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1 | use MooseX::Declare; |
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2 | class SQL::Translator::Object::Table extends SQL::Translator::Object is dirty { |
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3 | use MooseX::Types::Moose qw(Any Bool HashRef Str); |
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4 | use MooseX::MultiMethods; |
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5 | use SQL::Translator::Types qw(Column Constraint Index Schema Sequence); |
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6 | use SQL::Translator::Object::Constraint; |
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7 | clean; |
8 | |
9 | use overload |
10 | '""' => sub { shift->name }, |
11 | 'bool' => sub { $_[0]->name || $_[0] }, |
12 | fallback => 1, |
13 | ; |
14 | |
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15 | has 'name' => ( |
16 | is => 'rw', |
17 | isa => Str, |
18 | required => 1 |
19 | ); |
20 | |
21 | has 'columns' => ( |
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22 | traits => ['Hash'], |
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23 | is => 'rw', |
24 | isa => HashRef[Column], |
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25 | handles => { |
26 | exists_column => 'exists', |
27 | column_ids => 'keys', |
28 | get_columns => 'values', |
29 | get_column => 'get', |
30 | add_column => 'set', |
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31 | remove_column => 'delete', |
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32 | clear_columns => 'clear', |
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33 | }, |
34 | default => sub { my %hash = (); tie %hash, 'Tie::IxHash'; return \%hash }, |
35 | ); |
36 | |
37 | has 'indexes' => ( |
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38 | traits => ['Hash'], |
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39 | is => 'rw', |
40 | isa => HashRef[Index], |
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41 | handles => { |
42 | exists_index => 'exists', |
43 | index_ids => 'keys', |
44 | get_indices => 'values', |
45 | get_index => 'get', |
46 | add_index => 'set', |
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47 | remove_index => 'delete', |
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48 | }, |
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49 | default => sub { my %hash = (); tie %hash, 'Tie::IxHash'; return \%hash }, |
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50 | ); |
51 | |
52 | has 'constraints' => ( |
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53 | traits => ['Hash'], |
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54 | is => 'rw', |
55 | isa => HashRef[Constraint], |
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56 | handles => { |
57 | exists_constraint => 'exists', |
58 | constraint_ids => 'keys', |
59 | get_constraints => 'values', |
60 | get_constraint => 'get', |
61 | add_constraint => 'set', |
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62 | remove_constraint => 'delete', |
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63 | }, |
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64 | default => sub { my %hash = (); tie %hash, 'Tie::IxHash'; return \%hash }, |
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65 | ); |
66 | |
67 | has 'sequences' => ( |
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68 | traits => ['Hash'], |
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69 | is => 'rw', |
70 | isa => HashRef[Sequence], |
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71 | handles => { |
72 | exists_sequence => 'exists', |
73 | sequence_ids => 'keys', |
74 | get_sequences => 'values', |
75 | get_sequence => 'get', |
76 | add_sequence => 'set', |
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77 | remove_sequence => 'delete', |
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78 | }, |
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79 | default => sub { my %hash = (); tie %hash, 'Tie::IxHash'; return \%hash }, |
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80 | ); |
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81 | |
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82 | has 'schema' => ( |
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83 | is => 'rw', |
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84 | isa => Schema, |
85 | weak_ref => 1, |
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86 | ); |
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87 | |
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88 | has 'temporary' => ( |
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89 | is => 'rw', |
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90 | isa => Bool, |
91 | default => 0 |
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92 | ); |
93 | |
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94 | around add_column(Column $column does coerce) { |
95 | die "Can't use column name " . $column->name if $self->exists_column($column->name) || $column->name eq ''; |
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96 | $column->table($self); |
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97 | return $self->$orig($column->name, $column); |
98 | } |
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99 | |
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100 | around add_constraint(Constraint $constraint does coerce) { |
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101 | my $name = $constraint->name; |
102 | if ($name eq '') { |
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103 | my $idx = 0; |
104 | while ($self->exists_constraint('ANON' . $idx)) { $idx++ } |
105 | $name = 'ANON' . $idx; |
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106 | } |
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107 | $constraint->table($self); |
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108 | if ($constraint->has_type && $constraint->type eq 'PRIMARY KEY') { |
109 | $self->get_column($_)->is_primary_key(1) for $constraint->column_ids; |
110 | } |
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111 | $self->$orig($name, $constraint) |
112 | } |
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113 | |
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114 | around add_index(Index $index does coerce) { |
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115 | my $name = $index->name; |
116 | if ($name eq '') { |
117 | my $idx = 0; |
118 | while ($self->exists_index('ANON' . $idx)) { $idx++ } |
119 | $name = 'ANON' . $idx; |
120 | } |
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121 | $index->table($self); |
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122 | $self->$orig($name, $index) |
123 | } |
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124 | |
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125 | around add_sequence(Sequence $sequence does coerce) { $self->$orig($sequence->name, $sequence) } |
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126 | |
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127 | multi method primary_key { |
128 | my $constraints = $self->constraints; |
129 | for my $key (keys %$constraints) { |
130 | return $constraints->{$key} if $constraints->{$key}{type} eq 'PRIMARY KEY'; |
131 | } |
132 | return undef; |
133 | } |
134 | |
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135 | multi method primary_key(Str $column) { |
136 | die "Column $column does not exist!" unless $self->exists_column($column); |
137 | $self->get_column($column)->is_primary_key(1); |
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138 | |
139 | my $primary_key = $self->primary_key; |
140 | unless (defined $primary_key) { |
141 | $primary_key = SQL::Translator::Object::Constraint->new({ type => 'PRIMARY KEY' }); |
142 | $self->add_constraint($primary_key); |
143 | } |
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144 | $primary_key->add_field({ name => $column }) unless $primary_key->exists_column($column); ## FIX ME, change back to add_column once around add_column(coerce .. ) works |
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145 | return $primary_key; |
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146 | } |
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147 | |
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148 | method is_valid { return $self->get_columns ? 1 : undef } |
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149 | method order { } |
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150 | |
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151 | before name($name?) { die "Can't use table name $name, table already exists" if $name && $self->schema->exists_table($name) && $name ne $self->name } |
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152 | |
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153 | around remove_column(Column|Str $column, Int :$cascade = 0) { |
154 | my $name = is_Column($column) ? $column->name : $column; |
155 | die "Can't drop non-existant column " . $name unless $self->exists_column($name); |
156 | $self->$orig($name); |
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157 | } |
158 | |
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159 | around remove_index(Index|Str $index) { |
160 | my $name = is_Index($index) ? $index->name : $index; |
161 | die "Can't drop non-existant index " . $name unless $self->exists_index($name); |
162 | $self->$orig($name); |
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163 | } |
164 | |
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165 | around remove_constraint(Constraint|Str $constraint) { |
166 | my $name = is_Constraint($constraint) ? $constraint->name : $constraint; |
167 | die "Can't drop non-existant constraint " . $name unless $self->exists_constraint($name); |
168 | $self->$orig($name); |
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169 | } |
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170 | } |