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Posted to issues@spark.apache.org by "Apache Spark (JIRA)" <ji...@apache.org> on 2016/06/08 16:48:21 UTC
[jira] [Commented] (SPARK-15812) Allow sorting on aggregated
streaming dataframe when the output mode is Complete
[ https://issues.apache.org/jira/browse/SPARK-15812?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15320908#comment-15320908 ]
Apache Spark commented on SPARK-15812:
--------------------------------------
User 'tdas' has created a pull request for this issue:
https://github.com/apache/spark/pull/13549
> Allow sorting on aggregated streaming dataframe when the output mode is Complete
> --------------------------------------------------------------------------------
>
> Key: SPARK-15812
> URL: https://issues.apache.org/jira/browse/SPARK-15812
> Project: Spark
> Issue Type: Sub-task
> Components: SQL, Streaming
> Reporter: Tathagata Das
> Assignee: Tathagata Das
>
> When the output mode is complete, then the output of a streaming aggregation essentially will contain the complete aggregates every time. So this is not different from a batch dataset within an incremental execution. Other non-streaming operations should be supported on this dataset. In this JIRA, we are just adding support for sorting, as it is a common useful functionality. Support for other operations will come later.
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