sub run_tests { my $schema = shift; use IO::File; BEGIN { eval "use DBD::SQLite"; plan $@ ? ( skip_all => 'needs DBD::SQLite for testing' ) : ( tests => 44 ); } # figure out if we've got a version of sqlite that is older than 3.2.6, in # which case COUNT(DISTINCT()) doesn't work my $is_broken_sqlite = 0; my ($sqlite_major_ver,$sqlite_minor_ver,$sqlite_patch_ver) = split /\./, $schema->storage->dbh->get_info(18); if( $schema->storage->dbh->get_info(17) eq 'SQLite' && ( ($sqlite_major_ver < 3) || ($sqlite_major_ver == 3 && $sqlite_minor_ver < 2) || ($sqlite_major_ver == 3 && $sqlite_minor_ver == 2 && $sqlite_patch_ver < 6) ) ) { $is_broken_sqlite = 1; } # test the abstract join => SQL generator my $sa = new DBIC::SQL::Abstract; my @j = ( { child => 'person' }, [ { father => 'person' }, { 'father.person_id' => 'child.father_id' }, ], [ { mother => 'person' }, { 'mother.person_id' => 'child.mother_id' } ], ); my $match = 'person child JOIN person father ON ( father.person_id = ' . 'child.father_id ) JOIN person mother ON ( mother.person_id ' . '= child.mother_id )' ; is( $sa->_recurse_from(@j), $match, 'join 1 ok' ); my @j2 = ( { mother => 'person' }, [ [ { child => 'person' }, [ { father => 'person' }, { 'father.person_id' => 'child.father_id' } ] ], { 'mother.person_id' => 'child.mother_id' } ], ); $match = 'person mother JOIN (person child JOIN person father ON (' . ' father.person_id = child.father_id )) ON ( mother.person_id = ' . 'child.mother_id )' ; is( $sa->_recurse_from(@j2), $match, 'join 2 ok' ); my @j3 = ( { child => 'person' }, [ { father => 'person', -join_type => 'inner' }, { 'father.person_id' => 'child.father_id' }, ], [ { mother => 'person', -join_type => 'inner' }, { 'mother.person_id' => 'child.mother_id' } ], ); $match = 'person child INNER JOIN person father ON ( father.person_id = ' . 'child.father_id ) INNER JOIN person mother ON ( mother.person_id ' . '= child.mother_id )' ; is( $sa->_recurse_from(@j3), $match, 'join 3 (inner join) ok'); my $rs = $schema->resultset("CD")->search( { 'year' => 2001, 'artist.name' => 'Caterwauler McCrae' }, { from => [ { 'me' => 'cd' }, [ { artist => 'artist' }, { 'me.artist' => 'artist.artistid' } ] ] } ); cmp_ok( $rs + 0, '==', 1, "Single record in resultset"); is($rs->first->title, 'Forkful of bees', 'Correct record returned'); $rs = $schema->resultset("CD")->search( { 'year' => 2001, 'artist.name' => 'Caterwauler McCrae' }, { join => 'artist' }); cmp_ok( $rs + 0, '==', 1, "Single record in resultset"); is($rs->first->title, 'Forkful of bees', 'Correct record returned'); $rs = $schema->resultset("CD")->search( { 'artist.name' => 'We Are Goth', 'liner_notes.notes' => 'Kill Yourself!' }, { join => [ qw/artist liner_notes/ ] }); cmp_ok( $rs + 0, '==', 1, "Single record in resultset"); is($rs->first->title, 'Come Be Depressed With Us', 'Correct record returned'); # when using join attribute, make sure slice()ing all objects has same count as all() $rs = $schema->resultset("CD")->search( { 'artist' => 1 }, { join => [qw/artist/], order_by => 'artist.name' } ); cmp_ok( scalar $rs->all, '==', scalar $rs->slice(0, $rs->count - 1), 'slice() with join has same count as all()' ); eval { $rs->search(undef, { rows => 0, offset => 3 })->all; }; ok($@, "rows => 0 errors: $@"); $rs = $schema->resultset("Artist")->search( { 'liner_notes.notes' => 'Kill Yourself!' }, { join => { 'cds' => 'liner_notes' } }); cmp_ok( $rs->count, '==', 1, "Single record in resultset"); is($rs->first->name, 'We Are Goth', 'Correct record returned'); $rs = $schema->resultset("CD")->search( { 'artist.name' => 'Caterwauler McCrae' }, { prefetch => [ qw/artist liner_notes/ ], order_by => 'me.cdid' }); cmp_ok($rs + 0, '==', 3, 'Correct number of records returned'); my $queries = 0; $schema->storage->debugcb(sub { $queries++ }); $queries = 0; $schema->storage->debug(1); my @cd = $rs->all; is($cd[0]->title, 'Spoonful of bees', 'First record returned ok'); ok(!defined $cd[0]->liner_notes, 'No prefetch for NULL LEFT join'); is($cd[1]->{_relationship_data}{liner_notes}->notes, 'Buy Whiskey!', 'Prefetch for present LEFT JOIN'); is(ref $cd[1]->liner_notes, 'DBICTest::LinerNotes', 'Prefetch returns correct class'); is($cd[2]->{_inflated_column}{artist}->name, 'Caterwauler McCrae', 'Prefetch on parent object ok'); is($queries, 1, 'prefetch ran only 1 select statement'); $schema->storage->debug(0); # test for partial prefetch via columns attr my $cd = $schema->resultset('CD')->find(1, { columns => [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 $queries = 0; $schema->storage->debug(1); $rs = $schema->resultset('Tag')->search( {}, { prefetch => { cd => 'artist' } } ); my $tag = $rs->first; is( $tag->cd->title, 'Spoonful of bees', 'step 1 ok for nested prefetch' ); is( $tag->cd->artist->name, 'Caterwauler McCrae', 'step 2 ok for nested prefetch'); # count the SELECTs #$selects++ if /SELECT(?!.*WHERE 1=0.*)/; is($queries, 1, 'nested prefetch ran exactly 1 select statement (excluding column_info)'); $queries = 0; $cd = $schema->resultset('CD')->find(1, { prefetch => 'artist' }); is($cd->{_inflated_column}{artist}->name, 'Caterwauler McCrae', 'artist prefetched correctly on find'); is($queries, 1, 'find with prefetch ran exactly 1 select statement (excluding column_info)'); $schema->storage->debug(0); $rs = $schema->resultset('Tag')->search( {}, { join => { cd => 'artist' }, prefetch => { cd => 'artist' } } ); cmp_ok( $rs->count, '>=', 0, 'nested prefetch does not duplicate joins' ); my ($artist) = $schema->resultset("Artist")->search({ 'cds.year' => 2001 }, { order_by => 'artistid DESC', join => 'cds' }); is($artist->name, 'Random Boy Band', "Join search by object ok"); my @cds = $schema->resultset("CD")->search({ 'liner_notes.notes' => 'Buy Merch!' }, { join => 'liner_notes' }); cmp_ok(scalar @cds, '==', 1, "Single CD retrieved via might_have"); is($cds[0]->title, "Generic Manufactured Singles", "Correct CD retrieved"); my @artists = $schema->resultset("Artist")->search({ 'tags.tag' => 'Shiny' }, { join => { 'cds' => 'tags' } }); cmp_ok( @artists, '==', 2, "two-join search ok" ); $rs = $schema->resultset("CD")->search( {}, { group_by => [qw/ title me.cdid /] } ); SKIP: { skip "SQLite < 3.2.6 doesn't understand COUNT(DISTINCT())", 1 if $is_broken_sqlite; 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 /] } ); SKIP: { skip "SQLite < 3.2.6 doesn't understand COUNT(DISTINCT())", 1 if $is_broken_sqlite; cmp_ok( $rs->count, '==', 3, "count() ok after group_by on related column" ); } $rs = $schema->resultset("Artist")->search( {}, { join => [qw/ cds /], group_by => [qw/ me.name /], having =>{ 'MAX(cds.cdid)'=> \'< 5' } } ); cmp_ok( $rs->all, '==', 2, "results ok after group_by on related column with a having" ); $rs = $rs->search( undef, { having =>{ 'count(*)'=> \'> 2' }}); cmp_ok( $rs->all, '==', 1, "count() ok after group_by on related column with a having" ); $rs = $schema->resultset("Artist")->search( { 'cds.title' => 'Spoonful of bees', 'cds_2.title' => 'Forkful of bees' }, { join => [ 'cds', 'cds' ] }); SKIP: { skip "SQLite < 3.2.6 doesn't understand COUNT(DISTINCT())", 1 if $is_broken_sqlite; cmp_ok($rs->count, '==', 1, "single artist returned from multi-join"); } is($rs->next->name, 'Caterwauler McCrae', "Correct artist returned"); $queries = 0; $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'); # has_many resulting in an additional select if no records available despite prefetch my $track = $schema->resultset("Artist")->create( { artistid => 4, name => 'Artist without CDs', } ); $queries = 0; $schema->storage->debug(1); my $artist_without_cds = $schema->resultset("Artist")->find(4, { join => [qw/ cds /], prefetch => [qw/ cds /], }); my @no_cds = $artist_without_cds->cds; is($queries, 1, 'prefetch ran only 1 sql statement'); $schema->storage->debug(0); } # end run_tests 1;