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<?php
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/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
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/**
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* Contains the DB_common base class
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*
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* PHP versions 4 and 5
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*
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* LICENSE: This source file is subject to version 3.0 of the PHP license
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* that is available through the world-wide-web at the following URI:
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* http://www.php.net/license/3_0.txt. If you did not receive a copy of
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* the PHP License and are unable to obtain it through the web, please
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* send a note to license@php.net so we can mail you a copy immediately.
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*
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* @category Database
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* @package DB
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* @author Stig Bakken <ssb@php.net>
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* @author Tomas V.V. Cox <cox@idecnet.com>
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* @author Daniel Convissor <danielc@php.net>
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* @copyright 1997-2007 The PHP Group
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* @license http://www.php.net/license/3_0.txt PHP License 3.0
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* @version CVS: $Id: common.php,v 1.1 2008/07/07 18:00:39 mrflos Exp $
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* @link http://pear.php.net/package/DB
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*/
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/**
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* Obtain the PEAR class so it can be extended from
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*/
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require_once 'PEAR.php';
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/**
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* DB_common is the base class from which each database driver class extends
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*
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* All common methods are declared here. If a given DBMS driver contains
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* a particular method, that method will overload the one here.
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*
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* @category Database
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* @package DB
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* @author Stig Bakken <ssb@php.net>
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* @author Tomas V.V. Cox <cox@idecnet.com>
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* @author Daniel Convissor <danielc@php.net>
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* @copyright 1997-2007 The PHP Group
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* @license http://www.php.net/license/3_0.txt PHP License 3.0
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* @version Release: 1.7.14RC1
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* @link http://pear.php.net/package/DB
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*/
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class DB_common extends PEAR
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{
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// {{{ properties
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/**
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* The current default fetch mode
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* @var integer
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*/
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var $fetchmode = DB_FETCHMODE_ORDERED;
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/**
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* The name of the class into which results should be fetched when
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* DB_FETCHMODE_OBJECT is in effect
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*
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* @var string
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*/
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var $fetchmode_object_class = 'stdClass';
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/**
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* Was a connection present when the object was serialized()?
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* @var bool
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* @see DB_common::__sleep(), DB_common::__wake()
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*/
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var $was_connected = null;
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/**
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* The most recently executed query
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* @var string
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*/
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var $last_query = '';
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/**
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* Run-time configuration options
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*
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* The 'optimize' option has been deprecated. Use the 'portability'
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* option instead.
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*
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* @var array
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* @see DB_common::setOption()
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*/
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var $options = array(
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'result_buffering' => 500,
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'persistent' => false,
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'ssl' => false,
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'debug' => 0,
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'seqname_format' => '%s_seq',
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'autofree' => false,
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'portability' => DB_PORTABILITY_NONE,
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'optimize' => 'performance', // Deprecated. Use 'portability'.
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);
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/**
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* The parameters from the most recently executed query
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* @var array
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* @since Property available since Release 1.7.0
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*/
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var $last_parameters = array();
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/**
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* The elements from each prepared statement
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* @var array
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*/
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var $prepare_tokens = array();
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/**
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* The data types of the various elements in each prepared statement
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* @var array
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*/
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var $prepare_types = array();
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/**
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* The prepared queries
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* @var array
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*/
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var $prepared_queries = array();
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/**
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* Flag indicating that the last query was a manipulation query.
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* @access protected
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* @var boolean
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*/
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var $_last_query_manip = false;
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/**
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* Flag indicating that the next query <em>must</em> be a manipulation
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* query.
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* @access protected
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* @var boolean
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*/
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var $_next_query_manip = false;
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// }}}
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// {{{ DB_common
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/**
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* This constructor calls <kbd>$this->PEAR('DB_Error')</kbd>
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*
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* @return void
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*/
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function DB_common()
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{
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$this->PEAR('DB_Error');
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}
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// }}}
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// {{{ __sleep()
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/**
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* Automatically indicates which properties should be saved
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* when PHP's serialize() function is called
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*
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* @return array the array of properties names that should be saved
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*/
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function __sleep()
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{
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if ($this->connection) {
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// Don't disconnect(), people use serialize() for many reasons
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$this->was_connected = true;
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} else {
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$this->was_connected = false;
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}
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if (isset($this->autocommit)) {
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return array('autocommit',
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'dbsyntax',
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'dsn',
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'features',
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'fetchmode',
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'fetchmode_object_class',
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'options',
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'was_connected',
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);
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} else {
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return array('dbsyntax',
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'dsn',
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'features',
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'fetchmode',
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'fetchmode_object_class',
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'options',
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'was_connected',
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);
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}
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}
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// }}}
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// {{{ __wakeup()
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/**
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* Automatically reconnects to the database when PHP's unserialize()
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* function is called
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*
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* The reconnection attempt is only performed if the object was connected
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* at the time PHP's serialize() function was run.
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*
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* @return void
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*/
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function __wakeup()
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{
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if ($this->was_connected) {
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$this->connect($this->dsn, $this->options);
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}
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}
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// }}}
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// {{{ __toString()
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/**
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* Automatic string conversion for PHP 5
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*
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* @return string a string describing the current PEAR DB object
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*
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* @since Method available since Release 1.7.0
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*/
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function __toString()
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{
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$info = strtolower(get_class($this));
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$info .= ': (phptype=' . $this->phptype .
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', dbsyntax=' . $this->dbsyntax .
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')';
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if ($this->connection) {
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$info .= ' [connected]';
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}
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return $info;
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}
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// }}}
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// {{{ toString()
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/**
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* DEPRECATED: String conversion method
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*
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* @return string a string describing the current PEAR DB object
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*
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* @deprecated Method deprecated in Release 1.7.0
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*/
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function toString()
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{
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return $this->__toString();
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}
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// }}}
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// {{{ quoteString()
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/**
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* DEPRECATED: Quotes a string so it can be safely used within string
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* delimiters in a query
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*
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* @param string $string the string to be quoted
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*
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* @return string the quoted string
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*
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* @see DB_common::quoteSmart(), DB_common::escapeSimple()
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* @deprecated Method deprecated some time before Release 1.2
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*/
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function quoteString($string)
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{
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$string = $this->quote($string);
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if ($string{0} == "'") {
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return substr($string, 1, -1);
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}
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return $string;
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}
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// }}}
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// {{{ quote()
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/**
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* DEPRECATED: Quotes a string so it can be safely used in a query
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*
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* @param string $string the string to quote
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*
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* @return string the quoted string or the string <samp>NULL</samp>
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* if the value submitted is <kbd>null</kbd>.
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*
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* @see DB_common::quoteSmart(), DB_common::escapeSimple()
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* @deprecated Deprecated in release 1.6.0
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*/
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function quote($string = null)
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{
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return ($string === null) ? 'NULL'
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: "'" . str_replace("'", "''", $string) . "'";
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}
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// }}}
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// {{{ quoteIdentifier()
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/**
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* Quotes a string so it can be safely used as a table or column name
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*
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* Delimiting style depends on which database driver is being used.
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*
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* NOTE: just because you CAN use delimited identifiers doesn't mean
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* you SHOULD use them. In general, they end up causing way more
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* problems than they solve.
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*
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* Portability is broken by using the following characters inside
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* delimited identifiers:
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* + backtick (<kbd>`</kbd>) -- due to MySQL
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* + double quote (<kbd>"</kbd>) -- due to Oracle
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* + brackets (<kbd>[</kbd> or <kbd>]</kbd>) -- due to Access
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*
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* Delimited identifiers are known to generally work correctly under
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* the following drivers:
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* + mssql
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* + mysql
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* + mysqli
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* + oci8
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* + odbc(access)
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* + odbc(db2)
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* + pgsql
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* + sqlite
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* + sybase (must execute <kbd>set quoted_identifier on</kbd> sometime
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* prior to use)
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*
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* InterBase doesn't seem to be able to use delimited identifiers
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* via PHP 4. They work fine under PHP 5.
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*
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* @param string $str the identifier name to be quoted
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*
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* @return string the quoted identifier
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*
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* @since Method available since Release 1.6.0
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*/
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function quoteIdentifier($str)
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{
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return '"' . str_replace('"', '""', $str) . '"';
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}
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// }}}
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// {{{ quoteSmart()
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/**
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* Formats input so it can be safely used in a query
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*
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* The output depends on the PHP data type of input and the database
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* type being used.
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*
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* @param mixed $in the data to be formatted
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*
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* @return mixed the formatted data. The format depends on the input's
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* PHP type:
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* <ul>
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* <li>
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* <kbd>input</kbd> -> <samp>returns</samp>
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* </li>
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* <li>
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* <kbd>null</kbd> -> the string <samp>NULL</samp>
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* </li>
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* <li>
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* <kbd>integer</kbd> or <kbd>double</kbd> -> the unquoted number
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* </li>
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* <li>
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* <kbd>bool</kbd> -> output depends on the driver in use
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* Most drivers return integers: <samp>1</samp> if
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* <kbd>true</kbd> or <samp>0</samp> if
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* <kbd>false</kbd>.
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* Some return strings: <samp>TRUE</samp> if
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* <kbd>true</kbd> or <samp>FALSE</samp> if
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* <kbd>false</kbd>.
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* Finally one returns strings: <samp>T</samp> if
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* <kbd>true</kbd> or <samp>F</samp> if
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* <kbd>false</kbd>. Here is a list of each DBMS,
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* the values returned and the suggested column type:
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* <ul>
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* <li>
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* <kbd>dbase</kbd> -> <samp>T/F</samp>
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* (<kbd>Logical</kbd>)
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* </li>
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* <li>
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* <kbd>fbase</kbd> -> <samp>TRUE/FALSE</samp>
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* (<kbd>BOOLEAN</kbd>)
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* </li>
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* <li>
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* <kbd>ibase</kbd> -> <samp>1/0</samp>
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* (<kbd>SMALLINT</kbd>) [1]
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|
383 |
* </li>
|
|
|
384 |
* <li>
|
|
|
385 |
* <kbd>ifx</kbd> -> <samp>1/0</samp>
|
|
|
386 |
* (<kbd>SMALLINT</kbd>) [1]
|
|
|
387 |
* </li>
|
|
|
388 |
* <li>
|
|
|
389 |
* <kbd>msql</kbd> -> <samp>1/0</samp>
|
|
|
390 |
* (<kbd>INTEGER</kbd>)
|
|
|
391 |
* </li>
|
|
|
392 |
* <li>
|
|
|
393 |
* <kbd>mssql</kbd> -> <samp>1/0</samp>
|
|
|
394 |
* (<kbd>BIT</kbd>)
|
|
|
395 |
* </li>
|
|
|
396 |
* <li>
|
|
|
397 |
* <kbd>mysql</kbd> -> <samp>1/0</samp>
|
|
|
398 |
* (<kbd>TINYINT(1)</kbd>)
|
|
|
399 |
* </li>
|
|
|
400 |
* <li>
|
|
|
401 |
* <kbd>mysqli</kbd> -> <samp>1/0</samp>
|
|
|
402 |
* (<kbd>TINYINT(1)</kbd>)
|
|
|
403 |
* </li>
|
|
|
404 |
* <li>
|
|
|
405 |
* <kbd>oci8</kbd> -> <samp>1/0</samp>
|
|
|
406 |
* (<kbd>NUMBER(1)</kbd>)
|
|
|
407 |
* </li>
|
|
|
408 |
* <li>
|
|
|
409 |
* <kbd>odbc</kbd> -> <samp>1/0</samp>
|
|
|
410 |
* (<kbd>SMALLINT</kbd>) [1]
|
|
|
411 |
* </li>
|
|
|
412 |
* <li>
|
|
|
413 |
* <kbd>pgsql</kbd> -> <samp>TRUE/FALSE</samp>
|
|
|
414 |
* (<kbd>BOOLEAN</kbd>)
|
|
|
415 |
* </li>
|
|
|
416 |
* <li>
|
|
|
417 |
* <kbd>sqlite</kbd> -> <samp>1/0</samp>
|
|
|
418 |
* (<kbd>INTEGER</kbd>)
|
|
|
419 |
* </li>
|
|
|
420 |
* <li>
|
|
|
421 |
* <kbd>sybase</kbd> -> <samp>1/0</samp>
|
|
|
422 |
* (<kbd>TINYINT(1)</kbd>)
|
|
|
423 |
* </li>
|
|
|
424 |
* </ul>
|
|
|
425 |
* [1] Accommodate the lowest common denominator because not all
|
|
|
426 |
* versions of have <kbd>BOOLEAN</kbd>.
|
|
|
427 |
* </li>
|
|
|
428 |
* <li>
|
|
|
429 |
* other (including strings and numeric strings) ->
|
|
|
430 |
* the data with single quotes escaped by preceeding
|
|
|
431 |
* single quotes, backslashes are escaped by preceeding
|
|
|
432 |
* backslashes, then the whole string is encapsulated
|
|
|
433 |
* between single quotes
|
|
|
434 |
* </li>
|
|
|
435 |
* </ul>
|
|
|
436 |
*
|
|
|
437 |
* @see DB_common::escapeSimple()
|
|
|
438 |
* @since Method available since Release 1.6.0
|
|
|
439 |
*/
|
|
|
440 |
function quoteSmart($in)
|
|
|
441 |
{
|
|
|
442 |
if (is_int($in)) {
|
|
|
443 |
return $in;
|
|
|
444 |
} elseif (is_float($in)) {
|
|
|
445 |
return $this->quoteFloat($in);
|
|
|
446 |
} elseif (is_bool($in)) {
|
|
|
447 |
return $this->quoteBoolean($in);
|
|
|
448 |
} elseif (is_null($in)) {
|
|
|
449 |
return 'NULL';
|
|
|
450 |
} else {
|
|
|
451 |
if ($this->dbsyntax == 'access'
|
|
|
452 |
&& preg_match('/^#.+#$/', $in))
|
|
|
453 |
{
|
|
|
454 |
return $this->escapeSimple($in);
|
|
|
455 |
}
|
|
|
456 |
return "'" . $this->escapeSimple($in) . "'";
|
|
|
457 |
}
|
|
|
458 |
}
|
|
|
459 |
|
|
|
460 |
// }}}
|
|
|
461 |
// {{{ quoteBoolean()
|
|
|
462 |
|
|
|
463 |
/**
|
|
|
464 |
* Formats a boolean value for use within a query in a locale-independent
|
|
|
465 |
* manner.
|
|
|
466 |
*
|
|
|
467 |
* @param boolean the boolean value to be quoted.
|
|
|
468 |
* @return string the quoted string.
|
|
|
469 |
* @see DB_common::quoteSmart()
|
|
|
470 |
* @since Method available since release 1.7.8.
|
|
|
471 |
*/
|
|
|
472 |
function quoteBoolean($boolean) {
|
|
|
473 |
return $boolean ? '1' : '0';
|
|
|
474 |
}
|
|
|
475 |
|
|
|
476 |
// }}}
|
|
|
477 |
// {{{ quoteFloat()
|
|
|
478 |
|
|
|
479 |
/**
|
|
|
480 |
* Formats a float value for use within a query in a locale-independent
|
|
|
481 |
* manner.
|
|
|
482 |
*
|
|
|
483 |
* @param float the float value to be quoted.
|
|
|
484 |
* @return string the quoted string.
|
|
|
485 |
* @see DB_common::quoteSmart()
|
|
|
486 |
* @since Method available since release 1.7.8.
|
|
|
487 |
*/
|
|
|
488 |
function quoteFloat($float) {
|
|
|
489 |
return "'".$this->escapeSimple(str_replace(',', '.', strval(floatval($float))))."'";
|
|
|
490 |
}
|
|
|
491 |
|
|
|
492 |
// }}}
|
|
|
493 |
// {{{ escapeSimple()
|
|
|
494 |
|
|
|
495 |
/**
|
|
|
496 |
* Escapes a string according to the current DBMS's standards
|
|
|
497 |
*
|
|
|
498 |
* In SQLite, this makes things safe for inserts/updates, but may
|
|
|
499 |
* cause problems when performing text comparisons against columns
|
|
|
500 |
* containing binary data. See the
|
|
|
501 |
* {@link http://php.net/sqlite_escape_string PHP manual} for more info.
|
|
|
502 |
*
|
|
|
503 |
* @param string $str the string to be escaped
|
|
|
504 |
*
|
|
|
505 |
* @return string the escaped string
|
|
|
506 |
*
|
|
|
507 |
* @see DB_common::quoteSmart()
|
|
|
508 |
* @since Method available since Release 1.6.0
|
|
|
509 |
*/
|
|
|
510 |
function escapeSimple($str)
|
|
|
511 |
{
|
|
|
512 |
return str_replace("'", "''", $str);
|
|
|
513 |
}
|
|
|
514 |
|
|
|
515 |
// }}}
|
|
|
516 |
// {{{ provides()
|
|
|
517 |
|
|
|
518 |
/**
|
|
|
519 |
* Tells whether the present driver supports a given feature
|
|
|
520 |
*
|
|
|
521 |
* @param string $feature the feature you're curious about
|
|
|
522 |
*
|
|
|
523 |
* @return bool whether this driver supports $feature
|
|
|
524 |
*/
|
|
|
525 |
function provides($feature)
|
|
|
526 |
{
|
|
|
527 |
return $this->features[$feature];
|
|
|
528 |
}
|
|
|
529 |
|
|
|
530 |
// }}}
|
|
|
531 |
// {{{ setFetchMode()
|
|
|
532 |
|
|
|
533 |
/**
|
|
|
534 |
* Sets the fetch mode that should be used by default for query results
|
|
|
535 |
*
|
|
|
536 |
* @param integer $fetchmode DB_FETCHMODE_ORDERED, DB_FETCHMODE_ASSOC
|
|
|
537 |
* or DB_FETCHMODE_OBJECT
|
|
|
538 |
* @param string $object_class the class name of the object to be returned
|
|
|
539 |
* by the fetch methods when the
|
|
|
540 |
* DB_FETCHMODE_OBJECT mode is selected.
|
|
|
541 |
* If no class is specified by default a cast
|
|
|
542 |
* to object from the assoc array row will be
|
|
|
543 |
* done. There is also the posibility to use
|
|
|
544 |
* and extend the 'DB_row' class.
|
|
|
545 |
*
|
|
|
546 |
* @see DB_FETCHMODE_ORDERED, DB_FETCHMODE_ASSOC, DB_FETCHMODE_OBJECT
|
|
|
547 |
*/
|
|
|
548 |
function setFetchMode($fetchmode, $object_class = 'stdClass')
|
|
|
549 |
{
|
|
|
550 |
switch ($fetchmode) {
|
|
|
551 |
case DB_FETCHMODE_OBJECT:
|
|
|
552 |
$this->fetchmode_object_class = $object_class;
|
|
|
553 |
case DB_FETCHMODE_ORDERED:
|
|
|
554 |
case DB_FETCHMODE_ASSOC:
|
|
|
555 |
$this->fetchmode = $fetchmode;
|
|
|
556 |
break;
|
|
|
557 |
default:
|
|
|
558 |
return $this->raiseError('invalid fetchmode mode');
|
|
|
559 |
}
|
|
|
560 |
}
|
|
|
561 |
|
|
|
562 |
// }}}
|
|
|
563 |
// {{{ setOption()
|
|
|
564 |
|
|
|
565 |
/**
|
|
|
566 |
* Sets run-time configuration options for PEAR DB
|
|
|
567 |
*
|
|
|
568 |
* Options, their data types, default values and description:
|
|
|
569 |
* <ul>
|
|
|
570 |
* <li>
|
|
|
571 |
* <var>autofree</var> <kbd>boolean</kbd> = <samp>false</samp>
|
|
|
572 |
* <br />should results be freed automatically when there are no
|
|
|
573 |
* more rows?
|
|
|
574 |
* </li><li>
|
|
|
575 |
* <var>result_buffering</var> <kbd>integer</kbd> = <samp>500</samp>
|
|
|
576 |
* <br />how many rows of the result set should be buffered?
|
|
|
577 |
* <br />In mysql: mysql_unbuffered_query() is used instead of
|
|
|
578 |
* mysql_query() if this value is 0. (Release 1.7.0)
|
|
|
579 |
* <br />In oci8: this value is passed to ocisetprefetch().
|
|
|
580 |
* (Release 1.7.0)
|
|
|
581 |
* </li><li>
|
|
|
582 |
* <var>debug</var> <kbd>integer</kbd> = <samp>0</samp>
|
|
|
583 |
* <br />debug level
|
|
|
584 |
* </li><li>
|
|
|
585 |
* <var>persistent</var> <kbd>boolean</kbd> = <samp>false</samp>
|
|
|
586 |
* <br />should the connection be persistent?
|
|
|
587 |
* </li><li>
|
|
|
588 |
* <var>portability</var> <kbd>integer</kbd> = <samp>DB_PORTABILITY_NONE</samp>
|
|
|
589 |
* <br />portability mode constant (see below)
|
|
|
590 |
* </li><li>
|
|
|
591 |
* <var>seqname_format</var> <kbd>string</kbd> = <samp>%s_seq</samp>
|
|
|
592 |
* <br />the sprintf() format string used on sequence names. This
|
|
|
593 |
* format is applied to sequence names passed to
|
|
|
594 |
* createSequence(), nextID() and dropSequence().
|
|
|
595 |
* </li><li>
|
|
|
596 |
* <var>ssl</var> <kbd>boolean</kbd> = <samp>false</samp>
|
|
|
597 |
* <br />use ssl to connect?
|
|
|
598 |
* </li>
|
|
|
599 |
* </ul>
|
|
|
600 |
*
|
|
|
601 |
* -----------------------------------------
|
|
|
602 |
*
|
|
|
603 |
* PORTABILITY MODES
|
|
|
604 |
*
|
|
|
605 |
* These modes are bitwised, so they can be combined using <kbd>|</kbd>
|
|
|
606 |
* and removed using <kbd>^</kbd>. See the examples section below on how
|
|
|
607 |
* to do this.
|
|
|
608 |
*
|
|
|
609 |
* <samp>DB_PORTABILITY_NONE</samp>
|
|
|
610 |
* turn off all portability features
|
|
|
611 |
*
|
|
|
612 |
* This mode gets automatically turned on if the deprecated
|
|
|
613 |
* <var>optimize</var> option gets set to <samp>performance</samp>.
|
|
|
614 |
*
|
|
|
615 |
*
|
|
|
616 |
* <samp>DB_PORTABILITY_LOWERCASE</samp>
|
|
|
617 |
* convert names of tables and fields to lower case when using
|
|
|
618 |
* <kbd>get*()</kbd>, <kbd>fetch*()</kbd> and <kbd>tableInfo()</kbd>
|
|
|
619 |
*
|
|
|
620 |
* This mode gets automatically turned on in the following databases
|
|
|
621 |
* if the deprecated option <var>optimize</var> gets set to
|
|
|
622 |
* <samp>portability</samp>:
|
|
|
623 |
* + oci8
|
|
|
624 |
*
|
|
|
625 |
*
|
|
|
626 |
* <samp>DB_PORTABILITY_RTRIM</samp>
|
|
|
627 |
* right trim the data output by <kbd>get*()</kbd> <kbd>fetch*()</kbd>
|
|
|
628 |
*
|
|
|
629 |
*
|
|
|
630 |
* <samp>DB_PORTABILITY_DELETE_COUNT</samp>
|
|
|
631 |
* force reporting the number of rows deleted
|
|
|
632 |
*
|
|
|
633 |
* Some DBMS's don't count the number of rows deleted when performing
|
|
|
634 |
* simple <kbd>DELETE FROM tablename</kbd> queries. This portability
|
|
|
635 |
* mode tricks such DBMS's into telling the count by adding
|
|
|
636 |
* <samp>WHERE 1=1</samp> to the end of <kbd>DELETE</kbd> queries.
|
|
|
637 |
*
|
|
|
638 |
* This mode gets automatically turned on in the following databases
|
|
|
639 |
* if the deprecated option <var>optimize</var> gets set to
|
|
|
640 |
* <samp>portability</samp>:
|
|
|
641 |
* + fbsql
|
|
|
642 |
* + mysql
|
|
|
643 |
* + mysqli
|
|
|
644 |
* + sqlite
|
|
|
645 |
*
|
|
|
646 |
*
|
|
|
647 |
* <samp>DB_PORTABILITY_NUMROWS</samp>
|
|
|
648 |
* enable hack that makes <kbd>numRows()</kbd> work in Oracle
|
|
|
649 |
*
|
|
|
650 |
* This mode gets automatically turned on in the following databases
|
|
|
651 |
* if the deprecated option <var>optimize</var> gets set to
|
|
|
652 |
* <samp>portability</samp>:
|
|
|
653 |
* + oci8
|
|
|
654 |
*
|
|
|
655 |
*
|
|
|
656 |
* <samp>DB_PORTABILITY_ERRORS</samp>
|
|
|
657 |
* makes certain error messages in certain drivers compatible
|
|
|
658 |
* with those from other DBMS's
|
|
|
659 |
*
|
|
|
660 |
* + mysql, mysqli: change unique/primary key constraints
|
|
|
661 |
* DB_ERROR_ALREADY_EXISTS -> DB_ERROR_CONSTRAINT
|
|
|
662 |
*
|
|
|
663 |
* + odbc(access): MS's ODBC driver reports 'no such field' as code
|
|
|
664 |
* 07001, which means 'too few parameters.' When this option is on
|
|
|
665 |
* that code gets mapped to DB_ERROR_NOSUCHFIELD.
|
|
|
666 |
* DB_ERROR_MISMATCH -> DB_ERROR_NOSUCHFIELD
|
|
|
667 |
*
|
|
|
668 |
* <samp>DB_PORTABILITY_NULL_TO_EMPTY</samp>
|
|
|
669 |
* convert null values to empty strings in data output by get*() and
|
|
|
670 |
* fetch*(). Needed because Oracle considers empty strings to be null,
|
|
|
671 |
* while most other DBMS's know the difference between empty and null.
|
|
|
672 |
*
|
|
|
673 |
*
|
|
|
674 |
* <samp>DB_PORTABILITY_ALL</samp>
|
|
|
675 |
* turn on all portability features
|
|
|
676 |
*
|
|
|
677 |
* -----------------------------------------
|
|
|
678 |
*
|
|
|
679 |
* Example 1. Simple setOption() example
|
|
|
680 |
* <code>
|
|
|
681 |
* $db->setOption('autofree', true);
|
|
|
682 |
* </code>
|
|
|
683 |
*
|
|
|
684 |
* Example 2. Portability for lowercasing and trimming
|
|
|
685 |
* <code>
|
|
|
686 |
* $db->setOption('portability',
|
|
|
687 |
* DB_PORTABILITY_LOWERCASE | DB_PORTABILITY_RTRIM);
|
|
|
688 |
* </code>
|
|
|
689 |
*
|
|
|
690 |
* Example 3. All portability options except trimming
|
|
|
691 |
* <code>
|
|
|
692 |
* $db->setOption('portability',
|
|
|
693 |
* DB_PORTABILITY_ALL ^ DB_PORTABILITY_RTRIM);
|
|
|
694 |
* </code>
|
|
|
695 |
*
|
|
|
696 |
* @param string $option option name
|
|
|
697 |
* @param mixed $value value for the option
|
|
|
698 |
*
|
|
|
699 |
* @return int DB_OK on success. A DB_Error object on failure.
|
|
|
700 |
*
|
|
|
701 |
* @see DB_common::$options
|
|
|
702 |
*/
|
|
|
703 |
function setOption($option, $value)
|
|
|
704 |
{
|
|
|
705 |
if (isset($this->options[$option])) {
|
|
|
706 |
$this->options[$option] = $value;
|
|
|
707 |
|
|
|
708 |
/*
|
|
|
709 |
* Backwards compatibility check for the deprecated 'optimize'
|
|
|
710 |
* option. Done here in case settings change after connecting.
|
|
|
711 |
*/
|
|
|
712 |
if ($option == 'optimize') {
|
|
|
713 |
if ($value == 'portability') {
|
|
|
714 |
switch ($this->phptype) {
|
|
|
715 |
case 'oci8':
|
|
|
716 |
$this->options['portability'] =
|
|
|
717 |
DB_PORTABILITY_LOWERCASE |
|
|
|
718 |
DB_PORTABILITY_NUMROWS;
|
|
|
719 |
break;
|
|
|
720 |
case 'fbsql':
|
|
|
721 |
case 'mysql':
|
|
|
722 |
case 'mysqli':
|
|
|
723 |
case 'sqlite':
|
|
|
724 |
$this->options['portability'] =
|
|
|
725 |
DB_PORTABILITY_DELETE_COUNT;
|
|
|
726 |
break;
|
|
|
727 |
}
|
|
|
728 |
} else {
|
|
|
729 |
$this->options['portability'] = DB_PORTABILITY_NONE;
|
|
|
730 |
}
|
|
|
731 |
}
|
|
|
732 |
|
|
|
733 |
return DB_OK;
|
|
|
734 |
}
|
|
|
735 |
return $this->raiseError("unknown option $option");
|
|
|
736 |
}
|
|
|
737 |
|
|
|
738 |
// }}}
|
|
|
739 |
// {{{ getOption()
|
|
|
740 |
|
|
|
741 |
/**
|
|
|
742 |
* Returns the value of an option
|
|
|
743 |
*
|
|
|
744 |
* @param string $option the option name you're curious about
|
|
|
745 |
*
|
|
|
746 |
* @return mixed the option's value
|
|
|
747 |
*/
|
|
|
748 |
function getOption($option)
|
|
|
749 |
{
|
|
|
750 |
if (isset($this->options[$option])) {
|
|
|
751 |
return $this->options[$option];
|
|
|
752 |
}
|
|
|
753 |
return $this->raiseError("unknown option $option");
|
|
|
754 |
}
|
|
|
755 |
|
|
|
756 |
// }}}
|
|
|
757 |
// {{{ prepare()
|
|
|
758 |
|
|
|
759 |
/**
|
|
|
760 |
* Prepares a query for multiple execution with execute()
|
|
|
761 |
*
|
|
|
762 |
* Creates a query that can be run multiple times. Each time it is run,
|
|
|
763 |
* the placeholders, if any, will be replaced by the contents of
|
|
|
764 |
* execute()'s $data argument.
|
|
|
765 |
*
|
|
|
766 |
* Three types of placeholders can be used:
|
|
|
767 |
* + <kbd>?</kbd> scalar value (i.e. strings, integers). The system
|
|
|
768 |
* will automatically quote and escape the data.
|
|
|
769 |
* + <kbd>!</kbd> value is inserted 'as is'
|
|
|
770 |
* + <kbd>&</kbd> requires a file name. The file's contents get
|
|
|
771 |
* inserted into the query (i.e. saving binary
|
|
|
772 |
* data in a db)
|
|
|
773 |
*
|
|
|
774 |
* Example 1.
|
|
|
775 |
* <code>
|
|
|
776 |
* $sth = $db->prepare('INSERT INTO tbl (a, b, c) VALUES (?, !, &)');
|
|
|
777 |
* $data = array(
|
|
|
778 |
* "John's text",
|
|
|
779 |
* "'it''s good'",
|
|
|
780 |
* 'filename.txt'
|
|
|
781 |
* );
|
|
|
782 |
* $res = $db->execute($sth, $data);
|
|
|
783 |
* </code>
|
|
|
784 |
*
|
|
|
785 |
* Use backslashes to escape placeholder characters if you don't want
|
|
|
786 |
* them to be interpreted as placeholders:
|
|
|
787 |
* <pre>
|
|
|
788 |
* "UPDATE foo SET col=? WHERE col='over \& under'"
|
|
|
789 |
* </pre>
|
|
|
790 |
*
|
|
|
791 |
* With some database backends, this is emulated.
|
|
|
792 |
*
|
|
|
793 |
* {@internal ibase and oci8 have their own prepare() methods.}}
|
|
|
794 |
*
|
|
|
795 |
* @param string $query the query to be prepared
|
|
|
796 |
*
|
|
|
797 |
* @return mixed DB statement resource on success. A DB_Error object
|
|
|
798 |
* on failure.
|
|
|
799 |
*
|
|
|
800 |
* @see DB_common::execute()
|
|
|
801 |
*/
|
|
|
802 |
function prepare($query)
|
|
|
803 |
{
|
|
|
804 |
$tokens = preg_split('/((?<!\\\)[&?!])/', $query, -1,
|
|
|
805 |
PREG_SPLIT_DELIM_CAPTURE);
|
|
|
806 |
$token = 0;
|
|
|
807 |
$types = array();
|
|
|
808 |
$newtokens = array();
|
|
|
809 |
|
|
|
810 |
foreach ($tokens as $val) {
|
|
|
811 |
switch ($val) {
|
|
|
812 |
case '?':
|
|
|
813 |
$types[$token++] = DB_PARAM_SCALAR;
|
|
|
814 |
break;
|
|
|
815 |
case '&':
|
|
|
816 |
$types[$token++] = DB_PARAM_OPAQUE;
|
|
|
817 |
break;
|
|
|
818 |
case '!':
|
|
|
819 |
$types[$token++] = DB_PARAM_MISC;
|
|
|
820 |
break;
|
|
|
821 |
default:
|
|
|
822 |
$newtokens[] = preg_replace('/\\\([&?!])/', "\\1", $val);
|
|
|
823 |
}
|
|
|
824 |
}
|
|
|
825 |
|
|
|
826 |
$this->prepare_tokens[] = &$newtokens;
|
|
|
827 |
end($this->prepare_tokens);
|
|
|
828 |
|
|
|
829 |
$k = key($this->prepare_tokens);
|
|
|
830 |
$this->prepare_types[$k] = $types;
|
|
|
831 |
$this->prepared_queries[$k] = implode(' ', $newtokens);
|
|
|
832 |
|
|
|
833 |
return $k;
|
|
|
834 |
}
|
|
|
835 |
|
|
|
836 |
// }}}
|
|
|
837 |
// {{{ autoPrepare()
|
|
|
838 |
|
|
|
839 |
/**
|
|
|
840 |
* Automaticaly generates an insert or update query and pass it to prepare()
|
|
|
841 |
*
|
|
|
842 |
* @param string $table the table name
|
|
|
843 |
* @param array $table_fields the array of field names
|
|
|
844 |
* @param int $mode a type of query to make:
|
|
|
845 |
* DB_AUTOQUERY_INSERT or DB_AUTOQUERY_UPDATE
|
|
|
846 |
* @param string $where for update queries: the WHERE clause to
|
|
|
847 |
* append to the SQL statement. Don't
|
|
|
848 |
* include the "WHERE" keyword.
|
|
|
849 |
*
|
|
|
850 |
* @return resource the query handle
|
|
|
851 |
*
|
|
|
852 |
* @uses DB_common::prepare(), DB_common::buildManipSQL()
|
|
|
853 |
*/
|
|
|
854 |
function autoPrepare($table, $table_fields, $mode = DB_AUTOQUERY_INSERT,
|
|
|
855 |
$where = false)
|
|
|
856 |
{
|
|
|
857 |
$query = $this->buildManipSQL($table, $table_fields, $mode, $where);
|
|
|
858 |
if (DB::isError($query)) {
|
|
|
859 |
return $query;
|
|
|
860 |
}
|
|
|
861 |
return $this->prepare($query);
|
|
|
862 |
}
|
|
|
863 |
|
|
|
864 |
// }}}
|
|
|
865 |
// {{{ autoExecute()
|
|
|
866 |
|
|
|
867 |
/**
|
|
|
868 |
* Automaticaly generates an insert or update query and call prepare()
|
|
|
869 |
* and execute() with it
|
|
|
870 |
*
|
|
|
871 |
* @param string $table the table name
|
|
|
872 |
* @param array $fields_values the associative array where $key is a
|
|
|
873 |
* field name and $value its value
|
|
|
874 |
* @param int $mode a type of query to make:
|
|
|
875 |
* DB_AUTOQUERY_INSERT or DB_AUTOQUERY_UPDATE
|
|
|
876 |
* @param string $where for update queries: the WHERE clause to
|
|
|
877 |
* append to the SQL statement. Don't
|
|
|
878 |
* include the "WHERE" keyword.
|
|
|
879 |
*
|
|
|
880 |
* @return mixed a new DB_result object for successful SELECT queries
|
|
|
881 |
* or DB_OK for successul data manipulation queries.
|
|
|
882 |
* A DB_Error object on failure.
|
|
|
883 |
*
|
|
|
884 |
* @uses DB_common::autoPrepare(), DB_common::execute()
|
|
|
885 |
*/
|
|
|
886 |
function autoExecute($table, $fields_values, $mode = DB_AUTOQUERY_INSERT,
|
|
|
887 |
$where = false)
|
|
|
888 |
{
|
|
|
889 |
$sth = $this->autoPrepare($table, array_keys($fields_values), $mode,
|
|
|
890 |
$where);
|
|
|
891 |
if (DB::isError($sth)) {
|
|
|
892 |
return $sth;
|
|
|
893 |
}
|
|
|
894 |
$ret = $this->execute($sth, array_values($fields_values));
|
|
|
895 |
$this->freePrepared($sth);
|
|
|
896 |
return $ret;
|
|
|
897 |
|
|
|
898 |
}
|
|
|
899 |
|
|
|
900 |
// }}}
|
|
|
901 |
// {{{ buildManipSQL()
|
|
|
902 |
|
|
|
903 |
/**
|
|
|
904 |
* Produces an SQL query string for autoPrepare()
|
|
|
905 |
*
|
|
|
906 |
* Example:
|
|
|
907 |
* <pre>
|
|
|
908 |
* buildManipSQL('table_sql', array('field1', 'field2', 'field3'),
|
|
|
909 |
* DB_AUTOQUERY_INSERT);
|
|
|
910 |
* </pre>
|
|
|
911 |
*
|
|
|
912 |
* That returns
|
|
|
913 |
* <samp>
|
|
|
914 |
* INSERT INTO table_sql (field1,field2,field3) VALUES (?,?,?)
|
|
|
915 |
* </samp>
|
|
|
916 |
*
|
|
|
917 |
* NOTES:
|
|
|
918 |
* - This belongs more to a SQL Builder class, but this is a simple
|
|
|
919 |
* facility.
|
|
|
920 |
* - Be carefull! If you don't give a $where param with an UPDATE
|
|
|
921 |
* query, all the records of the table will be updated!
|
|
|
922 |
*
|
|
|
923 |
* @param string $table the table name
|
|
|
924 |
* @param array $table_fields the array of field names
|
|
|
925 |
* @param int $mode a type of query to make:
|
|
|
926 |
* DB_AUTOQUERY_INSERT or DB_AUTOQUERY_UPDATE
|
|
|
927 |
* @param string $where for update queries: the WHERE clause to
|
|
|
928 |
* append to the SQL statement. Don't
|
|
|
929 |
* include the "WHERE" keyword.
|
|
|
930 |
*
|
|
|
931 |
* @return string the sql query for autoPrepare()
|
|
|
932 |
*/
|
|
|
933 |
function buildManipSQL($table, $table_fields, $mode, $where = false)
|
|
|
934 |
{
|
|
|
935 |
if (count($table_fields) == 0) {
|
|
|
936 |
return $this->raiseError(DB_ERROR_NEED_MORE_DATA);
|
|
|
937 |
}
|
|
|
938 |
$first = true;
|
|
|
939 |
switch ($mode) {
|
|
|
940 |
case DB_AUTOQUERY_INSERT:
|
|
|
941 |
$values = '';
|
|
|
942 |
$names = '';
|
|
|
943 |
foreach ($table_fields as $value) {
|
|
|
944 |
if ($first) {
|
|
|
945 |
$first = false;
|
|
|
946 |
} else {
|
|
|
947 |
$names .= ',';
|
|
|
948 |
$values .= ',';
|
|
|
949 |
}
|
|
|
950 |
$names .= $value;
|
|
|
951 |
$values .= '?';
|
|
|
952 |
}
|
|
|
953 |
return "INSERT INTO $table ($names) VALUES ($values)";
|
|
|
954 |
case DB_AUTOQUERY_UPDATE:
|
|
|
955 |
$set = '';
|
|
|
956 |
foreach ($table_fields as $value) {
|
|
|
957 |
if ($first) {
|
|
|
958 |
$first = false;
|
|
|
959 |
} else {
|
|
|
960 |
$set .= ',';
|
|
|
961 |
}
|
|
|
962 |
$set .= "$value = ?";
|
|
|
963 |
}
|
|
|
964 |
$sql = "UPDATE $table SET $set";
|
|
|
965 |
if ($where) {
|
|
|
966 |
$sql .= " WHERE $where";
|
|
|
967 |
}
|
|
|
968 |
return $sql;
|
|
|
969 |
default:
|
|
|
970 |
return $this->raiseError(DB_ERROR_SYNTAX);
|
|
|
971 |
}
|
|
|
972 |
}
|
|
|
973 |
|
|
|
974 |
// }}}
|
|
|
975 |
// {{{ execute()
|
|
|
976 |
|
|
|
977 |
/**
|
|
|
978 |
* Executes a DB statement prepared with prepare()
|
|
|
979 |
*
|
|
|
980 |
* Example 1.
|
|
|
981 |
* <code>
|
|
|
982 |
* $sth = $db->prepare('INSERT INTO tbl (a, b, c) VALUES (?, !, &)');
|
|
|
983 |
* $data = array(
|
|
|
984 |
* "John's text",
|
|
|
985 |
* "'it''s good'",
|
|
|
986 |
* 'filename.txt'
|
|
|
987 |
* );
|
|
|
988 |
* $res = $db->execute($sth, $data);
|
|
|
989 |
* </code>
|
|
|
990 |
*
|
|
|
991 |
* @param resource $stmt a DB statement resource returned from prepare()
|
|
|
992 |
* @param mixed $data array, string or numeric data to be used in
|
|
|
993 |
* execution of the statement. Quantity of items
|
|
|
994 |
* passed must match quantity of placeholders in
|
|
|
995 |
* query: meaning 1 placeholder for non-array
|
|
|
996 |
* parameters or 1 placeholder per array element.
|
|
|
997 |
*
|
|
|
998 |
* @return mixed a new DB_result object for successful SELECT queries
|
|
|
999 |
* or DB_OK for successul data manipulation queries.
|
|
|
1000 |
* A DB_Error object on failure.
|
|
|
1001 |
*
|
|
|
1002 |
* {@internal ibase and oci8 have their own execute() methods.}}
|
|
|
1003 |
*
|
|
|
1004 |
* @see DB_common::prepare()
|
|
|
1005 |
*/
|
|
|
1006 |
function &execute($stmt, $data = array())
|
|
|
1007 |
{
|
|
|
1008 |
$realquery = $this->executeEmulateQuery($stmt, $data);
|
|
|
1009 |
if (DB::isError($realquery)) {
|
|
|
1010 |
return $realquery;
|
|
|
1011 |
}
|
|
|
1012 |
$result = $this->simpleQuery($realquery);
|
|
|
1013 |
|
|
|
1014 |
if ($result === DB_OK || DB::isError($result)) {
|
|
|
1015 |
return $result;
|
|
|
1016 |
} else {
|
|
|
1017 |
$tmp = new DB_result($this, $result);
|
|
|
1018 |
return $tmp;
|
|
|
1019 |
}
|
|
|
1020 |
}
|
|
|
1021 |
|
|
|
1022 |
// }}}
|
|
|
1023 |
// {{{ executeEmulateQuery()
|
|
|
1024 |
|
|
|
1025 |
/**
|
|
|
1026 |
* Emulates executing prepared statements if the DBMS not support them
|
|
|
1027 |
*
|
|
|
1028 |
* @param resource $stmt a DB statement resource returned from execute()
|
|
|
1029 |
* @param mixed $data array, string or numeric data to be used in
|
|
|
1030 |
* execution of the statement. Quantity of items
|
|
|
1031 |
* passed must match quantity of placeholders in
|
|
|
1032 |
* query: meaning 1 placeholder for non-array
|
|
|
1033 |
* parameters or 1 placeholder per array element.
|
|
|
1034 |
*
|
|
|
1035 |
* @return mixed a string containing the real query run when emulating
|
|
|
1036 |
* prepare/execute. A DB_Error object on failure.
|
|
|
1037 |
*
|
|
|
1038 |
* @access protected
|
|
|
1039 |
* @see DB_common::execute()
|
|
|
1040 |
*/
|
|
|
1041 |
function executeEmulateQuery($stmt, $data = array())
|
|
|
1042 |
{
|
|
|
1043 |
$stmt = (int)$stmt;
|
|
|
1044 |
$data = (array)$data;
|
|
|
1045 |
$this->last_parameters = $data;
|
|
|
1046 |
|
|
|
1047 |
if (count($this->prepare_types[$stmt]) != count($data)) {
|
|
|
1048 |
$this->last_query = $this->prepared_queries[$stmt];
|
|
|
1049 |
return $this->raiseError(DB_ERROR_MISMATCH);
|
|
|
1050 |
}
|
|
|
1051 |
|
|
|
1052 |
$realquery = $this->prepare_tokens[$stmt][0];
|
|
|
1053 |
|
|
|
1054 |
$i = 0;
|
|
|
1055 |
foreach ($data as $value) {
|
|
|
1056 |
if ($this->prepare_types[$stmt][$i] == DB_PARAM_SCALAR) {
|
|
|
1057 |
$realquery .= $this->quoteSmart($value);
|
|
|
1058 |
} elseif ($this->prepare_types[$stmt][$i] == DB_PARAM_OPAQUE) {
|
|
|
1059 |
$fp = @fopen($value, 'rb');
|
|
|
1060 |
if (!$fp) {
|
|
|
1061 |
return $this->raiseError(DB_ERROR_ACCESS_VIOLATION);
|
|
|
1062 |
}
|
|
|
1063 |
$realquery .= $this->quoteSmart(fread($fp, filesize($value)));
|
|
|
1064 |
fclose($fp);
|
|
|
1065 |
} else {
|
|
|
1066 |
$realquery .= $value;
|
|
|
1067 |
}
|
|
|
1068 |
|
|
|
1069 |
$realquery .= $this->prepare_tokens[$stmt][++$i];
|
|
|
1070 |
}
|
|
|
1071 |
|
|
|
1072 |
return $realquery;
|
|
|
1073 |
}
|
|
|
1074 |
|
|
|
1075 |
// }}}
|
|
|
1076 |
// {{{ executeMultiple()
|
|
|
1077 |
|
|
|
1078 |
/**
|
|
|
1079 |
* Performs several execute() calls on the same statement handle
|
|
|
1080 |
*
|
|
|
1081 |
* $data must be an array indexed numerically
|
|
|
1082 |
* from 0, one execute call is done for every "row" in the array.
|
|
|
1083 |
*
|
|
|
1084 |
* If an error occurs during execute(), executeMultiple() does not
|
|
|
1085 |
* execute the unfinished rows, but rather returns that error.
|
|
|
1086 |
*
|
|
|
1087 |
* @param resource $stmt query handle from prepare()
|
|
|
1088 |
* @param array $data numeric array containing the
|
|
|
1089 |
* data to insert into the query
|
|
|
1090 |
*
|
|
|
1091 |
* @return int DB_OK on success. A DB_Error object on failure.
|
|
|
1092 |
*
|
|
|
1093 |
* @see DB_common::prepare(), DB_common::execute()
|
|
|
1094 |
*/
|
|
|
1095 |
function executeMultiple($stmt, $data)
|
|
|
1096 |
{
|
|
|
1097 |
foreach ($data as $value) {
|
|
|
1098 |
$res = $this->execute($stmt, $value);
|
|
|
1099 |
if (DB::isError($res)) {
|
|
|
1100 |
return $res;
|
|
|
1101 |
}
|
|
|
1102 |
}
|
|
|
1103 |
return DB_OK;
|
|
|
1104 |
}
|
|
|
1105 |
|
|
|
1106 |
// }}}
|
|
|
1107 |
// {{{ freePrepared()
|
|
|
1108 |
|
|
|
1109 |
/**
|
|
|
1110 |
* Frees the internal resources associated with a prepared query
|
|
|
1111 |
*
|
|
|
1112 |
* @param resource $stmt the prepared statement's PHP resource
|
|
|
1113 |
* @param bool $free_resource should the PHP resource be freed too?
|
|
|
1114 |
* Use false if you need to get data
|
|
|
1115 |
* from the result set later.
|
|
|
1116 |
*
|
|
|
1117 |
* @return bool TRUE on success, FALSE if $result is invalid
|
|
|
1118 |
*
|
|
|
1119 |
* @see DB_common::prepare()
|
|
|
1120 |
*/
|
|
|
1121 |
function freePrepared($stmt, $free_resource = true)
|
|
|
1122 |
{
|
|
|
1123 |
$stmt = (int)$stmt;
|
|
|
1124 |
if (isset($this->prepare_tokens[$stmt])) {
|
|
|
1125 |
unset($this->prepare_tokens[$stmt]);
|
|
|
1126 |
unset($this->prepare_types[$stmt]);
|
|
|
1127 |
unset($this->prepared_queries[$stmt]);
|
|
|
1128 |
return true;
|
|
|
1129 |
}
|
|
|
1130 |
return false;
|
|
|
1131 |
}
|
|
|
1132 |
|
|
|
1133 |
// }}}
|
|
|
1134 |
// {{{ modifyQuery()
|
|
|
1135 |
|
|
|
1136 |
/**
|
|
|
1137 |
* Changes a query string for various DBMS specific reasons
|
|
|
1138 |
*
|
|
|
1139 |
* It is defined here to ensure all drivers have this method available.
|
|
|
1140 |
*
|
|
|
1141 |
* @param string $query the query string to modify
|
|
|
1142 |
*
|
|
|
1143 |
* @return string the modified query string
|
|
|
1144 |
*
|
|
|
1145 |
* @access protected
|
|
|
1146 |
* @see DB_mysql::modifyQuery(), DB_oci8::modifyQuery(),
|
|
|
1147 |
* DB_sqlite::modifyQuery()
|
|
|
1148 |
*/
|
|
|
1149 |
function modifyQuery($query)
|
|
|
1150 |
{
|
|
|
1151 |
return $query;
|
|
|
1152 |
}
|
|
|
1153 |
|
|
|
1154 |
// }}}
|
|
|
1155 |
// {{{ modifyLimitQuery()
|
|
|
1156 |
|
|
|
1157 |
/**
|
|
|
1158 |
* Adds LIMIT clauses to a query string according to current DBMS standards
|
|
|
1159 |
*
|
|
|
1160 |
* It is defined here to assure that all implementations
|
|
|
1161 |
* have this method defined.
|
|
|
1162 |
*
|
|
|
1163 |
* @param string $query the query to modify
|
|
|
1164 |
* @param int $from the row to start to fetching (0 = the first row)
|
|
|
1165 |
* @param int $count the numbers of rows to fetch
|
|
|
1166 |
* @param mixed $params array, string or numeric data to be used in
|
|
|
1167 |
* execution of the statement. Quantity of items
|
|
|
1168 |
* passed must match quantity of placeholders in
|
|
|
1169 |
* query: meaning 1 placeholder for non-array
|
|
|
1170 |
* parameters or 1 placeholder per array element.
|
|
|
1171 |
*
|
|
|
1172 |
* @return string the query string with LIMIT clauses added
|
|
|
1173 |
*
|
|
|
1174 |
* @access protected
|
|
|
1175 |
*/
|
|
|
1176 |
function modifyLimitQuery($query, $from, $count, $params = array())
|
|
|
1177 |
{
|
|
|
1178 |
return $query;
|
|
|
1179 |
}
|
|
|
1180 |
|
|
|
1181 |
// }}}
|
|
|
1182 |
// {{{ query()
|
|
|
1183 |
|
|
|
1184 |
/**
|
|
|
1185 |
* Sends a query to the database server
|
|
|
1186 |
*
|
|
|
1187 |
* The query string can be either a normal statement to be sent directly
|
|
|
1188 |
* to the server OR if <var>$params</var> are passed the query can have
|
|
|
1189 |
* placeholders and it will be passed through prepare() and execute().
|
|
|
1190 |
*
|
|
|
1191 |
* @param string $query the SQL query or the statement to prepare
|
|
|
1192 |
* @param mixed $params array, string or numeric data to be used in
|
|
|
1193 |
* execution of the statement. Quantity of items
|
|
|
1194 |
* passed must match quantity of placeholders in
|
|
|
1195 |
* query: meaning 1 placeholder for non-array
|
|
|
1196 |
* parameters or 1 placeholder per array element.
|
|
|
1197 |
*
|
|
|
1198 |
* @return mixed a new DB_result object for successful SELECT queries
|
|
|
1199 |
* or DB_OK for successul data manipulation queries.
|
|
|
1200 |
* A DB_Error object on failure.
|
|
|
1201 |
*
|
|
|
1202 |
* @see DB_result, DB_common::prepare(), DB_common::execute()
|
|
|
1203 |
*/
|
|
|
1204 |
function &query($query, $params = array())
|
|
|
1205 |
{
|
|
|
1206 |
if (sizeof($params) > 0) {
|
|
|
1207 |
$sth = $this->prepare($query);
|
|
|
1208 |
if (DB::isError($sth)) {
|
|
|
1209 |
return $sth;
|
|
|
1210 |
}
|
|
|
1211 |
$ret = $this->execute($sth, $params);
|
|
|
1212 |
$this->freePrepared($sth, false);
|
|
|
1213 |
return $ret;
|
|
|
1214 |
} else {
|
|
|
1215 |
$this->last_parameters = array();
|
|
|
1216 |
$result = $this->simpleQuery($query);
|
|
|
1217 |
if ($result === DB_OK || DB::isError($result)) {
|
|
|
1218 |
return $result;
|
|
|
1219 |
} else {
|
|
|
1220 |
$tmp = new DB_result($this, $result);
|
|
|
1221 |
return $tmp;
|
|
|
1222 |
}
|
|
|
1223 |
}
|
|
|
1224 |
}
|
|
|
1225 |
|
|
|
1226 |
// }}}
|
|
|
1227 |
// {{{ limitQuery()
|
|
|
1228 |
|
|
|
1229 |
/**
|
|
|
1230 |
* Generates and executes a LIMIT query
|
|
|
1231 |
*
|
|
|
1232 |
* @param string $query the query
|
|
|
1233 |
* @param intr $from the row to start to fetching (0 = the first row)
|
|
|
1234 |
* @param int $count the numbers of rows to fetch
|
|
|
1235 |
* @param mixed $params array, string or numeric data to be used in
|
|
|
1236 |
* execution of the statement. Quantity of items
|
|
|
1237 |
* passed must match quantity of placeholders in
|
|
|
1238 |
* query: meaning 1 placeholder for non-array
|
|
|
1239 |
* parameters or 1 placeholder per array element.
|
|
|
1240 |
*
|
|
|
1241 |
* @return mixed a new DB_result object for successful SELECT queries
|
|
|
1242 |
* or DB_OK for successul data manipulation queries.
|
|
|
1243 |
* A DB_Error object on failure.
|
|
|
1244 |
*/
|
|
|
1245 |
function &limitQuery($query, $from, $count, $params = array())
|
|
|
1246 |
{
|
|
|
1247 |
$query = $this->modifyLimitQuery($query, $from, $count, $params);
|
|
|
1248 |
if (DB::isError($query)){
|
|
|
1249 |
return $query;
|
|
|
1250 |
}
|
|
|
1251 |
$result = $this->query($query, $params);
|
|
|
1252 |
if (is_a($result, 'DB_result')) {
|
|
|
1253 |
$result->setOption('limit_from', $from);
|
|
|
1254 |
$result->setOption('limit_count', $count);
|
|
|
1255 |
}
|
|
|
1256 |
return $result;
|
|
|
1257 |
}
|
|
|
1258 |
|
|
|
1259 |
// }}}
|
|
|
1260 |
// {{{ getOne()
|
|
|
1261 |
|
|
|
1262 |
/**
|
|
|
1263 |
* Fetches the first column of the first row from a query result
|
|
|
1264 |
*
|
|
|
1265 |
* Takes care of doing the query and freeing the results when finished.
|
|
|
1266 |
*
|
|
|
1267 |
* @param string $query the SQL query
|
|
|
1268 |
* @param mixed $params array, string or numeric data to be used in
|
|
|
1269 |
* execution of the statement. Quantity of items
|
|
|
1270 |
* passed must match quantity of placeholders in
|
|
|
1271 |
* query: meaning 1 placeholder for non-array
|
|
|
1272 |
* parameters or 1 placeholder per array element.
|
|
|
1273 |
*
|
|
|
1274 |
* @return mixed the returned value of the query.
|
|
|
1275 |
* A DB_Error object on failure.
|
|
|
1276 |
*/
|
|
|
1277 |
function &getOne($query, $params = array())
|
|
|
1278 |
{
|
|
|
1279 |
$params = (array)$params;
|
|
|
1280 |
// modifyLimitQuery() would be nice here, but it causes BC issues
|
|
|
1281 |
if (sizeof($params) > 0) {
|
|
|
1282 |
$sth = $this->prepare($query);
|
|
|
1283 |
if (DB::isError($sth)) {
|
|
|
1284 |
return $sth;
|
|
|
1285 |
}
|
|
|
1286 |
$res = $this->execute($sth, $params);
|
|
|
1287 |
$this->freePrepared($sth);
|
|
|
1288 |
} else {
|
|
|
1289 |
$res = $this->query($query);
|
|
|
1290 |
}
|
|
|
1291 |
|
|
|
1292 |
if (DB::isError($res)) {
|
|
|
1293 |
return $res;
|
|
|
1294 |
}
|
|
|
1295 |
|
|
|
1296 |
$err = $res->fetchInto($row, DB_FETCHMODE_ORDERED);
|
|
|
1297 |
$res->free();
|
|
|
1298 |
|
|
|
1299 |
if ($err !== DB_OK) {
|
|
|
1300 |
return $err;
|
|
|
1301 |
}
|
|
|
1302 |
|
|
|
1303 |
return $row[0];
|
|
|
1304 |
}
|
|
|
1305 |
|
|
|
1306 |
// }}}
|
|
|
1307 |
// {{{ getRow()
|
|
|
1308 |
|
|
|
1309 |
/**
|
|
|
1310 |
* Fetches the first row of data returned from a query result
|
|
|
1311 |
*
|
|
|
1312 |
* Takes care of doing the query and freeing the results when finished.
|
|
|
1313 |
*
|
|
|
1314 |
* @param string $query the SQL query
|
|
|
1315 |
* @param mixed $params array, string or numeric data to be used in
|
|
|
1316 |
* execution of the statement. Quantity of items
|
|
|
1317 |
* passed must match quantity of placeholders in
|
|
|
1318 |
* query: meaning 1 placeholder for non-array
|
|
|
1319 |
* parameters or 1 placeholder per array element.
|
|
|
1320 |
* @param int $fetchmode the fetch mode to use
|
|
|
1321 |
*
|
|
|
1322 |
* @return array the first row of results as an array.
|
|
|
1323 |
* A DB_Error object on failure.
|
|
|
1324 |
*/
|
|
|
1325 |
function &getRow($query, $params = array(),
|
|
|
1326 |
$fetchmode = DB_FETCHMODE_DEFAULT)
|
|
|
1327 |
{
|
|
|
1328 |
// compat check, the params and fetchmode parameters used to
|
|
|
1329 |
// have the opposite order
|
|
|
1330 |
if (!is_array($params)) {
|
|
|
1331 |
if (is_array($fetchmode)) {
|
|
|
1332 |
if ($params === null) {
|
|
|
1333 |
$tmp = DB_FETCHMODE_DEFAULT;
|
|
|
1334 |
} else {
|
|
|
1335 |
$tmp = $params;
|
|
|
1336 |
}
|
|
|
1337 |
$params = $fetchmode;
|
|
|
1338 |
$fetchmode = $tmp;
|
|
|
1339 |
} elseif ($params !== null) {
|
|
|
1340 |
$fetchmode = $params;
|
|
|
1341 |
$params = array();
|
|
|
1342 |
}
|
|
|
1343 |
}
|
|
|
1344 |
// modifyLimitQuery() would be nice here, but it causes BC issues
|
|
|
1345 |
if (sizeof($params) > 0) {
|
|
|
1346 |
$sth = $this->prepare($query);
|
|
|
1347 |
if (DB::isError($sth)) {
|
|
|
1348 |
return $sth;
|
|
|
1349 |
}
|
|
|
1350 |
$res = $this->execute($sth, $params);
|
|
|
1351 |
$this->freePrepared($sth);
|
|
|
1352 |
} else {
|
|
|
1353 |
$res = $this->query($query);
|
|
|
1354 |
}
|
|
|
1355 |
|
|
|
1356 |
if (DB::isError($res)) {
|
|
|
1357 |
return $res;
|
|
|
1358 |
}
|
|
|
1359 |
|
|
|
1360 |
$err = $res->fetchInto($row, $fetchmode);
|
|
|
1361 |
|
|
|
1362 |
$res->free();
|
|
|
1363 |
|
|
|
1364 |
if ($err !== DB_OK) {
|
|
|
1365 |
return $err;
|
|
|
1366 |
}
|
|
|
1367 |
|
|
|
1368 |
return $row;
|
|
|
1369 |
}
|
|
|
1370 |
|
|
|
1371 |
// }}}
|
|
|
1372 |
// {{{ getCol()
|
|
|
1373 |
|
|
|
1374 |
/**
|
|
|
1375 |
* Fetches a single column from a query result and returns it as an
|
|
|
1376 |
* indexed array
|
|
|
1377 |
*
|
|
|
1378 |
* @param string $query the SQL query
|
|
|
1379 |
* @param mixed $col which column to return (integer [column number,
|
|
|
1380 |
* starting at 0] or string [column name])
|
|
|
1381 |
* @param mixed $params array, string or numeric data to be used in
|
|
|
1382 |
* execution of the statement. Quantity of items
|
|
|
1383 |
* passed must match quantity of placeholders in
|
|
|
1384 |
* query: meaning 1 placeholder for non-array
|
|
|
1385 |
* parameters or 1 placeholder per array element.
|
|
|
1386 |
*
|
|
|
1387 |
* @return array the results as an array. A DB_Error object on failure.
|
|
|
1388 |
*
|
|
|
1389 |
* @see DB_common::query()
|
|
|
1390 |
*/
|
|
|
1391 |
function &getCol($query, $col = 0, $params = array())
|
|
|
1392 |
{
|
|
|
1393 |
$params = (array)$params;
|
|
|
1394 |
if (sizeof($params) > 0) {
|
|
|
1395 |
$sth = $this->prepare($query);
|
|
|
1396 |
|
|
|
1397 |
if (DB::isError($sth)) {
|
|
|
1398 |
return $sth;
|
|
|
1399 |
}
|
|
|
1400 |
|
|
|
1401 |
$res = $this->execute($sth, $params);
|
|
|
1402 |
$this->freePrepared($sth);
|
|
|
1403 |
} else {
|
|
|
1404 |
$res = $this->query($query);
|
|
|
1405 |
}
|
|
|
1406 |
|
|
|
1407 |
if (DB::isError($res)) {
|
|
|
1408 |
return $res;
|
|
|
1409 |
}
|
|
|
1410 |
|
|
|
1411 |
$fetchmode = is_int($col) ? DB_FETCHMODE_ORDERED : DB_FETCHMODE_ASSOC;
|
|
|
1412 |
|
|
|
1413 |
if (!is_array($row = $res->fetchRow($fetchmode))) {
|
|
|
1414 |
$ret = array();
|
|
|
1415 |
} else {
|
|
|
1416 |
if (!array_key_exists($col, $row)) {
|
|
|
1417 |
$ret = $this->raiseError(DB_ERROR_NOSUCHFIELD);
|
|
|
1418 |
} else {
|
|
|
1419 |
$ret = array($row[$col]);
|
|
|
1420 |
while (is_array($row = $res->fetchRow($fetchmode))) {
|
|
|
1421 |
$ret[] = $row[$col];
|
|
|
1422 |
}
|
|
|
1423 |
}
|
|
|
1424 |
}
|
|
|
1425 |
|
|
|
1426 |
$res->free();
|
|
|
1427 |
|
|
|
1428 |
if (DB::isError($row)) {
|
|
|
1429 |
$ret = $row;
|
|
|
1430 |
}
|
|
|
1431 |
|
|
|
1432 |
return $ret;
|
|
|
1433 |
}
|
|
|
1434 |
|
|
|
1435 |
// }}}
|
|
|
1436 |
// {{{ getAssoc()
|
|
|
1437 |
|
|
|
1438 |
/**
|
|
|
1439 |
* Fetches an entire query result and returns it as an
|
|
|
1440 |
* associative array using the first column as the key
|
|
|
1441 |
*
|
|
|
1442 |
* If the result set contains more than two columns, the value
|
|
|
1443 |
* will be an array of the values from column 2-n. If the result
|
|
|
1444 |
* set contains only two columns, the returned value will be a
|
|
|
1445 |
* scalar with the value of the second column (unless forced to an
|
|
|
1446 |
* array with the $force_array parameter). A DB error code is
|
|
|
1447 |
* returned on errors. If the result set contains fewer than two
|
|
|
1448 |
* columns, a DB_ERROR_TRUNCATED error is returned.
|
|
|
1449 |
*
|
|
|
1450 |
* For example, if the table "mytable" contains:
|
|
|
1451 |
*
|
|
|
1452 |
* <pre>
|
|
|
1453 |
* ID TEXT DATE
|
|
|
1454 |
* --------------------------------
|
|
|
1455 |
* 1 'one' 944679408
|
|
|
1456 |
* 2 'two' 944679408
|
|
|
1457 |
* 3 'three' 944679408
|
|
|
1458 |
* </pre>
|
|
|
1459 |
*
|
|
|
1460 |
* Then the call getAssoc('SELECT id,text FROM mytable') returns:
|
|
|
1461 |
* <pre>
|
|
|
1462 |
* array(
|
|
|
1463 |
* '1' => 'one',
|
|
|
1464 |
* '2' => 'two',
|
|
|
1465 |
* '3' => 'three',
|
|
|
1466 |
* )
|
|
|
1467 |
* </pre>
|
|
|
1468 |
*
|
|
|
1469 |
* ...while the call getAssoc('SELECT id,text,date FROM mytable') returns:
|
|
|
1470 |
* <pre>
|
|
|
1471 |
* array(
|
|
|
1472 |
* '1' => array('one', '944679408'),
|
|
|
1473 |
* '2' => array('two', '944679408'),
|
|
|
1474 |
* '3' => array('three', '944679408')
|
|
|
1475 |
* )
|
|
|
1476 |
* </pre>
|
|
|
1477 |
*
|
|
|
1478 |
* If the more than one row occurs with the same value in the
|
|
|
1479 |
* first column, the last row overwrites all previous ones by
|
|
|
1480 |
* default. Use the $group parameter if you don't want to
|
|
|
1481 |
* overwrite like this. Example:
|
|
|
1482 |
*
|
|
|
1483 |
* <pre>
|
|
|
1484 |
* getAssoc('SELECT category,id,name FROM mytable', false, null,
|
|
|
1485 |
* DB_FETCHMODE_ASSOC, true) returns:
|
|
|
1486 |
*
|
|
|
1487 |
* array(
|
|
|
1488 |
* '1' => array(array('id' => '4', 'name' => 'number four'),
|
|
|
1489 |
* array('id' => '6', 'name' => 'number six')
|
|
|
1490 |
* ),
|
|
|
1491 |
* '9' => array(array('id' => '4', 'name' => 'number four'),
|
|
|
1492 |
* array('id' => '6', 'name' => 'number six')
|
|
|
1493 |
* )
|
|
|
1494 |
* )
|
|
|
1495 |
* </pre>
|
|
|
1496 |
*
|
|
|
1497 |
* Keep in mind that database functions in PHP usually return string
|
|
|
1498 |
* values for results regardless of the database's internal type.
|
|
|
1499 |
*
|
|
|
1500 |
* @param string $query the SQL query
|
|
|
1501 |
* @param bool $force_array used only when the query returns
|
|
|
1502 |
* exactly two columns. If true, the values
|
|
|
1503 |
* of the returned array will be one-element
|
|
|
1504 |
* arrays instead of scalars.
|
|
|
1505 |
* @param mixed $params array, string or numeric data to be used in
|
|
|
1506 |
* execution of the statement. Quantity of
|
|
|
1507 |
* items passed must match quantity of
|
|
|
1508 |
* placeholders in query: meaning 1
|
|
|
1509 |
* placeholder for non-array parameters or
|
|
|
1510 |
* 1 placeholder per array element.
|
|
|
1511 |
* @param int $fetchmode the fetch mode to use
|
|
|
1512 |
* @param bool $group if true, the values of the returned array
|
|
|
1513 |
* is wrapped in another array. If the same
|
|
|
1514 |
* key value (in the first column) repeats
|
|
|
1515 |
* itself, the values will be appended to
|
|
|
1516 |
* this array instead of overwriting the
|
|
|
1517 |
* existing values.
|
|
|
1518 |
*
|
|
|
1519 |
* @return array the associative array containing the query results.
|
|
|
1520 |
* A DB_Error object on failure.
|
|
|
1521 |
*/
|
|
|
1522 |
function &getAssoc($query, $force_array = false, $params = array(),
|
|
|
1523 |
$fetchmode = DB_FETCHMODE_DEFAULT, $group = false)
|
|
|
1524 |
{
|
|
|
1525 |
$params = (array)$params;
|
|
|
1526 |
if (sizeof($params) > 0) {
|
|
|
1527 |
$sth = $this->prepare($query);
|
|
|
1528 |
|
|
|
1529 |
if (DB::isError($sth)) {
|
|
|
1530 |
return $sth;
|
|
|
1531 |
}
|
|
|
1532 |
|
|
|
1533 |
$res = $this->execute($sth, $params);
|
|
|
1534 |
$this->freePrepared($sth);
|
|
|
1535 |
} else {
|
|
|
1536 |
$res = $this->query($query);
|
|
|
1537 |
}
|
|
|
1538 |
|
|
|
1539 |
if (DB::isError($res)) {
|
|
|
1540 |
return $res;
|
|
|
1541 |
}
|
|
|
1542 |
if ($fetchmode == DB_FETCHMODE_DEFAULT) {
|
|
|
1543 |
$fetchmode = $this->fetchmode;
|
|
|
1544 |
}
|
|
|
1545 |
$cols = $res->numCols();
|
|
|
1546 |
|
|
|
1547 |
if ($cols < 2) {
|
|
|
1548 |
$tmp = $this->raiseError(DB_ERROR_TRUNCATED);
|
|
|
1549 |
return $tmp;
|
|
|
1550 |
}
|
|
|
1551 |
|
|
|
1552 |
$results = array();
|
|
|
1553 |
|
|
|
1554 |
if ($cols > 2 || $force_array) {
|
|
|
1555 |
// return array values
|
|
|
1556 |
// XXX this part can be optimized
|
|
|
1557 |
if ($fetchmode == DB_FETCHMODE_ASSOC) {
|
|
|
1558 |
while (is_array($row = $res->fetchRow(DB_FETCHMODE_ASSOC))) {
|
|
|
1559 |
reset($row);
|
|
|
1560 |
$key = current($row);
|
|
|
1561 |
unset($row[key($row)]);
|
|
|
1562 |
if ($group) {
|
|
|
1563 |
$results[$key][] = $row;
|
|
|
1564 |
} else {
|
|
|
1565 |
$results[$key] = $row;
|
|
|
1566 |
}
|
|
|
1567 |
}
|
|
|
1568 |
} elseif ($fetchmode == DB_FETCHMODE_OBJECT) {
|
|
|
1569 |
while ($row = $res->fetchRow(DB_FETCHMODE_OBJECT)) {
|
|
|
1570 |
$arr = get_object_vars($row);
|
|
|
1571 |
$key = current($arr);
|
|
|
1572 |
if ($group) {
|
|
|
1573 |
$results[$key][] = $row;
|
|
|
1574 |
} else {
|
|
|
1575 |
$results[$key] = $row;
|
|
|
1576 |
}
|
|
|
1577 |
}
|
|
|
1578 |
} else {
|
|
|
1579 |
while (is_array($row = $res->fetchRow(DB_FETCHMODE_ORDERED))) {
|
|
|
1580 |
// we shift away the first element to get
|
|
|
1581 |
// indices running from 0 again
|
|
|
1582 |
$key = array_shift($row);
|
|
|
1583 |
if ($group) {
|
|
|
1584 |
$results[$key][] = $row;
|
|
|
1585 |
} else {
|
|
|
1586 |
$results[$key] = $row;
|
|
|
1587 |
}
|
|
|
1588 |
}
|
|
|
1589 |
}
|
|
|
1590 |
if (DB::isError($row)) {
|
|
|
1591 |
$results = $row;
|
|
|
1592 |
}
|
|
|
1593 |
} else {
|
|
|
1594 |
// return scalar values
|
|
|
1595 |
while (is_array($row = $res->fetchRow(DB_FETCHMODE_ORDERED))) {
|
|
|
1596 |
if ($group) {
|
|
|
1597 |
$results[$row[0]][] = $row[1];
|
|
|
1598 |
} else {
|
|
|
1599 |
$results[$row[0]] = $row[1];
|
|
|
1600 |
}
|
|
|
1601 |
}
|
|
|
1602 |
if (DB::isError($row)) {
|
|
|
1603 |
$results = $row;
|
|
|
1604 |
}
|
|
|
1605 |
}
|
|
|
1606 |
|
|
|
1607 |
$res->free();
|
|
|
1608 |
|
|
|
1609 |
return $results;
|
|
|
1610 |
}
|
|
|
1611 |
|
|
|
1612 |
// }}}
|
|
|
1613 |
// {{{ getAll()
|
|
|
1614 |
|
|
|
1615 |
/**
|
|
|
1616 |
* Fetches all of the rows from a query result
|
|
|
1617 |
*
|
|
|
1618 |
* @param string $query the SQL query
|
|
|
1619 |
* @param mixed $params array, string or numeric data to be used in
|
|
|
1620 |
* execution of the statement. Quantity of
|
|
|
1621 |
* items passed must match quantity of
|
|
|
1622 |
* placeholders in query: meaning 1
|
|
|
1623 |
* placeholder for non-array parameters or
|
|
|
1624 |
* 1 placeholder per array element.
|
|
|
1625 |
* @param int $fetchmode the fetch mode to use:
|
|
|
1626 |
* + DB_FETCHMODE_ORDERED
|
|
|
1627 |
* + DB_FETCHMODE_ASSOC
|
|
|
1628 |
* + DB_FETCHMODE_ORDERED | DB_FETCHMODE_FLIPPED
|
|
|
1629 |
* + DB_FETCHMODE_ASSOC | DB_FETCHMODE_FLIPPED
|
|
|
1630 |
*
|
|
|
1631 |
* @return array the nested array. A DB_Error object on failure.
|
|
|
1632 |
*/
|
|
|
1633 |
function &getAll($query, $params = array(),
|
|
|
1634 |
$fetchmode = DB_FETCHMODE_DEFAULT)
|
|
|
1635 |
{
|
|
|
1636 |
// compat check, the params and fetchmode parameters used to
|
|
|
1637 |
// have the opposite order
|
|
|
1638 |
if (!is_array($params)) {
|
|
|
1639 |
if (is_array($fetchmode)) {
|
|
|
1640 |
if ($params === null) {
|
|
|
1641 |
$tmp = DB_FETCHMODE_DEFAULT;
|
|
|
1642 |
} else {
|
|
|
1643 |
$tmp = $params;
|
|
|
1644 |
}
|
|
|
1645 |
$params = $fetchmode;
|
|
|
1646 |
$fetchmode = $tmp;
|
|
|
1647 |
} elseif ($params !== null) {
|
|
|
1648 |
$fetchmode = $params;
|
|
|
1649 |
$params = array();
|
|
|
1650 |
}
|
|
|
1651 |
}
|
|
|
1652 |
|
|
|
1653 |
if (sizeof($params) > 0) {
|
|
|
1654 |
$sth = $this->prepare($query);
|
|
|
1655 |
|
|
|
1656 |
if (DB::isError($sth)) {
|
|
|
1657 |
return $sth;
|
|
|
1658 |
}
|
|
|
1659 |
|
|
|
1660 |
$res = $this->execute($sth, $params);
|
|
|
1661 |
$this->freePrepared($sth);
|
|
|
1662 |
} else {
|
|
|
1663 |
$res = $this->query($query);
|
|
|
1664 |
}
|
|
|
1665 |
|
|
|
1666 |
if ($res === DB_OK || DB::isError($res)) {
|
|
|
1667 |
return $res;
|
|
|
1668 |
}
|
|
|
1669 |
|
|
|
1670 |
$results = array();
|
|
|
1671 |
while (DB_OK === $res->fetchInto($row, $fetchmode)) {
|
|
|
1672 |
if ($fetchmode & DB_FETCHMODE_FLIPPED) {
|
|
|
1673 |
foreach ($row as $key => $val) {
|
|
|
1674 |
$results[$key][] = $val;
|
|
|
1675 |
}
|
|
|
1676 |
} else {
|
|
|
1677 |
$results[] = $row;
|
|
|
1678 |
}
|
|
|
1679 |
}
|
|
|
1680 |
|
|
|
1681 |
$res->free();
|
|
|
1682 |
|
|
|
1683 |
if (DB::isError($row)) {
|
|
|
1684 |
$tmp = $this->raiseError($row);
|
|
|
1685 |
return $tmp;
|
|
|
1686 |
}
|
|
|
1687 |
return $results;
|
|
|
1688 |
}
|
|
|
1689 |
|
|
|
1690 |
// }}}
|
|
|
1691 |
// {{{ autoCommit()
|
|
|
1692 |
|
|
|
1693 |
/**
|
|
|
1694 |
* Enables or disables automatic commits
|
|
|
1695 |
*
|
|
|
1696 |
* @param bool $onoff true turns it on, false turns it off
|
|
|
1697 |
*
|
|
|
1698 |
* @return int DB_OK on success. A DB_Error object if the driver
|
|
|
1699 |
* doesn't support auto-committing transactions.
|
|
|
1700 |
*/
|
|
|
1701 |
function autoCommit($onoff = false)
|
|
|
1702 |
{
|
|
|
1703 |
return $this->raiseError(DB_ERROR_NOT_CAPABLE);
|
|
|
1704 |
}
|
|
|
1705 |
|
|
|
1706 |
// }}}
|
|
|
1707 |
// {{{ commit()
|
|
|
1708 |
|
|
|
1709 |
/**
|
|
|
1710 |
* Commits the current transaction
|
|
|
1711 |
*
|
|
|
1712 |
* @return int DB_OK on success. A DB_Error object on failure.
|
|
|
1713 |
*/
|
|
|
1714 |
function commit()
|
|
|
1715 |
{
|
|
|
1716 |
return $this->raiseError(DB_ERROR_NOT_CAPABLE);
|
|
|
1717 |
}
|
|
|
1718 |
|
|
|
1719 |
// }}}
|
|
|
1720 |
// {{{ rollback()
|
|
|
1721 |
|
|
|
1722 |
/**
|
|
|
1723 |
* Reverts the current transaction
|
|
|
1724 |
*
|
|
|
1725 |
* @return int DB_OK on success. A DB_Error object on failure.
|
|
|
1726 |
*/
|
|
|
1727 |
function rollback()
|
|
|
1728 |
{
|
|
|
1729 |
return $this->raiseError(DB_ERROR_NOT_CAPABLE);
|
|
|
1730 |
}
|
|
|
1731 |
|
|
|
1732 |
// }}}
|
|
|
1733 |
// {{{ numRows()
|
|
|
1734 |
|
|
|
1735 |
/**
|
|
|
1736 |
* Determines the number of rows in a query result
|
|
|
1737 |
*
|
|
|
1738 |
* @param resource $result the query result idenifier produced by PHP
|
|
|
1739 |
*
|
|
|
1740 |
* @return int the number of rows. A DB_Error object on failure.
|
|
|
1741 |
*/
|
|
|
1742 |
function numRows($result)
|
|
|
1743 |
{
|
|
|
1744 |
return $this->raiseError(DB_ERROR_NOT_CAPABLE);
|
|
|
1745 |
}
|
|
|
1746 |
|
|
|
1747 |
// }}}
|
|
|
1748 |
// {{{ affectedRows()
|
|
|
1749 |
|
|
|
1750 |
/**
|
|
|
1751 |
* Determines the number of rows affected by a data maniuplation query
|
|
|
1752 |
*
|
|
|
1753 |
* 0 is returned for queries that don't manipulate data.
|
|
|
1754 |
*
|
|
|
1755 |
* @return int the number of rows. A DB_Error object on failure.
|
|
|
1756 |
*/
|
|
|
1757 |
function affectedRows()
|
|
|
1758 |
{
|
|
|
1759 |
return $this->raiseError(DB_ERROR_NOT_CAPABLE);
|
|
|
1760 |
}
|
|
|
1761 |
|
|
|
1762 |
// }}}
|
|
|
1763 |
// {{{ getSequenceName()
|
|
|
1764 |
|
|
|
1765 |
/**
|
|
|
1766 |
* Generates the name used inside the database for a sequence
|
|
|
1767 |
*
|
|
|
1768 |
* The createSequence() docblock contains notes about storing sequence
|
|
|
1769 |
* names.
|
|
|
1770 |
*
|
|
|
1771 |
* @param string $sqn the sequence's public name
|
|
|
1772 |
*
|
|
|
1773 |
* @return string the sequence's name in the backend
|
|
|
1774 |
*
|
|
|
1775 |
* @access protected
|
|
|
1776 |
* @see DB_common::createSequence(), DB_common::dropSequence(),
|
|
|
1777 |
* DB_common::nextID(), DB_common::setOption()
|
|
|
1778 |
*/
|
|
|
1779 |
function getSequenceName($sqn)
|
|
|
1780 |
{
|
|
|
1781 |
return sprintf($this->getOption('seqname_format'),
|
|
|
1782 |
preg_replace('/[^a-z0-9_.]/i', '_', $sqn));
|
|
|
1783 |
}
|
|
|
1784 |
|
|
|
1785 |
// }}}
|
|
|
1786 |
// {{{ nextId()
|
|
|
1787 |
|
|
|
1788 |
/**
|
|
|
1789 |
* Returns the next free id in a sequence
|
|
|
1790 |
*
|
|
|
1791 |
* @param string $seq_name name of the sequence
|
|
|
1792 |
* @param boolean $ondemand when true, the seqence is automatically
|
|
|
1793 |
* created if it does not exist
|
|
|
1794 |
*
|
|
|
1795 |
* @return int the next id number in the sequence.
|
|
|
1796 |
* A DB_Error object on failure.
|
|
|
1797 |
*
|
|
|
1798 |
* @see DB_common::createSequence(), DB_common::dropSequence(),
|
|
|
1799 |
* DB_common::getSequenceName()
|
|
|
1800 |
*/
|
|
|
1801 |
function nextId($seq_name, $ondemand = true)
|
|
|
1802 |
{
|
|
|
1803 |
return $this->raiseError(DB_ERROR_NOT_CAPABLE);
|
|
|
1804 |
}
|
|
|
1805 |
|
|
|
1806 |
// }}}
|
|
|
1807 |
// {{{ createSequence()
|
|
|
1808 |
|
|
|
1809 |
/**
|
|
|
1810 |
* Creates a new sequence
|
|
|
1811 |
*
|
|
|
1812 |
* The name of a given sequence is determined by passing the string
|
|
|
1813 |
* provided in the <var>$seq_name</var> argument through PHP's sprintf()
|
|
|
1814 |
* function using the value from the <var>seqname_format</var> option as
|
|
|
1815 |
* the sprintf()'s format argument.
|
|
|
1816 |
*
|
|
|
1817 |
* <var>seqname_format</var> is set via setOption().
|
|
|
1818 |
*
|
|
|
1819 |
* @param string $seq_name name of the new sequence
|
|
|
1820 |
*
|
|
|
1821 |
* @return int DB_OK on success. A DB_Error object on failure.
|
|
|
1822 |
*
|
|
|
1823 |
* @see DB_common::dropSequence(), DB_common::getSequenceName(),
|
|
|
1824 |
* DB_common::nextID()
|
|
|
1825 |
*/
|
|
|
1826 |
function createSequence($seq_name)
|
|
|
1827 |
{
|
|
|
1828 |
return $this->raiseError(DB_ERROR_NOT_CAPABLE);
|
|
|
1829 |
}
|
|
|
1830 |
|
|
|
1831 |
// }}}
|
|
|
1832 |
// {{{ dropSequence()
|
|
|
1833 |
|
|
|
1834 |
/**
|
|
|
1835 |
* Deletes a sequence
|
|
|
1836 |
*
|
|
|
1837 |
* @param string $seq_name name of the sequence to be deleted
|
|
|
1838 |
*
|
|
|
1839 |
* @return int DB_OK on success. A DB_Error object on failure.
|
|
|
1840 |
*
|
|
|
1841 |
* @see DB_common::createSequence(), DB_common::getSequenceName(),
|
|
|
1842 |
* DB_common::nextID()
|
|
|
1843 |
*/
|
|
|
1844 |
function dropSequence($seq_name)
|
|
|
1845 |
{
|
|
|
1846 |
return $this->raiseError(DB_ERROR_NOT_CAPABLE);
|
|
|
1847 |
}
|
|
|
1848 |
|
|
|
1849 |
// }}}
|
|
|
1850 |
// {{{ raiseError()
|
|
|
1851 |
|
|
|
1852 |
/**
|
|
|
1853 |
* Communicates an error and invoke error callbacks, etc
|
|
|
1854 |
*
|
|
|
1855 |
* Basically a wrapper for PEAR::raiseError without the message string.
|
|
|
1856 |
*
|
|
|
1857 |
* @param mixed integer error code, or a PEAR error object (all
|
|
|
1858 |
* other parameters are ignored if this parameter is
|
|
|
1859 |
* an object
|
|
|
1860 |
* @param int error mode, see PEAR_Error docs
|
|
|
1861 |
* @param mixed if error mode is PEAR_ERROR_TRIGGER, this is the
|
|
|
1862 |
* error level (E_USER_NOTICE etc). If error mode is
|
|
|
1863 |
* PEAR_ERROR_CALLBACK, this is the callback function,
|
|
|
1864 |
* either as a function name, or as an array of an
|
|
|
1865 |
* object and method name. For other error modes this
|
|
|
1866 |
* parameter is ignored.
|
|
|
1867 |
* @param string extra debug information. Defaults to the last
|
|
|
1868 |
* query and native error code.
|
|
|
1869 |
* @param mixed native error code, integer or string depending the
|
|
|
1870 |
* backend
|
|
|
1871 |
* @param mixed dummy parameter for E_STRICT compatibility with
|
|
|
1872 |
* PEAR::raiseError
|
|
|
1873 |
* @param mixed dummy parameter for E_STRICT compatibility with
|
|
|
1874 |
* PEAR::raiseError
|
|
|
1875 |
*
|
|
|
1876 |
* @return object the PEAR_Error object
|
|
|
1877 |
*
|
|
|
1878 |
* @see PEAR_Error
|
|
|
1879 |
*/
|
|
|
1880 |
function &raiseError($code = DB_ERROR, $mode = null, $options = null,
|
|
|
1881 |
$userinfo = null, $nativecode = null, $dummy1 = null,
|
|
|
1882 |
$dummy2 = null)
|
|
|
1883 |
{
|
|
|
1884 |
// The error is yet a DB error object
|
|
|
1885 |
if (is_object($code)) {
|
|
|
1886 |
// because we the static PEAR::raiseError, our global
|
|
|
1887 |
// handler should be used if it is set
|
|
|
1888 |
if ($mode === null && !empty($this->_default_error_mode)) {
|
|
|
1889 |
$mode = $this->_default_error_mode;
|
|
|
1890 |
$options = $this->_default_error_options;
|
|
|
1891 |
}
|
|
|
1892 |
$tmp = PEAR::raiseError($code, null, $mode, $options,
|
|
|
1893 |
null, null, true);
|
|
|
1894 |
return $tmp;
|
|
|
1895 |
}
|
|
|
1896 |
|
|
|
1897 |
if ($userinfo === null) {
|
|
|
1898 |
$userinfo = $this->last_query;
|
|
|
1899 |
}
|
|
|
1900 |
|
|
|
1901 |
if ($nativecode) {
|
|
|
1902 |
$userinfo .= ' [nativecode=' . trim($nativecode) . ']';
|
|
|
1903 |
} else {
|
|
|
1904 |
$userinfo .= ' [DB Error: ' . DB::errorMessage($code) . ']';
|
|
|
1905 |
}
|
|
|
1906 |
|
|
|
1907 |
$tmp = PEAR::raiseError(null, $code, $mode, $options, $userinfo,
|
|
|
1908 |
'DB_Error', true);
|
|
|
1909 |
return $tmp;
|
|
|
1910 |
}
|
|
|
1911 |
|
|
|
1912 |
// }}}
|
|
|
1913 |
// {{{ errorNative()
|
|
|
1914 |
|
|
|
1915 |
/**
|
|
|
1916 |
* Gets the DBMS' native error code produced by the last query
|
|
|
1917 |
*
|
|
|
1918 |
* @return mixed the DBMS' error code. A DB_Error object on failure.
|
|
|
1919 |
*/
|
|
|
1920 |
function errorNative()
|
|
|
1921 |
{
|
|
|
1922 |
return $this->raiseError(DB_ERROR_NOT_CAPABLE);
|
|
|
1923 |
}
|
|
|
1924 |
|
|
|
1925 |
// }}}
|
|
|
1926 |
// {{{ errorCode()
|
|
|
1927 |
|
|
|
1928 |
/**
|
|
|
1929 |
* Maps native error codes to DB's portable ones
|
|
|
1930 |
*
|
|
|
1931 |
* Uses the <var>$errorcode_map</var> property defined in each driver.
|
|
|
1932 |
*
|
|
|
1933 |
* @param string|int $nativecode the error code returned by the DBMS
|
|
|
1934 |
*
|
|
|
1935 |
* @return int the portable DB error code. Return DB_ERROR if the
|
|
|
1936 |
* current driver doesn't have a mapping for the
|
|
|
1937 |
* $nativecode submitted.
|
|
|
1938 |
*/
|
|
|
1939 |
function errorCode($nativecode)
|
|
|
1940 |
{
|
|
|
1941 |
if (isset($this->errorcode_map[$nativecode])) {
|
|
|
1942 |
return $this->errorcode_map[$nativecode];
|
|
|
1943 |
}
|
|
|
1944 |
// Fall back to DB_ERROR if there was no mapping.
|
|
|
1945 |
return DB_ERROR;
|
|
|
1946 |
}
|
|
|
1947 |
|
|
|
1948 |
// }}}
|
|
|
1949 |
// {{{ errorMessage()
|
|
|
1950 |
|
|
|
1951 |
/**
|
|
|
1952 |
* Maps a DB error code to a textual message
|
|
|
1953 |
*
|
|
|
1954 |
* @param integer $dbcode the DB error code
|
|
|
1955 |
*
|
|
|
1956 |
* @return string the error message corresponding to the error code
|
|
|
1957 |
* submitted. FALSE if the error code is unknown.
|
|
|
1958 |
*
|
|
|
1959 |
* @see DB::errorMessage()
|
|
|
1960 |
*/
|
|
|
1961 |
function errorMessage($dbcode)
|
|
|
1962 |
{
|
|
|
1963 |
return DB::errorMessage($this->errorcode_map[$dbcode]);
|
|
|
1964 |
}
|
|
|
1965 |
|
|
|
1966 |
// }}}
|
|
|
1967 |
// {{{ tableInfo()
|
|
|
1968 |
|
|
|
1969 |
/**
|
|
|
1970 |
* Returns information about a table or a result set
|
|
|
1971 |
*
|
|
|
1972 |
* The format of the resulting array depends on which <var>$mode</var>
|
|
|
1973 |
* you select. The sample output below is based on this query:
|
|
|
1974 |
* <pre>
|
|
|
1975 |
* SELECT tblFoo.fldID, tblFoo.fldPhone, tblBar.fldId
|
|
|
1976 |
* FROM tblFoo
|
|
|
1977 |
* JOIN tblBar ON tblFoo.fldId = tblBar.fldId
|
|
|
1978 |
* </pre>
|
|
|
1979 |
*
|
|
|
1980 |
* <ul>
|
|
|
1981 |
* <li>
|
|
|
1982 |
*
|
|
|
1983 |
* <kbd>null</kbd> (default)
|
|
|
1984 |
* <pre>
|
|
|
1985 |
* [0] => Array (
|
|
|
1986 |
* [table] => tblFoo
|
|
|
1987 |
* [name] => fldId
|
|
|
1988 |
* [type] => int
|
|
|
1989 |
* [len] => 11
|
|
|
1990 |
* [flags] => primary_key not_null
|
|
|
1991 |
* )
|
|
|
1992 |
* [1] => Array (
|
|
|
1993 |
* [table] => tblFoo
|
|
|
1994 |
* [name] => fldPhone
|
|
|
1995 |
* [type] => string
|
|
|
1996 |
* [len] => 20
|
|
|
1997 |
* [flags] =>
|
|
|
1998 |
* )
|
|
|
1999 |
* [2] => Array (
|
|
|
2000 |
* [table] => tblBar
|
|
|
2001 |
* [name] => fldId
|
|
|
2002 |
* [type] => int
|
|
|
2003 |
* [len] => 11
|
|
|
2004 |
* [flags] => primary_key not_null
|
|
|
2005 |
* )
|
|
|
2006 |
* </pre>
|
|
|
2007 |
*
|
|
|
2008 |
* </li><li>
|
|
|
2009 |
*
|
|
|
2010 |
* <kbd>DB_TABLEINFO_ORDER</kbd>
|
|
|
2011 |
*
|
|
|
2012 |
* <p>In addition to the information found in the default output,
|
|
|
2013 |
* a notation of the number of columns is provided by the
|
|
|
2014 |
* <samp>num_fields</samp> element while the <samp>order</samp>
|
|
|
2015 |
* element provides an array with the column names as the keys and
|
|
|
2016 |
* their location index number (corresponding to the keys in the
|
|
|
2017 |
* the default output) as the values.</p>
|
|
|
2018 |
*
|
|
|
2019 |
* <p>If a result set has identical field names, the last one is
|
|
|
2020 |
* used.</p>
|
|
|
2021 |
*
|
|
|
2022 |
* <pre>
|
|
|
2023 |
* [num_fields] => 3
|
|
|
2024 |
* [order] => Array (
|
|
|
2025 |
* [fldId] => 2
|
|
|
2026 |
* [fldTrans] => 1
|
|
|
2027 |
* )
|
|
|
2028 |
* </pre>
|
|
|
2029 |
*
|
|
|
2030 |
* </li><li>
|
|
|
2031 |
*
|
|
|
2032 |
* <kbd>DB_TABLEINFO_ORDERTABLE</kbd>
|
|
|
2033 |
*
|
|
|
2034 |
* <p>Similar to <kbd>DB_TABLEINFO_ORDER</kbd> but adds more
|
|
|
2035 |
* dimensions to the array in which the table names are keys and
|
|
|
2036 |
* the field names are sub-keys. This is helpful for queries that
|
|
|
2037 |
* join tables which have identical field names.</p>
|
|
|
2038 |
*
|
|
|
2039 |
* <pre>
|
|
|
2040 |
* [num_fields] => 3
|
|
|
2041 |
* [ordertable] => Array (
|
|
|
2042 |
* [tblFoo] => Array (
|
|
|
2043 |
* [fldId] => 0
|
|
|
2044 |
* [fldPhone] => 1
|
|
|
2045 |
* )
|
|
|
2046 |
* [tblBar] => Array (
|
|
|
2047 |
* [fldId] => 2
|
|
|
2048 |
* )
|
|
|
2049 |
* )
|
|
|
2050 |
* </pre>
|
|
|
2051 |
*
|
|
|
2052 |
* </li>
|
|
|
2053 |
* </ul>
|
|
|
2054 |
*
|
|
|
2055 |
* The <samp>flags</samp> element contains a space separated list
|
|
|
2056 |
* of extra information about the field. This data is inconsistent
|
|
|
2057 |
* between DBMS's due to the way each DBMS works.
|
|
|
2058 |
* + <samp>primary_key</samp>
|
|
|
2059 |
* + <samp>unique_key</samp>
|
|
|
2060 |
* + <samp>multiple_key</samp>
|
|
|
2061 |
* + <samp>not_null</samp>
|
|
|
2062 |
*
|
|
|
2063 |
* Most DBMS's only provide the <samp>table</samp> and <samp>flags</samp>
|
|
|
2064 |
* elements if <var>$result</var> is a table name. The following DBMS's
|
|
|
2065 |
* provide full information from queries:
|
|
|
2066 |
* + fbsql
|
|
|
2067 |
* + mysql
|
|
|
2068 |
*
|
|
|
2069 |
* If the 'portability' option has <samp>DB_PORTABILITY_LOWERCASE</samp>
|
|
|
2070 |
* turned on, the names of tables and fields will be lowercased.
|
|
|
2071 |
*
|
|
|
2072 |
* @param object|string $result DB_result object from a query or a
|
|
|
2073 |
* string containing the name of a table.
|
|
|
2074 |
* While this also accepts a query result
|
|
|
2075 |
* resource identifier, this behavior is
|
|
|
2076 |
* deprecated.
|
|
|
2077 |
* @param int $mode either unused or one of the tableInfo modes:
|
|
|
2078 |
* <kbd>DB_TABLEINFO_ORDERTABLE</kbd>,
|
|
|
2079 |
* <kbd>DB_TABLEINFO_ORDER</kbd> or
|
|
|
2080 |
* <kbd>DB_TABLEINFO_FULL</kbd> (which does both).
|
|
|
2081 |
* These are bitwise, so the first two can be
|
|
|
2082 |
* combined using <kbd>|</kbd>.
|
|
|
2083 |
*
|
|
|
2084 |
* @return array an associative array with the information requested.
|
|
|
2085 |
* A DB_Error object on failure.
|
|
|
2086 |
*
|
|
|
2087 |
* @see DB_common::setOption()
|
|
|
2088 |
*/
|
|
|
2089 |
function tableInfo($result, $mode = null)
|
|
|
2090 |
{
|
|
|
2091 |
/*
|
|
|
2092 |
* If the DB_<driver> class has a tableInfo() method, that one
|
|
|
2093 |
* overrides this one. But, if the driver doesn't have one,
|
|
|
2094 |
* this method runs and tells users about that fact.
|
|
|
2095 |
*/
|
|
|
2096 |
return $this->raiseError(DB_ERROR_NOT_CAPABLE);
|
|
|
2097 |
}
|
|
|
2098 |
|
|
|
2099 |
// }}}
|
|
|
2100 |
// {{{ getTables()
|
|
|
2101 |
|
|
|
2102 |
/**
|
|
|
2103 |
* Lists the tables in the current database
|
|
|
2104 |
*
|
|
|
2105 |
* @return array the list of tables. A DB_Error object on failure.
|
|
|
2106 |
*
|
|
|
2107 |
* @deprecated Method deprecated some time before Release 1.2
|
|
|
2108 |
*/
|
|
|
2109 |
function getTables()
|
|
|
2110 |
{
|
|
|
2111 |
return $this->getListOf('tables');
|
|
|
2112 |
}
|
|
|
2113 |
|
|
|
2114 |
// }}}
|
|
|
2115 |
// {{{ getListOf()
|
|
|
2116 |
|
|
|
2117 |
/**
|
|
|
2118 |
* Lists internal database information
|
|
|
2119 |
*
|
|
|
2120 |
* @param string $type type of information being sought.
|
|
|
2121 |
* Common items being sought are:
|
|
|
2122 |
* tables, databases, users, views, functions
|
|
|
2123 |
* Each DBMS's has its own capabilities.
|
|
|
2124 |
*
|
|
|
2125 |
* @return array an array listing the items sought.
|
|
|
2126 |
* A DB DB_Error object on failure.
|
|
|
2127 |
*/
|
|
|
2128 |
function getListOf($type)
|
|
|
2129 |
{
|
|
|
2130 |
$sql = $this->getSpecialQuery($type);
|
|
|
2131 |
if ($sql === null) {
|
|
|
2132 |
$this->last_query = '';
|
|
|
2133 |
return $this->raiseError(DB_ERROR_UNSUPPORTED);
|
|
|
2134 |
} elseif (is_int($sql) || DB::isError($sql)) {
|
|
|
2135 |
// Previous error
|
|
|
2136 |
return $this->raiseError($sql);
|
|
|
2137 |
} elseif (is_array($sql)) {
|
|
|
2138 |
// Already the result
|
|
|
2139 |
return $sql;
|
|
|
2140 |
}
|
|
|
2141 |
// Launch this query
|
|
|
2142 |
return $this->getCol($sql);
|
|
|
2143 |
}
|
|
|
2144 |
|
|
|
2145 |
// }}}
|
|
|
2146 |
// {{{ getSpecialQuery()
|
|
|
2147 |
|
|
|
2148 |
/**
|
|
|
2149 |
* Obtains the query string needed for listing a given type of objects
|
|
|
2150 |
*
|
|
|
2151 |
* @param string $type the kind of objects you want to retrieve
|
|
|
2152 |
*
|
|
|
2153 |
* @return string the SQL query string or null if the driver doesn't
|
|
|
2154 |
* support the object type requested
|
|
|
2155 |
*
|
|
|
2156 |
* @access protected
|
|
|
2157 |
* @see DB_common::getListOf()
|
|
|
2158 |
*/
|
|
|
2159 |
function getSpecialQuery($type)
|
|
|
2160 |
{
|
|
|
2161 |
return $this->raiseError(DB_ERROR_UNSUPPORTED);
|
|
|
2162 |
}
|
|
|
2163 |
|
|
|
2164 |
// }}}
|
|
|
2165 |
// {{{ nextQueryIsManip()
|
|
|
2166 |
|
|
|
2167 |
/**
|
|
|
2168 |
* Sets (or unsets) a flag indicating that the next query will be a
|
|
|
2169 |
* manipulation query, regardless of the usual DB::isManip() heuristics.
|
|
|
2170 |
*
|
|
|
2171 |
* @param boolean true to set the flag overriding the isManip() behaviour,
|
|
|
2172 |
* false to clear it and fall back onto isManip()
|
|
|
2173 |
*
|
|
|
2174 |
* @return void
|
|
|
2175 |
*
|
|
|
2176 |
* @access public
|
|
|
2177 |
*/
|
|
|
2178 |
function nextQueryIsManip($manip)
|
|
|
2179 |
{
|
|
|
2180 |
$this->_next_query_manip = $manip;
|
|
|
2181 |
}
|
|
|
2182 |
|
|
|
2183 |
// }}}
|
|
|
2184 |
// {{{ _checkManip()
|
|
|
2185 |
|
|
|
2186 |
/**
|
|
|
2187 |
* Checks if the given query is a manipulation query. This also takes into
|
|
|
2188 |
* account the _next_query_manip flag and sets the _last_query_manip flag
|
|
|
2189 |
* (and resets _next_query_manip) according to the result.
|
|
|
2190 |
*
|
|
|
2191 |
* @param string The query to check.
|
|
|
2192 |
*
|
|
|
2193 |
* @return boolean true if the query is a manipulation query, false
|
|
|
2194 |
* otherwise
|
|
|
2195 |
*
|
|
|
2196 |
* @access protected
|
|
|
2197 |
*/
|
|
|
2198 |
function _checkManip($query)
|
|
|
2199 |
{
|
|
|
2200 |
if ($this->_next_query_manip || DB::isManip($query)) {
|
|
|
2201 |
$this->_last_query_manip = true;
|
|
|
2202 |
} else {
|
|
|
2203 |
$this->_last_query_manip = false;
|
|
|
2204 |
}
|
|
|
2205 |
$this->_next_query_manip = false;
|
|
|
2206 |
return $this->_last_query_manip;
|
|
|
2207 |
$manip = $this->_next_query_manip;
|
|
|
2208 |
}
|
|
|
2209 |
|
|
|
2210 |
// }}}
|
|
|
2211 |
// {{{ _rtrimArrayValues()
|
|
|
2212 |
|
|
|
2213 |
/**
|
|
|
2214 |
* Right-trims all strings in an array
|
|
|
2215 |
*
|
|
|
2216 |
* @param array $array the array to be trimmed (passed by reference)
|
|
|
2217 |
*
|
|
|
2218 |
* @return void
|
|
|
2219 |
*
|
|
|
2220 |
* @access protected
|
|
|
2221 |
*/
|
|
|
2222 |
function _rtrimArrayValues(&$array)
|
|
|
2223 |
{
|
|
|
2224 |
foreach ($array as $key => $value) {
|
|
|
2225 |
if (is_string($value)) {
|
|
|
2226 |
$array[$key] = rtrim($value);
|
|
|
2227 |
}
|
|
|
2228 |
}
|
|
|
2229 |
}
|
|
|
2230 |
|
|
|
2231 |
// }}}
|
|
|
2232 |
// {{{ _convertNullArrayValuesToEmpty()
|
|
|
2233 |
|
|
|
2234 |
/**
|
|
|
2235 |
* Converts all null values in an array to empty strings
|
|
|
2236 |
*
|
|
|
2237 |
* @param array $array the array to be de-nullified (passed by reference)
|
|
|
2238 |
*
|
|
|
2239 |
* @return void
|
|
|
2240 |
*
|
|
|
2241 |
* @access protected
|
|
|
2242 |
*/
|
|
|
2243 |
function _convertNullArrayValuesToEmpty(&$array)
|
|
|
2244 |
{
|
|
|
2245 |
foreach ($array as $key => $value) {
|
|
|
2246 |
if (is_null($value)) {
|
|
|
2247 |
$array[$key] = '';
|
|
|
2248 |
}
|
|
|
2249 |
}
|
|
|
2250 |
}
|
|
|
2251 |
|
|
|
2252 |
// }}}
|
|
|
2253 |
}
|
|
|
2254 |
|
|
|
2255 |
/*
|
|
|
2256 |
* Local variables:
|
|
|
2257 |
* tab-width: 4
|
|
|
2258 |
* c-basic-offset: 4
|
|
|
2259 |
* End:
|
|
|
2260 |
*/
|
|
|
2261 |
|
|
|
2262 |
?>
|