diff options
Diffstat (limited to 'app/models/issue_relation.rb')
-rw-r--r-- | app/models/issue_relation.rb | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/app/models/issue_relation.rb b/app/models/issue_relation.rb index f33b75568..2caaca9ba 100644 --- a/app/models/issue_relation.rb +++ b/app/models/issue_relation.rb @@ -198,6 +198,8 @@ class IssueRelation < ActiveRecord::Base end def <=>(relation) + return nil unless relation.is_a?(IssueRelation) + r = TYPES[self.relation_type][:order] <=> TYPES[relation.relation_type][:order] r == 0 ? id <=> relation.id : r end |