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1 | package DBIx::Class::CDBICompat::Iterator; |
2 | |
3 | use strict; |
4 | use warnings; |
5 | |
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6 | |
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7 | =head1 NAME |
8 | |
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9 | DBIx::Class::CDBICompat::Iterator - Emulates the extra behaviors of the Class::DBI search iterator. |
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10 | |
11 | =head1 SYNOPSIS |
12 | |
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13 | See DBIx::Class::CDBICompat for usage directions. |
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14 | |
15 | =head1 DESCRIPTION |
16 | |
17 | Emulates the extra behaviors of the Class::DBI search iterator. |
18 | |
19 | =head2 Differences from DBIx::Class result set |
20 | |
21 | The CDBI iterator returns true if there were any results, false otherwise. The DBIC result set always returns true. |
22 | |
23 | =cut |
24 | |
25 | |
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26 | sub _init_result_source_instance { |
27 | my $class = shift; |
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28 | |
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29 | my $table = $class->next::method(@_); |
30 | $table->resultset_class("DBIx::Class::CDBICompat::Iterator::ResultSet"); |
31 | |
32 | return $table; |
33 | } |
34 | |
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35 | =head1 FURTHER QUESTIONS? |
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36 | |
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37 | Check the list of L<additional DBIC resources|DBIx::Class/GETTING HELP/SUPPORT>. |
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38 | |
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39 | =head1 COPYRIGHT AND LICENSE |
40 | |
41 | This module is free software L<copyright|DBIx::Class/COPYRIGHT AND LICENSE> |
42 | by the L<DBIx::Class (DBIC) authors|DBIx::Class/AUTHORS>. You can |
43 | redistribute it and/or modify it under the same terms as the |
44 | L<DBIx::Class library|DBIx::Class/COPYRIGHT AND LICENSE>. |
45 | |
46 | =cut |
47 | |
48 | package # hide |
49 | DBIx::Class::CDBICompat::Iterator::ResultSet; |
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50 | |
51 | use strict; |
52 | use warnings; |
53 | |
54 | use base qw(DBIx::Class::ResultSet); |
55 | |
56 | sub _bool { |
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57 | # Performance hack so internal checks whether the result set |
58 | # exists won't do a SQL COUNT. |
59 | return 1 if caller =~ /^DBIx::Class::/; |
60 | |
61 | return $_[0]->count; |
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62 | } |
63 | |
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64 | sub _construct_results { |
65 | my $self = shift; |
66 | |
67 | my $rows = $self->next::method(@_); |
68 | |
69 | if (my $f = $self->_resolved_attrs->{record_filter}) { |
70 | $_ = $f->($_) for @$rows; |
71 | } |
72 | |
73 | return $rows; |
74 | } |
75 | |
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76 | 1; |