1 files changed, 4 insertions, 2 deletions
diff --git a/lib/active_relation/predicates.rb b/lib/active_relation/predicates.rb
index 6fcef3cfd6..22fbcd9f0b 100644
--- a/lib/active_relation/predicates.rb
+++ b/lib/active_relation/predicates.rb
@@ -41,7 +41,7 @@ module ActiveRelation
     end
 
     def predicate_sql
-      '='
+      operand2.equality_predicate_sql
     end
   end
 
@@ -74,6 +74,8 @@ module ActiveRelation
   end
   
   class In < Binary
-    delegate :predicate_sql, :to => :operand2
+    def predicate_sql
+      operand2.inclusion_predicate_sql
+    end
   end
 end
 \ No newline at end of file