[
https://issues.apache.org/jira/browse/SPARK-5383?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
wangfei updated SPARK-5383:
---------------------------
Description:
when a udf output multi columns, now we can not use alias for them in
spark-sql, see this flowing sql:
select stack(1, key, value, key, value) as (a, b, c, d) from src limit 5;
was:
now spark sql does not support multi alias names, The following sql failed in
spark-sql:
"select key as (k1, k2), value as (v1, v2) from src limit 5"
> support alias for udfs with multi output columns
> ------------------------------------------------
>
> Key: SPARK-5383
> URL: https://issues.apache.org/jira/browse/SPARK-5383
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 1.2.0
> Reporter: wangfei
>
> when a udf output multi columns, now we can not use alias for them in
> spark-sql, see this flowing sql:
> select stack(1, key, value, key, value) as (a, b, c, d) from src limit 5;
--
This message was sent by Atlassian JIRA
(v6.3.4#6332)
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
