X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FDBIx%2FClass%2FRelationship%2FCascadeActions.pm;h=fde8f5df9624d91eaf200153541898d0ec450b21;hb=v0.08123;hp=aa880433dcd04aba568eada4e9ecb92b9a09e41e;hpb=b044b5d3118a1a147351cb337a49f788adc7e3be;p=dbsrgits%2FDBIx-Class.git

diff --git a/lib/DBIx/Class/Relationship/CascadeActions.pm b/lib/DBIx/Class/Relationship/CascadeActions.pm
index aa88043..fde8f5d 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;
@@ -11,15 +16,24 @@ sub delete {
     # be handling this anyway. Assuming we have joins we probably actually
     # *could* do them, but I'd rather not.
 
-  my $ret = $self->next::method(@rest);
-
   my $source = $self->result_source;
   my %rels = map { $_ => $source->relationship_info($_) } $source->relationships;
   my @cascade = grep { $rels{$_}{attrs}{cascade_delete} } keys %rels;
-  foreach my $rel (@cascade) {
-    $self->search_related($rel)->delete_all;
+
+  if (@cascade) {
+    my $guard = $source->schema->txn_scope_guard;
+
+    my $ret = $self->next::method(@rest);
+
+    foreach my $rel (@cascade) {
+      $self->search_related($rel)->delete_all;
+    }
+
+    $guard->commit;
+    return $ret;
   }
-  return $ret;
+
+  $self->next::method(@rest);
 }
 
 sub update {
@@ -27,15 +41,31 @@ sub update {
   return $self->next::method(@rest) unless ref $self;
     # Because update cascades on a class *really* don't make sense!
 
-  my $ret = $self->next::method(@rest);
-
   my $source = $self->result_source;
   my %rels = map { $_ => $source->relationship_info($_) } $source->relationships;
   my @cascade = grep { $rels{$_}{attrs}{cascade_update} } keys %rels;
-  foreach my $rel (@cascade) {
-    $_->update for grep defined, $self->$rel;
+
+  if (@cascade) {
+    my $guard = $source->schema->txn_scope_guard;
+
+    my $ret = $self->next::method(@rest);
+
+    foreach my $rel (@cascade) {
+      next if (
+        $rels{$rel}{attrs}{accessor}
+          &&
+        $rels{$rel}{attrs}{accessor} eq 'single'
+          &&
+        !exists($self->{_relationship_data}{$rel})
+      );
+      $_->update for grep defined, $self->$rel;
+    }
+
+    $guard->commit;
+    return $ret;
   }
-  return $ret;
+
+  $self->next::method(@rest);
 }
 
 1;