X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=t%2Fprefetch%2Fvia_search_related.t;h=1942c1421b81dbbc1456327b7ebcd26e9880eef6;hb=4e9fc3f33df616fb7340d05e304ff985b9cce9cb;hp=041c341dd8daa7729ed98e154d0b884176865c79;hpb=e711f3168414b165f83499758dc669753cdf5be5;p=dbsrgits%2FDBIx-Class.git diff --git a/t/prefetch/via_search_related.t b/t/prefetch/via_search_related.t index 041c341..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 => { @@ -37,6 +41,33 @@ lives_ok ( sub { }, 'search_related prefetch with order_by works'); +lives_ok ( sub { + my $no_prefetch = $schema->resultset('Track')->search_related(cd => + { + 'cd.year' => "2000", + 'tagid' => 1, + }, + { + join => 'tags', + rows => 1, + } + ); + + my $use_prefetch = $no_prefetch->search( + undef, + { + prefetch => 'tags', + } + ); + + is( + scalar ($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}) @@ -57,36 +88,62 @@ lives_ok (sub { # test where conditions at the root of the related chain - my $artist_rs = $schema->resultset("Artist")->search({artistid => 11}); - + my $artist_rs = $schema->resultset("Artist")->search({artistid => 2}); + my $artist = $artist_rs->next; + $artist->create_related ('cds', $_) for ( + { + year => 1999, title => 'vague cd', genre => { name => 'vague genre' } + }, + { + year => 1999, title => 'vague cd2', genre => { name => 'vague genre' } + }, + ); $rs = $artist_rs->search_related('cds')->search_related('genre', - { 'genre.name' => 'foo' }, + { 'genre.name' => 'vague genre' }, { prefetch => 'cds' }, ); - is($rs->all, 0, 'prefetch without distinct (objects)'); - is($rs->count, 0, 'prefetch without distinct (count)'); + is($rs->all, 1, 'base without distinct (objects)'); + is($rs->count, 1, 'base without distinct (count)'); + # artist -> 2 cds -> 2 genres -> 2 cds for each genre = 4 + is($rs->search_related('cds')->all, 4, 'prefetch without distinct (objects)'); + is($rs->search_related('cds')->count, 4, 'prefetch without distinct (count)'); - - $rs = $artist_rs->search(undef, {distinct => 1}) - ->search_related('cds')->search_related('genre', - { 'genre.name' => 'foo' }, + $rs = $artist_rs->search_related('cds', {}, { distinct => 1})->search_related('genre', + { 'genre.name' => 'vague genre' }, ); - is($rs->all, 0, 'distinct without prefetch (objects)'); - is($rs->count, 0, 'distinct without prefetch (count)'); + is($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', - { 'genre.name' => 'foo' }, - { prefetch => 'cds' }, + $rs = $artist_rs->search_related('cds')->search_related('genre', + { 'genre.name' => 'vague genre' }, + { prefetch => 'cds', distinct => 1 }, ); - is($rs->all, 0, 'distinct with prefetch (objects)'); - is($rs->count, 0, 'distinct with prefetch (count)'); + is($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');