mysql批量更新数据解决思路
mysql批量更新数据
我的数据库有个YDD字段,字段里的值都是类似:5456淮南小区
我想把字段里的数字在mysql里给批量过滤掉
请问怎么实现呀?
------解决方案--------------------
第一次写mysql function,献给楼主你啦~ 很笨的方法实现的
- SQL code
SET GLOBAL log_bin_trust_function_creators=TRUE; DROP FUNCTION IF EXISTS num_fiter; CREATE FUNCTION num_fiter(input varchar(255)) RETURNS VARCHAR(255) BEGIN DECLARE i INT; DECLARE length INT; DECLARE current VARCHAR(1); DECLARE temp VARCHAR(255); SET i=0; SET temp=''; SET length=LENGTH(input); WHILE i

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