protected function where_match(Q $q, array $self_columns)
{
$query = new Q();
foreach ($q->arArg1() as $cond) {
if (strpos($cond, "=") !== false) {
list($column, $value) = explode("=", $cond);
$not = substr($value, 0, 1) == "!";
$value = $not ? strlen($value) > 1 ? substr($value, 1) : "" : $value;
if ($value === "") {
$query->add($not ? Q::neq($column, "") : Q::eq($column, ""));
} else {
$query->add($not ? Q::contains($column, $value, $q->param() | Q::NOT) : Q::contains($column, $value, $q->param()));
}
} else {
$columns = array();
foreach ($self_columns as $column) {
$columns[] = $column->name();
}
$query->add(Q::contains(implode(",", $columns), explode(" ", $cond), $q->param()));
}
}
return $query;
}