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4c2b30d6 |
1 | use strict; |
2 | use warnings; |
3 | |
4 | use Test::More; |
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5 | use lib qw(t/lib); |
6 | use DBICTest; |
7 | use DBIC::SqlMakerTest; |
8 | |
9 | my $schema = DBICTest->init_schema(); |
10 | my $orig_debug = $schema->storage->debug; |
11 | |
12 | my $cdrs = $schema->resultset('CD')->search({ 'me.artist' => { '!=', 2 }}); |
13 | |
14 | my $cd_data = { map { |
15 | $_->cdid => { |
16 | siblings => $cdrs->search ({ artist => $_->get_column('artist') })->count - 1, |
17 | track_titles => [ map { $_->title } ($_->tracks->all) ], |
18 | }, |
19 | } ( $cdrs->all ) }; |
20 | |
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21 | my $c_rs = $cdrs->search ({}, { |
22 | prefetch => 'tracks', |
23 | '+columns' => { sibling_count => $cdrs->search( |
24 | { |
25 | 'siblings.artist' => { -ident => 'me.artist' }, |
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26 | 'siblings.cdid' => { '!=' => ['-and', { -ident => 'me.cdid' }, 23414] }, |
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27 | }, { alias => 'siblings' }, |
28 | )->count_rs->as_query, |
29 | }, |
30 | }); |
31 | |
32 | is_same_sql_bind( |
33 | $c_rs->as_query, |
34 | '( |
35 | SELECT me.cdid, me.artist, me.title, me.year, me.genreid, me.single_track, |
36 | (SELECT COUNT( * ) |
37 | FROM cd siblings |
38 | WHERE siblings.artist = me.artist |
39 | AND siblings.cdid != me.cdid |
40 | AND siblings.cdid != ? |
41 | AND me.artist != ? |
42 | ), |
43 | tracks.trackid, tracks.cd, tracks.position, tracks.title, tracks.last_updated_on, tracks.last_updated_at |
44 | FROM cd me |
45 | LEFT JOIN track tracks |
46 | ON tracks.cd = me.cdid |
47 | WHERE me.artist != ? |
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48 | )', |
49 | [ |
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50 | |
51 | # subselect |
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52 | [ { sqlt_datatype => 'integer', dbic_colname => 'siblings.cdid' } |
53 | => 23414 ], |
54 | |
55 | [ { sqlt_datatype => 'integer', dbic_colname => 'me.artist' } |
56 | => 2 ], |
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57 | |
58 | # outher WHERE |
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59 | [ { sqlt_datatype => 'integer', dbic_colname => 'me.artist' } |
60 | => 2 ], |
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61 | ], |
62 | 'Expected SQL on correlated realiased subquery' |
63 | ); |
64 | |
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65 | my $queries = 0; |
66 | $schema->storage->debugcb(sub { $queries++; }); |
67 | $schema->storage->debug(1); |
68 | |
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69 | is_deeply ( |
70 | { map |
71 | { $_->cdid => { |
72 | track_titles => [ map { $_->title } ($_->tracks->all) ], |
73 | siblings => $_->get_column ('sibling_count'), |
74 | } } |
75 | $c_rs->all |
76 | }, |
77 | $cd_data, |
78 | 'Proper information retrieved from correlated subquery' |
79 | ); |
80 | |
81 | is ($queries, 1, 'Only 1 query fired to retrieve everything'); |
82 | |
83 | $schema->storage->debug($orig_debug); |
84 | $schema->storage->debugcb(undef); |
85 | |
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86 | # now add an unbalanced select/as pair |
87 | $c_rs = $c_rs->search ({}, { |
88 | '+select' => $cdrs->search( |
89 | { 'siblings.artist' => { -ident => 'me.artist' } }, |
90 | { alias => 'siblings', columns => [ |
91 | { first_year => { min => 'year' }}, |
92 | { last_year => { max => 'year' }}, |
93 | ]}, |
94 | )->as_query, |
95 | '+as' => [qw/active_from active_to/], |
96 | }); |
97 | |
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98 | is_same_sql_bind( |
99 | $c_rs->as_query, |
100 | '( |
101 | SELECT me.cdid, me.artist, me.title, me.year, me.genreid, me.single_track, |
102 | (SELECT COUNT( * ) |
103 | FROM cd siblings |
104 | WHERE siblings.artist = me.artist |
105 | AND siblings.cdid != me.cdid |
106 | AND siblings.cdid != ? |
107 | AND me.artist != ? |
108 | ), |
109 | (SELECT MIN( year ), MAX( year ) |
110 | FROM cd siblings |
111 | WHERE siblings.artist = me.artist |
112 | AND me.artist != ? |
113 | ), |
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114 | tracks.trackid, tracks.cd, tracks.position, tracks.title, tracks.last_updated_on, tracks.last_updated_at |
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115 | FROM cd me |
116 | LEFT JOIN track tracks |
117 | ON tracks.cd = me.cdid |
118 | WHERE me.artist != ? |
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119 | )', |
120 | [ |
121 | |
122 | # first subselect |
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123 | [ { sqlt_datatype => 'integer', dbic_colname => 'siblings.cdid' } |
124 | => 23414 ], |
125 | |
126 | [ { sqlt_datatype => 'integer', dbic_colname => 'me.artist' } |
127 | => 2 ], |
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128 | |
129 | # second subselect |
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130 | [ { sqlt_datatype => 'integer', dbic_colname => 'me.artist' } |
131 | => 2 ], |
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132 | |
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133 | # outher WHERE |
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134 | [ { sqlt_datatype => 'integer', dbic_colname => 'me.artist' } |
135 | => 2 ], |
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136 | ], |
137 | 'Expected SQL on correlated realiased subquery' |
138 | ); |
139 | |
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140 | done_testing; |