1 files changed, 7 insertions, 1 deletions
diff --git a/db/migrate/20160715134306_add_index_for_pipeline_user_id.rb b/db/migrate/20160715134306_add_index_for_pipeline_user_id.rb
index 7c991c6d998..a05a4c679e3 100644
--- a/db/migrate/20160715134306_add_index_for_pipeline_user_id.rb
+++ b/db/migrate/20160715134306_add_index_for_pipeline_user_id.rb
@@ -1,9 +1,15 @@
 class AddIndexForPipelineUserId < ActiveRecord::Migration
   include Gitlab::Database::MigrationHelpers
 
+  DOWNTIME = false
+
   disable_ddl_transaction!
 
-  def change
+  def up
     add_concurrent_index :ci_commits, :user_id
   end
+
+  def down
+    remove_index :ci_commits, :user_id if index_exists? :ci_commits, :user_id
+  end
 end