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Posted to issues@spark.apache.org by "Wenchen Fan (JIRA)" <ji...@apache.org> on 2018/09/10 05:36:00 UTC

[jira] [Created] (SPARK-25390) finalize the abstraction of data source V2 API

Wenchen Fan created SPARK-25390:
-----------------------------------

             Summary: finalize the abstraction of data source V2 API
                 Key: SPARK-25390
                 URL: https://issues.apache.org/jira/browse/SPARK-25390
             Project: Spark
          Issue Type: Improvement
          Components: SQL
    Affects Versions: 3.0.0
            Reporter: Wenchen Fan


Currently it's not very clear how we should abstract data source v2 API. The abstraction should be unified between batch and streaming, or similar but have a well-defined difference between batch and streaming. And the abstraction should also include catalog/table.

An example of the abstraction:
{code}
batch: catalog -> table -> scan
streaming: catalog -> table -> stream -> scan
{code}



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