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Posted to dev@drill.apache.org by "Jacques Nadeau (JIRA)" <ji...@apache.org> on 2014/05/16 12:47:02 UTC

[jira] [Commented] (DRILL-22) Aggregation of entire stream should be possible by specifying empty list of keys

    [ https://issues.apache.org/jira/browse/DRILL-22?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13998967#comment-13998967 ] 

Jacques Nadeau commented on DRILL-22:
-------------------------------------

Resolved some time ago by StreamAgg

> Aggregation of entire stream should be possible by specifying empty list of keys
> --------------------------------------------------------------------------------
>
>                 Key: DRILL-22
>                 URL: https://issues.apache.org/jira/browse/DRILL-22
>             Project: Apache Drill
>          Issue Type: Bug
>            Reporter: Ted Dunning
>            Assignee: Jacques Nadeau
>
> The aggregate operator should support an empty list of keys to allow aggregation across the entire input something like this:
> {code}
>       { op: "aggregate", type: "simple", keys: [], 
>         aggregations: [ref: "average", expr: "AVG(y)"]}
> {code}



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