X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=t%2Frun%2F16joins.tl;h=a3c93834bf5c9f3cd03e22354e98614850933112;hb=d20bb28ea937ea4f890aa463452414a764bc24ef;hp=0f59ab74da891d2742fe9080632f87368be9dadf;hpb=b3e8ac9b6c2b4b611b3f34f4024f64f352d8e9fa;p=dbsrgits%2FDBIx-Class.git diff --git a/t/run/16joins.tl b/t/run/16joins.tl index 0f59ab7..a3c9383 100644 --- a/t/run/16joins.tl +++ b/t/run/16joins.tl @@ -7,7 +7,7 @@ BEGIN { eval "use DBD::SQLite"; plan $@ ? ( skip_all => 'needs DBD::SQLite for testing' ) - : ( tests => 27 ); + : ( tests => 41 ); } # test the abstract join => SQL generator @@ -132,6 +132,15 @@ $trace->close; unlink 't/var/dbic.trace'; is($selects, 1, 'prefetch ran only 1 select statement'); +# test for partial prefetch via cols attr +my $cd = $schema->resultset('CD')->find(1, + { + cols => [qw/title artist.name/], + join => 'artist' + } +); +ok(eval { $cd->artist->name eq 'Caterwauler McCrae' }, 'single related column prefetched'); + # start test for nested prefetch SELECT count unlink 't/var/dbic.trace' if -e 't/var/dbic.trace'; DBI->trace(1, 't/var/dbic.trace'); @@ -151,8 +160,8 @@ is( $tag->cd->artist->name, 'Caterwauler McCrae', 'step 2 ok for nested prefetch # count the SELECTs DBI->trace(0, undef); -my $selects = 0; -my $trace = IO::File->new('t/var/dbic.trace', '<') +$selects = 0; +$trace = IO::File->new('t/var/dbic.trace', '<') or die "Unable to read trace file"; while (<$trace>) { $selects++ if /SELECT(?!.*WHERE 1=0.*)/; @@ -161,6 +170,26 @@ $trace->close; unlink 't/var/dbic.trace'; is($selects, 1, 'nested prefetch ran exactly 1 select statement (excluding column_info)'); +# start test for prefetch on find SELECT count +unlink 't/var/dbic.trace' if -e 't/var/dbic.trace'; +DBI->trace(1, 't/var/dbic.trace'); + +$cd = $schema->resultset('CD')->find(1, { prefetch => 'artist' }); + +is($cd->{_inflated_column}{artist}->name, 'Caterwauler McCrae', 'artist prefetched correctly on find'); + +# count the SELECTs +DBI->trace(0, undef); +$selects = 0; +$trace = IO::File->new('t/var/dbic.trace', '<') + or die "Unable to read trace file"; +while (<$trace>) { + $selects++ if /SELECT(?!.*WHERE 1=0.*)/; +} +$trace->close; +unlink 't/var/dbic.trace'; +is($selects, 1, 'find with prefetch ran exactly 1 select statement (excluding column_info)'); + $rs = $schema->resultset('Tag')->search( {}, { @@ -188,6 +217,53 @@ my @artists = $schema->resultset("Artist")->search({ 'tags.tag' => 'Shiny' }, cmp_ok( @artists, '==', 2, "two-join search ok" ); -} +$rs = $schema->resultset("CD")->search( + {}, + { group_by => [qw/ title me.cdid /] } +); + +cmp_ok( $rs->count, '==', 5, "count() ok after group_by on main pk" ); + +cmp_ok( scalar $rs->all, '==', 5, "all() returns same count as count() after group_by on main pk" ); + +$rs = $schema->resultset("CD")->search( + {}, + { join => [qw/ artist /], group_by => [qw/ artist.name /] } +); + +cmp_ok( $rs->count, '==', 3, "count() ok after group_by on related column" ); + +cmp_ok( scalar $rs->all, '==', 3, "all() returns same count as count() after group_by on related column" ); + +$rs = $schema->resultset("Artist")->search( + { 'cds.title' => 'Spoonful of bees', + 'cds_2.title' => 'Forkful of bees' }, + { join => [ 'cds', 'cds' ] }); + +cmp_ok($rs->count, '==', 1, "single artist returned from multi-join"); +is($rs->next->name, 'Caterwauler McCrae', "Correct artist returned"); + +my $queries; +$schema->storage->debugcb(sub { $queries++ }); +$schema->storage->debug(1); + +my $tree_like = + $schema->resultset('TreeLike')->find(4, + { join => { parent => { parent => 'parent' } }, + prefetch => { parent => { parent => 'parent' } } }); + +is($tree_like->name, 'quux', 'Bottom of tree ok'); +$tree_like = $tree_like->parent; +is($tree_like->name, 'baz', 'First level up ok'); +$tree_like = $tree_like->parent; +is($tree_like->name, 'bar', 'Second level up ok'); +$tree_like = $tree_like->parent; +is($tree_like->name, 'foo', 'Third level up ok'); + +$schema->storage->debug(0); + +cmp_ok($queries, '==', 1, 'Only one query run'); + +} # end run_tests 1;