8 use DBIC::SqlMakerTest;
10 my $schema = DBICTest->init_schema();
12 my $cdrs = $schema->resultset('CD')->search({ 'me.artist' => { '!=', 2 }});
16 siblings => $cdrs->search ({ artist => $_->get_column('artist') })->count - 1,
17 track_titles => [ map { $_->title } ($_->tracks->all) ],
21 my $c_rs = $cdrs->search ({}, {
23 '+columns' => { sibling_count => $cdrs->search(
25 'siblings.artist' => { -ident => 'me.artist' },
26 'siblings.cdid' => { '!=' => ['-and', { -ident => 'me.cdid' }, 23414] },
27 }, { alias => 'siblings' },
28 )->count_rs->as_query,
35 SELECT me.cdid, me.artist, me.title, me.year, me.genreid, me.single_track,
39 AND siblings.artist = me.artist
40 AND siblings.cdid != me.cdid
41 AND siblings.cdid != ?
43 tracks.trackid, tracks.cd, tracks.position, tracks.title, tracks.last_updated_on, tracks.last_updated_at
45 LEFT JOIN track tracks
46 ON tracks.cd = me.cdid
52 [ { sqlt_datatype => 'integer', dbic_colname => 'me.artist' }
55 [ { sqlt_datatype => 'integer', dbic_colname => 'siblings.cdid' }
59 [ { sqlt_datatype => 'integer', dbic_colname => 'me.artist' }
62 'Expected SQL on correlated realiased subquery'
65 $schema->is_executed_querycount( sub {
69 track_titles => [ map { $_->title } ($_->tracks->all) ],
70 siblings => $_->get_column ('sibling_count'),
75 'Proper information retrieved from correlated subquery'
77 }, 1, 'Only 1 query fired to retrieve everything');
79 # now add an unbalanced select/as pair
80 $c_rs = $c_rs->search ({}, {
81 '+select' => $cdrs->search(
82 { 'siblings.artist' => { -ident => 'me.artist' } },
83 { alias => 'siblings', columns => [
84 { first_year => { min => 'year' }},
85 { last_year => { max => 'year' }},
88 '+as' => [qw/active_from active_to/],
94 SELECT me.cdid, me.artist, me.title, me.year, me.genreid, me.single_track,
98 AND siblings.artist = me.artist
99 AND siblings.cdid != me.cdid
100 AND siblings.cdid != ?
102 (SELECT MIN( year ), MAX( year )
105 AND siblings.artist = me.artist
107 tracks.trackid, tracks.cd, tracks.position, tracks.title, tracks.last_updated_on, tracks.last_updated_at
109 LEFT JOIN track tracks
110 ON tracks.cd = me.cdid
116 [ { sqlt_datatype => 'integer', dbic_colname => 'me.artist' }
119 [ { sqlt_datatype => 'integer', dbic_colname => 'siblings.cdid' }
123 [ { sqlt_datatype => 'integer', dbic_colname => 'me.artist' }
127 [ { sqlt_datatype => 'integer', dbic_colname => 'me.artist' }
130 'Expected SQL on correlated realiased subquery'
133 # test for subselect identifier leakage
134 # NOTE - the hodge-podge mix of literal and regular identifuers is *deliberate*
135 for my $quote_names (0,1) {
136 my $schema = DBICTest->init_schema( quote_names => $quote_names );
138 my ($ql, $qr) = $schema->storage->sql_maker->_quote_chars;
140 my $art_rs = $schema->resultset('Artist')->search ({}, {
141 order_by => 'me.artistid',
146 my $inner_lim_bindtype = { sqlt_datatype => 'integer' };
148 for my $inner_relchain (qw( cds_unordered cds ) ) {
150 my $stupid_latest_competition_release_query = $schema->resultset('Artist')->search(
151 { 'competition.artistid' => { '!=', { -ident => 'me.artistid' } } },
152 { alias => 'competition' },
153 )->search_related( $inner_relchain, {}, {
154 rows => 1, order_by => 'year', columns => { year => \'year' }, distinct => 1
155 })->get_column(\'year')->max_rs;
157 my $final_query = $art_rs->search( {}, {
158 '+columns' => { max_competition_release => \[
159 @${ $stupid_latest_competition_release_query->as_query }
163 # we are using cds_unordered explicitly above - do the sorting manually
164 my @results = sort { $a->{artistid} <=> $b->{artistid} } @{$final_query->all_hri};
165 @$_ = sort { $a->{cdid} <=> $b->{cdid} } @$_ for map { $_->{cds} } @results;
170 { artistid => 1, charfield => undef, max_competition_release => 1998, name => "Caterwauler McCrae", rank => 13, cds => [
171 { artist => 1, cdid => 1, genreid => 1, single_track => undef, title => "Spoonful of bees", year => 1999 },
172 { artist => 1, cdid => 2, genreid => undef, single_track => undef, title => "Forkful of bees", year => 2001 },
173 { artist => 1, cdid => 3, genreid => undef, single_track => undef, title => "Caterwaulin' Blues", year => 1997 },
175 { artistid => 2, charfield => undef, max_competition_release => 1997, name => "Random Boy Band", rank => 13, cds => [
176 { artist => 2, cdid => 4, genreid => undef, single_track => undef, title => "Generic Manufactured Singles", year => 2001 },
179 "Expected result from weird query",
182 # the decomposition to sql/bind is *deliberate* in both instances
183 # we want to ensure this keeps working for lietral sql, even when
184 # as_query switches to return an overloaded dq node
185 my ($sql, @bind) = @${ $final_query->as_query };
187 my $correlated_sql = qq{ (
191 FROM ${ql}artist${qr} ${ql}competition${qr}
192 JOIN cd ${ql}${inner_relchain}${qr}
193 ON ${ql}${inner_relchain}${qr}.${ql}artist${qr} = ${ql}competition${qr}.${ql}artistid${qr}
194 WHERE ${ql}competition${qr}.${ql}artistid${qr} != ${ql}me${qr}.${ql}artistid${qr}
196 ORDER BY MIN( ${ql}year${qr} )
198 ) ${ql}${inner_relchain}${qr}
205 SELECT ${ql}me${qr}.${ql}artistid${qr}, ${ql}me${qr}.${ql}name${qr}, ${ql}me${qr}.${ql}rank${qr}, ${ql}me${qr}.${ql}charfield${qr},
207 ${ql}cds${qr}.${ql}cdid${qr}, ${ql}cds${qr}.${ql}artist${qr}, ${ql}cds${qr}.${ql}title${qr}, ${ql}cds${qr}.${ql}year${qr}, ${ql}cds${qr}.${ql}genreid${qr}, ${ql}cds${qr}.${ql}single_track${qr}
209 SELECT ${ql}me${qr}.${ql}artistid${qr}, ${ql}me${qr}.${ql}name${qr}, ${ql}me${qr}.${ql}rank${qr}, ${ql}me${qr}.${ql}charfield${qr},
211 FROM ${ql}artist${qr} ${ql}me${qr}
212 ORDER BY ${ql}me${qr}.${ql}artistid${qr}
215 LEFT JOIN cd ${ql}cds${qr}
216 ON ${ql}cds${qr}.${ql}artist${qr} = ${ql}me${qr}.${ql}artistid${qr}
217 ORDER BY ${ql}me${qr}.${ql}artistid${qr}
220 [ $inner_lim_bindtype
222 [ $inner_lim_bindtype
224 [ { sqlt_datatype => 'integer' }
227 "No leakage of correlated subquery identifiers (quote_names => $quote_names, inner alias '$inner_relchain')"