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# frozen_string_literal: true
class AddPackageIdForeignKeyToMlCandidates < Gitlab::Database::Migration[2.1]
disable_ddl_transaction!
def up
add_concurrent_foreign_key :ml_candidates, :packages_packages, column: :package_id, on_delete: :nullify
end
def down
with_lock_retries do
remove_foreign_key_if_exists :ml_candidates, column: :package_id
end
end
end
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