89 lines
2.5 KiB
PHP
89 lines
2.5 KiB
PHP
<?php
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namespace SilverStripe\ORM\Queries;
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use Injector;
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/**
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* Object representing a SQL DELETE query.
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* The various parts of the SQL query can be manipulated individually.
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*
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* @package framework
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* @subpackage orm
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*/
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class SQLDelete extends SQLConditionalExpression {
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/**
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* List of tables to limit the delete to, if multiple tables
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* are specified in the condition clause
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*
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* @see http://dev.mysql.com/doc/refman/5.0/en/delete.html
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*
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* @var array
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*/
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protected $delete = array();
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/**
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* Construct a new SQLDelete.
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*
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* @param array|string $from An array of Tables (FROM clauses). The first one should be just the table name.
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* Each should be ANSI quoted.
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* @param array $where An array of WHERE clauses.
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* @param array|string $delete The table(s) to delete, if multiple tables are queried from
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* @return self Self reference
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*/
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public static function create($from = array(), $where = array(), $delete = array()) {
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return Injector::inst()->createWithArgs(__CLASS__, func_get_args());
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}
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/**
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* Construct a new SQLDelete.
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*
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* @param array|string $from An array of Tables (FROM clauses). The first one should be just the table name.
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* Each should be ANSI quoted.
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* @param array $where An array of WHERE clauses.
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* @param array|string $delete The table(s) to delete, if multiple tables are queried from
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*/
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function __construct($from = array(), $where = array(), $delete = array()) {
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parent::__construct($from, $where);
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$this->setDelete($delete);
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}
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/**
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* List of tables to limit the delete to, if multiple tables
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* are specified in the condition clause
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*
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* @return array
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*/
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public function getDelete() {
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return $this->delete;
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}
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/**
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* Sets the list of tables to limit the delete to, if multiple tables
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* are specified in the condition clause
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*
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* @param string|array $tables Escaped SQL statement, usually an unquoted table name
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* @return self Self reference
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*/
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public function setDelete($tables) {
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$this->delete = array();
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return $this->addDelete($tables);
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}
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/**
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* Sets the list of tables to limit the delete to, if multiple tables
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* are specified in the condition clause
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*
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* @param string|array $tables Escaped SQL statement, usually an unquoted table name
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* @return self Self reference
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*/
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public function addDelete($tables) {
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if(is_array($tables)) {
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$this->delete = array_merge($this->delete, $tables);
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} elseif(!empty($tables)) {
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$this->delete[str_replace(array('"','`'), '', $tables)] = $tables;
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}
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}
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}
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