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https://issues.apache.org/jira/browse/SPARK-17250?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15438233#comment-15438233
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Apache Spark commented on SPARK-17250:
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User 'gatorsmile' has created a pull request for this issue:
https://github.com/apache/spark/pull/14821
> Remove HiveClient and setCurrentDatabase from HiveSessionCatalog
> ----------------------------------------------------------------
>
> Key: SPARK-17250
> URL: https://issues.apache.org/jira/browse/SPARK-17250
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 2.1.0
> Reporter: Xiao Li
>
> This is the first step to clean `HiveClient` from `HiveSessionState`. In the
> metastore interaction, we always set fully qualified names when
> accessing/operating a table. That means, we always specify the database.
> Thus, it is not necessary to use `HiveClient` to change the active database
> in Hive metastore.
> In `HiveSessionCatalog `, `setCurrentDatabase` is the only function that uses
> `HiveClient`. Thus, we can remove it after removing `setCurrentDatabase`
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