[
https://issues.apache.org/jira/browse/HIVE-1743?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Siying Dong updated HIVE-1743:
------------------------------
Attachment: HIVE-1743.1.patch
Use revers order to compare list of keys. Also a couple of minor bugs in
GenericUDF OP codes.
> Group-by to determine equals of Keys in reverse order
> -----------------------------------------------------
>
> Key: HIVE-1743
> URL: https://issues.apache.org/jira/browse/HIVE-1743
> Project: Hive
> Issue Type: Improvement
> Reporter: Siying Dong
> Assignee: Siying Dong
> Priority: Minor
> Attachments: HIVE-1743.1.patch
>
>
> When processing group-by, in reduce side, keys are ordered. Comparing
> equality of two keys can be more efficient in reverse order.
--
This message is automatically generated by JIRA.
-
You can reply to this email to add a comment to the issue online.
