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1 | package # Hide from PAUSE |
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2 | DBIx::Class::SQLMaker::MySQL; |
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3 | |
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4 | use base qw( DBIx::Class::SQLMaker ); |
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5 | use Carp::Clan qw/^DBIx::Class|^SQL::Abstract/; |
6 | |
7 | # |
8 | # MySQL does not understand the standard INSERT INTO $table DEFAULT VALUES |
9 | # Adjust SQL here instead |
10 | # |
11 | sub insert { |
12 | my $self = shift; |
13 | |
14 | my $table = $_[0]; |
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15 | $table = $self->_quote($table); |
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16 | |
17 | if (! $_[1] or (ref $_[1] eq 'HASH' and !keys %{$_[1]} ) ) { |
18 | return "INSERT INTO ${table} () VALUES ()" |
19 | } |
20 | |
21 | return $self->SUPER::insert (@_); |
22 | } |
23 | |
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24 | # Allow STRAIGHT_JOIN's |
25 | sub _generate_join_clause { |
26 | my ($self, $join_type) = @_; |
27 | |
28 | if( $join_type && $join_type =~ /^STRAIGHT\z/i ) { |
29 | return ' STRAIGHT_JOIN ' |
30 | } |
31 | |
32 | return $self->SUPER::_generate_join_clause( $join_type ); |
33 | } |
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34 | |
35 | # LOCK IN SHARE MODE |
36 | my $for_syntax = { |
37 | update => 'FOR UPDATE', |
38 | shared => 'LOCK IN SHARE MODE' |
39 | }; |
40 | |
41 | sub _lock_select { |
42 | my ($self, $type) = @_; |
43 | |
44 | my $sql = $for_syntax->{$type} || croak "Unknown SELECT .. FOR type '$type' requested"; |
45 | |
46 | return " $sql"; |
47 | } |
48 | |
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49 | 1; |