Introduction to DBIx::Class resultsets. Convers some mid-level topics. Assumes some basic DBIC knowledge as well as database and SQL understanding.

1. DBIx::Class Resultsets Help resultsets help you get results.

5. Iterating my $campaigns = $schema-> resultset ( ‘Main::Campaign’ ); while (my $campaign = $campaigns-> next ()) { print $campaign->campaign_name() . “”; }

7. Searching my $campaigns = $schema-> resultset ( ‘Main::Campaign’ ); $campaigns = $campaigns-> search ( { status => 1 }, ); while (my $campaign = $campaigns-> next ()) { print $campaign->campaign_name() . “”; }

9. Building a Search $campaigns = $campaigns-> search ( { status => 1 }, { page => 3, rows => 20 }, ); $campaigns = $campaigns->search( undef, { order_by => [‘aid’,’cid’] }, ); $campaigns = $campaigns->search( { tid => 5 }, ); print $campaigns->count(); # SELECT COUNT(*) FROM main.campaign # WHERE status = 1 AND tid = 5 # ORDER BY aid, cid LIMIT 41, 60

11. Pagination $campaigns = $campaigns-> search ( { status => 1 }, { page => 3, rows => 20 }, ); my $pager = $campaigns->pager(); printf( “Viewing %d - %d of %d.”, $pager->first(), $pager->last(), $pager->total_entries(), ); while (my $campaign = $campaigns-> next ()) { print $campaign->campaign_name() . “”; }