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Posted to issues@spark.apache.org by "Chaoqin Li (Jira)" <ji...@apache.org> on 2023/10/31 23:55:00 UTC

[jira] [Updated] (SPARK-45747) Support session window aggregation in state reader

     [ https://issues.apache.org/jira/browse/SPARK-45747?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Chaoqin Li updated SPARK-45747:
-------------------------------
    Summary: Support session window aggregation in state reader  (was: Support session window operator in state reader)

> Support session window aggregation in state reader
> --------------------------------------------------
>
>                 Key: SPARK-45747
>                 URL: https://issues.apache.org/jira/browse/SPARK-45747
>             Project: Spark
>          Issue Type: Improvement
>          Components: Structured Streaming
>    Affects Versions: 3.5.0
>            Reporter: Chaoqin Li
>            Priority: Major
>
> We are introducing state reader in SPARK-45511, but currently session window operator is not supported because the numColPrefixKey is unknown. We can read the operator state metadata introduced in SPARK-45558 to determine the number of prefix columns and load the state of session window correctly.



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