Jungtaek Lim created SPARK-42592:
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Summary: 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
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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