ALTER TABLE tb_tariffs ADD change_policy DM_TARIFF_CHANGE_POLICY DEFAULT 'allow';
ALTER TABLE tb_tariffs ADD change_policy_timeout DM_MOMENT DEFAULT '1970-01-01 00:00:00';
+UPDATE tb_tariffs SET change_policy = 'allow', change_policy_timeout = '1970-01-01 00:00:00';
+
ALTER TABLE tb_tariffs ALTER COLUMN change_policy DROP DEFAULT;
ALTER TABLE tb_tariffs ALTER COLUMN change_policy_timeout DROP DEFAULT;
-UPDATE tb_tariffs SET change_policy = 'allow', change_policy_timeout = '1970-01-01 00:00:00';
-
UPDATE tb_info SET version = 2;