diff options
Diffstat (limited to 'lib/active_relation/primitives/attribute.rb')
| -rw-r--r-- | lib/active_relation/primitives/attribute.rb | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/lib/active_relation/primitives/attribute.rb b/lib/active_relation/primitives/attribute.rb index d815656794..d37271490a 100644 --- a/lib/active_relation/primitives/attribute.rb +++ b/lib/active_relation/primitives/attribute.rb @@ -54,6 +54,14 @@ module ActiveRelation def =~(other) !(history & other.history).empty? end + + def %(other) + if other + (history - other.history) + (other.history - history) + else + history + end + end end include Congruence |