|
|
|
2132 |
}
|
|
|
2133 |
}
|
|
|
2134 |
$this->has_transaction_error = false;
|
|
|
2135 |
return $result;
|
|
|
2136 |
}
|
|
|
2137 |
|
|
|
2138 |
// }}}
|
|
|
2139 |
// {{{ function failNestedTransaction($error = null, $immediately = false)
|
|
|
2140 |
|
|
|
2141 |
/**
|
|
|
2142 |
* Force setting nested transaction to failed.
|
|
|
2143 |
*
|
|
|
2144 |
* EXPERIMENTAL
|
|
|
2145 |
*
|
|
|
2146 |
* WARNING: this function is experimental and may change signature at
|
|
|
2147 |
* any time until labelled as non-experimental
|
|
|
2148 |
*
|
|
|
2149 |
* @param mixed value to return in getNestededTransactionError()
|
|
|
2150 |
* @param bool if the transaction should be rolled back immediately
|
|
|
2151 |
* @return bool MDB2_OK
|
|
|
2152 |
*
|
|
|
2153 |
* @access public
|
|
|
2154 |
* @since 2.1.1
|
|
|
2155 |
*/
|
|
|
2156 |
function failNestedTransaction($error = null, $immediately = false)
|
|
|
2157 |
{
|
|
|
2158 |
if (is_null($error)) {
|
|
|
2159 |
$error = $this->has_transaction_error ? $this->has_transaction_error : true;
|
|
|
2160 |
} elseif (!$error) {
|
|
|
2161 |
$error = true;
|
|
|
2162 |
}
|
|
|
2163 |
$this->has_transaction_error = $error;
|
|
|
2164 |
if (!$immediately) {
|
|
|
2165 |
return MDB2_OK;
|
|
|
2166 |
}
|
|
|
2167 |
return $this->rollback();
|
|
|
2168 |
}
|
|
|
2169 |
|
|
|
2170 |
// }}}
|
|
|
2171 |
// {{{ function getNestedTransactionError()
|
|
|
2172 |
|
|
|
2173 |
/**
|
|
|
2174 |
* The first error that occured since the transaction start.
|
|
|
2175 |
*
|
|
|
2176 |
* EXPERIMENTAL
|
|
|
2177 |
*
|
|
|
2178 |
* WARNING: this function is experimental and may change signature at
|
|
|
2179 |
* any time until labelled as non-experimental
|
|
|
2180 |
*
|
|
|
2181 |
* @return MDB2_Error|bool MDB2 error object if an error occured or false.
|
|
|
2182 |
*
|
|
|
2183 |
* @access public
|
|
|
2184 |
* @since 2.1.1
|
|
|
2185 |
*/
|
|
|
2186 |
function getNestedTransactionError()
|
|
|
2187 |
{
|
|
|
2188 |
return $this->has_transaction_error;
|
|
|
2189 |
}
|
|
|
2190 |
|
|
|
2191 |
// }}}
|
|
|
2192 |
// {{{ connect()
|
|
|
2193 |
|
|
|
2194 |
/**
|
|
|
2195 |
* Connect to the database
|
|
|
2196 |
*
|
|
|
2197 |
* @return true on success, MDB2 Error Object on failure
|
|
|
2198 |
*/
|
|
|
2199 |
function connect()
|
|
|
2200 |
{
|
|
|
2201 |
return $this->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
|
|
|
2202 |
'method not implemented', __FUNCTION__);
|
|
|
2203 |
}
|
|
|
2204 |
|
|
|
2205 |
// }}}
|
|
|
2206 |
// {{{ setCharset($charset, $connection = null)
|
|
|
2207 |
|
|
|
2208 |
/**
|
|
|
2209 |
* Set the charset on the current connection
|
|
|
2210 |
*
|
|
|
2211 |
* @param string charset
|
|
|
2212 |
* @param resource connection handle
|
|
|
2213 |
*
|
|
|
2214 |
* @return true on success, MDB2 Error Object on failure
|
|
|
2215 |
*/
|
|
|
2216 |
function setCharset($charset, $connection = null)
|
|
|
2217 |
{
|
|
|
2218 |
return $this->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
|
|
|
2219 |
'method not implemented', __FUNCTION__);
|
|
|
2220 |
}
|
|
|
2221 |
|
|
|
2222 |
// }}}
|
|
|
2223 |
// {{{ function disconnect($force = true)
|
|
|
2224 |
|
|
|
2225 |
/**
|
|
|
2226 |
* Log out and disconnect from the database.
|
|
|
2227 |
*
|
|
|
2228 |
* @param bool if the disconnect should be forced even if the
|
|
|
2229 |
* connection is opened persistently
|
|
|
2230 |
*
|
|
|
2231 |
* @return mixed true on success, false if not connected and error
|
|
|
2232 |
* object on error
|
|
|
2233 |
*
|
|
|
2234 |
* @access public
|
|
|
2235 |
*/
|
|
|
2236 |
function disconnect($force = true)
|
|
|
2237 |
{
|
|
|
2238 |
$this->connection = 0;
|
|
|
2239 |
$this->connected_dsn = array();
|
|
|
2240 |
$this->connected_database_name = '';
|
|
|
2241 |
$this->opened_persistent = null;
|
|
|
2242 |
$this->connected_server_info = '';
|
|
|
2243 |
$this->in_transaction = null;
|
|
|
2244 |
$this->nested_transaction_counter = null;
|
|
|
2245 |
return MDB2_OK;
|
|
|
2246 |
}
|
|
|
2247 |
|
|
|
2248 |
// }}}
|
|
|
2249 |
// {{{ function setDatabase($name)
|
|
|
2250 |
|
|
|
2251 |
/**
|
|
|
2252 |
* Select a different database
|
|
|
2253 |
*
|
|
|
2254 |
* @param string name of the database that should be selected
|
|
|
2255 |
*
|
|
|
2256 |
* @return string name of the database previously connected to
|
|
|
2257 |
*
|
|
|
2258 |
* @access public
|
|
|
2259 |
*/
|
|
|
2260 |
function setDatabase($name)
|
|
|
2261 |
{
|
|
|
2262 |
$previous_database_name = (isset($this->database_name)) ? $this->database_name : '';
|
|
|
2263 |
$this->database_name = $name;
|
|
|
2264 |
$this->disconnect(false);
|
|
|
2265 |
return $previous_database_name;
|
|
|
2266 |
}
|
|
|
2267 |
|
|
|
2268 |
// }}}
|
|
|
2269 |
// {{{ function getDatabase()
|
|
|
2270 |
|
|
|
2271 |
/**
|
|
|
2272 |
* Get the current database
|
|
|
2273 |
*
|
|
|
2274 |
* @return string name of the database
|
|
|
2275 |
*
|
|
|
2276 |
* @access public
|
|
|
2277 |
*/
|
|
|
2278 |
function getDatabase()
|
|
|
2279 |
{
|
|
|
2280 |
return $this->database_name;
|
|
|
2281 |
}
|
|
|
2282 |
|
|
|
2283 |
// }}}
|
|
|
2284 |
// {{{ function setDSN($dsn)
|
|
|
2285 |
|
|
|
2286 |
/**
|
|
|
2287 |
* set the DSN
|
|
|
2288 |
*
|
|
|
2289 |
* @param mixed DSN string or array
|
|
|
2290 |
*
|
|
|
2291 |
* @return MDB2_OK
|
|
|
2292 |
*
|
|
|
2293 |
* @access public
|
|
|
2294 |
*/
|
|
|
2295 |
function setDSN($dsn)
|
|
|
2296 |
{
|
|
|
2297 |
$dsn_default = $GLOBALS['_MDB2_dsninfo_default'];
|
|
|
2298 |
$dsn = MDB2::parseDSN($dsn);
|
|
|
2299 |
if (array_key_exists('database', $dsn)) {
|
|
|
2300 |
$this->database_name = $dsn['database'];
|
|
|
2301 |
unset($dsn['database']);
|
|
|
2302 |
}
|
|
|
2303 |
$this->dsn = array_merge($dsn_default, $dsn);
|
|
|
2304 |
return $this->disconnect(false);
|
|
|
2305 |
}
|
|
|
2306 |
|
|
|
2307 |
// }}}
|
|
|
2308 |
// {{{ function getDSN($type = 'string', $hidepw = false)
|
|
|
2309 |
|
|
|
2310 |
/**
|
|
|
2311 |
* return the DSN as a string
|
|
|
2312 |
*
|
|
|
2313 |
* @param string format to return ("array", "string")
|
|
|
2314 |
* @param string string to hide the password with
|
|
|
2315 |
*
|
|
|
2316 |
* @return mixed DSN in the chosen type
|
|
|
2317 |
*
|
|
|
2318 |
* @access public
|
|
|
2319 |
*/
|
|
|
2320 |
function getDSN($type = 'string', $hidepw = false)
|
|
|
2321 |
{
|
|
|
2322 |
$dsn = array_merge($GLOBALS['_MDB2_dsninfo_default'], $this->dsn);
|
|
|
2323 |
$dsn['phptype'] = $this->phptype;
|
|
|
2324 |
$dsn['database'] = $this->database_name;
|
|
|
2325 |
if ($hidepw) {
|
|
|
2326 |
$dsn['password'] = $hidepw;
|
|
|
2327 |
}
|
|
|
2328 |
switch ($type) {
|
|
|
2329 |
// expand to include all possible options
|
|
|
2330 |
case 'string':
|
|
|
2331 |
$dsn = $dsn['phptype'].
|
|
|
2332 |
($dsn['dbsyntax'] ? ('('.$dsn['dbsyntax'].')') : '').
|
|
|
2333 |
'://'.$dsn['username'].':'.
|
|
|
2334 |
$dsn['password'].'@'.$dsn['hostspec'].
|
|
|
2335 |
($dsn['port'] ? (':'.$dsn['port']) : '').
|
|
|
2336 |
'/'.$dsn['database'];
|
|
|
2337 |
break;
|
|
|
2338 |
case 'array':
|
|
|
2339 |
default:
|
|
|
2340 |
break;
|
|
|
2341 |
}
|
|
|
2342 |
return $dsn;
|
|
|
2343 |
}
|
|
|
2344 |
|
|
|
2345 |
// }}}
|
|
|
2346 |
// {{{ function &standaloneQuery($query, $types = null, $is_manip = false)
|
|
|
2347 |
|
|
|
2348 |
/**
|
|
|
2349 |
* execute a query as database administrator
|
|
|
2350 |
*
|
|
|
2351 |
* @param string the SQL query
|
|
|
2352 |
* @param mixed array that contains the types of the columns in
|
|
|
2353 |
* the result set
|
|
|
2354 |
* @param bool if the query is a manipulation query
|
|
|
2355 |
*
|
|
|
2356 |
* @return mixed MDB2_OK on success, a MDB2 error on failure
|
|
|
2357 |
*
|
|
|
2358 |
* @access public
|
|
|
2359 |
*/
|
|
|
2360 |
function &standaloneQuery($query, $types = null, $is_manip = false)
|
|
|
2361 |
{
|
|
|
2362 |
$offset = $this->offset;
|
|
|
2363 |
$limit = $this->limit;
|
|
|
2364 |
$this->offset = $this->limit = 0;
|
|
|
2365 |
$query = $this->_modifyQuery($query, $is_manip, $limit, $offset);
|
|
|
2366 |
|
|
|
2367 |
$connection = $this->getConnection();
|
|
|
2368 |
if (PEAR::isError($connection)) {
|
|
|
2369 |
return $connection;
|
|
|
2370 |
}
|
|
|
2371 |
|
|
|
2372 |
$result =& $this->_doQuery($query, $is_manip, $connection, false);
|
|
|
2373 |
if (PEAR::isError($result)) {
|
|
|
2374 |
return $result;
|
|
|
2375 |
}
|
|
|
2376 |
|
|
|
2377 |
if ($is_manip) {
|
|
|
2378 |
$affected_rows = $this->_affectedRows($connection, $result);
|
|
|
2379 |
return $affected_rows;
|
|
|
2380 |
}
|
|
|
2381 |
$result =& $this->_wrapResult($result, $types, true, false, $limit, $offset);
|
|
|
2382 |
return $result;
|
|
|
2383 |
}
|
|
|
2384 |
|
|
|
2385 |
// }}}
|
|
|
2386 |
// {{{ function _modifyQuery($query, $is_manip, $limit, $offset)
|
|
|
2387 |
|
|
|
2388 |
/**
|
|
|
2389 |
* Changes a query string for various DBMS specific reasons
|
|
|
2390 |
*
|
|
|
2391 |
* @param string query to modify
|
|
|
2392 |
* @param bool if it is a DML query
|
|
|
2393 |
* @param int limit the number of rows
|
|
|
2394 |
* @param int start reading from given offset
|
|
|
2395 |
*
|
|
|
2396 |
* @return string modified query
|
|
|
2397 |
*
|
|
|
2398 |
* @access protected
|
|
|
2399 |
*/
|
|
|
2400 |
function _modifyQuery($query, $is_manip, $limit, $offset)
|
|
|
2401 |
{
|
|
|
2402 |
return $query;
|
|
|
2403 |
}
|
|
|
2404 |
|
|
|
2405 |
// }}}
|
|
|
2406 |
// {{{ function &_doQuery($query, $is_manip = false, $connection = null, $database_name = null)
|
|
|
2407 |
|
|
|
2408 |
/**
|
|
|
2409 |
* Execute a query
|
|
|
2410 |
* @param string query
|
|
|
2411 |
* @param bool if the query is a manipulation query
|
|
|
2412 |
* @param resource connection handle
|
|
|
2413 |
* @param string database name
|
|
|
2414 |
*
|
|
|
2415 |
* @return result or error object
|
|
|
2416 |
*
|
|
|
2417 |
* @access protected
|
|
|
2418 |
*/
|
|
|
2419 |
function &_doQuery($query, $is_manip = false, $connection = null, $database_name = null)
|
|
|
2420 |
{
|
|
|
2421 |
$this->last_query = $query;
|
|
|
2422 |
$result = $this->debug($query, 'query', array('is_manip' => $is_manip, 'when' => 'pre'));
|
|
|
2423 |
if ($result) {
|
|
|
2424 |
if (PEAR::isError($result)) {
|
|
|
2425 |
return $result;
|
|
|
2426 |
}
|
|
|
2427 |
$query = $result;
|
|
|
2428 |
}
|
|
|
2429 |
$err =& $this->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
|
|
|
2430 |
'method not implemented', __FUNCTION__);
|
|
|
2431 |
return $err;
|
|
|
2432 |
}
|
|
|
2433 |
|
|
|
2434 |
// }}}
|
|
|
2435 |
// {{{ function _affectedRows($connection, $result = null)
|
|
|
2436 |
|
|
|
2437 |
/**
|
|
|
2438 |
* Returns the number of rows affected
|
|
|
2439 |
*
|
|
|
2440 |
* @param resource result handle
|
|
|
2441 |
* @param resource connection handle
|
|
|
2442 |
*
|
|
|
2443 |
* @return mixed MDB2 Error Object or the number of rows affected
|
|
|
2444 |
*
|
|
|
2445 |
* @access private
|
|
|
2446 |
*/
|
|
|
2447 |
function _affectedRows($connection, $result = null)
|
|
|
2448 |
{
|
|
|
2449 |
return $this->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
|
|
|
2450 |
'method not implemented', __FUNCTION__);
|
|
|
2451 |
}
|
|
|
2452 |
|
|
|
2453 |
// }}}
|
|
|
2454 |
// {{{ function &exec($query)
|
|
|
2455 |
|
|
|
2456 |
/**
|
|
|
2457 |
* Execute a manipulation query to the database and return the number of affected rows
|
|
|
2458 |
*
|
|
|
2459 |
* @param string the SQL query
|
|
|
2460 |
*
|
|
|
2461 |
* @return mixed number of affected rows on success, a MDB2 error on failure
|
|
|
2462 |
*
|
|
|
2463 |
* @access public
|
|
|
2464 |
*/
|
|
|
2465 |
function &exec($query)
|
|
|
2466 |
{
|
|
|
2467 |
$offset = $this->offset;
|
|
|
2468 |
$limit = $this->limit;
|
|
|
2469 |
$this->offset = $this->limit = 0;
|
|
|
2470 |
$query = $this->_modifyQuery($query, true, $limit, $offset);
|
|
|
2471 |
|
|
|
2472 |
$connection = $this->getConnection();
|
|
|
2473 |
if (PEAR::isError($connection)) {
|
|
|
2474 |
return $connection;
|
|
|
2475 |
}
|
|
|
2476 |
|
|
|
2477 |
$result =& $this->_doQuery($query, true, $connection, $this->database_name);
|
|
|
2478 |
if (PEAR::isError($result)) {
|
|
|
2479 |
return $result;
|
|
|
2480 |
}
|
|
|
2481 |
|
|
|
2482 |
$affectedRows = $this->_affectedRows($connection, $result);
|
|
|
2483 |
return $affectedRows;
|
|
|
2484 |
}
|
|
|
2485 |
|
|
|
2486 |
// }}}
|
|
|
2487 |
// {{{ function &query($query, $types = null, $result_class = true, $result_wrap_class = false)
|
|
|
2488 |
|
|
|
2489 |
/**
|
|
|
2490 |
* Send a query to the database and return any results
|
|
|
2491 |
*
|
|
|
2492 |
* @param string the SQL query
|
|
|
2493 |
* @param mixed array that contains the types of the columns in
|
|
|
2494 |
* the result set
|
|
|
2495 |
* @param mixed string which specifies which result class to use
|
|
|
2496 |
* @param mixed string which specifies which class to wrap results in
|
|
|
2497 |
*
|
|
|
2498 |
* @return mixed an MDB2_Result handle on success, a MDB2 error on failure
|
|
|
2499 |
*
|
|
|
2500 |
* @access public
|
|
|
2501 |
*/
|
|
|
2502 |
function &query($query, $types = null, $result_class = true, $result_wrap_class = false)
|
|
|
2503 |
{
|
|
|
2504 |
$offset = $this->offset;
|
|
|
2505 |
$limit = $this->limit;
|
|
|
2506 |
$this->offset = $this->limit = 0;
|
|
|
2507 |
$query = $this->_modifyQuery($query, false, $limit, $offset);
|
|
|
2508 |
|
|
|
2509 |
$connection = $this->getConnection();
|
|
|
2510 |
if (PEAR::isError($connection)) {
|
|
|
2511 |
return $connection;
|
|
|
2512 |
}
|
|
|
2513 |
|
|
|
2514 |
$result =& $this->_doQuery($query, false, $connection, $this->database_name);
|
|
|
2515 |
if (PEAR::isError($result)) {
|
|
|
2516 |
return $result;
|
|
|
2517 |
}
|
|
|
2518 |
|
|
|
2519 |
$result =& $this->_wrapResult($result, $types, $result_class, $result_wrap_class, $limit, $offset);
|
|
|
2520 |
return $result;
|
|
|
2521 |
}
|
|
|
2522 |
|
|
|
2523 |
// }}}
|
|
|
2524 |
// {{{ function &_wrapResult($result, $types = array(), $result_class = true, $result_wrap_class = false, $limit = null, $offset = null)
|
|
|
2525 |
|
|
|
2526 |
/**
|
|
|
2527 |
* wrap a result set into the correct class
|
|
|
2528 |
*
|
|
|
2529 |
* @param resource result handle
|
|
|
2530 |
* @param mixed array that contains the types of the columns in
|
|
|
2531 |
* the result set
|
|
|
2532 |
* @param mixed string which specifies which result class to use
|
|
|
2533 |
* @param mixed string which specifies which class to wrap results in
|
|
|
2534 |
* @param string number of rows to select
|
|
|
2535 |
* @param string first row to select
|
|
|
2536 |
*
|
|
|
2537 |
* @return mixed an MDB2_Result, a MDB2 error on failure
|
|
|
2538 |
*
|
|
|
2539 |
* @access protected
|
|
|
2540 |
*/
|
|
|
2541 |
function &_wrapResult($result, $types = array(), $result_class = true,
|
|
|
2542 |
$result_wrap_class = false, $limit = null, $offset = null)
|
|
|
2543 |
{
|
|
|
2544 |
if ($types === true) {
|
|
|
2545 |
if ($this->supports('result_introspection')) {
|
|
|
2546 |
$this->loadModule('Reverse', null, true);
|
|
|
2547 |
$tableInfo = $this->reverse->tableInfo($result);
|
|
|
2548 |
if (PEAR::isError($tableInfo)) {
|
|
|
2549 |
return $tableInfo;
|
|
|
2550 |
}
|
|
|
2551 |
$types = array();
|
|
|
2552 |
foreach ($tableInfo as $field) {
|
|
|
2553 |
$types[] = $field['mdb2type'];
|
|
|
2554 |
}
|
|
|
2555 |
} else {
|
|
|
2556 |
$types = null;
|
|
|
2557 |
}
|
|
|
2558 |
}
|
|
|
2559 |
|
|
|
2560 |
if ($result_class === true) {
|
|
|
2561 |
$result_class = $this->options['result_buffering']
|
|
|
2562 |
? $this->options['buffered_result_class'] : $this->options['result_class'];
|
|
|
2563 |
}
|
|
|
2564 |
|
|
|
2565 |
if ($result_class) {
|
|
|
2566 |
$class_name = sprintf($result_class, $this->phptype);
|
|
|
2567 |
if (!MDB2::classExists($class_name)) {
|
|
|
2568 |
$err =& $this->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
|
|
|
2569 |
'result class does not exist '.$class_name, __FUNCTION__);
|
|
|
2570 |
return $err;
|
|
|
2571 |
}
|
|
|
2572 |
$result =& new $class_name($this, $result, $limit, $offset);
|
|
|
2573 |
if (!MDB2::isResultCommon($result)) {
|
|
|
2574 |
$err =& $this->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
|
|
|
2575 |
'result class is not extended from MDB2_Result_Common', __FUNCTION__);
|
|
|
2576 |
return $err;
|
|
|
2577 |
}
|
|
|
2578 |
if (!empty($types)) {
|
|
|
2579 |
$err = $result->setResultTypes($types);
|
|
|
2580 |
if (PEAR::isError($err)) {
|
|
|
2581 |
$result->free();
|
|
|
2582 |
return $err;
|
|
|
2583 |
}
|
|
|
2584 |
}
|
|
|
2585 |
}
|
|
|
2586 |
if ($result_wrap_class === true) {
|
|
|
2587 |
$result_wrap_class = $this->options['result_wrap_class'];
|
|
|
2588 |
}
|
|
|
2589 |
if ($result_wrap_class) {
|
|
|
2590 |
if (!MDB2::classExists($result_wrap_class)) {
|
|
|
2591 |
$err =& $this->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
|
|
|
2592 |
'result wrap class does not exist '.$result_wrap_class, __FUNCTION__);
|
|
|
2593 |
return $err;
|
|
|
2594 |
}
|
|
|
2595 |
$result =& new $result_wrap_class($result, $this->fetchmode);
|
|
|
2596 |
}
|
|
|
2597 |
return $result;
|
|
|
2598 |
}
|
|
|
2599 |
|
|
|
2600 |
// }}}
|
|
|
2601 |
// {{{ function getServerVersion($native = false)
|
|
|
2602 |
|
|
|
2603 |
/**
|
|
|
2604 |
* return version information about the server
|
|
|
2605 |
*
|
|
|
2606 |
* @param bool determines if the raw version string should be returned
|
|
|
2607 |
*
|
|
|
2608 |
* @return mixed array with version information or row string
|
|
|
2609 |
*
|
|
|
2610 |
* @access public
|
|
|
2611 |
*/
|
|
|
2612 |
function getServerVersion($native = false)
|
|
|
2613 |
{
|
|
|
2614 |
return $this->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
|
|
|
2615 |
'method not implemented', __FUNCTION__);
|
|
|
2616 |
}
|
|
|
2617 |
|
|
|
2618 |
// }}}
|
|
|
2619 |
// {{{ function setLimit($limit, $offset = null)
|
|
|
2620 |
|
|
|
2621 |
/**
|
|
|
2622 |
* set the range of the next query
|
|
|
2623 |
*
|
|
|
2624 |
* @param string number of rows to select
|
|
|
2625 |
* @param string first row to select
|
|
|
2626 |
*
|
|
|
2627 |
* @return mixed MDB2_OK on success, a MDB2 error on failure
|
|
|
2628 |
*
|
|
|
2629 |
* @access public
|
|
|
2630 |
*/
|
|
|
2631 |
function setLimit($limit, $offset = null)
|
|
|
2632 |
{
|
|
|
2633 |
if (!$this->supports('limit_queries')) {
|
|
|
2634 |
return $this->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
|
|
|
2635 |
'limit is not supported by this driver', __FUNCTION__);
|
|
|
2636 |
}
|
|
|
2637 |
$limit = (int)$limit;
|
|
|
2638 |
if ($limit < 0) {
|
|
|
2639 |
return $this->raiseError(MDB2_ERROR_SYNTAX, null, null,
|
|
|
2640 |
'it was not specified a valid selected range row limit', __FUNCTION__);
|
|
|
2641 |
}
|
|
|
2642 |
$this->limit = $limit;
|
|
|
2643 |
if (!is_null($offset)) {
|
|
|
2644 |
$offset = (int)$offset;
|
|
|
2645 |
if ($offset < 0) {
|
|
|
2646 |
return $this->raiseError(MDB2_ERROR_SYNTAX, null, null,
|
|
|
2647 |
'it was not specified a valid first selected range row', __FUNCTION__);
|
|
|
2648 |
}
|
|
|
2649 |
$this->offset = $offset;
|
|
|
2650 |
}
|
|
|
2651 |
return MDB2_OK;
|
|
|
2652 |
}
|
|
|
2653 |
|
|
|
2654 |
// }}}
|
|
|
2655 |
// {{{ function subSelect($query, $type = false)
|
|
|
2656 |
|
|
|
2657 |
/**
|
|
|
2658 |
* simple subselect emulation: leaves the query untouched for all RDBMS
|
|
|
2659 |
* that support subselects
|
|
|
2660 |
*
|
|
|
2661 |
* @param string the SQL query for the subselect that may only
|
|
|
2662 |
* return a column
|
|
|
2663 |
* @param string determines type of the field
|
|
|
2664 |
*
|
|
|
2665 |
* @return string the query
|
|
|
2666 |
*
|
|
|
2667 |
* @access public
|
|
|
2668 |
*/
|
|
|
2669 |
function subSelect($query, $type = false)
|
|
|
2670 |
{
|
|
|
2671 |
if ($this->supports('sub_selects') === true) {
|
|
|
2672 |
return $query;
|
|
|
2673 |
}
|
|
|
2674 |
|
|
|
2675 |
if (!$this->supports('sub_selects')) {
|
|
|
2676 |
return $this->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
|
|
|
2677 |
'method not implemented', __FUNCTION__);
|
|
|
2678 |
}
|
|
|
2679 |
|
|
|
2680 |
$col = $this->queryCol($query, $type);
|
|
|
2681 |
if (PEAR::isError($col)) {
|
|
|
2682 |
return $col;
|
|
|
2683 |
}
|
|
|
2684 |
if (!is_array($col) || count($col) == 0) {
|
|
|
2685 |
return 'NULL';
|
|
|
2686 |
}
|
|
|
2687 |
if ($type) {
|
|
|
2688 |
$this->loadModule('Datatype', null, true);
|
|
|
2689 |
return $this->datatype->implodeArray($col, $type);
|
|
|
2690 |
}
|
|
|
2691 |
return implode(', ', $col);
|
|
|
2692 |
}
|
|
|
2693 |
|
|
|
2694 |
// }}}
|
|
|
2695 |
// {{{ function replace($table, $fields)
|
|
|
2696 |
|
|
|
2697 |
/**
|
|
|
2698 |
* Execute a SQL REPLACE query. A REPLACE query is identical to a INSERT
|
|
|
2699 |
* query, except that if there is already a row in the table with the same
|
|
|
2700 |
* key field values, the REPLACE query just updates its values instead of
|
|
|
2701 |
* inserting a new row.
|
|
|
2702 |
*
|
|
|
2703 |
* The REPLACE type of query does not make part of the SQL standards. Since
|
|
|
2704 |
* practically only MySQL and SQLite implement it natively, this type of
|
|
|
2705 |
* query isemulated through this method for other DBMS using standard types
|
|
|
2706 |
* of queries inside a transaction to assure the atomicity of the operation.
|
|
|
2707 |
*
|
|
|
2708 |
* @param string name of the table on which the REPLACE query will
|
|
|
2709 |
* be executed.
|
|
|
2710 |
* @param array associative array that describes the fields and the
|
|
|
2711 |
* values that will be inserted or updated in the specified table. The
|
|
|
2712 |
* indexes of the array are the names of all the fields of the table.
|
|
|
2713 |
* The values of the array are also associative arrays that describe
|
|
|
2714 |
* the values and other properties of the table fields.
|
|
|
2715 |
*
|
|
|
2716 |
* Here follows a list of field properties that need to be specified:
|
|
|
2717 |
*
|
|
|
2718 |
* value
|
|
|
2719 |
* Value to be assigned to the specified field. This value may be
|
|
|
2720 |
* of specified in database independent type format as this
|
|
|
2721 |
* function can perform the necessary datatype conversions.
|
|
|
2722 |
*
|
|
|
2723 |
* Default: this property is required unless the Null property is
|
|
|
2724 |
* set to 1.
|
|
|
2725 |
*
|
|
|
2726 |
* type
|
|
|
2727 |
* Name of the type of the field. Currently, all types MDB2
|
|
|
2728 |
* are supported except for clob and blob.
|
|
|
2729 |
*
|
|
|
2730 |
* Default: no type conversion
|
|
|
2731 |
*
|
|
|
2732 |
* null
|
|
|
2733 |
* bool property that indicates that the value for this field
|
|
|
2734 |
* should be set to null.
|
|
|
2735 |
*
|
|
|
2736 |
* The default value for fields missing in INSERT queries may be
|
|
|
2737 |
* specified the definition of a table. Often, the default value
|
|
|
2738 |
* is already null, but since the REPLACE may be emulated using
|
|
|
2739 |
* an UPDATE query, make sure that all fields of the table are
|
|
|
2740 |
* listed in this function argument array.
|
|
|
2741 |
*
|
|
|
2742 |
* Default: 0
|
|
|
2743 |
*
|
|
|
2744 |
* key
|
|
|
2745 |
* bool property that indicates that this field should be
|
|
|
2746 |
* handled as a primary key or at least as part of the compound
|
|
|
2747 |
* unique index of the table that will determine the row that will
|
|
|
2748 |
* updated if it exists or inserted a new row otherwise.
|
|
|
2749 |
*
|
|
|
2750 |
* This function will fail if no key field is specified or if the
|
|
|
2751 |
* value of a key field is set to null because fields that are
|
|
|
2752 |
* part of unique index they may not be null.
|
|
|
2753 |
*
|
|
|
2754 |
* Default: 0
|
|
|
2755 |
*
|
|
|
2756 |
* @return mixed MDB2_OK on success, a MDB2 error on failure
|
|
|
2757 |
*
|
|
|
2758 |
* @access public
|
|
|
2759 |
*/
|
|
|
2760 |
function replace($table, $fields)
|
|
|
2761 |
{
|
|
|
2762 |
if (!$this->supports('replace')) {
|
|
|
2763 |
return $this->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
|
|
|
2764 |
'replace query is not supported', __FUNCTION__);
|
|
|
2765 |
}
|
|
|
2766 |
$count = count($fields);
|
|
|
2767 |
$condition = $values = array();
|
|
|
2768 |
for ($colnum = 0, reset($fields); $colnum < $count; next($fields), $colnum++) {
|
|
|
2769 |
$name = key($fields);
|
|
|
2770 |
if (isset($fields[$name]['null']) && $fields[$name]['null']) {
|
|
|
2771 |
$value = 'NULL';
|
|
|
2772 |
} else {
|
|
|
2773 |
$type = isset($fields[$name]['type']) ? $fields[$name]['type'] : null;
|
|
|
2774 |
$value = $this->quote($fields[$name]['value'], $type);
|
|
|
2775 |
}
|
|
|
2776 |
$values[$name] = $value;
|
|
|
2777 |
if (isset($fields[$name]['key']) && $fields[$name]['key']) {
|
|
|
2778 |
if ($value === 'NULL') {
|
|
|
2779 |
return $this->raiseError(MDB2_ERROR_CANNOT_REPLACE, null, null,
|
|
|
2780 |
'key value '.$name.' may not be NULL', __FUNCTION__);
|
|
|
2781 |
}
|
|
|
2782 |
$condition[] = $name . '=' . $value;
|
|
|
2783 |
}
|
|
|
2784 |
}
|
|
|
2785 |
if (empty($condition)) {
|
|
|
2786 |
return $this->raiseError(MDB2_ERROR_CANNOT_REPLACE, null, null,
|
|
|
2787 |
'not specified which fields are keys', __FUNCTION__);
|
|
|
2788 |
}
|
|
|
2789 |
|
|
|
2790 |
$result = null;
|
|
|
2791 |
$in_transaction = $this->in_transaction;
|
|
|
2792 |
if (!$in_transaction && PEAR::isError($result = $this->beginTransaction())) {
|
|
|
2793 |
return $result;
|
|
|
2794 |
}
|
|
|
2795 |
|
|
|
2796 |
$connection = $this->getConnection();
|
|
|
2797 |
if (PEAR::isError($connection)) {
|
|
|
2798 |
return $connection;
|
|
|
2799 |
}
|
|
|
2800 |
|
|
|
2801 |
$condition = ' WHERE '.implode(' AND ', $condition);
|
|
|
2802 |
$query = "DELETE FROM $table$condition";
|
|
|
2803 |
$result =& $this->_doQuery($query, true, $connection);
|
|
|
2804 |
if (!PEAR::isError($result)) {
|
|
|
2805 |
$affected_rows = $this->_affectedRows($connection, $result);
|
|
|
2806 |
$insert = implode(', ', array_keys($values));
|
|
|
2807 |
$values = implode(', ', $values);
|
|
|
2808 |
$query = "INSERT INTO $table ($insert) VALUES ($values)";
|
|
|
2809 |
$result =& $this->_doQuery($query, true, $connection);
|
|
|
2810 |
if (!PEAR::isError($result)) {
|
|
|
2811 |
$affected_rows += $this->_affectedRows($connection, $result);;
|
|
|
2812 |
}
|
|
|
2813 |
}
|
|
|
2814 |
|
|
|
2815 |
if (!$in_transaction) {
|
|
|
2816 |
if (PEAR::isError($result)) {
|
|
|
2817 |
$this->rollback();
|
|
|
2818 |
} else {
|
|
|
2819 |
$result = $this->commit();
|
|
|
2820 |
}
|
|
|
2821 |
}
|
|
|
2822 |
|
|
|
2823 |
if (PEAR::isError($result)) {
|
|
|
2824 |
return $result;
|
|
|
2825 |
}
|
|
|
2826 |
|
|
|
2827 |
return $affected_rows;
|
|
|
2828 |
}
|
|
|
2829 |
|
|
|
2830 |
// }}}
|
|
|
2831 |
// {{{ function &prepare($query, $types = null, $result_types = null, $lobs = array())
|
|
|
2832 |
|
|
|
2833 |
/**
|
|
|
2834 |
* Prepares a query for multiple execution with execute().
|
|
|
2835 |
* With some database backends, this is emulated.
|
|
|
2836 |
* prepare() requires a generic query as string like
|
|
|
2837 |
* 'INSERT INTO numbers VALUES(?,?)' or
|
|
|
2838 |
* 'INSERT INTO numbers VALUES(:foo,:bar)'.
|
|
|
2839 |
* The ? and :[a-zA-Z] and are placeholders which can be set using
|
|
|
2840 |
* bindParam() and the query can be send off using the execute() method.
|
|
|
2841 |
*
|
|
|
2842 |
* @param string the query to prepare
|
|
|
2843 |
* @param mixed array that contains the types of the placeholders
|
|
|
2844 |
* @param mixed array that contains the types of the columns in
|
|
|
2845 |
* the result set or MDB2_PREPARE_RESULT, if set to
|
|
|
2846 |
* MDB2_PREPARE_MANIP the query is handled as a manipulation query
|
|
|
2847 |
* @param mixed key (field) value (parameter) pair for all lob placeholders
|
|
|
2848 |
*
|
|
|
2849 |
* @return mixed resource handle for the prepared query on success,
|
|
|
2850 |
* a MDB2 error on failure
|
|
|
2851 |
*
|
|
|
2852 |
* @access public
|
|
|
2853 |
* @see bindParam, execute
|
|
|
2854 |
*/
|
|
|
2855 |
function &prepare($query, $types = null, $result_types = null, $lobs = array())
|
|
|
2856 |
{
|
|
|
2857 |
$is_manip = ($result_types === MDB2_PREPARE_MANIP);
|
|
|
2858 |
$offset = $this->offset;
|
|
|
2859 |
$limit = $this->limit;
|
|
|
2860 |
$this->offset = $this->limit = 0;
|
|
|
2861 |
$result = $this->debug($query, __FUNCTION__, array('is_manip' => $is_manip, 'when' => 'pre'));
|
|
|
2862 |
if ($result) {
|
|
|
2863 |
if (PEAR::isError($result)) {
|
|
|
2864 |
return $result;
|
|
|
2865 |
}
|
|
|
2866 |
$query = $result;
|
|
|
2867 |
}
|
|
|
2868 |
$placeholder_type_guess = $placeholder_type = null;
|
|
|
2869 |
$question = '?';
|
|
|
2870 |
$colon = ':';
|
|
|
2871 |
$positions = array();
|
|
|
2872 |
$position = 0;
|
|
|
2873 |
$ignores = $this->sql_comments;
|
|
|
2874 |
$ignores[] = $this->string_quoting;
|
|
|
2875 |
$ignores[] = $this->identifier_quoting;
|
|
|
2876 |
while ($position < strlen($query)) {
|
|
|
2877 |
$q_position = strpos($query, $question, $position);
|
|
|
2878 |
$c_position = strpos($query, $colon, $position);
|
|
|
2879 |
if ($q_position && $c_position) {
|
|
|
2880 |
$p_position = min($q_position, $c_position);
|
|
|
2881 |
} elseif ($q_position) {
|
|
|
2882 |
$p_position = $q_position;
|
|
|
2883 |
} elseif ($c_position) {
|
|
|
2884 |
$p_position = $c_position;
|
|
|
2885 |
} else {
|
|
|
2886 |
break;
|
|
|
2887 |
}
|
|
|
2888 |
if (is_null($placeholder_type)) {
|
|
|
2889 |
$placeholder_type_guess = $query[$p_position];
|
|
|
2890 |
}
|
|
|
2891 |
|
|
|
2892 |
$new_pos = $this->_skipDelimitedStrings($query, $position, $p_position);
|
|
|
2893 |
if (PEAR::isError($new_pos)) {
|
|
|
2894 |
return $new_pos;
|
|
|
2895 |
}
|
|
|
2896 |
if ($new_pos != $position) {
|
|
|
2897 |
$position = $new_pos;
|
|
|
2898 |
continue; //evaluate again starting from the new position
|
|
|
2899 |
}
|
|
|
2900 |
|
|
|
2901 |
if ($query[$position] == $placeholder_type_guess) {
|
|
|
2902 |
if (is_null($placeholder_type)) {
|
|
|
2903 |
$placeholder_type = $query[$p_position];
|
|
|
2904 |
$question = $colon = $placeholder_type;
|
|
|
2905 |
if (!empty($types) && is_array($types)) {
|
|
|
2906 |
if ($placeholder_type == ':') {
|
|
|
2907 |
if (is_int(key($types))) {
|
|
|
2908 |
$types_tmp = $types;
|
|
|
2909 |
$types = array();
|
|
|
2910 |
$count = -1;
|
|
|
2911 |
}
|
|
|
2912 |
} else {
|
|
|
2913 |
$types = array_values($types);
|
|
|
2914 |
}
|
|
|
2915 |
}
|
|
|
2916 |
}
|
|
|
2917 |
if ($placeholder_type == ':') {
|
|
|
2918 |
$parameter = preg_replace('/^.{'.($position+1).'}([a-z0-9_]+).*$/si', '\\1', $query);
|
|
|
2919 |
if ($parameter === '') {
|
|
|
2920 |
$err =& $this->raiseError(MDB2_ERROR_SYNTAX, null, null,
|
|
|
2921 |
'named parameter with an empty name', __FUNCTION__);
|
|
|
2922 |
return $err;
|
|
|
2923 |
}
|
|
|
2924 |
$positions[$p_position] = $parameter;
|
|
|
2925 |
$query = substr_replace($query, '?', $position, strlen($parameter)+1);
|
|
|
2926 |
// use parameter name in type array
|
|
|
2927 |
if (isset($count) && isset($types_tmp[++$count])) {
|
|
|
2928 |
$types[$parameter] = $types_tmp[$count];
|
|
|
2929 |
}
|
|
|
2930 |
} else {
|
|
|
2931 |
$positions[$p_position] = count($positions);
|
|
|
2932 |
}
|
|
|
2933 |
$position = $p_position + 1;
|
|
|
2934 |
} else {
|
|
|
2935 |
$position = $p_position;
|
|
|
2936 |
}
|
|
|
2937 |
}
|
|
|
2938 |
$class_name = 'MDB2_Statement_'.$this->phptype;
|
|
|
2939 |
$statement = null;
|
|
|
2940 |
$obj =& new $class_name($this, $statement, $positions, $query, $types, $result_types, $is_manip, $limit, $offset);
|
|
|
2941 |
$this->debug($query, __FUNCTION__, array('is_manip' => $is_manip, 'when' => 'post', 'result' => $obj));
|
|
|
2942 |
return $obj;
|
|
|
2943 |
}
|
|
|
2944 |
|
|
|
2945 |
// }}}
|
|
|
2946 |
// {{{ function _skipDelimitedStrings($query, $position, $p_position)
|
|
|
2947 |
|
|
|
2948 |
/**
|
|
|
2949 |
* Utility method, used by prepare() to avoid replacing placeholders within delimited strings.
|
|
|
2950 |
* Check if the placeholder is contained within a delimited string.
|
|
|
2951 |
* If so, skip it and advance the position, otherwise return the current position,
|
|
|
2952 |
* which is valid
|
|
|
2953 |
*
|
|
|
2954 |
* @param string $query
|
|
|
2955 |
* @param integer $position current string cursor position
|
|
|
2956 |
* @param integer $p_position placeholder position
|
|
|
2957 |
*
|
|
|
2958 |
* @return mixed integer $new_position on success
|
|
|
2959 |
* MDB2_Error on failure
|
|
|
2960 |
*
|
|
|
2961 |
* @access protected
|
|
|
2962 |
*/
|
|
|
2963 |
function _skipDelimitedStrings($query, $position, $p_position)
|
|
|
2964 |
{
|
|
|
2965 |
$ignores = $this->sql_comments;
|
|
|
2966 |
$ignores[] = $this->string_quoting;
|
|
|
2967 |
$ignores[] = $this->identifier_quoting;
|
|
|
2968 |
|
|
|
2969 |
foreach ($ignores as $ignore) {
|
|
|
2970 |
if (!empty($ignore['start'])) {
|
|
|
2971 |
if (is_int($start_quote = strpos($query, $ignore['start'], $position)) && $start_quote < $p_position) {
|
|
|
2972 |
$end_quote = $start_quote;
|
|
|
2973 |
do {
|
|
|
2974 |
if (!is_int($end_quote = strpos($query, $ignore['end'], $end_quote + 1))) {
|
|
|
2975 |
if ($ignore['end'] === "\n") {
|
|
|
2976 |
$end_quote = strlen($query) - 1;
|
|
|
2977 |
} else {
|
|
|
2978 |
$err =& $this->raiseError(MDB2_ERROR_SYNTAX, null, null,
|
|
|
2979 |
'query with an unterminated text string specified', __FUNCTION__);
|
|
|
2980 |
return $err;
|
|
|
2981 |
}
|
|
|
2982 |
}
|
|
|
2983 |
} while ($ignore['escape'] && $query[($end_quote - 1)] == $ignore['escape']);
|
|
|
2984 |
$position = $end_quote + 1;
|
|
|
2985 |
return $position;
|
|
|
2986 |
}
|
|
|
2987 |
}
|
|
|
2988 |
}
|
|
|
2989 |
return $position;
|
|
|
2990 |
}
|
|
|
2991 |
|
|
|
2992 |
// }}}
|
|
|
2993 |
// {{{ function quote($value, $type = null, $quote = true)
|
|
|
2994 |
|
|
|
2995 |
/**
|
|
|
2996 |
* Convert a text value into a DBMS specific format that is suitable to
|
|
|
2997 |
* compose query statements.
|
|
|
2998 |
*
|
|
|
2999 |
* @param string text string value that is intended to be converted.
|
|
|
3000 |
* @param string type to which the value should be converted to
|
|
|
3001 |
* @param bool quote
|
|
|
3002 |
* @param bool escape wildcards
|
|
|
3003 |
*
|
|
|
3004 |
* @return string text string that represents the given argument value in
|
|
|
3005 |
* a DBMS specific format.
|
|
|
3006 |
*
|
|
|
3007 |
* @access public
|
|
|
3008 |
*/
|
|
|
3009 |
function quote($value, $type = null, $quote = true, $escape_wildcards = false)
|
|
|
3010 |
{
|
|
|
3011 |
$result = $this->loadModule('Datatype', null, true);
|
|
|
3012 |
if (PEAR::isError($result)) {
|
|
|
3013 |
return $result;
|
|
|
3014 |
}
|
|
|
3015 |
|
|
|
3016 |
return $this->datatype->quote($value, $type, $quote, $escape_wildcards);
|
|
|
3017 |
}
|
|
|
3018 |
|
|
|
3019 |
// }}}
|
|
|
3020 |
// {{{ function getDeclaration($type, $name, $field)
|
|
|
3021 |
|
|
|
3022 |
/**
|
|
|
3023 |
* Obtain DBMS specific SQL code portion needed to declare
|
|
|
3024 |
* of the given type
|
|
|
3025 |
*
|
|
|
3026 |
* @param string type to which the value should be converted to
|
|
|
3027 |
* @param string name the field to be declared.
|
|
|
3028 |
* @param string definition of the field
|
|
|
3029 |
*
|
|
|
3030 |
* @return string DBMS specific SQL code portion that should be used to
|
|
|
3031 |
* declare the specified field.
|
|
|
3032 |
*
|
|
|
3033 |
* @access public
|
|
|
3034 |
*/
|
|
|
3035 |
function getDeclaration($type, $name, $field)
|
|
|
3036 |
{
|
|
|
3037 |
$result = $this->loadModule('Datatype', null, true);
|
|
|
3038 |
if (PEAR::isError($result)) {
|
|
|
3039 |
return $result;
|
|
|
3040 |
}
|
|
|
3041 |
return $this->datatype->getDeclaration($type, $name, $field);
|
|
|
3042 |
}
|
|
|
3043 |
|
|
|
3044 |
// }}}
|
|
|
3045 |
// {{{ function compareDefinition($current, $previous)
|
|
|
3046 |
|
|
|
3047 |
/**
|
|
|
3048 |
* Obtain an array of changes that may need to applied
|
|
|
3049 |
*
|
|
|
3050 |
* @param array new definition
|
|
|
3051 |
* @param array old definition
|
|
|
3052 |
*
|
|
|
3053 |
* @return array containing all changes that will need to be applied
|
|
|
3054 |
*
|
|
|
3055 |
* @access public
|
|
|
3056 |
*/
|
|
|
3057 |
function compareDefinition($current, $previous)
|
|
|
3058 |
{
|
|
|
3059 |
$result = $this->loadModule('Datatype', null, true);
|
|
|
3060 |
if (PEAR::isError($result)) {
|
|
|
3061 |
return $result;
|
|
|
3062 |
}
|
|
|
3063 |
return $this->datatype->compareDefinition($current, $previous);
|
|
|
3064 |
}
|
|
|
3065 |
|
|
|
3066 |
// }}}
|
|
|
3067 |
// {{{ function supports($feature)
|
|
|
3068 |
|
|
|
3069 |
/**
|
|
|
3070 |
* Tell whether a DB implementation or its backend extension
|
|
|
3071 |
* supports a given feature.
|
|
|
3072 |
*
|
|
|
3073 |
* @param string name of the feature (see the MDB2 class doc)
|
|
|
3074 |
*
|
|
|
3075 |
* @return bool|string if this DB implementation supports a given feature
|
|
|
3076 |
* false means no, true means native,
|
|
|
3077 |
* 'emulated' means emulated
|
|
|
3078 |
*
|
|
|
3079 |
* @access public
|
|
|
3080 |
*/
|
|
|
3081 |
function supports($feature)
|
|
|
3082 |
{
|
|
|
3083 |
if (array_key_exists($feature, $this->supported)) {
|
|
|
3084 |
return $this->supported[$feature];
|
|
|
3085 |
}
|
|
|
3086 |
return $this->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
|
|
|
3087 |
"unknown support feature $feature", __FUNCTION__);
|
|
|
3088 |
}
|
|
|
3089 |
|
|
|
3090 |
// }}}
|
|
|
3091 |
// {{{ function getSequenceName($sqn)
|
|
|
3092 |
|
|
|
3093 |
/**
|
|
|
3094 |
* adds sequence name formatting to a sequence name
|
|
|
3095 |
*
|
|
|
3096 |
* @param string name of the sequence
|
|
|
3097 |
*
|
|
|
3098 |
* @return string formatted sequence name
|
|
|
3099 |
*
|
|
|
3100 |
* @access public
|
|
|
3101 |
*/
|
|
|
3102 |
function getSequenceName($sqn)
|
|
|
3103 |
{
|
|
|
3104 |
return sprintf($this->options['seqname_format'],
|
|
|
3105 |
preg_replace('/[^a-z0-9_\$.]/i', '_', $sqn));
|
|
|
3106 |
}
|
|
|
3107 |
|
|
|
3108 |
// }}}
|
|
|
3109 |
// {{{ function getIndexName($idx)
|
|
|
3110 |
|
|
|
3111 |
/**
|
|
|
3112 |
* adds index name formatting to a index name
|
|
|
3113 |
*
|
|
|
3114 |
* @param string name of the index
|
|
|
3115 |
*
|
|
|
3116 |
* @return string formatted index name
|
|
|
3117 |
*
|
|
|
3118 |
* @access public
|
|
|
3119 |
*/
|
|
|
3120 |
function getIndexName($idx)
|
|
|
3121 |
{
|
|
|
3122 |
return sprintf($this->options['idxname_format'],
|
|
|
3123 |
preg_replace('/[^a-z0-9_\$]/i', '_', $idx));
|
|
|
3124 |
}
|
|
|
3125 |
|
|
|
3126 |
// }}}
|
|
|
3127 |
// {{{ function nextID($seq_name, $ondemand = true)
|
|
|
3128 |
|
|
|
3129 |
/**
|
|
|
3130 |
* Returns the next free id of a sequence
|
|
|
3131 |
*
|
|
|
3132 |
* @param string name of the sequence
|
|
|
3133 |
* @param bool when true missing sequences are automatic created
|
|
|
3134 |
*
|
|
|
3135 |
* @return mixed MDB2 Error Object or id
|
|
|
3136 |
*
|
|
|
3137 |
* @access public
|
|
|
3138 |
*/
|
|
|
3139 |
function nextID($seq_name, $ondemand = true)
|
|
|
3140 |
{
|
|
|
3141 |
return $this->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
|
|
|
3142 |
'method not implemented', __FUNCTION__);
|
|
|
3143 |
}
|
|
|
3144 |
|
|
|
3145 |
// }}}
|
|
|
3146 |
// {{{ function lastInsertID($table = null, $field = null)
|
|
|
3147 |
|
|
|
3148 |
/**
|
|
|
3149 |
* Returns the autoincrement ID if supported or $id or fetches the current
|
|
|
3150 |
* ID in a sequence called: $table.(empty($field) ? '' : '_'.$field)
|
|
|
3151 |
*
|
|
|
3152 |
* @param string name of the table into which a new row was inserted
|
|
|
3153 |
* @param string name of the field into which a new row was inserted
|
|
|
3154 |
*
|
|
|
3155 |
* @return mixed MDB2 Error Object or id
|
|
|
3156 |
*
|
|
|
3157 |
* @access public
|
|
|
3158 |
*/
|
|
|
3159 |
function lastInsertID($table = null, $field = null)
|
|
|
3160 |
{
|
|
|
3161 |
return $this->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
|
|
|
3162 |
'method not implemented', __FUNCTION__);
|
|
|
3163 |
}
|
|
|
3164 |
|
|
|
3165 |
// }}}
|
|
|
3166 |
// {{{ function currID($seq_name)
|
|
|
3167 |
|
|
|
3168 |
/**
|
|
|
3169 |
* Returns the current id of a sequence
|
|
|
3170 |
*
|
|
|
3171 |
* @param string name of the sequence
|
|
|
3172 |
*
|
|
|
3173 |
* @return mixed MDB2 Error Object or id
|
|
|
3174 |
*
|
|
|
3175 |
* @access public
|
|
|
3176 |
*/
|
|
|
3177 |
function currID($seq_name)
|
|
|
3178 |
{
|
|
|
3179 |
$this->warnings[] = 'database does not support getting current
|
|
|
3180 |
sequence value, the sequence value was incremented';
|
|
|
3181 |
return $this->nextID($seq_name);
|
|
|
3182 |
}
|
|
|
3183 |
|
|
|
3184 |
// }}}
|
|
|
3185 |
// {{{ function queryOne($query, $type = null, $colnum = 0)
|
|
|
3186 |
|
|
|
3187 |
/**
|
|
|
3188 |
* Execute the specified query, fetch the value from the first column of
|
|
|
3189 |
* the first row of the result set and then frees
|
|
|
3190 |
* the result set.
|
|
|
3191 |
*
|
|
|
3192 |
* @param string the SELECT query statement to be executed.
|
|
|
3193 |
* @param string optional argument that specifies the expected
|
|
|
3194 |
* datatype of the result set field, so that an eventual conversion
|
|
|
3195 |
* may be performed. The default datatype is text, meaning that no
|
|
|
3196 |
* conversion is performed
|
|
|
3197 |
* @param int the column number to fetch
|
|
|
3198 |
*
|
|
|
3199 |
* @return mixed MDB2_OK or field value on success, a MDB2 error on failure
|
|
|
3200 |
*
|
|
|
3201 |
* @access public
|
|
|
3202 |
*/
|
|
|
3203 |
function queryOne($query, $type = null, $colnum = 0)
|
|
|
3204 |
{
|
|
|
3205 |
$result = $this->query($query, $type);
|
|
|
3206 |
if (!MDB2::isResultCommon($result)) {
|
|
|
3207 |
return $result;
|
|
|
3208 |
}
|
|
|
3209 |
|
|
|
3210 |
$one = $result->fetchOne($colnum);
|
|
|
3211 |
$result->free();
|
|
|
3212 |
return $one;
|
|
|
3213 |
}
|
|
|
3214 |
|
|
|
3215 |
// }}}
|
|
|
3216 |
// {{{ function queryRow($query, $types = null, $fetchmode = MDB2_FETCHMODE_DEFAULT)
|
|
|
3217 |
|
|
|
3218 |
/**
|
|
|
3219 |
* Execute the specified query, fetch the values from the first
|
|
|
3220 |
* row of the result set into an array and then frees
|
|
|
3221 |
* the result set.
|
|
|
3222 |
*
|
|
|
3223 |
* @param string the SELECT query statement to be executed.
|
|
|
3224 |
* @param array optional array argument that specifies a list of
|
|
|
3225 |
* expected datatypes of the result set columns, so that the eventual
|
|
|
3226 |
* conversions may be performed. The default list of datatypes is
|
|
|
3227 |
* empty, meaning that no conversion is performed.
|
|
|
3228 |
* @param int how the array data should be indexed
|
|
|
3229 |
*
|
|
|
3230 |
* @return mixed MDB2_OK or data array on success, a MDB2 error on failure
|
|
|
3231 |
*
|
|
|
3232 |
* @access public
|
|
|
3233 |
*/
|
|
|
3234 |
function queryRow($query, $types = null, $fetchmode = MDB2_FETCHMODE_DEFAULT)
|
|
|
3235 |
{
|
|
|
3236 |
$result = $this->query($query, $types);
|
|
|
3237 |
if (!MDB2::isResultCommon($result)) {
|
|
|
3238 |
return $result;
|
|
|
3239 |
}
|
|
|
3240 |
|
|
|
3241 |
$row = $result->fetchRow($fetchmode);
|
|
|
3242 |
$result->free();
|
|
|
3243 |
return $row;
|
|
|
3244 |
}
|
|
|
3245 |
|
|
|
3246 |
// }}}
|
|
|
3247 |
// {{{ function queryCol($query, $type = null, $colnum = 0)
|
|
|
3248 |
|
|
|
3249 |
/**
|
|
|
3250 |
* Execute the specified query, fetch the value from the first column of
|
|
|
3251 |
* each row of the result set into an array and then frees the result set.
|
|
|
3252 |
*
|
|
|
3253 |
* @param string the SELECT query statement to be executed.
|
|
|
3254 |
* @param string optional argument that specifies the expected
|
|
|
3255 |
* datatype of the result set field, so that an eventual conversion
|
|
|
3256 |
* may be performed. The default datatype is text, meaning that no
|
|
|
3257 |
* conversion is performed
|
|
|
3258 |
* @param int the row number to fetch
|
|
|
3259 |
*
|
|
|
3260 |
* @return mixed MDB2_OK or data array on success, a MDB2 error on failure
|
|
|
3261 |
*
|
|
|
3262 |
* @access public
|
|
|
3263 |
*/
|
|
|
3264 |
function queryCol($query, $type = null, $colnum = 0)
|
|
|
3265 |
{
|
|
|
3266 |
$result = $this->query($query, $type);
|
|
|
3267 |
if (!MDB2::isResultCommon($result)) {
|
|
|
3268 |
return $result;
|
|
|
3269 |
}
|
|
|
3270 |
|
|
|
3271 |
$col = $result->fetchCol($colnum);
|
|
|
3272 |
$result->free();
|
|
|
3273 |
return $col;
|
|
|
3274 |
}
|
|
|
3275 |
|
|
|
3276 |
// }}}
|
|
|
3277 |
// {{{ function queryAll($query, $types = null, $fetchmode = MDB2_FETCHMODE_DEFAULT, $rekey = false, $force_array = false, $group = false)
|
|
|
3278 |
|
|
|
3279 |
/**
|
|
|
3280 |
* Execute the specified query, fetch all the rows of the result set into
|
|
|
3281 |
* a two dimensional array and then frees the result set.
|
|
|
3282 |
*
|
|
|
3283 |
* @param string the SELECT query statement to be executed.
|
|
|
3284 |
* @param array optional array argument that specifies a list of
|
|
|
3285 |
* expected datatypes of the result set columns, so that the eventual
|
|
|
3286 |
* conversions may be performed. The default list of datatypes is
|
|
|
3287 |
* empty, meaning that no conversion is performed.
|
|
|
3288 |
* @param int how the array data should be indexed
|
|
|
3289 |
* @param bool if set to true, the $all will have the first
|
|
|
3290 |
* column as its first dimension
|
|
|
3291 |
* @param bool used only when the query returns exactly
|
|
|
3292 |
* two columns. If true, the values of the returned array will be
|
|
|
3293 |
* one-element arrays instead of scalars.
|
|
|
3294 |
* @param bool if true, the values of the returned array is
|
|
|
3295 |
* wrapped in another array. If the same key value (in the first
|
|
|
3296 |
* column) repeats itself, the values will be appended to this array
|
|
|
3297 |
* instead of overwriting the existing values.
|
|
|
3298 |
*
|
|
|
3299 |
* @return mixed MDB2_OK or data array on success, a MDB2 error on failure
|
|
|
3300 |
*
|
|
|
3301 |
* @access public
|
|
|
3302 |
*/
|
|
|
3303 |
function queryAll($query, $types = null, $fetchmode = MDB2_FETCHMODE_DEFAULT,
|
|
|
3304 |
$rekey = false, $force_array = false, $group = false)
|
|
|
3305 |
{
|
|
|
3306 |
$result = $this->query($query, $types);
|
|
|
3307 |
if (!MDB2::isResultCommon($result)) {
|
|
|
3308 |
return $result;
|
|
|
3309 |
}
|
|
|
3310 |
|
|
|
3311 |
$all = $result->fetchAll($fetchmode, $rekey, $force_array, $group);
|
|
|
3312 |
$result->free();
|
|
|
3313 |
return $all;
|
|
|
3314 |
}
|
|
|
3315 |
|
|
|
3316 |
// }}}
|
|
|
3317 |
}
|
|
|
3318 |
|
|
|
3319 |
// }}}
|
|
|
3320 |
// {{{ class MDB2_Result
|
|
|
3321 |
|
|
|
3322 |
/**
|
|
|
3323 |
* The dummy class that all user space result classes should extend from
|
|
|
3324 |
*
|
|
|
3325 |
* @package MDB2
|
|
|
3326 |
* @category Database
|
|
|
3327 |
* @author Lukas Smith <smith@pooteeweet.org>
|
|
|
3328 |
*/
|
|
|
3329 |
class MDB2_Result
|
|
|
3330 |
{
|
|
|
3331 |
}
|
|
|
3332 |
|
|
|
3333 |
// }}}
|
|
|
3334 |
// {{{ class MDB2_Result_Common extends MDB2_Result
|
|
|
3335 |
|
|
|
3336 |
/**
|
|
|
3337 |
* The common result class for MDB2 result objects
|
|
|
3338 |
*
|
|
|
3339 |
* @package MDB2
|
|
|
3340 |
* @category Database
|
|
|
3341 |
* @author Lukas Smith <smith@pooteeweet.org>
|
|
|
3342 |
*/
|
|
|
3343 |
class MDB2_Result_Common extends MDB2_Result
|
|
|
3344 |
{
|
|
|
3345 |
// {{{ Variables (Properties)
|
|
|
3346 |
|
|
|
3347 |
var $db;
|
|
|
3348 |
var $result;
|
|
|
3349 |
var $rownum = -1;
|
|
|
3350 |
var $types = array();
|
|
|
3351 |
var $values = array();
|
|
|
3352 |
var $offset;
|
|
|
3353 |
var $offset_count = 0;
|
|
|
3354 |
var $limit;
|
|
|
3355 |
var $column_names;
|
|
|
3356 |
|
|
|
3357 |
// }}}
|
|
|
3358 |
// {{{ constructor: function __construct(&$db, &$result, $limit = 0, $offset = 0)
|
|
|
3359 |
|
|
|
3360 |
/**
|
|
|
3361 |
* Constructor
|
|
|
3362 |
*/
|
|
|
3363 |
function __construct(&$db, &$result, $limit = 0, $offset = 0)
|
|
|
3364 |
{
|
|
|
3365 |
$this->db =& $db;
|
|
|
3366 |
$this->result =& $result;
|
|
|
3367 |
$this->offset = $offset;
|
|
|
3368 |
$this->limit = max(0, $limit - 1);
|
|
|
3369 |
}
|
|
|
3370 |
|
|
|
3371 |
// }}}
|
|
|
3372 |
// {{{ function MDB2_Result_Common(&$db, &$result, $limit = 0, $offset = 0)
|
|
|
3373 |
|
|
|
3374 |
/**
|
|
|
3375 |
* PHP 4 Constructor
|
|
|
3376 |
*/
|
|
|
3377 |
function MDB2_Result_Common(&$db, &$result, $limit = 0, $offset = 0)
|
|
|
3378 |
{
|
|
|
3379 |
$this->__construct($db, $result, $limit, $offset);
|
|
|
3380 |
}
|
|
|
3381 |
|
|
|
3382 |
// }}}
|
|
|
3383 |
// {{{ function setResultTypes($types)
|
|
|
3384 |
|
|
|
3385 |
/**
|
|
|
3386 |
* Define the list of types to be associated with the columns of a given
|
|
|
3387 |
* result set.
|
|
|
3388 |
*
|
|
|
3389 |
* This function may be called before invoking fetchRow(), fetchOne(),
|
|
|
3390 |
* fetchCol() and fetchAll() so that the necessary data type
|
|
|
3391 |
* conversions are performed on the data to be retrieved by them. If this
|
|
|
3392 |
* function is not called, the type of all result set columns is assumed
|
|
|
3393 |
* to be text, thus leading to not perform any conversions.
|
|
|
3394 |
*
|
|
|
3395 |
* @param array variable that lists the
|
|
|
3396 |
* data types to be expected in the result set columns. If this array
|
|
|
3397 |
* contains less types than the number of columns that are returned
|
|
|
3398 |
* in the result set, the remaining columns are assumed to be of the
|
|
|
3399 |
* type text. Currently, the types clob and blob are not fully
|
|
|
3400 |
* supported.
|
|
|
3401 |
*
|
|
|
3402 |
* @return mixed MDB2_OK on success, a MDB2 error on failure
|
|
|
3403 |
*
|
|
|
3404 |
* @access public
|
|
|
3405 |
*/
|
|
|
3406 |
function setResultTypes($types)
|
|
|
3407 |
{
|
|
|
3408 |
$load = $this->db->loadModule('Datatype', null, true);
|
|
|
3409 |
if (PEAR::isError($load)) {
|
|
|
3410 |
return $load;
|
|
|
3411 |
}
|
|
|
3412 |
$types = $this->db->datatype->checkResultTypes($types);
|
|
|
3413 |
if (PEAR::isError($types)) {
|
|
|
3414 |
return $types;
|
|
|
3415 |
}
|
|
|
3416 |
$this->types = $types;
|
|
|
3417 |
return MDB2_OK;
|
|
|
3418 |
}
|
|
|
3419 |
|
|
|
3420 |
// }}}
|
|
|
3421 |
// {{{ function seek($rownum = 0)
|
|
|
3422 |
|
|
|
3423 |
/**
|
|
|
3424 |
* Seek to a specific row in a result set
|
|
|
3425 |
*
|
|
|
3426 |
* @param int number of the row where the data can be found
|
|
|
3427 |
*
|
|
|
3428 |
* @return mixed MDB2_OK on success, a MDB2 error on failure
|
|
|
3429 |
*
|
|
|
3430 |
* @access public
|
|
|
3431 |
*/
|
|
|
3432 |
function seek($rownum = 0)
|
|
|
3433 |
{
|
|
|
3434 |
$target_rownum = $rownum - 1;
|
|
|
3435 |
if ($this->rownum > $target_rownum) {
|
|
|
3436 |
return $this->db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
|
|
|
3437 |
'seeking to previous rows not implemented', __FUNCTION__);
|
|
|
3438 |
}
|
|
|
3439 |
while ($this->rownum < $target_rownum) {
|
|
|
3440 |
$this->fetchRow();
|
|
|
3441 |
}
|
|
|
3442 |
return MDB2_OK;
|
|
|
3443 |
}
|
|
|
3444 |
|
|
|
3445 |
// }}}
|
|
|
3446 |
// {{{ function &fetchRow($fetchmode = MDB2_FETCHMODE_DEFAULT, $rownum = null)
|
|
|
3447 |
|
|
|
3448 |
/**
|
|
|
3449 |
* Fetch and return a row of data
|
|
|
3450 |
*
|
|
|
3451 |
* @param int how the array data should be indexed
|
|
|
3452 |
* @param int number of the row where the data can be found
|
|
|
3453 |
*
|
|
|
3454 |
* @return int data array on success, a MDB2 error on failure
|
|
|
3455 |
*
|
|
|
3456 |
* @access public
|
|
|
3457 |
*/
|
|
|
3458 |
function &fetchRow($fetchmode = MDB2_FETCHMODE_DEFAULT, $rownum = null)
|
|
|
3459 |
{
|
|
|
3460 |
$err =& $this->db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
|
|
|
3461 |
'method not implemented', __FUNCTION__);
|
|
|
3462 |
return $err;
|
|
|
3463 |
}
|
|
|
3464 |
|
|
|
3465 |
// }}}
|
|
|
3466 |
// {{{ function fetchOne($colnum = 0)
|
|
|
3467 |
|
|
|
3468 |
/**
|
|
|
3469 |
* fetch single column from the next row from a result set
|
|
|
3470 |
*
|
|
|
3471 |
* @param int the column number to fetch
|
|
|
3472 |
* @param int number of the row where the data can be found
|
|
|
3473 |
*
|
|
|
3474 |
* @return string data on success, a MDB2 error on failure
|
|
|
3475 |
*
|
|
|
3476 |
* @access public
|
|
|
3477 |
*/
|
|
|
3478 |
function fetchOne($colnum = 0, $rownum = null)
|
|
|
3479 |
{
|
|
|
3480 |
$fetchmode = is_numeric($colnum) ? MDB2_FETCHMODE_ORDERED : MDB2_FETCHMODE_ASSOC;
|
|
|
3481 |
$row = $this->fetchRow($fetchmode, $rownum);
|
|
|
3482 |
if (!is_array($row) || PEAR::isError($row)) {
|
|
|
3483 |
return $row;
|
|
|
3484 |
}
|
|
|
3485 |
if (!array_key_exists($colnum, $row)) {
|
|
|
3486 |
return $this->db->raiseError(MDB2_ERROR_TRUNCATED, null, null,
|
|
|
3487 |
'column is not defined in the result set: '.$colnum, __FUNCTION__);
|
|
|
3488 |
}
|
|
|
3489 |
return $row[$colnum];
|
|
|
3490 |
}
|
|
|
3491 |
|
|
|
3492 |
// }}}
|
|
|
3493 |
// {{{ function fetchCol($colnum = 0)
|
|
|
3494 |
|
|
|
3495 |
/**
|
|
|
3496 |
* Fetch and return a column from the current row pointer position
|
|
|
3497 |
*
|
|
|
3498 |
* @param int the column number to fetch
|
|
|
3499 |
*
|
|
|
3500 |
* @return mixed data array on success, a MDB2 error on failure
|
|
|
3501 |
*
|
|
|
3502 |
* @access public
|
|
|
3503 |
*/
|
|
|
3504 |
function fetchCol($colnum = 0)
|
|
|
3505 |
{
|
|
|
3506 |
$column = array();
|
|
|
3507 |
$fetchmode = is_numeric($colnum) ? MDB2_FETCHMODE_ORDERED : MDB2_FETCHMODE_ASSOC;
|
|
|
3508 |
$row = $this->fetchRow($fetchmode);
|
|
|
3509 |
if (is_array($row)) {
|
|
|
3510 |
if (!array_key_exists($colnum, $row)) {
|
|
|
3511 |
return $this->db->raiseError(MDB2_ERROR_TRUNCATED, null, null,
|
|
|
3512 |
'column is not defined in the result set: '.$colnum, __FUNCTION__);
|
|
|
3513 |
}
|
|
|
3514 |
do {
|
|
|
3515 |
$column[] = $row[$colnum];
|
|
|
3516 |
} while (is_array($row = $this->fetchRow($fetchmode)));
|
|
|
3517 |
}
|
|
|
3518 |
if (PEAR::isError($row)) {
|
|
|
3519 |
return $row;
|
|
|
3520 |
}
|
|
|
3521 |
return $column;
|
|
|
3522 |
}
|
|
|
3523 |
|
|
|
3524 |
// }}}
|
|
|
3525 |
// {{{ function fetchAll($fetchmode = MDB2_FETCHMODE_DEFAULT, $rekey = false, $force_array = false, $group = false)
|
|
|
3526 |
|
|
|
3527 |
/**
|
|
|
3528 |
* Fetch and return all rows from the current row pointer position
|
|
|
3529 |
*
|
|
|
3530 |
* @param int $fetchmode the fetch mode to use:
|
|
|
3531 |
* + MDB2_FETCHMODE_ORDERED
|
|
|
3532 |
* + MDB2_FETCHMODE_ASSOC
|
|
|
3533 |
* + MDB2_FETCHMODE_ORDERED | MDB2_FETCHMODE_FLIPPED
|
|
|
3534 |
* + MDB2_FETCHMODE_ASSOC | MDB2_FETCHMODE_FLIPPED
|
|
|
3535 |
* @param bool if set to true, the $all will have the first
|
|
|
3536 |
* column as its first dimension
|
|
|
3537 |
* @param bool used only when the query returns exactly
|
|
|
3538 |
* two columns. If true, the values of the returned array will be
|
|
|
3539 |
* one-element arrays instead of scalars.
|
|
|
3540 |
* @param bool if true, the values of the returned array is
|
|
|
3541 |
* wrapped in another array. If the same key value (in the first
|
|
|
3542 |
* column) repeats itself, the values will be appended to this array
|
|
|
3543 |
* instead of overwriting the existing values.
|
|
|
3544 |
*
|
|
|
3545 |
* @return mixed data array on success, a MDB2 error on failure
|
|
|
3546 |
*
|
|
|
3547 |
* @access public
|
|
|
3548 |
* @see getAssoc()
|
|
|
3549 |
*/
|
|
|
3550 |
function fetchAll($fetchmode = MDB2_FETCHMODE_DEFAULT, $rekey = false,
|
|
|
3551 |
$force_array = false, $group = false)
|
|
|
3552 |
{
|
|
|
3553 |
$all = array();
|
|
|
3554 |
$row = $this->fetchRow($fetchmode);
|
|
|
3555 |
if (PEAR::isError($row)) {
|
|
|
3556 |
return $row;
|
|
|
3557 |
} elseif (!$row) {
|
|
|
3558 |
return $all;
|
|
|
3559 |
}
|
|
|
3560 |
|
|
|
3561 |
$shift_array = $rekey ? false : null;
|
|
|
3562 |
if (!is_null($shift_array)) {
|
|
|
3563 |
if (is_object($row)) {
|
|
|
3564 |
$colnum = count(get_object_vars($row));
|
|
|
3565 |
} else {
|
|
|
3566 |
$colnum = count($row);
|
|
|
3567 |
}
|
|
|
3568 |
if ($colnum < 2) {
|
|
|
3569 |
return $this->db->raiseError(MDB2_ERROR_TRUNCATED, null, null,
|
|
|
3570 |
'rekey feature requires atleast 2 column', __FUNCTION__);
|
|
|
3571 |
}
|
|
|
3572 |
$shift_array = (!$force_array && $colnum == 2);
|
|
|
3573 |
}
|
|
|
3574 |
|
|
|
3575 |
if ($rekey) {
|
|
|
3576 |
do {
|
|
|
3577 |
if (is_object($row)) {
|
|
|
3578 |
$arr = get_object_vars($row);
|
|
|
3579 |
$key = reset($arr);
|
|
|
3580 |
unset($row->{$key});
|
|
|
3581 |
} else {
|
|
|
3582 |
if ($fetchmode & MDB2_FETCHMODE_ASSOC) {
|
|
|
3583 |
$key = reset($row);
|
|
|
3584 |
unset($row[key($row)]);
|
|
|
3585 |
} else {
|
|
|
3586 |
$key = array_shift($row);
|
|
|
3587 |
}
|
|
|
3588 |
if ($shift_array) {
|
|
|
3589 |
$row = array_shift($row);
|
|
|
3590 |
}
|
|
|
3591 |
}
|
|
|
3592 |
if ($group) {
|
|
|
3593 |
$all[$key][] = $row;
|
|
|
3594 |
} else {
|
|
|
3595 |
$all[$key] = $row;
|
|
|
3596 |
}
|
|
|
3597 |
} while (($row = $this->fetchRow($fetchmode)));
|
|
|
3598 |
} elseif ($fetchmode & MDB2_FETCHMODE_FLIPPED) {
|
|
|
3599 |
do {
|
|
|
3600 |
foreach ($row as $key => $val) {
|
|
|
3601 |
$all[$key][] = $val;
|
|
|
3602 |
}
|
|
|
3603 |
} while (($row = $this->fetchRow($fetchmode)));
|
|
|
3604 |
} else {
|
|
|
3605 |
do {
|
|
|
3606 |
$all[] = $row;
|
|
|
3607 |
} while (($row = $this->fetchRow($fetchmode)));
|
|
|
3608 |
}
|
|
|
3609 |
|
|
|
3610 |
return $all;
|
|
|
3611 |
}
|
|
|
3612 |
|
|
|
3613 |
// }}}
|
|
|
3614 |
// {{{ function rowCount()
|
|
|
3615 |
/**
|
|
|
3616 |
* Returns the actual row number that was last fetched (count from 0)
|
|
|
3617 |
* @return int
|
|
|
3618 |
*
|
|
|
3619 |
* @access public
|
|
|
3620 |
*/
|
|
|
3621 |
function rowCount()
|
|
|
3622 |
{
|
|
|
3623 |
return $this->rownum + 1;
|
|
|
3624 |
}
|
|
|
3625 |
|
|
|
3626 |
// }}}
|
|
|
3627 |
// {{{ function numRows()
|
|
|
3628 |
|
|
|
3629 |
/**
|
|
|
3630 |
* Returns the number of rows in a result object
|
|
|
3631 |
*
|
|
|
3632 |
* @return mixed MDB2 Error Object or the number of rows
|
|
|
3633 |
*
|
|
|
3634 |
* @access public
|
|
|
3635 |
*/
|
|
|
3636 |
function numRows()
|
|
|
3637 |
{
|
|
|
3638 |
return $this->db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
|
|
|
3639 |
'method not implemented', __FUNCTION__);
|
|
|
3640 |
}
|
|
|
3641 |
|
|
|
3642 |
// }}}
|
|
|
3643 |
// {{{ function nextResult()
|
|
|
3644 |
|
|
|
3645 |
/**
|
|
|
3646 |
* Move the internal result pointer to the next available result
|
|
|
3647 |
*
|
|
|
3648 |
* @return true on success, false if there is no more result set or an error object on failure
|
|
|
3649 |
*
|
|
|
3650 |
* @access public
|
|
|
3651 |
*/
|
|
|
3652 |
function nextResult()
|
|
|
3653 |
{
|
|
|
3654 |
return $this->db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
|
|
|
3655 |
'method not implemented', __FUNCTION__);
|
|
|
3656 |
}
|
|
|
3657 |
|
|
|
3658 |
// }}}
|
|
|
3659 |
// {{{ function getColumnNames()
|
|
|
3660 |
|
|
|
3661 |
/**
|
|
|
3662 |
* Retrieve the names of columns returned by the DBMS in a query result or
|
|
|
3663 |
* from the cache.
|
|
|
3664 |
*
|
|
|
3665 |
* @param bool If set to true the values are the column names,
|
|
|
3666 |
* otherwise the names of the columns are the keys.
|
|
|
3667 |
* @return mixed Array variable that holds the names of columns or an
|
|
|
3668 |
* MDB2 error on failure.
|
|
|
3669 |
* Some DBMS may not return any columns when the result set
|
|
|
3670 |
* does not contain any rows.
|
|
|
3671 |
*
|
|
|
3672 |
* @access public
|
|
|
3673 |
*/
|
|
|
3674 |
function getColumnNames($flip = false)
|
|
|
3675 |
{
|
|
|
3676 |
if (!isset($this->column_names)) {
|
|
|
3677 |
$result = $this->_getColumnNames();
|
|
|
3678 |
if (PEAR::isError($result)) {
|
|
|
3679 |
return $result;
|
|
|
3680 |
}
|
|
|
3681 |
$this->column_names = $result;
|
|
|
3682 |
}
|
|
|
3683 |
if ($flip) {
|
|
|
3684 |
return array_flip($this->column_names);
|
|
|
3685 |
}
|
|
|
3686 |
return $this->column_names;
|
|
|
3687 |
}
|
|
|
3688 |
|
|
|
3689 |
// }}}
|
|
|
3690 |
// {{{ function _getColumnNames()
|
|
|
3691 |
|
|
|
3692 |
/**
|
|
|
3693 |
* Retrieve the names of columns returned by the DBMS in a query result.
|
|
|
3694 |
*
|
|
|
3695 |
* @return mixed Array variable that holds the names of columns as keys
|
|
|
3696 |
* or an MDB2 error on failure.
|
|
|
3697 |
* Some DBMS may not return any columns when the result set
|
|
|
3698 |
* does not contain any rows.
|
|
|
3699 |
*
|
|
|
3700 |
* @access private
|
|
|
3701 |
*/
|
|
|
3702 |
function _getColumnNames()
|
|
|
3703 |
{
|
|
|
3704 |
return $this->db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
|
|
|
3705 |
'method not implemented', __FUNCTION__);
|
|
|
3706 |
}
|
|
|
3707 |
|
|
|
3708 |
// }}}
|
|
|
3709 |
// {{{ function numCols()
|
|
|
3710 |
|
|
|
3711 |
/**
|
|
|
3712 |
* Count the number of columns returned by the DBMS in a query result.
|
|
|
3713 |
*
|
|
|
3714 |
* @return mixed integer value with the number of columns, a MDB2 error
|
|
|
3715 |
* on failure
|
|
|
3716 |
*
|
|
|
3717 |
* @access public
|
|
|
3718 |
*/
|
|
|
3719 |
function numCols()
|
|
|
3720 |
{
|
|
|
3721 |
return $this->db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
|
|
|
3722 |
'method not implemented', __FUNCTION__);
|
|
|
3723 |
}
|
|
|
3724 |
|
|
|
3725 |
// }}}
|
|
|
3726 |
// {{{ function getResource()
|
|
|
3727 |
|
|
|
3728 |
/**
|
|
|
3729 |
* return the resource associated with the result object
|
|
|
3730 |
*
|
|
|
3731 |
* @return resource
|
|
|
3732 |
*
|
|
|
3733 |
* @access public
|
|
|
3734 |
*/
|
|
|
3735 |
function getResource()
|
|
|
3736 |
{
|
|
|
3737 |
return $this->result;
|
|
|
3738 |
}
|
|
|
3739 |
|
|
|
3740 |
// }}}
|
|
|
3741 |
// {{{ function bindColumn($column, &$value, $type = null)
|
|
|
3742 |
|
|
|
3743 |
/**
|
|
|
3744 |
* Set bind variable to a column.
|
|
|
3745 |
*
|
|
|
3746 |
* @param int column number or name
|
|
|
3747 |
* @param mixed variable reference
|
|
|
3748 |
* @param string specifies the type of the field
|
|
|
3749 |
*
|
|
|
3750 |
* @return mixed MDB2_OK on success, a MDB2 error on failure
|
|
|
3751 |
*
|
|
|
3752 |
* @access public
|
|
|
3753 |
*/
|
|
|
3754 |
function bindColumn($column, &$value, $type = null)
|
|
|
3755 |
{
|
|
|
3756 |
if (!is_numeric($column)) {
|
|
|
3757 |
$column_names = $this->getColumnNames();
|
|
|
3758 |
if ($this->db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
|
|
|
3759 |
if ($this->db->options['field_case'] == CASE_LOWER) {
|
|
|
3760 |
$column = strtolower($column);
|
|
|
3761 |
} else {
|
|
|
3762 |
$column = strtoupper($column);
|
|
|
3763 |
}
|
|
|
3764 |
}
|
|
|
3765 |
$column = $column_names[$column];
|
|
|
3766 |
}
|
|
|
3767 |
$this->values[$column] =& $value;
|
|
|
3768 |
if (!is_null($type)) {
|
|
|
3769 |
$this->types[$column] = $type;
|
|
|
3770 |
}
|
|
|
3771 |
return MDB2_OK;
|
|
|
3772 |
}
|
|
|
3773 |
|
|
|
3774 |
// }}}
|
|
|
3775 |
// {{{ function _assignBindColumns($row)
|
|
|
3776 |
|
|
|
3777 |
/**
|
|
|
3778 |
* Bind a variable to a value in the result row.
|
|
|
3779 |
*
|
|
|
3780 |
* @param array row data
|
|
|
3781 |
*
|
|
|
3782 |
* @return mixed MDB2_OK on success, a MDB2 error on failure
|
|
|
3783 |
*
|
|
|
3784 |
* @access private
|
|
|
3785 |
*/
|
|
|
3786 |
function _assignBindColumns($row)
|
|
|
3787 |
{
|
|
|
3788 |
$row = array_values($row);
|
|
|
3789 |
foreach ($row as $column => $value) {
|
|
|
3790 |
if (array_key_exists($column, $this->values)) {
|
|
|
3791 |
$this->values[$column] = $value;
|
|
|
3792 |
}
|
|
|
3793 |
}
|
|
|
3794 |
return MDB2_OK;
|
|
|
3795 |
}
|
|
|
3796 |
|
|
|
3797 |
// }}}
|
|
|
3798 |
// {{{ function free()
|
|
|
3799 |
|
|
|
3800 |
/**
|
|
|
3801 |
* Free the internal resources associated with result.
|
|
|
3802 |
*
|
|
|
3803 |
* @return bool true on success, false if result is invalid
|
|
|
3804 |
*
|
|
|
3805 |
* @access public
|
|
|
3806 |
*/
|
|
|
3807 |
function free()
|
|
|
3808 |
{
|
|
|
3809 |
$this->result = false;
|
|
|
3810 |
return MDB2_OK;
|
|
|
3811 |
}
|
|
|
3812 |
|
|
|
3813 |
// }}}
|
|
|
3814 |
}
|
|
|
3815 |
|
|
|
3816 |
// }}}
|
|
|
3817 |
// {{{ class MDB2_Row
|
|
|
3818 |
|
|
|
3819 |
/**
|
|
|
3820 |
* The simple class that accepts row data as an array
|
|
|
3821 |
*
|
|
|
3822 |
* @package MDB2
|
|
|
3823 |
* @category Database
|
|
|
3824 |
* @author Lukas Smith <smith@pooteeweet.org>
|
|
|
3825 |
*/
|
|
|
3826 |
class MDB2_Row
|
|
|
3827 |
{
|
|
|
3828 |
// {{{ constructor: function __construct(&$row)
|
|
|
3829 |
|
|
|
3830 |
/**
|
|
|
3831 |
* constructor
|
|
|
3832 |
*
|
|
|
3833 |
* @param resource row data as array
|
|
|
3834 |
*/
|
|
|
3835 |
function __construct(&$row)
|
|
|
3836 |
{
|
|
|
3837 |
foreach ($row as $key => $value) {
|
|
|
3838 |
$this->$key = &$row[$key];
|
|
|
3839 |
}
|
|
|
3840 |
}
|
|
|
3841 |
|
|
|
3842 |
// }}}
|
|
|
3843 |
// {{{ function MDB2_Row(&$row)
|
|
|
3844 |
|
|
|
3845 |
/**
|
|
|
3846 |
* PHP 4 Constructor
|
|
|
3847 |
*
|
|
|
3848 |
* @param resource row data as array
|
|
|
3849 |
*/
|
|
|
3850 |
function MDB2_Row(&$row)
|
|
|
3851 |
{
|
|
|
3852 |
$this->__construct($row);
|
|
|
3853 |
}
|
|
|
3854 |
|
|
|
3855 |
// }}}
|
|
|
3856 |
}
|
|
|
3857 |
|
|
|
3858 |
// }}}
|
|
|
3859 |
// {{{ class MDB2_Statement_Common
|
|
|
3860 |
|
|
|
3861 |
/**
|
|
|
3862 |
* The common statement class for MDB2 statement objects
|
|
|
3863 |
*
|
|
|
3864 |
* @package MDB2
|
|
|
3865 |
* @category Database
|
|
|
3866 |
* @author Lukas Smith <smith@pooteeweet.org>
|
|
|
3867 |
*/
|
|
|
3868 |
class MDB2_Statement_Common
|
|
|
3869 |
{
|
|
|
3870 |
// {{{ Variables (Properties)
|
|
|
3871 |
|
|
|
3872 |
var $db;
|
|
|
3873 |
var $statement;
|
|
|
3874 |
var $query;
|
|
|
3875 |
var $result_types;
|
|
|
3876 |
var $types;
|
|
|
3877 |
var $values = array();
|
|
|
3878 |
var $limit;
|
|
|
3879 |
var $offset;
|
|
|
3880 |
var $is_manip;
|
|
|
3881 |
|
|
|
3882 |
// }}}
|
|
|
3883 |
// {{{ constructor: function __construct(&$db, &$statement, $positions, $query, $types, $result_types, $is_manip = false, $limit = null, $offset = null)
|
|
|
3884 |
|
|
|
3885 |
/**
|
|
|
3886 |
* Constructor
|
|
|
3887 |
*/
|
|
|
3888 |
function __construct(&$db, &$statement, $positions, $query, $types, $result_types, $is_manip = false, $limit = null, $offset = null)
|
|
|
3889 |
{
|
|
|
3890 |
$this->db =& $db;
|
|
|
3891 |
$this->statement =& $statement;
|
|
|
3892 |
$this->positions = $positions;
|
|
|
3893 |
$this->query = $query;
|
|
|
3894 |
$this->types = (array)$types;
|
|
|
3895 |
$this->result_types = (array)$result_types;
|
|
|
3896 |
$this->limit = $limit;
|
|
|
3897 |
$this->is_manip = $is_manip;
|
|
|
3898 |
$this->offset = $offset;
|
|
|
3899 |
}
|
|
|
3900 |
|
|
|
3901 |
// }}}
|
|
|
3902 |
// {{{ function MDB2_Statement_Common(&$db, &$statement, $positions, $query, $types, $result_types, $is_manip = false, $limit = null, $offset = null)
|
|
|
3903 |
|
|
|
3904 |
/**
|
|
|
3905 |
* PHP 4 Constructor
|
|
|
3906 |
*/
|
|
|
3907 |
function MDB2_Statement_Common(&$db, &$statement, $positions, $query, $types, $result_types, $is_manip = false, $limit = null, $offset = null)
|
|
|
3908 |
{
|
|
|
3909 |
$this->__construct($db, $statement, $positions, $query, $types, $result_types, $is_manip, $limit, $offset);
|
|
|
3910 |
}
|
|
|
3911 |
|
|
|
3912 |
// }}}
|
|
|
3913 |
// {{{ function bindValue($parameter, &$value, $type = null)
|
|
|
3914 |
|
|
|
3915 |
/**
|
|
|
3916 |
* Set the value of a parameter of a prepared query.
|
|
|
3917 |
*
|
|
|
3918 |
* @param int the order number of the parameter in the query
|
|
|
3919 |
* statement. The order number of the first parameter is 1.
|
|
|
3920 |
* @param mixed value that is meant to be assigned to specified
|
|
|
3921 |
* parameter. The type of the value depends on the $type argument.
|
|
|
3922 |
* @param string specifies the type of the field
|
|
|
3923 |
*
|
|
|
3924 |
* @return mixed MDB2_OK on success, a MDB2 error on failure
|
|
|
3925 |
*
|
|
|
3926 |
* @access public
|
|
|
3927 |
*/
|
|
|
3928 |
function bindValue($parameter, $value, $type = null)
|
|
|
3929 |
{
|
|
|
3930 |
if (!is_numeric($parameter)) {
|
|
|
3931 |
$parameter = preg_replace('/^:(.*)$/', '\\1', $parameter);
|
|
|
3932 |
}
|
|
|
3933 |
if (!in_array($parameter, $this->positions)) {
|
|
|
3934 |
return $this->db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
|
|
|
3935 |
'Unable to bind to missing placeholder: '.$parameter, __FUNCTION__);
|
|
|
3936 |
}
|
|
|
3937 |
$this->values[$parameter] = $value;
|
|
|
3938 |
if (!is_null($type)) {
|
|
|
3939 |
$this->types[$parameter] = $type;
|
|
|
3940 |
}
|
|
|
3941 |
return MDB2_OK;
|
|
|
3942 |
}
|
|
|
3943 |
|
|
|
3944 |
// }}}
|
|
|
3945 |
// {{{ function bindValueArray($values, $types = null)
|
|
|
3946 |
|
|
|
3947 |
/**
|
|
|
3948 |
* Set the values of multiple a parameter of a prepared query in bulk.
|
|
|
3949 |
*
|
|
|
3950 |
* @param array specifies all necessary information
|
|
|
3951 |
* for bindValue() the array elements must use keys corresponding to
|
|
|
3952 |
* the number of the position of the parameter.
|
|
|
3953 |
* @param array specifies the types of the fields
|
|
|
3954 |
*
|
|
|
3955 |
* @return mixed MDB2_OK on success, a MDB2 error on failure
|
|
|
3956 |
*
|
|
|
3957 |
* @access public
|
|
|
3958 |
* @see bindParam()
|
|
|
3959 |
*/
|
|
|
3960 |
function bindValueArray($values, $types = null)
|
|
|
3961 |
{
|
|
|
3962 |
$types = is_array($types) ? array_values($types) : array_fill(0, count($values), null);
|
|
|
3963 |
$parameters = array_keys($values);
|
|
|
3964 |
foreach ($parameters as $key => $parameter) {
|
|
|
3965 |
$err = $this->bindValue($parameter, $values[$parameter], $types[$key]);
|
|
|
3966 |
if (PEAR::isError($err)) {
|
|
|
3967 |
return $err;
|
|
|
3968 |
}
|
|
|
3969 |
}
|
|
|
3970 |
return MDB2_OK;
|
|
|
3971 |
}
|
|
|
3972 |
|
|
|
3973 |
// }}}
|
|
|
3974 |
// {{{ function bindParam($parameter, &$value, $type = null)
|
|
|
3975 |
|
|
|
3976 |
/**
|
|
|
3977 |
* Bind a variable to a parameter of a prepared query.
|
|
|
3978 |
*
|
|
|
3979 |
* @param int the order number of the parameter in the query
|
|
|
3980 |
* statement. The order number of the first parameter is 1.
|
|
|
3981 |
* @param mixed variable that is meant to be bound to specified
|
|
|
3982 |
* parameter. The type of the value depends on the $type argument.
|
|
|
3983 |
* @param string specifies the type of the field
|
|
|
3984 |
*
|
|
|
3985 |
* @return mixed MDB2_OK on success, a MDB2 error on failure
|
|
|
3986 |
*
|
|
|
3987 |
* @access public
|
|
|
3988 |
*/
|
|
|
3989 |
function bindParam($parameter, &$value, $type = null)
|
|
|
3990 |
{
|
|
|
3991 |
if (!is_numeric($parameter)) {
|
|
|
3992 |
$parameter = preg_replace('/^:(.*)$/', '\\1', $parameter);
|
|
|
3993 |
}
|
|
|
3994 |
if (!in_array($parameter, $this->positions)) {
|
|
|
3995 |
return $this->db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
|
|
|
3996 |
'Unable to bind to missing placeholder: '.$parameter, __FUNCTION__);
|
|
|
3997 |
}
|
|
|
3998 |
$this->values[$parameter] =& $value;
|
|
|
3999 |
if (!is_null($type)) {
|
|
|
4000 |
$this->types[$parameter] = $type;
|
|
|
4001 |
}
|
|
|
4002 |
return MDB2_OK;
|
|
|
4003 |
}
|
|
|
4004 |
|
|
|
4005 |
// }}}
|
|
|
4006 |
// {{{ function bindParamArray(&$values, $types = null)
|
|
|
4007 |
|
|
|
4008 |
/**
|
|
|
4009 |
* Bind the variables of multiple a parameter of a prepared query in bulk.
|
|
|
4010 |
*
|
|
|
4011 |
* @param array specifies all necessary information
|
|
|
4012 |
* for bindParam() the array elements must use keys corresponding to
|
|
|
4013 |
* the number of the position of the parameter.
|
|
|
4014 |
* @param array specifies the types of the fields
|
|
|
4015 |
*
|
|
|
4016 |
* @return mixed MDB2_OK on success, a MDB2 error on failure
|
|
|
4017 |
*
|
|
|
4018 |
* @access public
|
|
|
4019 |
* @see bindParam()
|
|
|
4020 |
*/
|
|
|
4021 |
function bindParamArray(&$values, $types = null)
|
|
|
4022 |
{
|
|
|
4023 |
$types = is_array($types) ? array_values($types) : array_fill(0, count($values), null);
|
|
|
4024 |
$parameters = array_keys($values);
|
|
|
4025 |
foreach ($parameters as $key => $parameter) {
|
|
|
4026 |
$err = $this->bindParam($parameter, $values[$parameter], $types[$key]);
|
|
|
4027 |
if (PEAR::isError($err)) {
|
|
|
4028 |
return $err;
|
|
|
4029 |
}
|
|
|
4030 |
}
|
|
|
4031 |
return MDB2_OK;
|
|
|
4032 |
}
|
|
|
4033 |
|
|
|
4034 |
// }}}
|
|
|
4035 |
// {{{ function &execute($values = null, $result_class = true, $result_wrap_class = false)
|
|
|
4036 |
|
|
|
4037 |
/**
|
|
|
4038 |
* Execute a prepared query statement.
|
|
|
4039 |
*
|
|
|
4040 |
* @param array specifies all necessary information
|
|
|
4041 |
* for bindParam() the array elements must use keys corresponding to
|
|
|
4042 |
* the number of the position of the parameter.
|
|
|
4043 |
* @param mixed specifies which result class to use
|
|
|
4044 |
* @param mixed specifies which class to wrap results in
|
|
|
4045 |
*
|
|
|
4046 |
* @return mixed a result handle or MDB2_OK on success, a MDB2 error on failure
|
|
|
4047 |
*
|
|
|
4048 |
* @access public
|
|
|
4049 |
*/
|
|
|
4050 |
function &execute($values = null, $result_class = true, $result_wrap_class = false)
|
|
|
4051 |
{
|
|
|
4052 |
if (is_null($this->positions)) {
|
|
|
4053 |
return $this->db->raiseError(MDB2_ERROR, null, null,
|
|
|
4054 |
'Prepared statement has already been freed', __FUNCTION__);
|
|
|
4055 |
}
|
|
|
4056 |
|
|
|
4057 |
$values = (array)$values;
|
|
|
4058 |
if (!empty($values)) {
|
|
|
4059 |
$err = $this->bindValueArray($values);
|
|
|
4060 |
if (PEAR::isError($err)) {
|
|
|
4061 |
return $this->db->raiseError(MDB2_ERROR, null, null,
|
|
|
4062 |
'Binding Values failed with message: ' . $err->getMessage(), __FUNCTION__);
|
|
|
4063 |
}
|
|
|
4064 |
}
|
|
|
4065 |
$result =& $this->_execute($result_class, $result_wrap_class);
|
|
|
4066 |
return $result;
|
|
|
4067 |
}
|
|
|
4068 |
|
|
|
4069 |
// }}}
|
|
|
4070 |
// {{{ function &_execute($result_class = true, $result_wrap_class = false)
|
|
|
4071 |
|
|
|
4072 |
/**
|
|
|
4073 |
* Execute a prepared query statement helper method.
|
|
|
4074 |
*
|
|
|
4075 |
* @param mixed specifies which result class to use
|
|
|
4076 |
* @param mixed specifies which class to wrap results in
|
|
|
4077 |
*
|
|
|
4078 |
* @return mixed MDB2_Result or integer on success, a MDB2 error on failure
|
|
|
4079 |
*
|
|
|
4080 |
* @access private
|
|
|
4081 |
*/
|
|
|
4082 |
function &_execute($result_class = true, $result_wrap_class = false)
|
|
|
4083 |
{
|
|
|
4084 |
$this->last_query = $this->query;
|
|
|
4085 |
$query = '';
|
|
|
4086 |
$last_position = 0;
|
|
|
4087 |
foreach ($this->positions as $current_position => $parameter) {
|
|
|
4088 |
if (!array_key_exists($parameter, $this->values)) {
|
|
|
4089 |
return $this->db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
|
|
|
4090 |
'Unable to bind to missing placeholder: '.$parameter, __FUNCTION__);
|
|
|
4091 |
}
|
|
|
4092 |
$value = $this->values[$parameter];
|
|
|
4093 |
$query.= substr($this->query, $last_position, $current_position - $last_position);
|
|
|
4094 |
if (!isset($value)) {
|
|
|
4095 |
$value_quoted = 'NULL';
|
|
|
4096 |
} else {
|
|
|
4097 |
$type = !empty($this->types[$parameter]) ? $this->types[$parameter] : null;
|
|
|
4098 |
$value_quoted = $this->db->quote($value, $type);
|
|
|
4099 |
if (PEAR::isError($value_quoted)) {
|
|
|
4100 |
return $value_quoted;
|
|
|
4101 |
}
|
|
|
4102 |
}
|
|
|
4103 |
$query.= $value_quoted;
|
|
|
4104 |
$last_position = $current_position + 1;
|
|
|
4105 |
}
|
|
|
4106 |
$query.= substr($this->query, $last_position);
|
|
|
4107 |
|
|
|
4108 |
$this->db->offset = $this->offset;
|
|
|
4109 |
$this->db->limit = $this->limit;
|
|
|
4110 |
if ($this->is_manip) {
|
|
|
4111 |
$result = $this->db->exec($query);
|
|
|
4112 |
} else {
|
|
|
4113 |
$result =& $this->db->query($query, $this->result_types, $result_class, $result_wrap_class);
|
|
|
4114 |
}
|
|
|
4115 |
return $result;
|
|
|
4116 |
}
|
|
|
4117 |
|
|
|
4118 |
// }}}
|
|
|
4119 |
// {{{ function free()
|
|
|
4120 |
|
|
|
4121 |
/**
|
|
|
4122 |
* Release resources allocated for the specified prepared query.
|
|
|
4123 |
*
|
|
|
4124 |
* @return mixed MDB2_OK on success, a MDB2 error on failure
|
|
|
4125 |
*
|
|
|
4126 |
* @access public
|
|
|
4127 |
*/
|
|
|
4128 |
function free()
|
|
|
4129 |
{
|
|
|
4130 |
if (is_null($this->positions)) {
|
|
|
4131 |
return $this->db->raiseError(MDB2_ERROR, null, null,
|
|
|
4132 |
'Prepared statement has already been freed', __FUNCTION__);
|
|
|
4133 |
}
|
|
|
4134 |
|
|
|
4135 |
$this->statement = null;
|
|
|
4136 |
$this->positions = null;
|
|
|
4137 |
$this->query = null;
|
|
|
4138 |
$this->types = null;
|
|
|
4139 |
$this->result_types = null;
|
|
|
4140 |
$this->limit = null;
|
|
|
4141 |
$this->is_manip = null;
|
|
|
4142 |
$this->offset = null;
|
|
|
4143 |
$this->values = null;
|
|
|
4144 |
|
|
|
4145 |
return MDB2_OK;
|
|
|
4146 |
}
|
|
|
4147 |
|
|
|
4148 |
// }}}
|
|
|
4149 |
}
|
|
|
4150 |
|
|
|
4151 |
// }}}
|
|
|
4152 |
// {{{ class MDB2_Module_Common
|
|
|
4153 |
|
|
|
4154 |
/**
|
|
|
4155 |
* The common modules class for MDB2 module objects
|
|
|
4156 |
*
|
|
|
4157 |
* @package MDB2
|
|
|
4158 |
* @category Database
|
|
|
4159 |
* @author Lukas Smith <smith@pooteeweet.org>
|
|
|
4160 |
*/
|
|
|
4161 |
class MDB2_Module_Common
|
|
|
4162 |
{
|
|
|
4163 |
// {{{ Variables (Properties)
|
|
|
4164 |
|
|
|
4165 |
/**
|
|
|
4166 |
* contains the key to the global MDB2 instance array of the associated
|
|
|
4167 |
* MDB2 instance
|
|
|
4168 |
*
|
|
|
4169 |
* @var int
|
|
|
4170 |
* @access protected
|
|
|
4171 |
*/
|
|
|
4172 |
var $db_index;
|
|
|
4173 |
|
|
|
4174 |
// }}}
|
|
|
4175 |
// {{{ constructor: function __construct($db_index)
|
|
|
4176 |
|
|
|
4177 |
/**
|
|
|
4178 |
* Constructor
|
|
|
4179 |
*/
|
|
|
4180 |
function __construct($db_index)
|
|
|
4181 |
{
|
|
|
4182 |
$this->db_index = $db_index;
|
|
|
4183 |
}
|
|
|
4184 |
|
|
|
4185 |
// }}}
|
|
|
4186 |
// {{{ function MDB2_Module_Common($db_index)
|
|
|
4187 |
|
|
|
4188 |
/**
|
|
|
4189 |
* PHP 4 Constructor
|
|
|
4190 |
*/
|
|
|
4191 |
function MDB2_Module_Common($db_index)
|
|
|
4192 |
{
|
|
|
4193 |
$this->__construct($db_index);
|
|
|
4194 |
}
|
|
|
4195 |
|
|
|
4196 |
// }}}
|
|
|
4197 |
// {{{ function &getDBInstance()
|
|
|
4198 |
|
|
|
4199 |
/**
|
|
|
4200 |
* Get the instance of MDB2 associated with the module instance
|
|
|
4201 |
*
|
|
|
4202 |
* @return object MDB2 instance or a MDB2 error on failure
|
|
|
4203 |
*
|
|
|
4204 |
* @access public
|
|
|
4205 |
*/
|
|
|
4206 |
function &getDBInstance()
|
|
|
4207 |
{
|
|
|
4208 |
if (isset($GLOBALS['_MDB2_databases'][$this->db_index])) {
|
|
|
4209 |
$result =& $GLOBALS['_MDB2_databases'][$this->db_index];
|
|
|
4210 |
} else {
|
|
|
4211 |
$result =& MDB2::raiseError(MDB2_ERROR_NOT_FOUND, null, null,
|
|
|
4212 |
'could not find MDB2 instance');
|
|
|
4213 |
}
|
|
|
4214 |
return $result;
|
|
|
4215 |
}
|
|
|
4216 |
|
|
|
4217 |
// }}}
|
|
|
4218 |
}
|
|
|
4219 |
|
|
|
4220 |
// }}}
|
|
|
4221 |
// {{{ function MDB2_closeOpenTransactions()
|
|
|
4222 |
|
|
|
4223 |
/**
|
|
|
4224 |
* Close any open transactions form persistent connections
|
|
|
4225 |
*
|
|
|
4226 |
* @return void
|
|
|
4227 |
*
|
|
|
4228 |
* @access public
|
|
|
4229 |
*/
|
|
|
4230 |
|
|
|
4231 |
function MDB2_closeOpenTransactions()
|
|
|
4232 |
{
|
|
|
4233 |
reset($GLOBALS['_MDB2_databases']);
|
|
|
4234 |
while (next($GLOBALS['_MDB2_databases'])) {
|
|
|
4235 |
$key = key($GLOBALS['_MDB2_databases']);
|
|
|
4236 |
if ($GLOBALS['_MDB2_databases'][$key]->opened_persistent
|
|
|
4237 |
&& $GLOBALS['_MDB2_databases'][$key]->in_transaction
|
|
|
4238 |
) {
|
|
|
4239 |
$GLOBALS['_MDB2_databases'][$key]->rollback();
|
|
|
4240 |
}
|
|
|
4241 |
}
|
|
|
4242 |
}
|
|
|
4243 |
|
|
|
4244 |
// }}}
|
|
|
4245 |
// {{{ function MDB2_defaultDebugOutput(&$db, $scope, $message, $is_manip = null)
|
|
|
4246 |
|
|
|
4247 |
/**
|
|
|
4248 |
* default debug output handler
|
|
|
4249 |
*
|
|
|
4250 |
* @param object reference to an MDB2 database object
|
|
|
4251 |
* @param string usually the method name that triggered the debug call:
|
|
|
4252 |
* for example 'query', 'prepare', 'execute', 'parameters',
|
|
|
4253 |
* 'beginTransaction', 'commit', 'rollback'
|
|
|
4254 |
* @param string message that should be appended to the debug variable
|
|
|
4255 |
* @param array contains context information about the debug() call
|
|
|
4256 |
* common keys are: is_manip, time, result etc.
|
|
|
4257 |
*
|
|
|
4258 |
* @return void|string optionally return a modified message, this allows
|
|
|
4259 |
* rewriting a query before being issued or prepared
|
|
|
4260 |
*
|
|
|
4261 |
* @access public
|
|
|
4262 |
*/
|
|
|
4263 |
function MDB2_defaultDebugOutput(&$db, $scope, $message, $context = array())
|
|
|
4264 |
{
|
|
|
4265 |
$db->debug_output.= $scope.'('.$db->db_index.'): ';
|
|
|
4266 |
$db->debug_output.= $message.$db->getOption('log_line_break');
|
|
|
4267 |
return $message;
|
|
|
4268 |
}
|
|
|
4269 |
|
|
|
4270 |
// }}}
|
|
|
4271 |
?>
|