1 files changed, 19 insertions, 0 deletions
diff --git a/db/migrate/20210126091713_add_unique_index_services_project_id_and_type.rb b/db/migrate/20210126091713_add_unique_index_services_project_id_and_type.rb
new file mode 100644
index 00000000000..272dca70a8b
--- /dev/null
+++ b/db/migrate/20210126091713_add_unique_index_services_project_id_and_type.rb
@@ -0,0 +1,19 @@
+# frozen_string_literal: true
+
+class AddUniqueIndexServicesProjectIdAndType < ActiveRecord::Migration[6.0]
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+
+  disable_ddl_transaction!
+
+  INDEX_NAME = 'index_services_on_project_id_and_type_unique'
+
+  def up
+    add_concurrent_index :services, [:project_id, :type], name: INDEX_NAME, unique: true
+  end
+
+  def down
+    remove_concurrent_index_by_name :services, name: INDEX_NAME
+  end
+end