-- 报价单/合同增加桶押金字段；合同从关联报价回填（仅 barrel_deposit=0 且有 quote_id）

ALTER TABLE `crm_quote`
  ADD COLUMN `barrel_deposit` decimal(18,2) NOT NULL DEFAULT 0.00 COMMENT '桶押金'
  AFTER `freight`;

ALTER TABLE `crm_contract`
  ADD COLUMN `barrel_deposit` decimal(18,2) NOT NULL DEFAULT 0.00 COMMENT '桶押金'
  AFTER `freight`;

UPDATE `crm_contract` c
INNER JOIN `crm_quote` q
  ON q.id = c.quote_id
 AND q.tenant_no = c.tenant_no
 AND q.del_flag = 0
SET c.barrel_deposit = IFNULL(q.barrel_deposit, 0)
WHERE c.del_flag = 0
  AND c.quote_id IS NOT NULL
  AND IFNULL(c.barrel_deposit, 0) = 0;