SQL拆分字段，一个拆成两个

原始SQL：

SELECT 
PROVINCE_CODE,
CITY_CODE,
ZONE_CODE
FROM CIV_P_CUST

原始结果：

拆分SQL：

SELECT 
substring(PROVINCE_CODE,1,patindex('%〓%',PROVINCE_CODE)-1) as PID,
substring(PROVINCE_CODE,patindex('%〓%',PROVINCE_CODE)+1,len(PROVINCE_CODE)) as PNAME,
substring(CITY_CODE,1,patindex('%〓%',CITY_CODE)-1) as CID,
substring(CITY_CODE,patindex('%〓%',CITY_CODE)+1,len(CITY_CODE)) as CNAME,
substring(ZONE_CODE,1,patindex('%〓%',ZONE_CODE)-1) as ZID,
substring(ZONE_CODE,patindex('%〓%',ZONE_CODE)+1,len(ZONE_CODE)) as ZNAME
FROM CIV_P_CUST

拆分结果：