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https://issues.apache.org/jira/browse/SPARK-28970?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16925327#comment-16925327
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Wenchen Fan commented on SPARK-28970:
-------------------------------------
{{USE foo.bar}} can be ambiguous, but I think it's fine as we have {{USE
foo.bar IN cat}}. I forgot that we already have a proposal in the SPIP. Let's
use that proposal.
> implement USE CATALOG/NAMESPACE for Data Source V2
> --------------------------------------------------
>
> Key: SPARK-28970
> URL: https://issues.apache.org/jira/browse/SPARK-28970
> Project: Spark
> Issue Type: New Feature
> Components: SQL
> Affects Versions: 3.0.0
> Reporter: Wenchen Fan
> Priority: Major
>
> Currently Spark has a `USE abc` command to switch the current database.
> We should have something similar for Data Source V2, to switch the current
> catalog and/or current namespace.
> We can introduce 2 new command: `USE CATALOG abc` and `USE NAMESPACE abc`
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