1 files changed, 18 insertions, 0 deletions
diff --git a/db/migrate/20191105193652_add_index_on_deployments_updated_at.rb b/db/migrate/20191105193652_add_index_on_deployments_updated_at.rb
new file mode 100644
index 00000000000..10371c26dcc
--- /dev/null
+++ b/db/migrate/20191105193652_add_index_on_deployments_updated_at.rb
@@ -0,0 +1,18 @@
+# frozen_string_literal: true
+
+class AddIndexOnDeploymentsUpdatedAt < ActiveRecord::Migration[5.2]
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+  INDEX_COLUMNS = [:project_id, :updated_at]
+
+  disable_ddl_transaction!
+
+  def up
+    add_concurrent_index(:deployments, INDEX_COLUMNS)
+  end
+
+  def down
+    remove_concurrent_index(:deployments, INDEX_COLUMNS)
+  end
+end