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https://issues.apache.org/jira/browse/STORM-1434?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15422281#comment-15422281
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Jungtaek Lim commented on STORM-1434:
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This feature depends on the boundary of aggregation.
Do we want to apply aggregation for each batch? Or do we want to hold the state
of the global aggregation?
> Support the GROUP BY clause in StormSQL
> ---------------------------------------
>
> Key: STORM-1434
> URL: https://issues.apache.org/jira/browse/STORM-1434
> Project: Apache Storm
> Issue Type: New Feature
> Components: storm-sql
> Reporter: Haohui Mai
>
> This jira tracks the effort of implement the support `GROUP BY` clause in
> StormSQL.
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