31 lines
992 B
SQL
31 lines
992 B
SQL
-- 移除样品生成工单时自动创建订单的功能
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-- 修改 test_work_order 表，允许 test_order_id 为空
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-- 1. 修改 test_work_order.test_order_id 字段为可空
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ALTER TABLE test_work_order
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MODIFY COLUMN test_order_id INTEGER NULL COMMENT '工单分组（可选）';
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-- 2. 查看当前从样品生成的订单（这些订单没有关联工单的 order_id）
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SELECT
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o.id AS order_id,
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o.name AS order_name,
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o.create_time,
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COUNT(w.id) AS work_order_count
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FROM test_order o
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LEFT JOIN test_work_order w ON w.test_order_id = o.id
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WHERE w.order_id IS NULL -- 这些工单没有被汇总到新订单
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GROUP BY o.id, o.name, o.create_time
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ORDER BY o.id DESC;
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-- 3. 可选：清理从样品自动创建的订单（如果需要）
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-- 注意：执行前请先备份数据！
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-- DELETE FROM test_order
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-- WHERE id IN (
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-- SELECT DISTINCT test_order_id
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-- FROM test_work_order
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-- WHERE order_id IS NULL
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-- );
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-- 4. 验证修改
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DESCRIBE test_work_order;
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