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https://issues.apache.org/jira/browse/SPARK-44044?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Max Gekk reassigned SPARK-44044:
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Assignee: Siying Dong
> Improve Error message for SQL Window functions
> ----------------------------------------------
>
> Key: SPARK-44044
> URL: https://issues.apache.org/jira/browse/SPARK-44044
> Project: Spark
> Issue Type: Improvement
> Components: Structured Streaming
> Affects Versions: 3.5.0
> Reporter: Siying Dong
> Assignee: Siying Dong
> Priority: Trivial
>
> Right now, if window spec is used with a stream query, the error message
> looks like following:
> Non-time-based windows are not supported on streaming DataFrames/Datasets;
> Window [... <Sub Logic Plan>
> The message isn't very helpful to identify what's the problem is and some
> customers and even support engineers got confused by this. It is suggested
> that we call out aggregation function over the window spec so that the users
> can locate the part of the query that caused the problem easier.
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