Andrew Or created SPARK-14014:
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             Summary: Replace existing analysis.Catalog with SessionCatalog
                 Key: SPARK-14014
                 URL: https://issues.apache.org/jira/browse/SPARK-14014
             Project: Spark
          Issue Type: Bug
            Reporter: Andrew Or
            Assignee: Andrew Or


As of this moment, there exist many catalogs in Spark. For Spark 2.0, we will 
have two high level catalogs only: SessionCatalog and ExternalCatalog. 
SessionCatalog (implemented in SPARK-13923) keeps track of temporary functions 
and tables and delegates other operations to ExternalCatalog.

At the same time, there's this legacy catalog called `analysis.Catalog` that 
also tracks temporary functions and tables. The goal is to get rid of this 
legacy catalog and replace it with SessionCatalog, which is the new thing.



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