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Posted to issues@drill.apache.org by "Jacques Nadeau (JIRA)" <ji...@apache.org> on 2014/07/17 00:59:05 UTC

[jira] [Updated] (DRILL-1127) Automatically use StrAgg and support non-holder workspace variables in UDAFs

     [ https://issues.apache.org/jira/browse/DRILL-1127?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jacques Nadeau updated DRILL-1127:
----------------------------------

    Assignee: Mehant Baid  (was: Jinfeng Ni)

> Automatically use StrAgg and support non-holder workspace variables in UDAFs
> ----------------------------------------------------------------------------
>
>                 Key: DRILL-1127
>                 URL: https://issues.apache.org/jira/browse/DRILL-1127
>             Project: Apache Drill
>          Issue Type: Bug
>          Components: Execution - Codegen
>            Reporter: Jacques Nadeau
>            Assignee: Mehant Baid
>
> Right now, the FunctionConverter will fail to load UDAFs that use non holder workspace variables.  This should be constrained to a restriction in using hash aggregation.  If we detect one of these functions (or use of variable width or repeated data types workspace variables), we should only allow use of StreamingAggregate during planning.



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