X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FDBIx%2FClass%2FResultSource.pm;h=2794292f578e4c29501f77cc5badc74740d2fec2;hb=0777ad33930b2c09258f9752e4e76c27ca75f347;hp=1b9baa87a98e3fd0e889c17160ec3b775994bdc1;hpb=a77f5ab1c0f242d27d3f77018574c56172bdd95c;p=dbsrgits%2FDBIx-Class.git

diff --git a/lib/DBIx/Class/ResultSource.pm b/lib/DBIx/Class/ResultSource.pm
index 1b9baa8..2794292 100644
--- a/lib/DBIx/Class/ResultSource.pm
+++ b/lib/DBIx/Class/ResultSource.pm
@@ -503,6 +503,16 @@ sub primary_columns {
   return @{shift->_primaries||[]};
 }
 
+sub _pri_cols {
+  my $self = shift;
+  my @pcols = $self->primary_columns
+    or $self->throw_exception (sprintf(
+      'Operation requires a primary key to be declared on %s via set_primary_key',
+      ref $self,
+    ));
+  return @pcols;
+}
+
 =head2 add_unique_constraint
 
 =over 4