1 files changed, 28 insertions, 0 deletions
diff --git a/lib/gitlab/database/type/indifferent_jsonb.rb b/lib/gitlab/database/type/indifferent_jsonb.rb
new file mode 100644
index 00000000000..69bbcb383ba
--- /dev/null
+++ b/lib/gitlab/database/type/indifferent_jsonb.rb
@@ -0,0 +1,28 @@
+# frozen_string_literal: true
+
+module Gitlab
+  module Database
+    module Type
+      # Extends Rails' Jsonb data type to deserialize it into indifferent access Hash.
+      #
+      # Example:
+      #
+      #   class SomeModel < ApplicationRecord
+      #     # some_model.a_field is of type `jsonb`
+      #     attribute :a_field, :ind_jsonb
+      #   end
+      class IndifferentJsonb < ::ActiveRecord::ConnectionAdapters::PostgreSQL::OID::Jsonb
+        def type
+          :ind_jsonb
+        end
+
+        def deserialize(value)
+          data = super
+          return unless data
+
+          ::Gitlab::Utils.deep_indifferent_access(data)
+        end
+      end
+    end
+  end
+end