1 files changed, 34 insertions, 0 deletions
diff --git a/db/post_migrate/20221114142044_delete_experiments_foreign_keys.rb b/db/post_migrate/20221114142044_delete_experiments_foreign_keys.rb
new file mode 100644
index 00000000000..d44b7a6eb51
--- /dev/null
+++ b/db/post_migrate/20221114142044_delete_experiments_foreign_keys.rb
@@ -0,0 +1,34 @@
+# frozen_string_literal: true
+
+class DeleteExperimentsForeignKeys < Gitlab::Database::Migration[2.0]
+  disable_ddl_transaction!
+
+  def up
+    with_lock_retries do
+      remove_foreign_key_if_exists :experiment_subjects, :users, name: 'fk_dfc3e211d4'
+    end
+
+    with_lock_retries do
+      remove_foreign_key_if_exists :experiment_subjects, :experiments, name: 'fk_rails_ede5754774'
+    end
+
+    with_lock_retries do
+      remove_foreign_key_if_exists :experiment_subjects, :projects, name: 'fk_ccc28f8ceb'
+    end
+
+    with_lock_retries do
+      remove_foreign_key_if_exists :experiment_subjects, :namespaces, name: 'fk_842649f2f5'
+    end
+  end
+
+  def down
+    add_concurrent_foreign_key :experiment_subjects,
+                               :users, column: :user_id, name: 'fk_dfc3e211d4', on_delete: :cascade
+    add_concurrent_foreign_key :experiment_subjects,
+                               :experiments, column: :experiment_id, name: 'fk_rails_ede5754774', on_delete: :cascade
+    add_concurrent_foreign_key :experiment_subjects,
+                               :projects, column: :project_id, name: 'fk_ccc28f8ceb', on_delete: :cascade
+    add_concurrent_foreign_key :experiment_subjects,
+                               :namespaces, column: :namespace_id, name: 'fk_842649f2f5', on_delete: :cascade
+  end
+end