[GitHub] [spark] gengliangwang opened a new pull request #25157: [WIP][SPARK-28396][SQL] Add PathCatalog for data source V2

[GitBox <gi...@apache.org>]

gengliangwang opened a new pull request #25157: [WIP][SPARK-28396][SQL] Add PathCatalog for data source V2
URL: https://github.com/apache/spark/pull/25157
 
 
   **This is still in progress**
   ## What changes were proposed in this pull request?
   
   Add PathCatalog for data source V2, so that:
   1. We can convert SaveMode in DataFrameWriter into catalog table operations, instead of supporting SaveMode in file source V2.
   2. Support create-table SQL statements like "CREATE TABLE orc.'path'"
   ## How was this patch tested?
   Unit test
   

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