X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FDBIx%2FClass%2FRelationship%2FCascadeActions.pm;h=c3a66eaba1ead1493684d66374f7e82c5a83b8cd;hb=b979420a9fa5c170a4b926882051f800c132750b;hp=439cfdebdc8fe03b753c4de4527bef0378808918;hpb=b1a94f98903f87fee75bcc41ee4b8accc0b87a1f;p=dbsrgits%2FDBIx-Class.git

diff --git a/lib/DBIx/Class/Relationship/CascadeActions.pm b/lib/DBIx/Class/Relationship/CascadeActions.pm
index 439cfde..c3a66ea 100644
--- a/lib/DBIx/Class/Relationship/CascadeActions.pm
+++ b/lib/DBIx/Class/Relationship/CascadeActions.pm
@@ -4,6 +4,11 @@ package # hide from PAUSE
 use strict;
 use warnings;
 
+our %_pod_inherit_config = 
+  (
+   class_map => { 'DBIx::Class::Relationship::CascadeActions' => 'DBIx::Class::Relationship' }
+  );
+
 sub delete {
   my ($self, @rest) = @_;
   return $self->next::method(@rest) unless ref $self;
@@ -33,7 +38,14 @@ sub update {
   my %rels = map { $_ => $source->relationship_info($_) } $source->relationships;
   my @cascade = grep { $rels{$_}{attrs}{cascade_update} } keys %rels;
   foreach my $rel (@cascade) {
-    $_->update for $self->$rel;
+    next if (
+      $rels{$rel}{attrs}{accessor}
+        &&
+      $rels{$rel}{attrs}{accessor} eq 'single'
+        &&
+      !exists($self->{_relationship_data}{$rel})
+    );
+    $_->update for grep defined, $self->$rel;
   }
   return $ret;
 }