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

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

cloud-fan commented on pull request #34030:
URL: https://github.com/apache/spark/pull/34030#issuecomment-922752860


   Maybe it's time to think about how to update the user-facing catalog API to support v2 catalogs.
   
   I have 2 ideas in mind:
   1. small update to the existing catalog API: add `catalogExists` method, support catalog part in table/view/function/database name such as `spark.catalog.createTable("a.b.c", schema)`
   2. expose `CatalogPlugin` to end-users directly, via `spark.catalog(name)`
   
   Any thoughts? @huaxingao @viirya @yaooqinn 


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