Файл: framework/model/queries/SQLUpdate.php
Строк: 144
<?php
/**
* Object representing a SQL UPDATE query.
* The various parts of the SQL query can be manipulated individually.
*
* @package framework
* @subpackage model
*/
class SQLUpdate extends SQLConditionalExpression implements SQLWriteExpression {
/**
* The assignment to create for this update
*
* @var SQLAssignmentRow
*/
protected $assignment = null;
/**
* Construct a new SQLUpdate object
*
* @param string $table Table name to update (ANSI quoted)
* @param array $assignment List of column assignments
* @param array $where List of where clauses
* @return static
*/
public static function create($table = null, $assignment = array(), $where = array()) {
return Injector::inst()->createWithArgs(__CLASS__, func_get_args());
}
/**
* Construct a new SQLUpdate object
*
* @param string $table Table name to update (ANSI quoted)
* @param array $assignment List of column assignments
* @param array $where List of where clauses
*/
function __construct($table = null, $assignment = array(), $where = array()) {
parent::__construct(null, $where);
$this->assignment = new SQLAssignmentRow();
$this->setTable($table);
$this->setAssignments($assignment);
}
/**
* Sets the table name to update
*
* @param string $table
* @return self Self reference
*/
public function setTable($table) {
return $this->setFrom($table);
}
/**
* Gets the table name to update
*
* @return string Name of the table
*/
public function getTable() {
return reset($this->from);
}
public function addAssignments(array $assignments) {
$this->assignment->addAssignments($assignments);
return $this;
}
public function setAssignments(array $assignments) {
$this->assignment->setAssignments($assignments);
return $this;
}
public function getAssignments() {
return $this->assignment->getAssignments();
}
public function assign($field, $value) {
$this->assignment->assign($field, $value);
return $this;
}
public function assignSQL($field, $sql) {
$this->assignment->assignSQL($field, $sql);
return $this;
}
/**
* Clears all currently set assigment values
*
* @return self The self reference to this query
*/
public function clear() {
$this->assignment->clear();
return $this;
}
public function isEmpty() {
return empty($this->assignment) || $this->assignment->isEmpty() || parent::isEmpty();
}
}