1 files changed, 4 insertions, 0 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/postgresql/oid/array.rb b/activerecord/lib/active_record/connection_adapters/postgresql/oid/array.rb
index d6852082ac..26abeea7ed 100644
--- a/activerecord/lib/active_record/connection_adapters/postgresql/oid/array.rb
+++ b/activerecord/lib/active_record/connection_adapters/postgresql/oid/array.rb
@@ -66,6 +66,10 @@ module ActiveRecord
             deserialize(raw_old_value) != new_value
           end
 
+          def force_equality?(value)
+            value.is_a?(::Array)
+          end
+
           private
 
             def type_cast_array(value, method)