-/*
- * DB migration from v02 to v03 (firebird)
- */
-
-CREATE DOMAIN DM_TARIFF_CHANGE_POLICY AS VARCHAR(32) NOT NULL
- CHECK (VALUE IN ('allow', 'to_cheap', 'to_expensive', 'deny'));
-
-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';
-
-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;