Source for file TSqlDelete.php

Documentation is available at TSqlDelete.php

<?php
namespace Adianti\Database;
use Adianti\Database\TSqlStatement;
/**
* Provides an Interface to create DELETE statements
*
* @version 7.4
* @package database
* @author Pablo Dall'Oglio
* @copyright Copyright (c) 2006 Adianti Solutions Ltd. (http://www.adianti.com.br)
* @license http://www.adianti.com.br/framework-license
*/
class TSqlDelete extends TSqlStatement
{
protected $sql;
protected $criteria; // stores the select criteria
/**
* Returns a string containing the DELETE plain statement
* @param $prepared Return a prepared Statement
*/
public function getInstruction( $prepared = FALSE )
{
// creates the DELETE instruction
$this->sql = "DELETE FROM {$this->entity}";
// concatenates with the criteria (WHERE)
if ($this->criteria)
{
$dbInfo = TTransaction::getDatabaseInfo();
if (isset($dbInfo['case']) && $dbInfo['case'] == 'insensitive')
{
$this->criteria->setCaseInsensitive(TRUE);
}
$expression = $this->criteria->dump( $prepared );
if ($expression)
{
$this->sql .= ' WHERE ' . $expression;
}
}
return $this->sql;
}

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