X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=t%2F76joins.t;h=dba7c00aa993d64500a19fc665f6e306d8844140;hb=2bf79155a8be1532cce2538e967f32c4ff22a87b;hp=b172d2986e79753398b33f55d97fc75e0722065e;hpb=ca83d811f3ce60ebb819ce9ad54179837f6157c6;p=dbsrgits%2FDBIx-Class.git diff --git a/t/76joins.t b/t/76joins.t index b172d29..dba7c00 100644 --- a/t/76joins.t +++ b/t/76joins.t @@ -16,7 +16,7 @@ BEGIN { eval "use DBD::SQLite"; plan $@ ? ( skip_all => 'needs DBD::SQLite for testing' ) - : ( tests => 53 ); + : ( tests => 16 ); } # figure out if we've got a version of sqlite that is older than 3.2.6, in @@ -146,6 +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' } }); @@ -154,263 +157,3 @@ cmp_ok( $rs->count, '==', 1, "Single record in resultset"); is($rs->first->name, 'We Are Goth', 'Correct record returned'); -# bug in 0.07000 caused attr (join/prefetch) to be modifed by search -# so we check the search & attr arrays are not modified -my $search = { 'artist.name' => 'Caterwauler McCrae' }; -my $attr = { prefetch => [ qw/artist liner_notes/ ], - order_by => 'me.cdid' }; -my $search_str = Dumper($search); -my $attr_str = Dumper($attr); - -$rs = $schema->resultset("CD")->search($search, $attr); - -is(Dumper($search), $search_str, 'Search hash untouched after search()'); -is(Dumper($attr), $attr_str, 'Attribute hash untouched after search()'); -cmp_ok($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_related('children', - { 'children.id' => 2, 'children_2.id' => 3 }, - { prefetch => { children => 'children' } } - )->first; -is(eval { $tree_like->children->first->children->first->name }, 'quux', - 'Tree search_related with prefetch ok'); - -$tree_like = eval { $schema->resultset('TreeLike')->search( - { 'children.id' => 2, 'children_2.id' => 5 }, - { join => [qw/children children/] } - )->search_related('children', { 'children_4.id' => 6 }, { prefetch => 'children' } - )->first->children->first; }; -is(eval { $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( $sql, qr/^SELECT tracks_2\.trackid/, "join not collapsed for search_related" ); - -$schema->storage->debug($orig_debug); -$schema->storage->debugobj->callback(undef); - -$rs = $schema->resultset('Artist'); -$rs->create({ artistid => 4, name => 'Unknown singer-songwriter' }); -$rs->create({ artistid => 5, name => 'Emo 4ever' }); -@artists = $rs->search(undef, { prefetch => 'cds', order_by => 'artistid' }); -is(scalar @artists, 5, 'has_many prefetch with adjacent empty rows ok'); - -# ------------- -# -# Tests for multilevel has_many prefetch - -# artist resultsets - with and without prefetch -my $art_rs = $schema->resultset('Artist'); -my $art_rs_pr = $art_rs->search( - {}, - { - join => [ { cds => ['tracks'] } ], - prefetch => [ { cds => ['tracks'] } ] - } -); - -# This test does the same operation twice - once on a -# set of items fetched from the db with no prefetch of has_many rels -# The second prefetches 2 levels of has_many -# We check things are the same by comparing the name or title -# we build everything into a hash structure and compare the one -# from each rs to see what differs - -sub make_hash_struc { - my $rs = shift; - - my $struc = {}; - foreach my $art ( $rs->all ) { - foreach my $cd ( $art->cds ) { - foreach my $track ( $cd->tracks ) { - $struc->{ $art->name }{ $cd->title }{ $track->title }++; - } - } - } - return $struc; -} - -my $prefetch_result = make_hash_struc($art_rs_pr); -my $nonpre_result = make_hash_struc($art_rs); - -TODO: { - local $TODO = 'fixing collapse in -current'; -is_deeply( $prefetch_result, $nonpre_result, - 'Compare 2 level prefetch result to non-prefetch result' ); -} -