my %sq_ds_uniq;
for my $key (keys %sq_ds) {
    for my $key_uniq (keys %sq_ds_uniq) {
        ### This line is metacode
        last if $sq_ds{$key}{query} is like $sq_ds_uniq{$key_uniq}{query};
    }
    $sq_ds_uniq{$key} = $sq_ds{$key};
}