USE billing;

SET FOREIGN_KEY_CHECKS = 0;

-- note that the vat information is lost, when this script is executed

BEGIN WORK;

ALTER TABLE billing_profiles 
  ADD COLUMN vat_rate TINYINT(3) UNSIGNED NOT NULL DEFAULT 0,
  ADD COLUMN vat_included TINYINT(1) UNSIGNED NOT NULL DEFAULT 0;

ALTER TABLE contracts
  DROP COLUMN vat_rate,
  DROP COLUMN add_vat;

alter table contacts 
  DROP column bank_name, 
  DROP column gpp0,
  DROP column gpp1,
  DROP column gpp2,
  DROP column gpp3,
  DROP column gpp4,
  DROP column gpp5,
  DROP column gpp6,
  DROP column gpp7,
  DROP column gpp8,
  DROP column gpp9;

COMMIT;