/**
* Set the table for a delete.
*
* @param string $table table name or array($table, $alias) or object
*/
public function __construct($table = null)
{
$this->table = null;
$this->where = array();
$this->orderBy = array();
$this->limit = null;
if (null !== $table) {
$this->table($table);
}
return parent::__construct('');
}
/**
* Sets the initial columns to select from.
*
* @param array $columns column list
*/
public function __construct(array $columns = null)
{
$this->select = array();
$this->distinct = false;
$this->from = array();
$this->join = array();
$this->groupBy = array();
$this->having = array();
$this->offset = null;
$this->union = array();
$this->lastJoin = null;
$this->where = array();
$this->orderBy = array();
$this->limit = null;
if (!empty($columns)) {
$this->select = $columns;
}
parent::__construct('');
}