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21 lines
803 B
21 lines
803 B
-- 删除7月10号之前的订单数据
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-- 注意：执行前请先备份数据，此操作不可逆
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-- 删除主订单（pid = '0'）中7月10号之前的数据
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DELETE FROM common_order
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WHERE create_time < '2024-07-10 00:00:00'
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AND pid = '0';
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-- 删除所有子订单中7月10号之前的数据
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DELETE FROM common_order
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WHERE create_time < '2024-07-10 00:00:00'
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AND pid != '0';
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-- 或者使用一条SQL删除所有7月10号之前的数据（包括主订单和子订单）
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-- DELETE FROM common_order WHERE create_time < '2024-07-10 00:00:00';
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-- 查询删除前的数据量（用于确认）
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-- SELECT COUNT(*) as total_count FROM common_order WHERE create_time < '2024-07-10 00:00:00';
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-- 查询删除后的数据量（用于验证）
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-- SELECT COUNT(*) as remaining_count FROM common_order;
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