diff options
Diffstat (limited to 'db/migrate/20201111051904_add_foreign_key_to_experiment_subjects_on_project.rb')
-rw-r--r-- | db/migrate/20201111051904_add_foreign_key_to_experiment_subjects_on_project.rb | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/db/migrate/20201111051904_add_foreign_key_to_experiment_subjects_on_project.rb b/db/migrate/20201111051904_add_foreign_key_to_experiment_subjects_on_project.rb new file mode 100644 index 00000000000..a8a05292cca --- /dev/null +++ b/db/migrate/20201111051904_add_foreign_key_to_experiment_subjects_on_project.rb @@ -0,0 +1,19 @@ +# frozen_string_literal: true + +class AddForeignKeyToExperimentSubjectsOnProject < ActiveRecord::Migration[6.0] + include Gitlab::Database::MigrationHelpers + + disable_ddl_transaction! + + DOWNTIME = false + + def up + add_concurrent_foreign_key :experiment_subjects, :projects, column: :project_id, on_delete: :cascade + end + + def down + with_lock_retries do + remove_foreign_key :experiment_subjects, column: :project_id + end + end +end |