SQL SERVER 分割符转列

--分割符转列
select  
        ParsedData.*
from  new_systemparameterbase  mt
cross apply ( select str = mt.New_value + ',,' ) f1
cross apply ( select p1 = charindex( ',', str ) ) ap1
cross apply ( select p2 = charindex( ',', str, p1 + 1 ) ) ap2
cross apply ( select p3 = charindex( ',', str, p2 + 1 ) ) ap3
cross apply ( select p4 = charindex( ',', str, p3 + 1 ) ) ap4
cross apply ( select p5 = charindex( ',', str, p4 + 1 ) ) ap5
cross apply ( select p6 = charindex( ',', str, p5 + 1 ) ) ap6
cross apply ( 
    select substring( str, 1, p1-1 )  a1 
    , substring( str, p1+1, p2-p1-1 ) a2             
    , substring( str, p2+1, p3-p2-1 )  a3      
    ,  substring( str, p3+1, p4-p3-1 ) a4   
    ,  substring( str, p4+1, p5-p4-1 ) a5
    ,  substring( str, p5+1, p6-p5-1 ) a6
) ParsedData
where mt.new_name ='detectionorderproductwarehouseaddress'