rename option to undef_on_null_fk and make it default for belongs_to
[dbsrgits/DBIx-Class.git] / lib / DBIx / Class / Relationship / BelongsTo.pm
index 272b01b..eb10752 100644 (file)
@@ -13,6 +13,8 @@ sub belongs_to {
   # assume a foreign key contraint unless defined otherwise
   $attrs->{is_foreign_key_constraint} = 1 
     if not exists $attrs->{is_foreign_key_constraint};
+  $attrs->{undef_on_null_fk} = 1
+    if not exists $attrs->{undef_on_null_fk};
 
   # no join condition or just a column name
   if (!ref $cond) {