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# frozen_string_literal: true
class AddForeignKeyForEnvironmentIdToEnvironments < ActiveRecord::Migration[6.0]
include Gitlab::Database::MigrationHelpers
disable_ddl_transaction!
def up
# `validate: false` option is passed here, because validating the existing rows fails by the orphaned deployments,
# which will be cleaned up in https://gitlab.com/gitlab-org/gitlab/-/merge_requests/64588.
# The validation runs for only new records or updates, so that we can at least
# stop creating orphaned rows.
add_concurrent_foreign_key :deployments, :environments, column: :environment_id, on_delete: :cascade, validate: false
end
def down
with_lock_retries do
remove_foreign_key_if_exists :deployments, :environments
end
end
end
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