1 files changed, 19 insertions, 0 deletions
diff --git a/db/migrate/20210305182740_add_projects_fk_to_ci_unit_tests.rb b/db/migrate/20210305182740_add_projects_fk_to_ci_unit_tests.rb
new file mode 100644
index 00000000000..5e750d78a24
--- /dev/null
+++ b/db/migrate/20210305182740_add_projects_fk_to_ci_unit_tests.rb
@@ -0,0 +1,19 @@
+# frozen_string_literal: true
+
+class AddProjectsFkToCiUnitTests < ActiveRecord::Migration[6.0]
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+
+  disable_ddl_transaction!
+
+  def up
+    add_concurrent_foreign_key :ci_unit_tests, :projects, column: :project_id, on_delete: :cascade
+  end
+
+  def down
+    with_lock_retries do
+      remove_foreign_key :ci_unit_tests, column: :project_id
+    end
+  end
+end