Commit | Line | Data |
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1 | use MooseX::Declare; |
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2 | class SQL::Translator::Object::Constraint extends SQL::Translator::Object { |
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3 | use MooseX::Types::Moose qw(ArrayRef Bool HashRef Int Maybe Str Undef); |
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4 | use MooseX::MultiMethods; |
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5 | use SQL::Translator::Types qw(Column MatchType Table); |
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6 | |
7 | has 'table' => ( |
8 | is => 'rw', |
9 | isa => Table, |
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10 | weak_ref => 1, |
11 | ); |
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12 | |
13 | has 'name' => ( |
14 | is => 'rw', |
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15 | isa => Str, |
16 | default => '', |
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17 | required => 1 |
18 | ); |
19 | |
20 | has 'columns' => ( |
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21 | traits => ['Hash'], |
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22 | is => 'rw', |
23 | isa => HashRef[Column], |
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24 | handles => { |
25 | exists_column => 'exists', |
26 | column_ids => 'keys', |
27 | get_columns => 'values', |
28 | get_column => 'get', |
29 | add_column => 'set', |
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30 | clear_columns => 'clear', |
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31 | }, |
32 | default => sub { my %hash = (); tie %hash, 'Tie::IxHash'; return \%hash }, |
33 | ); |
34 | |
35 | has 'type' => ( |
36 | is => 'rw', |
37 | isa => Str, |
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38 | predicate => 'has_type', |
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39 | required => 1, |
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40 | ); |
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41 | |
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42 | has 'deferrable' => ( |
43 | is => 'rw', |
44 | isa => Bool, |
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45 | default => 1 |
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46 | ); |
47 | |
48 | has 'expression' => ( |
49 | is => 'rw', |
50 | isa => Str, |
51 | ); |
52 | |
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53 | has 'reference_table' => ( |
54 | isa => Maybe[Str], |
55 | is => 'rw', |
56 | ); |
57 | |
58 | has 'reference_columns' => ( |
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59 | isa => ArrayRef, |
60 | traits => ['Array'], |
61 | handles => { |
62 | reference_columns => 'elements', |
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63 | add_reference_column => 'push', |
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64 | }, |
65 | default => sub { [] }, |
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66 | required => 1, |
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67 | ); |
68 | |
69 | has 'match_type' => ( |
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70 | isa => MatchType, |
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71 | is => 'rw', |
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72 | coerce => 1, |
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73 | lazy => 1, |
74 | default => '' |
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75 | ); |
76 | |
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77 | has '_order' => ( |
78 | isa => Int, |
79 | is => 'rw', |
80 | ); |
81 | |
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82 | has 'on_delete' => ( is => 'rw', required => 0); |
83 | has 'on_update' => ( is => 'rw', required => 0); |
84 | |
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85 | around add_column(Column $column) { |
86 | if ($self->has_type && $self->type eq 'PRIMARY KEY') { |
87 | $column->is_primary_key(1); |
88 | } |
89 | $self->$orig($column->name, $column) |
90 | } |
91 | |
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92 | multi method order(Int $order) { $self->_order($order); } |
93 | multi method order { |
94 | my $order = $self->_order; |
95 | unless (defined $order && $order) { |
96 | my $tables = Tie::IxHash->new( map { $_->name => $_ } $self->schema->get_tables ); |
97 | $order = $tables->Indices($self->name) || 0; $order++; |
98 | $self->_order($order); |
99 | } |
100 | return $order; |
101 | } |
102 | |
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103 | method is_valid { return $self->has_type && scalar $self->column_ids ? 1 : undef } |
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104 | } |