release

[dbsrgits/DBIx-Class-Schema-Loader.git] / lib / DBIx / Class / Schema / Loader / DBI / Pg.pm

diff --git a/lib/DBIx/Class/Schema/Loader/DBI/Pg.pm b/lib/DBIx/Class/Schema/Loader/DBI/Pg.pm
index 538c6be..120256b 100644 (file)
--- a/lib/DBIx/Class/Schema/Loader/DBI/Pg.pm
+++ b/lib/DBIx/Class/Schema/Loader/DBI/Pg.pm
@@ -2,11 +2,14 @@ package DBIx::Class::Schema::Loader::DBI::Pg;
 
 use strict;
 use warnings;
-use base 'DBIx::Class::Schema::Loader::DBI';
+use base qw/
+    DBIx::Class::Schema::Loader::DBI::Component::QuotedDefault
+    DBIx::Class::Schema::Loader::DBI
+/;
 use Carp::Clan qw/^DBIx::Class/;
 use Class::C3;
 
-our $VERSION = '0.04999_12';
+our $VERSION = '0.06001';
 
 =head1 NAME
 
@@ -122,15 +125,84 @@ sub _column_comment {
     $column_number );
 }
 
-sub _extra_column_info {
-    my ($self, $info) = @_;
-    my %extra_info;
+# 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};
 
-    if ($info->{COLUMN_DEF} && $info->{COLUMN_DEF} =~ /\bnextval\(/i) {
-        $extra_info{is_auto_increment} = 1;
+        # these types are fixed size
+        if ($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, $scale ];
+        }
+
+# process SERIAL columns
+        if (ref($result->{$col}{default_value}) eq 'SCALAR' && ${ $result->{$col}{default_value} } =~ /\bnextval\(['"](\w+)/i) {
+            $result->{$col}{is_auto_increment} = 1;
+            $result->{$col}{sequence}          = $1;
+            delete $result->{$col}{default_value};
+        }
     }
 
-    return \%extra_info;
+    return $result;
 }
 
 =head1 SEE ALSO
@@ -140,7 +212,7 @@ L<DBIx::Class::Schema::Loader::DBI>
 
 =head1 AUTHOR
 
-See L<DBIx::Class::Schema::Loader/CONTRIBUTORS>.
+See L<DBIx::Class::Schema::Loader/AUTHOR> and L<DBIx::Class::Schema::Loader/CONTRIBUTORS>.
 
 =head1 LICENSE