# primary keys of the main table in the inner query. This hopefully still
# hits the indexes and keeps mysql happy.
# (mysql does not care if the SELECT and the GROUP BY match)
-sub _grouped_count_select {
- my ($self, $source, $rs_args) = @_;
- my @pcols = map { join '.', $rs_args->{alias}, $_ } ($source->primary_columns);
- return @pcols ? \@pcols : $rs_args->{group_by};
+sub _subq_count_select {
+ my ($self, $source, $rs_attrs) = @_;
+ my @pcols = map { join '.', $rs_attrs->{alias}, $_ } ($source->primary_columns);
+ return @pcols ? \@pcols : [ 1 ];
}
1;