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Posted to dev@hive.apache.org by "Weizhe Shi (JIRA)" <ji...@apache.org> on 2012/04/26 19:24:18 UTC
[jira] [Work started] (HIVE-581) improve group by syntax
[ https://issues.apache.org/jira/browse/HIVE-581?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Work on HIVE-581 started by Weizhe Shi.
> improve group by syntax
> -----------------------
>
> Key: HIVE-581
> URL: https://issues.apache.org/jira/browse/HIVE-581
> Project: Hive
> Issue Type: Improvement
> Components: Clients, Query Processor
> Reporter: Larry Ogrodnek
> Assignee: Weizhe Shi
>
> It would be nice if group by allowed either column aliases or column position (like mysql).
> It can be burdensome to have to repeat UDFs both in the select and in the group by.
> e.g. instead of:
> select f1(col1), f2(col2), f3(col3), count(1) group by f1(col1), f2(col2), f3(col3);
> it would allow:
> select f1(col1), f2(col2), f3(col3), count(1) group by 1, 2, 3;
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