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);
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;
16 use SQL::Translator::Types qw(Schema Table);
22 default => sub { shift->dbh->get_info(29) || q{"} }
29 default => sub { shift->dbh->get_info(41) || '.' }
32 has 'schema_name' => (
39 has 'catalog_name' => (
47 my $dbtype = $self->dbh->get_info($GetInfoType{SQL_DBMS_NAME}) || $self->dbh->{Driver}{Name};
49 my $class = __PACKAGE__ . '::'. $dbtype;
50 Class::MOP::load_class($class);
51 $class->meta->apply($self);
54 method _is_auto_increment { 0 }
56 method _column_default_value(HashRef $column_info) { return $column_info->{COLUMN_DEF}; }
58 method _add_tables(Schema $schema) {
59 my $sth = $self->dbh->table_info($self->catalog_name, $self->schema_name, '%', "TABLE,VIEW,'LOCAL TEMPORARY','GLOBAL TEMPORARY'");
60 while (my $table_info = $sth->fetchrow_hashref) {
61 if ($table_info->{TABLE_TYPE} =~ /^(TABLE|LOCAL TEMPORARY|GLOBAL TEMPORARY)$/) {
62 my $temp = $table_info->{TABLE_TYPE} =~ /TEMPORARY$/ ? 1 : 0;
63 my $table = SQL::Translator::Object::Table->new({ name => $table_info->{TABLE_NAME}, temporary => $temp });
64 $schema->add_table($table);
66 $self->_add_columns($table);
67 $self->_add_primary_key($table);
68 $self->_add_indexes($table);
70 elsif ($table_info->{TABLE_TYPE} eq 'VIEW') {
71 my $sql = $self->_get_view_sql($table_info->{TABLE_NAME});
72 my $view = SQL::Translator::Object::View->new({ name => $table_info->{TABLE_NAME}, sql => $sql });
73 $schema->add_view($view);
74 $self->_add_columns($view);
77 $self->_add_foreign_keys($schema->get_table($_), $schema) for $schema->table_ids;
80 method _add_columns(Table $table) {
81 my $sth = $self->dbh->column_info($self->catalog_name, $self->schema_name, $table->name, '%');
82 while (my $column_info = $sth->fetchrow_hashref) {
83 my $column = SQL::Translator::Object::Column->new({ name => $column_info->{COLUMN_NAME},
84 data_type => $column_info->{DATA_TYPE},
85 size => $column_info->{COLUMN_SIZE},
86 default_value => $self->_column_default_value($column_info),
87 is_auto_increment => $self->_is_auto_increment($column_info),
88 is_nullable => $column_info->{NULLABLE},
90 $table->add_column($column);
94 method _add_primary_key(Table $table) {
95 my $pk_info = $self->dbh->primary_key_info($self->catalog_name, $self->schema_name, $table->name);
97 my ($pk_name, @pk_cols);
98 while (my $pk_col = $pk_info->fetchrow_hashref) {
99 $pk_name = $pk_col->{PK_NAME};
100 push @pk_cols, $pk_col->{COLUMN_NAME};
102 return unless $pk_name;
104 my $pk = SQL::Translator::Object::PrimaryKey->new({ name => $pk_name });
105 $pk->add_column($table->get_column($_)) for @pk_cols;
106 $table->add_index($pk);
109 method _add_foreign_keys(Table $table, Schema $schema) {
110 my $fk_info = $self->dbh->foreign_key_info($self->catalog_name, $self->schema_name, $table->name, $self->catalog_name, $self->schema_name, undef);
111 return unless $fk_info;
114 while (my $fk_col = $fk_info->fetchrow_hashref) {
115 my $fk_name = $fk_col->{FK_NAME};
117 push @{$fk_data->{$fk_name}{columns}}, $fk_col->{FK_COLUMN_NAME};
118 $fk_data->{$fk_name}{table} = $fk_col->{FK_TABLE_NAME};
119 $fk_data->{$fk_name}{uk} = $schema->get_table($fk_col->{UK_TABLE_NAME})->get_index($fk_col->{UK_NAME});
122 foreach my $fk_name (keys %$fk_data) {
123 my $fk = SQL::Translator::Object::ForeignKey->new({ name => $fk_name, references => $fk_data->{$fk_name}{uk} });
124 $fk->add_column($schema->get_table($fk_data->{$fk_name}{table})->get_column($_)) for @{$fk_data->{$fk_name}{columns}};
125 $table->add_constraint($fk);
129 method _add_indexes(Table $table) {
130 my $index_info = $self->dbh->statistics_info($self->catalog_name, $self->schema_name, $table->name, 1, 0);
132 my ($index_name, $index_type, @index_cols);
133 while (my $index_col = $index_info->fetchrow_hashref) {
134 $index_name = $index_col->{INDEX_NAME};
135 $index_type = $index_col->{NON_UNIQUE} ? 'NORMAL' : 'UNIQUE';
136 push @index_cols, $index_col->{COLUMN_NAME};
138 return if $table->exists_index($index_name);
139 my $index = SQL::Translator::Object::Index->new({ name => $index_name, type => $index_type });
140 $index->add_column($table->get_column($_)) for @index_cols;
141 $table->add_index($index);