1 files changed, 10 insertions, 0 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/postgresql/column.rb b/activerecord/lib/active_record/connection_adapters/postgresql/column.rb
index b4ea6c42d3..f1ecf6df30 100644
--- a/activerecord/lib/active_record/connection_adapters/postgresql/column.rb
+++ b/activerecord/lib/active_record/connection_adapters/postgresql/column.rb
@@ -24,6 +24,16 @@ module ActiveRecord
           super.sub(/\[\]\z/, "")
         end
 
+        def init_with(coder)
+          @serial = coder["serial"]
+          super
+        end
+
+        def encode_with(coder)
+          coder["serial"] = @serial
+          super
+        end
+
         def ==(other)
           other.is_a?(Column) &&
             super &&