-- prc_customer_price_set add customer_code
SET NAMES utf8mb4;

ALTER TABLE prc_customer_price_set
  ADD COLUMN customer_code varchar(50) DEFAULT NULL COMMENT '客户代码' AFTER customer_id;

UPDATE prc_customer_price_set cps
INNER JOIN bms_customer c ON c.customer_id = cps.customer_id
SET cps.customer_code = c.customer_code
WHERE cps.customer_code IS NULL OR cps.customer_code = '';