function getRules($table)
{
$c_schema = $this->_schema;
$this->clean($c_schema);
$this->clean($table);
$sql = "\n\t\t\tSELECT *\n\t\t\tFROM pg_catalog.pg_rules\n\t\t\tWHERE\n\t\t\t\tschemaname='{$c_schema}' AND tablename='{$table}'\n\t\t\tORDER BY rulename\n\t\t";
return $this->selectSet($sql);
}