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Posted to reviews@spark.apache.org by GitBox <gi...@apache.org> on 2021/09/20 23:45:24 UTC

[GitHub] [spark] huaxingao commented on pull request #34030: [SPARK-36790][SQL] Update user-facing catalog to adapt CatalogPlugin

huaxingao commented on pull request #34030:
URL: https://github.com/apache/spark/pull/34030#issuecomment-923439564


   I am leaning more towards the first idea. I kind of feel exposing `CatalogPlugin` via `spark.catalog` changes the original semantics of `Catalog`: the `Catalog` interface is a single global catalog, whereas the the V2 `CatalogPlugin` supports multiple metadata catalogs such as `TableCatalog`, `FunctionCatalog`, etc.


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