eval "use DBD::SQLite";
plan $@
? ( skip_all => 'needs DBD::SQLite for testing' )
- : ( tests => 50 );
+ : ( 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 = $schema->resultset("Artist")->search(
{ 'liner_notes.notes' => 'Kill Yourself!' },
{ join => { 'cds' => 'liner_notes' } });
cmp_ok($rs + 0, '==', 3, 'Correct number of records returned');
my $queries = 0;
-$schema->storage->debugcb(sub { $queries++ });
+$schema->storage->debugcb(sub { $queries++; });
$schema->storage->debug(1);
my @cd = $rs->all;
$queries = 0;
+is($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($queries, 1, 'find with prefetch ran exactly 1 select statement (excluding column_info)');
+$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);
$schema->storage->debugobj->callback(undef);
is($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);
$schema->storage->debug($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
{},
{
join => [ { cds => ['tracks'] } ],
- prefetch => [ { cds => ['tracks'] } ]
+ prefetch => [ { cds => ['tracks'] } ],
+ cache => 1 # last test needs this
}
);
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($art_rs_pr->search_related('cds')->search_related('tracks')->first->title,
+ 'Fowlin',
+ 'chained has_many->has_many search_related ok'
+ );
+
+is($queries, 0, 'chained search_related after has_many->has_many prefetch ran no queries');