/**
* @return String
*/
protected function createChannelsWithEmptyRow(Gpf_SqlBuilder_SelectBuilder $select) {
$selectNullRow = new Gpf_SqlBuilder_SelectClause();
$selectNullRow->add('\'\'', Pap_Db_Table_Channels::ID);
$selectNullRow->add('\' ' . $this->_('None channel') . '\'', Pap_Db_Table_Channels::NAME);
return $select->toString() . ' UNION ' . $selectNullRow->toString();
}
public function equals(Gpf_SqlBuilder_SelectClause $select)
{
return $select->toString() == $this->toString();
}
public function toString()
{
return $this->select->toString() . ($this->from->isEmpty() ? '' : "FROM " . $this->from->toString()) . $this->where->toString() . $this->groupBy->toString() . $this->having->toString() . $this->orderBy->toString() . $this->limit->toString();
}
