my $join_clause = join ' ', @joins{ grep $joins_needed{$_}, @join_order };
my $where_clause = join ' AND ', map { "($_)" } @where_tokens;
my $group_clause = ' GROUP BY ' . join ', ', map { ($table_prefix{$_} || "p.") . $_ } @group_tokens if scalar @group_tokens;
my $join_clause = join ' ', @joins{ grep $joins_needed{$_}, @join_order };
my $where_clause = join ' AND ', map { "($_)" } @where_tokens;
my $group_clause = ' GROUP BY ' . join ', ', map { ($table_prefix{$_} || "p.") . $_ } @group_tokens if scalar @group_tokens;