2 role SQL::Translator::Producer::SQL::PostgreSQL {
3 use SQL::Translator::Constants qw(:sqlt_types);
4 use SQL::Translator::Types qw(Column Index Table);
6 my %data_type_mapping = (
7 SQL_LONGVARCHAR() => 'text',
8 SQL_TIMESTAMP() => 'timestamp',
9 SQL_TYPE_TIMESTAMP() => 'timestamp without time zone',
10 SQL_TYPE_TIMESTAMP_WITH_TIMEZONE() => 'timestamp',
11 SQL_INTEGER() => 'integer',
12 SQL_CHAR() => 'character',
13 SQL_VARCHAR() => 'varchar',
14 SQL_BIGINT() => 'bigint',
17 method _create_table(Table $table) {
21 my (@create, @column_defs, @index_defs, @constraint_defs);
23 $create_table .= 'DROP TABLE ' . $table->name . ";\n" if $self->drop_table;
24 $create_table .= 'CREATE TABLE ' . $table->name . " (\n";
26 push @column_defs, $self->_create_column($_) for values %{$table->columns};
27 $create_table .= join(",\n", map { ' ' . $_ } @column_defs ) . "\n)";
29 foreach my $index (values %{$table->indexes}) {
30 if ($index->type eq 'NORMAL') {
31 push @index_defs, $self->_create_index($index, $table);
33 push @constraint_defs, $self->_create_index($index);
37 print $create_table . ";\n";
38 return (@create, $create_table, @index_defs, @constraint_defs);
41 method _create_column(Column $column) {
42 my $size = $column->size;
43 my $default_value = $column->default_value;
44 $default_value =~ s/^CURRENT_TIMESTAMP/now()/i if $default_value;
47 $column_def = $column->name . ' ';
48 $column_def .= defined $data_type_mapping{$column->data_type}
49 ? $data_type_mapping{$column->data_type}
51 $column_def .= '(' . $column->size . ')' if $size;
52 $column_def .= ' NOT NULL' unless $column->is_nullable;
53 $column_def .= ' PRIMARY KEY' if $column->is_auto_increment;
54 $column_def .= ' DEFAULT ' . $default_value if $column->default_value && !$column->is_auto_increment;
58 method _create_index(Index $index, Table $table?) {
60 if ($index->type eq 'PRIMARY_KEY') {
61 $index_def = 'CONSTRAINT ' . $index->name . ' PRIMARY KEY ' . '(' . (join ', ', map { $_->name } values %{$index->columns}) . ')';
63 elsif ($index->type eq 'UNIQUE') {
64 $index_def = 'CONSTRAINT ' . $index->name . ' UNIQUE ' . '(' . (join ', ', map { $_->name } values %{$index->columns}) . ')';
66 elsif ($index->type eq 'NORMAL') {
67 $index_def = 'CREATE INDEX ' . $index->name . ' ON ' . $table->name . '('. (join ', ', map { $_->name } values %{$index->columns}) . ')';