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sql substring charindex

substring(s1,int,int) 截取字符串,起始位置,截取个数,返回截取后的字符串

charindex(s1,s2)查找字符s1在s2中的位置。返回int位置

 

SELECT substring(productid,0,(charindex(‘)‘,productid)+1)) as id1, substring(partid,0,(charindex(‘)‘,partid)+1)) as id2,* FROM IE_GYGJB_A where isnull(productid,‘‘) <> ‘‘ and substring(productid,0,(charindex(‘)‘,productid)+1)) <> substring(partid,0,(charindex(‘)‘,partid)+1))