[jira] [Resolved] (KAFKA-14123) Delete with null value not supported in Streams PersistantWindowsStore

["A. Sophie Blee-Goldman (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/KAFKA-14123?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

A. Sophie Blee-Goldman resolved KAFKA-14123.
--------------------------------------------
    Resolution: Not A Problem

> Delete with null value not supported in Streams PersistantWindowsStore
> ----------------------------------------------------------------------
>
>                 Key: KAFKA-14123
>                 URL: https://issues.apache.org/jira/browse/KAFKA-14123
>             Project: Kafka
>          Issue Type: Bug
>          Components: streams
>    Affects Versions: 3.0.0
>            Reporter: Pawan Sharma
>            Priority: Major
>
> Unable to delete an Window entry from Persistant Windows Store by passing null value in the body.
>  
> Put in this class does not check if the value is null and invoke the remove method.
> [https://github.com/apache/kafka/blob/3.0.0/streams/src/main/java/org/apache/kafka/streams/state/internals/AbstractRocksDBSegmentedBytesStore.java]
>  
> Where as the same feature is working in InMemoryWindowsStore, where the null values are treated as delete. line no 126.
> [https://github.com/apache/kafka/blob/3.0.0/streams/src/main/java/org/apache/kafka/streams/state/internals/InMemoryWindowStore.java]
>  
> This behaviour is little in contrast to all other stores including kv stores, where a null value is treated as delete and also complys with the behaviour of compressed Kafka topic.



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