SELECt *, `zhangsan` = 3 AS `zhangsan_key` FROM `zhangsan_db` ORDER BY `zhangsan_key` DESC;
或
SELECt * FROM `zhangsan_db` ORDER BY `zhangsan` = 3 DESC;
数据表中zhangsan字段的值等于3的会排到前面
SELECt *, `zhangsan` = 3 AS `zhangsan_key` FROM `zhangsan_db` ORDER BY `zhangsan_key` DESC;
或
SELECt * FROM `zhangsan_db` ORDER BY `zhangsan` = 3 DESC;
数据表中zhangsan字段的值等于3的会排到前面
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