[jira] [Resolved] (SPARK-42592) Document SS guide doc for supporting multiple stateful operators (especially chained aggregations)

["Jungtaek Lim (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SPARK-42592?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jungtaek Lim resolved SPARK-42592.
----------------------------------
    Fix Version/s: 3.5.0
       Resolution: Fixed

Issue resolved by pull request 40188
[https://github.com/apache/spark/pull/40188]

> Document SS guide doc for supporting multiple stateful operators (especially chained aggregations)
> --------------------------------------------------------------------------------------------------
>
>                 Key: SPARK-42592
>                 URL: https://issues.apache.org/jira/browse/SPARK-42592
>             Project: Spark
>          Issue Type: Documentation
>          Components: Structured Streaming
>    Affects Versions: 3.5.0
>            Reporter: Jungtaek Lim
>            Assignee: Jungtaek Lim
>            Priority: Major
>             Fix For: 3.5.0
>
>
> We made a change on the guide doc for SPARK-40925 via SPARK-42105, but from SPARK-42105 we only removed the section of "limitation of global watermark". That said, we haven't provided any example of new functionality, especially that users need to know about the change of SQL function (window) in chained time window aggregations.
> In this ticket, we will add the example of chained time window aggregations, with introducing new functionality of SQL function.



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