Yuanjian Li created SPARK-33659:
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Summary: Document the current behavior for
DataStreamWriter.toTable API
Key: SPARK-33659
URL: https://issues.apache.org/jira/browse/SPARK-33659
Project: Spark
Issue Type: Improvement
Components: Structured Streaming
Affects Versions: 3.1.0
Reporter: Yuanjian Li
Follow up work for SPARK-33577 and need to be done before the 3.1 release. As
we didn't have full support for the V2 table created in the API, the following
documentation work is needed:
* figure out the effects when configurations are (provider/partitionBy)
conflicting with existing table, and document in javadoc of {{toTable}}. I
think you'll need to make a matrix and describe which takes effect (table vs
input) - creating table vs table exists, DSv1 vs DSv2 (4 different situations
should be all documented).
* document the lack of functionality on creating v2 table in javadoc of
{{toTable}}, and guide that they should ensure table is created in prior to
avoid the behavior unintended/insufficient table is being created.
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