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c0329273 |
1 | BEGIN { do "./t/lib/ANFANG.pm" or die ( $@ || $! ) } |
2 | |
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3 | use strict; |
4 | use warnings; |
5 | |
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6 | use Test::More; |
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7 | use DBICTest ':DiffSQL'; |
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8 | |
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9 | my $schema = DBICTest->init_schema(); |
10 | |
11 | # collapsing prefetch |
12 | { |
13 | my $rs = $schema->resultset("Artist") |
14 | ->search_related('cds', |
15 | { 'tracks.position' => [1,2] }, |
16 | { prefetch => [qw/tracks artist/] }, |
17 | ); |
18 | is ($rs->all, 5, 'Correct number of objects'); |
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19 | is ($rs->count, 5, 'Correct count'); |
20 | |
21 | is_same_sql_bind ( |
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22 | $rs->count_rs->as_query, |
23 | '( |
24 | SELECT COUNT( * ) |
25 | FROM ( |
26 | SELECT cds.cdid |
27 | FROM artist me |
28 | JOIN cd cds ON cds.artist = me.artistid |
29 | LEFT JOIN track tracks ON tracks.cd = cds.cdid |
30 | JOIN artist artist ON artist.artistid = cds.artist |
31 | WHERE tracks.position = ? OR tracks.position = ? |
32 | GROUP BY cds.cdid |
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33 | ) cds |
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34 | )', |
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35 | [ map { [ { sqlt_datatype => 'int', dbic_colname => 'tracks.position' } => $_ ] } (1, 2) ], |
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36 | ); |
37 | } |
38 | |
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39 | # collapsing prefetch with distinct |
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40 | { |
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41 | my $rs = $schema->resultset("Artist")->search(undef, {distinct => 1}) |
42 | ->search_related('cds')->search_related('genre', |
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43 | { 'genre.name' => 'emo' }, |
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44 | { prefetch => q(cds) }, |
45 | ); |
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46 | is ($rs->all, 1, 'Correct number of objects'); |
47 | is ($rs->count, 1, 'Correct count'); |
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48 | |
49 | is_same_sql_bind ( |
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50 | $rs->count_rs->as_query, |
51 | '( |
52 | SELECT COUNT( * ) |
53 | FROM ( |
54 | SELECT genre.genreid |
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55 | FROM ( |
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56 | SELECT me.artistid, me.name, me.rank, me.charfield |
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57 | FROM artist me |
58 | GROUP BY me.artistid, me.name, me.rank, me.charfield |
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59 | ) me |
60 | JOIN cd cds ON cds.artist = me.artistid |
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61 | JOIN genre genre ON genre.genreid = cds.genreid |
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62 | WHERE ( genre.name = ? ) |
63 | GROUP BY genre.genreid |
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64 | ) |
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65 | genre |
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66 | )', |
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67 | [ [ { sqlt_datatype => 'varchar', sqlt_size => 100, dbic_colname => 'genre.name' } |
68 | => 'emo' ] |
69 | ], |
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70 | ); |
71 | } |
72 | |
73 | # non-collapsing prefetch (no multi prefetches) |
74 | { |
75 | my $rs = $schema->resultset("CD") |
76 | ->search_related('tracks', |
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77 | { position => [1,2], 'lyrics.lyric_id' => undef }, |
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78 | { prefetch => [qw/disc lyrics/] }, |
79 | ); |
80 | is ($rs->all, 10, 'Correct number of objects'); |
81 | |
82 | |
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83 | is ($rs->count, 10, 'Correct count'); |
84 | |
85 | is_same_sql_bind ( |
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86 | $rs->count_rs->as_query, |
87 | '( |
88 | SELECT COUNT( * ) |
89 | FROM cd me |
90 | JOIN track tracks ON tracks.cd = me.cdid |
91 | JOIN cd disc ON disc.cdid = tracks.cd |
92 | LEFT JOIN lyrics lyrics ON lyrics.track_id = tracks.trackid |
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93 | WHERE lyrics.lyric_id IS NULL AND (position = ? OR position = ?) |
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94 | )', |
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95 | [ map { [ { sqlt_datatype => 'int', dbic_colname => 'position' } => $_ ] } (1, 2) ], |
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96 | ); |
97 | } |
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98 | |
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99 | done_testing; |