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Posted to issues@flink.apache.org by "Fabian Hueske (JIRA)" <ji...@apache.org> on 2018/04/26 21:24:00 UTC
[jira] [Closed] (FLINK-8689) Add runtime support of distinct filter
using MapView
[ https://issues.apache.org/jira/browse/FLINK-8689?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Fabian Hueske closed FLINK-8689.
--------------------------------
Resolution: Implemented
Fix Version/s: 1.6.0
Implemented for 1.6.0 with 6aef014a3e27dd1a93b463dd47ea0b6ec339597a
> Add runtime support of distinct filter using MapView
> -----------------------------------------------------
>
> Key: FLINK-8689
> URL: https://issues.apache.org/jira/browse/FLINK-8689
> Project: Flink
> Issue Type: Sub-task
> Reporter: Rong Rong
> Assignee: Rong Rong
> Priority: Major
> Fix For: 1.6.0
>
>
> This ticket should cover distinct aggregate function support to codegen for *AggregateCall*, where *isDistinct* fields is set to true.
> This can be verified using the following SQL, which is not currently producing correct results.
> {code:java}
> SELECT
> a,
> SUM(b) OVER (PARTITION BY a ORDER BY proctime ROWS BETWEEN 5 PRECEDING AND CURRENT ROW)
> FROM
> MyTable{code}
>
>
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