X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=t%2F76joins.t;h=dba7c00aa993d64500a19fc665f6e306d8844140;hb=2bf79155a8be1532cce2538e967f32c4ff22a87b;hp=76e74fae872700bd59a9f113e91fcf3a7cb9bffd;hpb=b0596c69b942ab6f63c4f5a767161c1b4f79865b;p=dbsrgits%2FDBIx-Class.git diff --git a/t/76joins.t b/t/76joins.t index 76e74fa..dba7c00 100644 --- a/t/76joins.t +++ b/t/76joins.t @@ -4,6 +4,7 @@ use warnings; use Test::More; use lib qw(t/lib); use DBICTest; +use Data::Dumper; my $schema = DBICTest->init_schema(); @@ -15,7 +16,7 @@ BEGIN { eval "use DBD::SQLite"; plan $@ ? ( skip_all => 'needs DBD::SQLite for testing' ) - : ( tests => 47 ); + : ( tests => 16 ); } # figure out if we've got a version of sqlite that is older than 3.2.6, in @@ -88,6 +89,26 @@ $match = 'person mother LEFT JOIN (person child RIGHT JOIN person father ON (' ; is( $sa->_recurse_from(@j4), $match, 'join 4 (nested joins + join types) ok'); +my @j5 = ( + { child => 'person' }, + [ { father => 'person' }, { 'father.person_id' => \'!= child.father_id' }, ], + [ { mother => 'person' }, { 'mother.person_id' => 'child.mother_id' } ], +); +$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(@j5), $match, 'join 5 (SCALAR reference for ON statement) ok' ); + +my @j6 = ( + { child => 'person' }, + [ { father => 'person' }, { 'father.person_id' => { '!=', '42' } }, ], + [ { mother => 'person' }, { 'mother.person_id' => 'child.mother_id' } ], +); +$match = qr/^HASH reference arguments are not supported in JOINS - try using "\.\.\." instead/; +eval { $sa->_recurse_from(@j6) }; +like( $@, $match, 'join 6 (HASH reference for ON statement dies) ok' ); + my $rs = $schema->resultset("CD")->search( { 'year' => 2001, 'artist.name' => 'Caterwauler McCrae' }, { from => [ { 'me' => 'cd' }, @@ -125,6 +146,9 @@ $rs = $schema->resultset("CD")->search( ); cmp_ok( scalar $rs->all, '==', scalar $rs->slice(0, $rs->count - 1), 'slice() with join has same count as all()' ); +ok(!$rs->slice($rs->count+1000, $rs->count+1002)->count, + 'Slicing beyond end of rs returns a zero count'); + $rs = $schema->resultset("Artist")->search( { 'liner_notes.notes' => 'Kill Yourself!' }, { join => { 'cds' => 'liner_notes' } }); @@ -133,202 +157,3 @@ 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 { $queries++ }); -$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($orig_debug); -$schema->storage->debugobj->callback(undef); - -# 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->debugcb(sub { $queries++ }); -$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($orig_debug); -$schema->storage->debugobj->callback(undef); - -$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->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'); - -$schema->storage->debug($orig_debug); -$schema->storage->debugobj->callback(undef); - -cmp_ok($queries, '==', 1, 'Only one query run'); - -$tree_like = $schema->resultset('TreeLike')->search({'me.id' => 1}); -$tree_like = $tree_like->search_related('children')->search_related('children')->search_related('children')->first; -is($tree_like->name, 'quux', 'Tree search_related ok'); - -$tree_like = $schema->resultset('TreeLike')->search({ 'children.id' => 2 }); -$tree_like = $tree_like->search_related('children', undef, { prefetch => { children => 'children' } })->first; -is($tree_like->children->first->children->first->name, 'quux', 'Tree search_related with prefetch ok'); - -$tree_like = $schema->resultset('TreeLike')->search( - { 'children.id' => 2, 'children_2.id' => 5 }, - { join => [qw/children children/] } - )->search_related('children', { 'children_3.id' => 6 }, { prefetch => 'children' } - )->first->children->first; -is($tree_like->name, 'fong', 'Tree with multiple has_many joins ok'); - -# test that collapsed joins don't get a _2 appended to the alias - -my $sql = ''; -$schema->storage->debugcb(sub { $sql = $_[1] }); -$schema->storage->debug(1); - -eval { - my $row = $schema->resultset('Artist')->search_related('cds', undef, { - join => 'tracks', - prefetch => 'tracks', - })->search_related('tracks')->first; -}; - -like( $sql, qr/^SELECT tracks\.trackid/, "collapsed join didn't add _2 to alias" ); - -$schema->storage->debug($orig_debug); -$schema->storage->debugobj->callback(undef);