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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-4691) Add group-windows for streaming tables
Date Wed, 12 Oct 2016 09:58:21 GMT

    [ https://issues.apache.org/jira/browse/FLINK-4691?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15568254#comment-15568254
] 

ASF GitHub Bot commented on FLINK-4691:
---------------------------------------

Github user fhueske commented on a diff in the pull request:

    https://github.com/apache/flink/pull/2562#discussion_r82887623
  
    --- Diff: flink-libraries/flink-table/src/main/scala/org/apache/flink/api/table/plan/RexNodeTranslator.scala
---
    @@ -27,48 +27,65 @@ import scala.collection.mutable.ListBuffer
     object RexNodeTranslator {
    --- End diff --
    
    This class does not deal with RexNodes anymore and could be renamed.


> Add group-windows for streaming tables	
> ---------------------------------------
>
>                 Key: FLINK-4691
>                 URL: https://issues.apache.org/jira/browse/FLINK-4691
>             Project: Flink
>          Issue Type: Sub-task
>          Components: Table API & SQL
>            Reporter: Timo Walther
>            Assignee: Timo Walther
>
> Add Tumble, Slide, Session group-windows for streaming tables as described in [FLIP-11|https://cwiki.apache.org/confluence/display/FLINK/FLIP-11%3A+Table+API+Stream+Aggregations].

> Implementation of group-windows on streaming tables. This includes implementing the API
of group-windows, the logical validation for group-windows, and the definition of the “rowtime”
and “systemtime” keywords. Group-windows on batch tables won’t be initially supported
and will throw an exception.



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