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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-3475) DISTINCT aggregate function support for SQL queries
Date Mon, 23 Jan 2017 11:04:26 GMT

    [ https://issues.apache.org/jira/browse/FLINK-3475?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15834268#comment-15834268
] 

ASF GitHub Bot commented on FLINK-3475:
---------------------------------------

Github user fhueske commented on the issue:

    https://github.com/apache/flink/pull/3111
  
    @docete, did you check if the execution plan is similar to what I outlined in the related
JIRA issue [FLINK-3475](https://issues.apache.org/jira/browse/FLINK-3475)?


> DISTINCT aggregate function support for SQL queries
> ---------------------------------------------------
>
>                 Key: FLINK-3475
>                 URL: https://issues.apache.org/jira/browse/FLINK-3475
>             Project: Flink
>          Issue Type: New Feature
>          Components: Table API & SQL
>            Reporter: Chengxiang Li
>            Assignee: Zhenghua Gao
>
> DISTINCT aggregate function may be able to reuse the aggregate function instead of separate
implementation, and let Flink runtime take care of duplicate records.



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