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1 | use strict; |
2 | use warnings; |
3 | |
4 | use lib qw(t/lib); |
5 | |
6 | use Test::More; |
7 | use DBICTest; |
8 | use DBIC::SqlMakerTest; |
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9 | |
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10 | my $schema = DBICTest->init_schema(); |
11 | |
12 | # collapsing prefetch |
13 | { |
14 | my $rs = $schema->resultset("Artist") |
15 | ->search_related('cds', |
16 | { 'tracks.position' => [1,2] }, |
17 | { prefetch => [qw/tracks artist/] }, |
18 | ); |
19 | is ($rs->all, 5, 'Correct number of objects'); |
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20 | is ($rs->count, 5, 'Correct count'); |
21 | |
22 | is_same_sql_bind ( |
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23 | $rs->count_rs->as_query, |
24 | '( |
25 | SELECT COUNT( * ) |
26 | FROM ( |
27 | SELECT cds.cdid |
28 | FROM artist me |
29 | JOIN cd cds ON cds.artist = me.artistid |
30 | LEFT JOIN track tracks ON tracks.cd = cds.cdid |
31 | JOIN artist artist ON artist.artistid = cds.artist |
32 | WHERE tracks.position = ? OR tracks.position = ? |
33 | GROUP BY cds.cdid |
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34 | ) cds |
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35 | )', |
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36 | [ map { [ { sqlt_datatype => 'int', dbic_colname => 'tracks.position' } => $_ ] } (1, 2) ], |
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37 | ); |
38 | } |
39 | |
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40 | # collapsing prefetch with distinct |
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41 | { |
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42 | my $rs = $schema->resultset("Artist")->search(undef, {distinct => 1}) |
43 | ->search_related('cds')->search_related('genre', |
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44 | { 'genre.name' => 'emo' }, |
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45 | { prefetch => q(cds) }, |
46 | ); |
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47 | is ($rs->all, 1, 'Correct number of objects'); |
48 | is ($rs->count, 1, 'Correct count'); |
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49 | |
50 | is_same_sql_bind ( |
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51 | $rs->count_rs->as_query, |
52 | '( |
53 | SELECT COUNT( * ) |
54 | FROM ( |
55 | SELECT genre.genreid |
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56 | FROM ( |
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57 | SELECT me.artistid, me.name, me.rank, me.charfield |
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58 | FROM artist me |
59 | GROUP BY me.artistid, me.name, me.rank, me.charfield |
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60 | ) me |
61 | JOIN cd cds ON cds.artist = me.artistid |
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62 | JOIN genre genre ON genre.genreid = cds.genreid |
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63 | WHERE ( genre.name = ? ) |
64 | GROUP BY genre.genreid |
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65 | ) |
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66 | genre |
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67 | )', |
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68 | [ [ { sqlt_datatype => 'varchar', sqlt_size => 100, dbic_colname => 'genre.name' } |
69 | => 'emo' ] |
70 | ], |
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71 | ); |
72 | } |
73 | |
74 | # non-collapsing prefetch (no multi prefetches) |
75 | { |
76 | my $rs = $schema->resultset("CD") |
77 | ->search_related('tracks', |
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78 | { position => [1,2], 'lyrics.lyric_id' => undef }, |
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79 | { prefetch => [qw/disc lyrics/] }, |
80 | ); |
81 | is ($rs->all, 10, 'Correct number of objects'); |
82 | |
83 | |
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84 | is ($rs->count, 10, 'Correct count'); |
85 | |
86 | is_same_sql_bind ( |
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87 | $rs->count_rs->as_query, |
88 | '( |
89 | SELECT COUNT( * ) |
90 | FROM cd me |
91 | JOIN track tracks ON tracks.cd = me.cdid |
92 | JOIN cd disc ON disc.cdid = tracks.cd |
93 | LEFT JOIN lyrics lyrics ON lyrics.track_id = tracks.trackid |
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94 | WHERE lyrics.lyric_id IS NULL AND (position = ? OR position = ?) |
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95 | )', |
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96 | [ map { [ { sqlt_datatype => 'int', dbic_colname => 'position' } => $_ ] } (1, 2) ], |
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97 | ); |
98 | } |
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99 | |
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100 | done_testing; |