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# frozen_string_literal: true
class AddMlExperimentsReferenceToProject < Gitlab::Database::Migration[2.0]
disable_ddl_transaction!
def up
add_concurrent_foreign_key :ml_experiments, :projects, column: :project_id, on_delete: :cascade
end
def down
with_lock_retries do
remove_foreign_key :ml_experiments, column: :project_id
end
end
end
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