[jira] [Assigned] (FLINK-37420) AbstractAggregatingState add may return wrong result

["Zakelly Lan (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/FLINK-37420?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Zakelly Lan reassigned FLINK-37420:
-----------------------------------

    Assignee: Yue Ma

> AbstractAggregatingState add may return wrong result
> ----------------------------------------------------
>
>                 Key: FLINK-37420
>                 URL: https://issues.apache.org/jira/browse/FLINK-37420
>             Project: Flink
>          Issue Type: Bug
>          Components: Runtime / State Backends
>    Affects Versions: 2.0.0
>            Reporter: Yue Ma
>            Assignee: Yue Ma
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 2.0.0
>
>
> When calling _add()_ in *AbstractAggregatingState* , if the acc is empty, the value of _updateInternal_ will only be _this.aggregateFunction.createAccumulator()_ , but it should actually be this.{_}aggregateFunction.add(value, this.aggregateFunction.createAccumulator()){_}
>  
>  



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