X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=t%2Fprefetch%2Fvia_search_related.t;h=1942c1421b81dbbc1456327b7ebcd26e9880eef6;hb=b9df8e39d03e6da167b2598f6ee70fb16c069112;hp=398857735520b3030566374b2348ed6dae0a2071;hpb=340926fd47fc18ba4f4a838ec783b4ad3e1d2f5d;p=dbsrgits%2FDBIx-Class.git diff --git a/t/prefetch/via_search_related.t b/t/prefetch/via_search_related.t index 3988577..1942c14 100644 --- a/t/prefetch/via_search_related.t +++ b/t/prefetch/via_search_related.t @@ -9,6 +9,10 @@ use DBICTest; my $schema = DBICTest->init_schema(); +my $queries; +my $debugcb = sub { $queries++; }; +my $orig_debug = $schema->storage->debug; + lives_ok ( sub { my $no_prefetch = $schema->resultset('Track')->search_related(cd => { @@ -37,7 +41,6 @@ lives_ok ( sub { }, 'search_related prefetch with order_by works'); - lives_ok ( sub { my $no_prefetch = $schema->resultset('Track')->search_related(cd => { @@ -57,16 +60,15 @@ lives_ok ( sub { } ); - is($use_prefetch->count, $no_prefetch->count, 'counts with and without prefetch match'); is( scalar ($use_prefetch->all), scalar ($no_prefetch->all), "Amount of returned rows is right" ); + is($use_prefetch->count, $no_prefetch->count, 'counts with and without prefetch match'); }, 'search_related prefetch with condition referencing unqualified column of a joined table works'); - lives_ok (sub { my $rs = $schema->resultset("Artwork")->search(undef, {distinct => 1}) ->search_related('artwork_to_artist')->search_related('artist', @@ -108,26 +110,40 @@ lives_ok (sub { is($rs->search_related('cds')->count, 4, 'prefetch without distinct (count)'); - $rs = $artist_rs->search(undef, {distinct => 1}) - ->search_related('cds')->search_related('genre', + $rs = $artist_rs->search_related('cds', {}, { distinct => 1})->search_related('genre', { 'genre.name' => 'vague genre' }, ); + is($rs->all, 2, 'distinct does not propagate over search_related (objects)'); + is($rs->count, 2, 'distinct does not propagate over search_related (count)'); + + $rs = $rs->search ({}, { distinct => 1} ); is($rs->all, 1, 'distinct without prefetch (objects)'); is($rs->count, 1, 'distinct without prefetch (count)'); - $rs = $artist_rs->search({}, {distinct => 1}) - ->search_related('cds')->search_related('genre', + $rs = $artist_rs->search_related('cds')->search_related('genre', { 'genre.name' => 'vague genre' }, - { prefetch => 'cds' }, + { prefetch => 'cds', distinct => 1 }, ); is($rs->all, 1, 'distinct with prefetch (objects)'); is($rs->count, 1, 'distinct with prefetch (count)'); + + TODO: { + local $TODO = "This makes another 2 trips to the database, it can't be right"; + + $queries = 0; + $schema->storage->debugcb ($debugcb); + $schema->storage->debug (1); + # artist -> 2 cds -> 2 genres -> 2 cds for each genre + distinct = 2 is($rs->search_related('cds')->all, 2, 'prefetched distinct with prefetch (objects)'); is($rs->search_related('cds')->count, 2, 'prefetched distinct with prefetch (count)'); + is ($queries, 0, 'No extra queries fired (prefetch survives search_related)'); + $schema->storage->debugcb (undef); + $schema->storage->debug ($orig_debug); + } }, 'distinct generally works with prefetch on deep search_related chains');