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https://issues.apache.org/jira/browse/SPARK-24882?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16610029#comment-16610029
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Apache Spark commented on SPARK-24882:
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User 'cloud-fan' has created a pull request for this issue:
https://github.com/apache/spark/pull/22388
> data source v2 API improvement
> ------------------------------
>
> Key: SPARK-24882
> URL: https://issues.apache.org/jira/browse/SPARK-24882
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 2.4.0
> Reporter: Wenchen Fan
> Assignee: Wenchen Fan
> Priority: Major
> Fix For: 2.4.0
>
>
> Data source V2 is out for a while, see the SPIP
> [here|https://docs.google.com/document/d/1n_vUVbF4KD3gxTmkNEon5qdQ-Z8qU5Frf6WMQZ6jJVM/edit?usp=sharing].
> We have already migrated most of the built-in streaming data sources to the
> V2 API, and the file source migration is in progress. During the migration,
> we found several problems and want to address them before we stabilize the V2
> API.
> To solve these problems, we need to separate responsibilities in the data
> source v2 API, isolate the stateull part of the API, think of better naming
> of some interfaces. Details please see the attached google doc:
> https://docs.google.com/document/d/1DDXCTCrup4bKWByTalkXWgavcPdvur8a4eEu8x1BzPM/edit?usp=sharing
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