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# frozen_string_literal: true
class RemoveUsersNotificationSettingsUserIdFk < Gitlab::Database::Migration[2.1]
disable_ddl_transaction!
FOREIGN_KEY_NAME = "fk_0c95e91db7"
def up
return unless foreign_key_exists?(:notification_settings, :users, name: FOREIGN_KEY_NAME)
with_lock_retries do
remove_foreign_key_if_exists(:notification_settings, :users,
name: FOREIGN_KEY_NAME, reverse_lock_order: true)
end
end
def down
add_concurrent_foreign_key(:notification_settings, :users,
name: FOREIGN_KEY_NAME, column: :user_id,
target_column: :id, on_delete: :cascade)
end
end
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