bgey 发表于 2018-9-28 07:55:36

MySQL in不走索引

SELECT*　　
FROM erp_helei mg WHERE mg.num = 602
　　
AND mg.pid
　　
IN
　　
('10002559','10002561','10002562','10002563','10002564','10002598','10002599','10002600','10002601','10002602','10002603','10002604','10002648','10002649','10002667','10002668','10002676','10002558')


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