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https://issues.apache.org/jira/browse/SPARK-29248?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ximo Guanter updated SPARK-29248:
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Target Version/s: (was: 3.0.0)
> Pass in number of partitions to BuildWriter
> -------------------------------------------
>
> Key: SPARK-29248
> URL: https://issues.apache.org/jira/browse/SPARK-29248
> Project: Spark
> Issue Type: Sub-task
> Components: SQL
> Affects Versions: 3.0.0
> Reporter: Ximo Guanter
> Priority: Major
>
> When implementing a ScanBuilder, we require the implementor to provide the
> schema of the data and the number of partitions.
> However, when someone is implementing WriteBuilder we only pass them the
> schema, but not the number of partitions. This is an asymetrical developer
> experience. Passing in the number of partitions on the WriteBuilder would
> enable data sources to provision their write targets before starting to
> write. For example, it could be used to provision a Kafka topic with a
> specific number of partitions.
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