2 role SQL::Translator::Parser::DBI {
3 use DBI::Const::GetInfoType;
4 use DBI::Const::GetInfo::ANSI;
5 use DBI::Const::GetInfoReturn;
7 use MooseX::Types::Moose qw(HashRef Maybe Str);
8 use MooseX::MultiMethods;
10 use SQL::Translator::Object::Column;
11 use SQL::Translator::Object::ForeignKey;
12 use SQL::Translator::Object::Index;
13 use SQL::Translator::Object::PrimaryKey;
14 use SQL::Translator::Object::Table;
15 use SQL::Translator::Object::View;
17 use SQL::Translator::Types qw(Schema Table Column);
23 default => sub { shift->dbh->get_info(29) || q{"} }
30 default => sub { shift->dbh->get_info(41) || '.' }
33 has 'schema_name' => (
40 has 'catalog_name' => (
48 my $dbtype = $self->dbh->get_info($GetInfoType{SQL_DBMS_NAME}) || $self->dbh->{Driver}{Name};
50 my $class = __PACKAGE__ . '::'. $dbtype;
51 Class::MOP::load_class($class);
52 $class->meta->apply($self);
55 method _is_auto_increment(HashRef $column_info) { 0 }
57 method _column_default_value(HashRef $column_info) { $column_info->{COLUMN_DEF} }
59 method _column_data_type(HashRef $column_info) { $column_info->{DATA_TYPE} }
61 method _add_column_extra(Column $column, HashRef $column_info) { return }
63 method _add_tables(Schema $schema) {
64 my $sth = $self->dbh->table_info($self->catalog_name, $self->schema_name, '%', "TABLE,VIEW,'LOCAL TEMPORARY','GLOBAL TEMPORARY'");
65 while (my $table_info = $sth->fetchrow_hashref) {
66 if ($table_info->{TABLE_TYPE} =~ /^(TABLE|LOCAL TEMPORARY|GLOBAL TEMPORARY)$/) {
67 my $temp = $table_info->{TABLE_TYPE} =~ /TEMPORARY$/ ? 1 : 0;
68 my $table = SQL::Translator::Object::Table->new({ name => $table_info->{TABLE_NAME}, temporary => $temp, schema => $schema });
69 $schema->add_table($table);
71 $self->_add_columns($table);
72 $self->_add_primary_key($table);
73 $self->_add_indexes($table);
75 elsif ($table_info->{TABLE_TYPE} eq 'VIEW') {
76 my $sql = $self->_get_view_sql($table_info->{TABLE_NAME});
77 my $view = SQL::Translator::Object::View->new({ name => $table_info->{TABLE_NAME}, sql => $sql });
78 $schema->add_view($view);
79 $self->_add_columns($view);
82 $self->_add_foreign_keys($schema->get_table($_), $schema) for $schema->table_ids;
85 method _add_columns(Table $table) {
86 my $sth = $self->dbh->column_info($self->catalog_name, $self->schema_name, $table->name, '%');
88 while (my $column_info = $sth->fetchrow_hashref) {
89 my $column = SQL::Translator::Object::Column->new({ name => $column_info->{COLUMN_NAME},
90 data_type => $self->_column_data_type($column_info),
91 size => $column_info->{COLUMN_SIZE},
92 default_value => $self->_column_default_value($column_info),
93 is_auto_increment => $self->_is_auto_increment($column_info),
94 is_nullable => $column_info->{NULLABLE},
96 $self->_add_column_extra($column, $column_info);
97 push @columns, { column => $column, pos => $column_info->{ORDINAL_POSITION} || $#columns };
99 $table->add_column($_->{column}) for sort { $a->{pos} <=> $b->{pos} } @columns;
102 method _add_primary_key(Table $table) {
103 my $pk_info = $self->dbh->primary_key_info($self->catalog_name, $self->schema_name, $table->name);
105 my ($pk_name, @pk_cols);
106 while (my $pk_col = $pk_info->fetchrow_hashref) {
107 $pk_name = $pk_col->{PK_NAME};
108 push @pk_cols, $pk_col->{COLUMN_NAME};
110 return unless $pk_name;
112 my $pk = SQL::Translator::Object::PrimaryKey->new({ name => $pk_name });
113 $pk->add_column($table->get_column($_)) for @pk_cols;
114 $table->add_index($pk);
117 method _add_foreign_keys(Table $table, Schema $schema) {
118 my $fk_info = $self->dbh->foreign_key_info($self->catalog_name, $self->schema_name, $table->name, $self->catalog_name, $self->schema_name, undef);
119 return unless $fk_info;
122 while (my $fk_col = $fk_info->fetchrow_hashref) {
123 my $fk_name = $fk_col->{FK_NAME};
125 push @{$fk_data->{$fk_name}{columns}}, $fk_col->{FK_COLUMN_NAME};
126 $fk_data->{$fk_name}{table} = $fk_col->{FK_TABLE_NAME};
127 $fk_data->{$fk_name}{uk} = $schema->get_table($fk_col->{UK_TABLE_NAME})->get_index($fk_col->{UK_NAME});
130 foreach my $fk_name (keys %$fk_data) {
131 my $fk = SQL::Translator::Object::ForeignKey->new({ name => $fk_name, references => $fk_data->{$fk_name}{uk} });
132 $fk->add_column($schema->get_table($fk_data->{$fk_name}{table})->get_column($_)) for @{$fk_data->{$fk_name}{columns}};
133 $table->add_constraint($fk);
137 method _add_indexes(Table $table) {
138 my $index_info = $self->dbh->statistics_info($self->catalog_name, $self->schema_name, $table->name, 1, 0);
140 return unless defined $index_info;
142 my ($index_name, $index_type, @index_cols);
143 while (my $index_col = $index_info->fetchrow_hashref) {
144 $index_name = $index_col->{INDEX_NAME};
145 $index_type = $index_col->{NON_UNIQUE} ? 'NORMAL' : 'UNIQUE';
146 push @index_cols, $index_col->{COLUMN_NAME};
148 return if $table->exists_index($index_name);
149 my $index = SQL::Translator::Object::Index->new({ name => $index_name, type => $index_type });
150 $index->add_column($table->get_column($_)) for @index_cols;
151 $table->add_index($index);
154 multi method parse(Schema $data) { $data }
156 multi method parse(Any $) {
157 $self->_add_tables($self->schema);