Add index for source association and for path

1 files changed, 22 insertions, 0 deletions

diff --git a/db/migrate/20170503184421_add_index_to_redirect_routes.rb b/db/migrate/20170503184421_add_index_to_redirect_routes.rb
new file mode 100644
index 00000000000..5991f6ab6a1
--- /dev/null
+++ b/db/migrate/20170503184421_add_index_to_redirect_routes.rb
@@ -0,0 +1,22 @@
+# See http://doc.gitlab.com/ce/development/migration_style_guide.html
+# for more information on how to write migrations for GitLab.
+
+# rubocop:disable RemoveIndex
+class AddIndexToRedirectRoutes < 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(:redirect_routes, :path, unique: true)
+    add_concurrent_index(:redirect_routes, [:source_type, :source_id])
+  end
+
+  def down
+    remove_index(:redirect_routes, :path) if index_exists?(:redirect_routes, :path)
+    remove_index(:redirect_routes, [:source_type, :source_id]) if index_exists?(:redirect_routes, [:source_type, :source_id])
+  end
+end