use Test::More;
use lib qw(t/lib);
use DBICTest;
+use Data::Dumper;
my $schema = DBICTest->init_schema();
+my $orig_debug = $schema->storage->debug;
+
use IO::File;
BEGIN {
eval "use DBD::SQLite";
plan $@
? ( skip_all => 'needs DBD::SQLite for testing' )
- : ( tests => 44 );
+ : ( tests => 64 );
}
# figure out if we've got a version of sqlite that is older than 3.2.6, in
;
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' },
);
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 = $schema->resultset("Artist")->search(
{ 'liner_notes.notes' => 'Kill Yourself!' },
{ join => { 'cds' => 'liner_notes' } });
is($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' });
+# 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 { $queries++ });
-
-$queries = 0;
+$schema->storage->debugcb(sub { $queries++; });
$schema->storage->debug(1);
my @cd = $rs->all;
is($queries, 1, 'prefetch ran only 1 select statement');
-$schema->storage->debug(0);
+$schema->storage->debug($orig_debug);
+$schema->storage->debugobj->callback(undef);
# test for partial prefetch via columns attr
my $cd = $schema->resultset('CD')->find(1,
# start test for nested prefetch SELECT count
$queries = 0;
+$schema->storage->debugcb(sub { $queries++ });
$schema->storage->debug(1);
$rs = $schema->resultset('Tag')->search(
$queries = 0;
+is($tag->search_related('cd')->search_related('artist')->first->name,
+ 'Caterwauler McCrae',
+ 'chained belongs_to->belongs_to search_related ok');
+
+is($queries, 0, 'chained search_related after belontgs_to->belongs_to prefetch ran no queries');
+
+$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);
+$queries = 0;
+
+$schema->storage->debugcb(sub { $queries++; });
+
+$cd = $schema->resultset('CD')->find(1, { prefetch => { cd_to_producer => 'producer' } });
+
+is($cd->producers->first->name, 'Matt S Trout', 'many_to_many accessor ok');
+
+is($queries, 1, 'many_to_many accessor with nested prefetch ran exactly 1 query');
+
+$queries = 0;
+
+my $producers = $cd->search_related('cd_to_producer')->search_related('producer');
+
+is($producers->first->name, 'Matt S Trout', 'chained many_to_many search_related ok');
+
+is($queries, 0, 'chained search_related after many_to_many prefetch ran no queries');
+
+$schema->storage->debug($orig_debug);
+$schema->storage->debugobj->callback(undef);
$rs = $schema->resultset('Tag')->search(
{},
is($rs->next->name, 'Caterwauler McCrae', "Correct artist returned");
+$cd = $schema->resultset('Artist')->first->create_related('cds',
+ {
+ title => 'Unproduced Single',
+ year => 2007
+});
+
+my $left_join = $schema->resultset('CD')->search(
+ { 'me.cdid' => $cd->cdid },
+ { prefetch => { cd_to_producer => 'producer' } }
+);
+
+cmp_ok($left_join, '==', 1, 'prefetch with no join record present');
+
$queries = 0;
+$schema->storage->debugcb(sub { $queries++ });
$schema->storage->debug(1);
my $tree_like =
$tree_like = $tree_like->parent;
is($tree_like->name, 'foo', 'Third level up ok');
-$schema->storage->debug(0);
+$schema->storage->debug($orig_debug);
+$schema->storage->debugobj->callback(undef);
cmp_ok($queries, '==', 1, 'Only one query run');
-$tree_like = $schema->resultset('TreeLike')->find(1);
+$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 = '';
})->search_related('tracks')->first;
};
-like( $sql, qr/^SELECT tracks.trackid/, "collapsed join didn't add _2 to alias" );
+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'] } ],
+ cache => 1 # last test needs this
+ }
+);
+
+# 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 $struc;
+}
+
+$queries = 0;
+$schema->storage->debugcb(sub { $queries++ });
+$schema->storage->debug(1);
+
+my $prefetch_result = make_hash_struc($art_rs_pr);
+
+is($queries, 1, 'nested prefetch across has_many->has_many ran exactly 1 query');
+
+my $nonpre_result = make_hash_struc($art_rs);
+
+is_deeply( $prefetch_result, $nonpre_result,
+ 'Compare 2 level prefetch result to non-prefetch result' );
+
+$queries = 0;
+
+is($art_rs_pr->search_related('cds')->search_related('tracks')->first->title,
+ 'Fowlin',
+ 'chained has_many->has_many search_related ok'
+ );
-$schema->storage->debug(0);
+is($queries, 0, 'chained search_related after has_many->has_many prefetch ran no queries');
projects / dbsrgits/DBIx-Class.git / blobdiff