X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FDBIx%2FClass%2FPK.pm;h=9b9f8a4adbb334ee5fbade204b89dc2281931ab7;hb=34d547782bda692a81b4b9c1178948b7b58ffa04;hp=0f4d0a721f741aac01b61d3edcd5942fcb4bdc07;hpb=bc0c980086ba429cf33b1d471d1035601727231f;p=dbsrgits%2FDBIx-Class-Historic.git

diff --git a/lib/DBIx/Class/PK.pm b/lib/DBIx/Class/PK.pm
index 0f4d0a7..9b9f8a4 100644
--- a/lib/DBIx/Class/PK.pm
+++ b/lib/DBIx/Class/PK.pm
@@ -5,7 +5,7 @@ use warnings;
 
 use base qw/DBIx::Class::Row/;
 
-=head1 NAME 
+=head1 NAME
 
 DBIx::Class::PK - Primary Key class
 
@@ -13,18 +13,13 @@ DBIx::Class::PK - Primary Key class
 
 =head1 DESCRIPTION
 
-This class contains methods for handling primary keys and methods 
+This class contains methods for handling primary keys and methods
 depending on them.
 
 =head1 METHODS
 
 =cut
 
-sub _ident_cond {
-  my ($class) = @_;
-  return join(" AND ", map { "$_ = ?" } $class->primary_columns);
-}
-
 sub _ident_values {
   my ($self) = @_;
   return (map { $self->{_column_data}{$_} } $self->primary_columns);
@@ -70,7 +65,7 @@ sub id {
 =head2 ID
 
 Returns a unique id string identifying a row object by primary key.
-Used by L<DBIx::Class::CDBICompat::LiveObjectIndex> and 
+Used by L<DBIx::Class::CDBICompat::LiveObjectIndex> and
 L<DBIx::Class::ObjectCache>.
 
 =cut
@@ -88,14 +83,24 @@ sub _create_ID {
   my ($self,%vals) = @_;
   return undef unless 0 == grep { !defined } values %vals;
   return join '|', ref $self || $self, $self->result_source->name,
-    map { $_ . '=' . $vals{$_} } sort keys %vals;    
+    map { $_ . '=' . $vals{$_} } sort keys %vals;
 }
 
+=head2 ident_condition
+
+  my $cond = $result_source->ident_condition();
+
+  my $cond = $result_source->ident_condition('alias');
+
+Produces a condition hash to locate a row based on the primary key(s).
+
+=cut
+
 sub ident_condition {
   my ($self, $alias) = @_;
   my %cond;
-  $cond{(defined $alias ? "${alias}.$_" : $_)} = $self->get_column($_)
-    for $self->primary_columns;
+  my $prefix = defined $alias ? $alias.'.' : '';
+  $cond{$prefix.$_} = $self->get_column($_) for $self->primary_columns;
   return \%cond;
 }