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1 | use MooseX::Declare; |
2 | role SQL::Translator::Parser::DBI { |
3 | use DBI::Const::GetInfoType; |
4 | use DBI::Const::GetInfo::ANSI; |
5 | use DBI::Const::GetInfoReturn; |
6 | |
7 | use MooseX::Types::Moose qw(HashRef Maybe Str); |
8 | |
9 | use SQL::Translator::Object::Column; |
10 | use SQL::Translator::Object::ForeignKey; |
11 | use SQL::Translator::Object::Index; |
12 | use SQL::Translator::Object::PrimaryKey; |
13 | use SQL::Translator::Object::Table; |
14 | use SQL::Translator::Object::View; |
15 | |
16 | use SQL::Translator::Types qw(Schema Table); |
17 | |
18 | has 'quoter' => ( |
19 | is => 'rw', |
20 | isa => Str, |
21 | lazy => 1, |
22 | default => sub { shift->dbh->get_info(29) || q{"} } |
23 | ); |
24 | |
25 | has 'namesep' => ( |
26 | is => 'rw', |
27 | isa => Str, |
28 | lazy => 1, |
29 | default => sub { shift->dbh->get_info(41) || '.' } |
30 | ); |
31 | |
32 | has 'schema_name' => ( |
33 | is => 'rw', |
34 | isa => Maybe[Str], |
35 | lazy => 1, |
36 | default => undef |
37 | ); |
38 | |
39 | has 'catalog_name' => ( |
40 | is => 'rw', |
41 | isa => Maybe[Str], |
42 | lazy => 1, |
43 | default => undef |
44 | ); |
45 | |
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46 | method _subclass { |
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47 | my $dbtype = $self->dbh->get_info($GetInfoType{SQL_DBMS_NAME}) || $self->dbh->{Driver}{Name}; |
48 | |
49 | my $class = __PACKAGE__ . '::'. $dbtype; |
50 | Class::MOP::load_class($class); |
51 | $class->meta->apply($self); |
52 | } |
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53 | |
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54 | method _is_auto_increment(HashRef $column_info) { 0 } |
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55 | |
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56 | method _column_default_value(HashRef $column_info) { $column_info->{COLUMN_DEF} } |
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57 | |
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58 | method _column_data_type(HashRef $column_info) { $column_info->{DATA_TYPE} } |
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59 | |
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60 | method _add_tables(Schema $schema) { |
61 | my $sth = $self->dbh->table_info($self->catalog_name, $self->schema_name, '%', "TABLE,VIEW,'LOCAL TEMPORARY','GLOBAL TEMPORARY'"); |
62 | while (my $table_info = $sth->fetchrow_hashref) { |
63 | if ($table_info->{TABLE_TYPE} =~ /^(TABLE|LOCAL TEMPORARY|GLOBAL TEMPORARY)$/) { |
64 | my $temp = $table_info->{TABLE_TYPE} =~ /TEMPORARY$/ ? 1 : 0; |
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65 | my $table = SQL::Translator::Object::Table->new({ name => $table_info->{TABLE_NAME}, temporary => $temp, schema => $schema }); |
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66 | $schema->add_table($table); |
67 | |
68 | $self->_add_columns($table); |
69 | $self->_add_primary_key($table); |
70 | $self->_add_indexes($table); |
71 | } |
72 | elsif ($table_info->{TABLE_TYPE} eq 'VIEW') { |
73 | my $sql = $self->_get_view_sql($table_info->{TABLE_NAME}); |
74 | my $view = SQL::Translator::Object::View->new({ name => $table_info->{TABLE_NAME}, sql => $sql }); |
75 | $schema->add_view($view); |
76 | $self->_add_columns($view); |
77 | } |
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78 | } |
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79 | $self->_add_foreign_keys($schema->get_table($_), $schema) for $schema->table_ids; |
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80 | } |
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81 | |
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82 | method _add_columns(Table $table) { |
83 | my $sth = $self->dbh->column_info($self->catalog_name, $self->schema_name, $table->name, '%'); |
84 | while (my $column_info = $sth->fetchrow_hashref) { |
85 | my $column = SQL::Translator::Object::Column->new({ name => $column_info->{COLUMN_NAME}, |
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86 | data_type => $self->_column_data_type($column_info), |
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87 | size => $column_info->{COLUMN_SIZE}, |
88 | default_value => $self->_column_default_value($column_info), |
89 | is_auto_increment => $self->_is_auto_increment($column_info), |
90 | is_nullable => $column_info->{NULLABLE}, |
91 | }); |
92 | $table->add_column($column); |
93 | } |
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94 | } |
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95 | |
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96 | method _add_primary_key(Table $table) { |
97 | my $pk_info = $self->dbh->primary_key_info($self->catalog_name, $self->schema_name, $table->name); |
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98 | |
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99 | my ($pk_name, @pk_cols); |
100 | while (my $pk_col = $pk_info->fetchrow_hashref) { |
101 | $pk_name = $pk_col->{PK_NAME}; |
102 | push @pk_cols, $pk_col->{COLUMN_NAME}; |
103 | } |
104 | return unless $pk_name; |
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105 | |
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106 | my $pk = SQL::Translator::Object::PrimaryKey->new({ name => $pk_name }); |
107 | $pk->add_column($table->get_column($_)) for @pk_cols; |
108 | $table->add_index($pk); |
109 | } |
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110 | |
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111 | method _add_foreign_keys(Table $table, Schema $schema) { |
112 | my $fk_info = $self->dbh->foreign_key_info($self->catalog_name, $self->schema_name, $table->name, $self->catalog_name, $self->schema_name, undef); |
113 | return unless $fk_info; |
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114 | |
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115 | my $fk_data; |
116 | while (my $fk_col = $fk_info->fetchrow_hashref) { |
117 | my $fk_name = $fk_col->{FK_NAME}; |
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118 | |
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119 | push @{$fk_data->{$fk_name}{columns}}, $fk_col->{FK_COLUMN_NAME}; |
120 | $fk_data->{$fk_name}{table} = $fk_col->{FK_TABLE_NAME}; |
121 | $fk_data->{$fk_name}{uk} = $schema->get_table($fk_col->{UK_TABLE_NAME})->get_index($fk_col->{UK_NAME}); |
122 | } |
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123 | |
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124 | foreach my $fk_name (keys %$fk_data) { |
125 | my $fk = SQL::Translator::Object::ForeignKey->new({ name => $fk_name, references => $fk_data->{$fk_name}{uk} }); |
126 | $fk->add_column($schema->get_table($fk_data->{$fk_name}{table})->get_column($_)) for @{$fk_data->{$fk_name}{columns}}; |
127 | $table->add_constraint($fk); |
128 | } |
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129 | } |
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130 | |
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131 | method _add_indexes(Table $table) { |
132 | my $index_info = $self->dbh->statistics_info($self->catalog_name, $self->schema_name, $table->name, 1, 0); |
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133 | |
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134 | return unless defined $index_info; |
135 | |
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136 | my ($index_name, $index_type, @index_cols); |
137 | while (my $index_col = $index_info->fetchrow_hashref) { |
138 | $index_name = $index_col->{INDEX_NAME}; |
139 | $index_type = $index_col->{NON_UNIQUE} ? 'NORMAL' : 'UNIQUE'; |
140 | push @index_cols, $index_col->{COLUMN_NAME}; |
141 | } |
142 | return if $table->exists_index($index_name); |
143 | my $index = SQL::Translator::Object::Index->new({ name => $index_name, type => $index_type }); |
144 | $index->add_column($table->get_column($_)) for @index_cols; |
145 | $table->add_index($index); |
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146 | } |
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147 | } |