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https://issues.apache.org/jira/browse/FLINK-20485?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ASF GitHub Bot updated FLINK-20485:
-----------------------------------
    Labels: pull-request-available  (was: )

> Map views are deserialized multiple times
> -----------------------------------------
>
>                 Key: FLINK-20485
>                 URL: https://issues.apache.org/jira/browse/FLINK-20485
>             Project: Flink
>          Issue Type: Sub-task
>          Components: Table SQL / Runtime
>    Affects Versions: 1.12.0
>            Reporter: Timo Walther
>            Assignee: Timo Walther
>            Priority: Critical
>              Labels: pull-request-available
>             Fix For: 1.12.0
>
>
> The rework of aggregate functions in FLINK-18809 and FLINK-15803 caused a 
> performance regression due to map views being deserialized multiple times. A 
> solution is to wrap the logic back into a RAW type to have lazy binary format 
> semantics.



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