use strict;
use warnings;
use base 'DBIx::Class::Schema::Loader::DBI';
+use Carp::Clan qw/^DBIx::Class/;
use Class::C3;
+our $VERSION = '0.05000';
+
=head1 NAME
DBIx::Class::Schema::Loader::DBI::Pg - DBIx::Class::Schema::Loader::DBI
package My::Schema;
use base qw/DBIx::Class::Schema::Loader/;
- __PACKAGE__->loader_options(
- relationships => 1,
- );
+ __PACKAGE__->loader_options( debug => 1 );
1;
$self->{db_schema} ||= 'public';
}
+
sub _table_uniq_info {
my ($self, $table) = @_;
+ # Use the default support if available
+ return $self->next::method($table)
+ if $DBD::Pg::VERSION >= 1.50;
+
my @uniqs;
my $dbh = $self->schema->storage->dbh;
return \@uniqs;
}
+sub _table_comment {
+ my ( $self, $table ) = @_;
+ my ($table_comment) = $self->schema->storage->dbh->selectrow_array(
+ q{SELECT obj_description(oid)
+ FROM pg_class
+ WHERE relname=? AND relnamespace=(
+ SELECT oid FROM pg_namespace WHERE nspname=?)
+ }, undef, $table, $self->db_schema
+ );
+ return $table_comment
+}
+
+
+sub _column_comment {
+ my ( $self, $table, $column_number ) = @_;
+ my ($table_oid) = $self->schema->storage->dbh->selectrow_array(
+ q{SELECT oid
+ FROM pg_class
+ WHERE relname=? AND relnamespace=(
+ SELECT oid FROM pg_namespace WHERE nspname=?)
+ }, undef, $table, $self->db_schema
+ );
+ return $self->schema->storage->dbh->selectrow_array('SELECT col_description(?,?)', undef, $table_oid,
+ $column_number );
+}
+
+# Make sure data_type's that don't need it don't have a 'size' column_info, and
+# set the correct precision for datetime and varbit types.
+sub _columns_info_for {
+ my $self = shift;
+ my ($table) = @_;
+
+ my $result = $self->next::method(@_);
+
+ foreach my $col (keys %$result) {
+ my $data_type = $result->{$col}{data_type};
+
+ # these types are fixed size
+ if ($data_type =~
+/^(?:bigint|int8|bigserial|serial8|bit|boolean|bool|box|bytea|cidr|circle|date|double precision|float8|inet|integer|int|int4|line|lseg|macaddr|money|path|point|polygon|real|float4|smallint|int2|serial|serial4|text)\z/i) {
+ delete $result->{$col}{size};
+ }
+# for datetime types, check if it has a precision or not
+ elsif ($data_type =~ /^(?:interval|time|timestamp)\b/i) {
+ my ($precision) = $self->schema->storage->dbh
+ ->selectrow_array(<<EOF, {}, $table, $col);
+SELECT datetime_precision
+FROM information_schema.columns
+WHERE table_name = ? and column_name = ?
+EOF
+
+ if ($data_type =~ /^time\b/i) {
+ if ((not $precision) || $precision !~ /^\d/) {
+ delete $result->{$col}{size};
+ }
+ else {
+ my ($integer_datetimes) = $self->schema->storage->dbh
+ ->selectrow_array('show integer_datetimes');
+
+ my $max_precision =
+ $integer_datetimes =~ /^on\z/i ? 6 : 10;
+
+ if ($precision == $max_precision) {
+ delete $result->{$col}{size};
+ }
+ else {
+ $result->{$col}{size} = $precision;
+ }
+ }
+ }
+ elsif ((not $precision) || $precision !~ /^\d/ || $precision == 6) {
+ delete $result->{$col}{size};
+ }
+ else {
+ $result->{$col}{size} = $precision;
+ }
+ }
+ elsif ($data_type =~ /^(?:bit varying|varbit)\z/i) {
+ my ($precision) = $self->schema->storage->dbh
+ ->selectrow_array(<<EOF, {}, $table, $col);
+SELECT character_maximum_length
+FROM information_schema.columns
+WHERE table_name = ? and column_name = ?
+EOF
+
+ $result->{$col}{size} = $precision;
+ }
+ elsif ($data_type =~ /^(?:numeric|decimal)\z/i) {
+ my $size = $result->{$col}{size};
+ $size =~ s/\s*//g;
+
+ my ($scale, $precision) = split /,/, $size;
+
+ $result->{$col}{size} = [ $precision, $scale ];
+ }
+ }
+
+ return $result;
+}
+
+sub _extra_column_info {
+ my ($self, $info) = @_;
+ my %extra_info;
+
+ if ($info->{COLUMN_DEF} && $info->{COLUMN_DEF} =~ /\bnextval\(/i) {
+ $extra_info{is_auto_increment} = 1;
+ }
+
+ return \%extra_info;
+}
+
=head1 SEE ALSO
L<DBIx::Class::Schema::Loader>, L<DBIx::Class::Schema::Loader::Base>,
L<DBIx::Class::Schema::Loader::DBI>
+=head1 AUTHOR
+
+See L<DBIx::Class::Schema::Loader/AUTHOR> and L<DBIx::Class::Schema::Loader/CONTRIBUTORS>.
+
+=head1 LICENSE
+
+This library is free software; you can redistribute it and/or modify it under
+the same terms as Perl itself.
+
=cut
1;