Sql 配置单元-将单元拆分为多个列
我已经参考了以前的文章,将一列拆分为两列。看起来我所指的示例是sql,与Hive相比可能有所不同。如何将下面的原始数据转换为结果数据Sql 配置单元-将单元拆分为多个列,sql,hive,hiveql,Sql,Hive,Hiveql,我已经参考了以前的文章,将一列拆分为两列。看起来我所指的示例是sql,与Hive相比可能有所不同。如何将下面的原始数据转换为结果数据 orig_data name location code Andrew M NY 145-ABG Paul C NY 1787-ATG Kate M NY 3874-WV results name
orig_data
name location code
Andrew M NY 145-ABG
Paul C NY 1787-ATG
Kate M NY 3874-WV
results
name location ID per
Andrew M NY 145 ABG
Paul C NY 1787 ATG
Kate M NY 3874 WV
select
name, location,
left(code, charindex('-',code) as id, --not working
right(code, charindex('-',code) as per, --not working
from
orig_table;
使用
substr
和instr
select
name, location,
substr(code, 1, instr(code,'-')-1) as id,
substr(code, instr(code,'-')+1) as per
from orig_table;
以下是一个例子:
INSERT INTO TABLE bdp.optrans_tbl
SELECT
CONCTNS.splitted_cnctns[0] AS con1,
CONCTNS.splitted_cnctns[1] AS con2,
CONCTNS.splitted_cnctns[2] AS con3
FROM
(SELECT
split(connections,',') AS splitted_cnctns FROM bdp.transact_tbl)CONCTNS;
要了解更多信息,请参见删除len(代码)后,它从第4行开始工作。。。谢谢