[
https://issues.apache.org/jira/browse/SPARK-13544?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Xiao Li updated SPARK-13544:
----------------------------
Description: After plan analysis by Analyzer, two operators could have
alias. They are Project and Aggregate. So far, only Alias defined in Project
will rewrite and propagate constraints. (was: After plan analysis by Analyzer,
three operators could have alias. They are Project, Aggregate and Window. So
far, only Alias defined in Project will rewrite and propagate constraints.)
> Rewrite/Propagate constraints for Aliases in Aggregate
> ------------------------------------------------------
>
> Key: SPARK-13544
> URL: https://issues.apache.org/jira/browse/SPARK-13544
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 2.0.0
> Reporter: Xiao Li
>
> After plan analysis by Analyzer, two operators could have alias. They are
> Project and Aggregate. So far, only Alias defined in Project will rewrite and
> propagate constraints.
--
This message was sent by Atlassian JIRA
(v6.3.4#6332)
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
