The Perl and Raku Conference 2025: Greenville, South Carolina - June 27-29 Learn more

RIBASUSHI / DBIx-Class-0.082810 / t / sqlmaker / limit_dialects / skip_first.t 

            

              
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151

              
use strict;
use warnings;
use Test::More;
use lib qw(t/lib);
use DBICTest ':DiffSQL';
use DBIx::Class::SQLMaker::LimitDialects;
my ($LIMIT, $OFFSET) = (
   DBIx::Class::SQLMaker::LimitDialects->__rows_bindtype,
   DBIx::Class::SQLMaker::LimitDialects->__offset_bindtype,
);
my $schema = DBICTest->init_schema;
$schema->storage->_sql_maker->limit_dialect ('SkipFirst');
my $rs_selectas_col = $schema->resultset ('BooksInLibrary')->search ({}, {
  '+select' => ['owner.name'],
  '+as' => ['owner.name'],
  join => 'owner',
  rows => 1,
  offset => 2,
});
is_same_sql_bind(
  $rs_selectas_col->as_query,
  '(
    SELECT SKIP ? FIRST ? me.id, me.source, me.owner, me.title, me.price, owner.name
      FROM books me
      JOIN owners owner ON owner.id = me.owner
    WHERE ( source = ? )
  )',
  [
    [ $OFFSET => 2 ],
    [ $LIMIT => 1 ],
    [ { sqlt_datatype => 'varchar', sqlt_size => 100, dbic_colname => 'source' } => 'Library' ],
  ],
);
$schema->storage->_sql_maker->quote_char ([qw/ [ ] /]);
$schema->storage->_sql_maker->name_sep ('.');
my $rs_selectas_rel = $schema->resultset ('BooksInLibrary')->search ({}, {
  '+select' => ['owner.name'],
  '+as' => ['owner_name'],
  join => 'owner',
  rows => 1,
  offset => 2,
});
is_same_sql_bind(
  $rs_selectas_rel->as_query,
  '(
    SELECT SKIP ? FIRST ? [me].[id], [me].[source], [me].[owner], [me].[title], [me].[price], [owner].[name]
      FROM [books] [me]
      JOIN [owners] [owner] ON [owner].[id] = [me].[owner]
    WHERE ( [source] = ? )
  )',
  [
    [ $OFFSET => 2 ],
    [ $LIMIT => 1 ],
    [ { sqlt_datatype => 'varchar', sqlt_size => 100, dbic_colname => 'source' } => 'Library' ],
  ],
);
{
my $subq = $schema->resultset('Owners')->search({
   'count.id' => { -ident => 'owner.id' },
   'count.name' => 'fail', # no one would do this in real life, the rows makes even less sense
}, { alias => 'owner', rows => 1 })->count_rs;
my $rs_selectas_rel = $schema->resultset('BooksInLibrary')->search ({}, {
  columns => [
     { owner_name => 'owner.name' },
     { owner_books => $subq->as_query },
  ],
  join => 'owner',
  rows => 1,
  offset => 2,
});
is_same_sql_bind(
  $rs_selectas_rel->as_query,
  '(
    SELECT SKIP ? FIRST ?
        [owner].[name],
        ( SELECT COUNT(*) FROM
          ( SELECT FIRST ? [owner].[id] FROM [owners] [owner]
            WHERE [count].[id] = [owner].[id] and [count].[name] = ?
          ) [owner]
        )
      FROM [books] [me]
      JOIN [owners] [owner] ON [owner].[id] = [me].[owner]
    WHERE ( [source] = ? )
  )',
  [
    [ $OFFSET => 2 ], # outer
    [ $LIMIT => 1 ],  # outer
    [ {%$LIMIT} => 1 ],  # inner
    [ { dbic_colname => 'count.name' } => 'fail' ],
    [ { sqlt_datatype => 'varchar', sqlt_size => 100, dbic_colname => 'source' } => 'Library' ],
  ],
)
};
{
  my $rs = $schema->resultset('Artist')->search({}, {
    columns => 'name',
    offset => 1,
    order_by => 'name',
  });
  local $rs->result_source->{name} = "weird \n newline/multi \t \t space containing \n table";
  like (
    ${$rs->as_query}->[0],
    qr| weird \s \n \s newline/multi \s \t \s \t \s space \s containing \s \n \s table|x,
    'Newlines/spaces preserved in final sql',
  );
}
{
my $subq = $schema->resultset('Owners')->search({
   'books.owner' => { -ident => 'owner.id' },
}, { alias => 'owner', select => ['id'], offset => 3, rows => 4 });
my $rs_selectas_rel = $schema->resultset('BooksInLibrary')->search( { -exists => $subq->as_query }, { select => ['id','owner'], rows => 1, offset => 2 } );
is_same_sql_bind(
  $rs_selectas_rel->as_query,
  '(
     SELECT SKIP ? FIRST ? [me].[id], [me].[owner]
     FROM [books] [me]
     WHERE ( ( (EXISTS (
       SELECT SKIP ? FIRST ? [owner].[id] FROM [owners] [owner] WHERE ( [books].[owner] = [owner].[id] )
     )) AND [source] = ? ) )
 )',
  [
    [ $OFFSET => 2 ], #outer
    [ $LIMIT => 1 ],  #outer
    [ {%$OFFSET} => 3 ], #inner
    [ {%$LIMIT} => 4 ],  #inner
    [ { sqlt_datatype => 'varchar', sqlt_size => 100, dbic_colname => 'source' } => 'Library' ],
  ],
  'Pagination with sub-query in WHERE works'
);
}
done_testing;