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https://issues.apache.org/jira/browse/SPARK-30014?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16981416#comment-16981416
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Kun commented on SPARK-30014:
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Could you share the full scripts?
> for non-default catalog, namespace name is always needed in a query?
> --------------------------------------------------------------------
>
> Key: SPARK-30014
> URL: https://issues.apache.org/jira/browse/SPARK-30014
> Project: Spark
> Issue Type: Question
> Components: SQL
> Affects Versions: 3.0.0
> Reporter: xufei
> Priority: Major
>
> Hi,
> I'm trying to write a catalog plugin based on spark-3.0-preview, and I found
> even when I use 'use catalog.namespace' to set the current catalog and
> namespace, I still need to qualified name in the query.
> For example, I add a catalog named 'example_catalog', and there is a database
> named 'test' in 'example_catalog', a table 't' in 'example_catalog.test'
> I can query the table using 'select * from example_catalog.test.t' under
> default catalog(which is spark_catalog)
> then I use 'use example_catalog.test' to change the current catalog to
> 'example_catalog', and the current namespace to 'test'
> I that can query the table using 'select * from test.t'
> but 'select * from t' failed due to table_not_found exception
> I want to known is this an expected behavior? If yes, it sounds a little
> weird since I think after 'use example_catalog.test', all the un-qualified
> identifiers should be interpreted as 'example_catalog.test.identifier'
>
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