Merge 'bulk_create' into 'DBIx-Class-current'

[dbsrgits/DBIx-Class.git] / lib / DBIx / Class / ResultSet.pm

diff --git a/lib/DBIx/Class/ResultSet.pm b/lib/DBIx/Class/ResultSet.pm
index df5b998..17586e4 100644 (file)
--- a/lib/DBIx/Class/ResultSet.pm
+++ b/lib/DBIx/Class/ResultSet.pm
@@ -545,7 +545,7 @@ sub single {
     $attrs->{where}, $attrs
   );
 
-  return (@data ? ($self->_construct_object(@data))[0] : ());
+  return (@data ? ($self->_construct_object(@data))[0] : undef);
 }
 
 # _is_unique_query
@@ -740,7 +740,7 @@ sub next {
       ? @{delete $self->{stashed_row}}
       : $self->cursor->next
   );
-  return unless (@row);
+  return undef unless (@row);
   my ($row, @more) = $self->_construct_object(@row);
   $self->{stashed_objects} = \@more if @more;
   return $row;
@@ -1724,18 +1724,36 @@ sub related_resultset {
     my $join_count = $seen->{$rel};
     my $alias = ($join_count > 1 ? join('_', $rel, $join_count) : $rel);
 
-    $self->_source_handle->schema->resultset($rel_obj->{class})->search_rs(
-      undef, {
-        %{$self->{attrs}||{}},
-        join => undef,
-        prefetch => undef,
-        select => undef,
-        as => undef,
-        alias => $alias,
-        where => $self->{cond},
-        seen_join => $seen,
-        from => $from,
-    });
+    #XXX - temp fix for result_class bug. There likely is a more elegant fix -groditi
+    my %attrs = %{$self->{attrs}||{}};
+    delete $attrs{result_class};
+
+    my $new_cache;
+
+    if (my $cache = $self->get_cache) {
+      if ($cache->[0] && $cache->[0]->related_resultset($rel)->get_cache) {
+        $new_cache = [ map { @{$_->related_resultset($rel)->get_cache} }
+                        @$cache ];
+      }
+    }
+
+    my $new = $self->_source_handle
+                   ->schema
+                   ->resultset($rel_obj->{class})
+                   ->search_rs(
+                       undef, {
+                         %attrs,
+                         join => undef,
+                         prefetch => undef,
+                         select => undef,
+                         as => undef,
+                         alias => $alias,
+                         where => $self->{cond},
+                         seen_join => $seen,
+                         from => $from,
+                     });
+    $new->set_cache($new_cache) if $new_cache;
+    $new;
   };
 }