-- 入仓计划与实收的一件代发来源托盘快照字段（目标库：baiyue_lastleg）
USE baiyue_lastleg;

SET @ddl = (SELECT IF(EXISTS (SELECT 1 FROM information_schema.columns WHERE table_schema=DATABASE() AND table_name='ll_inbound_plan_pallet' AND column_name='source_pallet_no'), 'SELECT 1', 'ALTER TABLE ll_inbound_plan_pallet ADD COLUMN source_pallet_no VARCHAR(128) NULL COMMENT ''一件代发不可变来源托盘号快照'' AFTER pallet_no'));
PREPARE s FROM @ddl; EXECUTE s; DEALLOCATE PREPARE s;

SET @ddl = (SELECT IF(EXISTS (SELECT 1 FROM information_schema.columns WHERE table_schema=DATABASE() AND table_name='ll_inbound_stock_receipt' AND column_name='source_pallet_no'), 'SELECT 1', 'ALTER TABLE ll_inbound_stock_receipt ADD COLUMN source_pallet_no VARCHAR(128) NULL COMMENT ''一件代发不可变来源托盘号快照'' AFTER pallet_no'));
PREPARE s FROM @ddl; EXECUTE s; DEALLOCATE PREPARE s;