Add index on ci_builds.updated_at

1 files changed, 19 insertions, 0 deletions

diff --git a/db/migrate/20170423064036_add_index_on_ci_builds_updated_at.rb b/db/migrate/20170423064036_add_index_on_ci_builds_updated_at.rb
new file mode 100644
index 00000000000..0bbb74ee05e
--- /dev/null
+++ b/db/migrate/20170423064036_add_index_on_ci_builds_updated_at.rb
@@ -0,0 +1,19 @@
+# See http://doc.gitlab.com/ce/development/migration_style_guide.html
+# for more information on how to write migrations for GitLab.
+
+class AddIndexOnCiBuildsUpdatedAt < ActiveRecord::Migration
+  include Gitlab::Database::MigrationHelpers
+
+  # Set this constant to true if this migration requires downtime.
+  DOWNTIME = false
+
+  disable_ddl_transaction!
+
+  def up
+    add_concurrent_index :ci_builds, :updated_at
+  end
+
+  def down
+    remove_concurrent_index :ci_builds, :updated_at if index_exists?(:ci_builds, :updated_at)
+  end
+end