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};
}

##</code><code>##

'11102' => {
    'user' => 'sql_user',
    'rows_sent' => '0',
    'rows_exam' => '32348',
    'query_time' => '55',
    'log_time' => '13:11:13',
    'query' => 'select something from somewhere',
},