[jira] [Commented] (SPARK-24010) Select from table needs read access on DB folder when storage based auth is enabled

["t oo (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SPARK-24010?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16769872#comment-16769872 ] 

t oo commented on SPARK-24010:
------------------------------

gentle ping

> Select from table needs read access on DB folder when storage based auth is enabled
> -----------------------------------------------------------------------------------
>
>                 Key: SPARK-24010
>                 URL: https://issues.apache.org/jira/browse/SPARK-24010
>             Project: Spark
>          Issue Type: Bug
>          Components: SQL
>    Affects Versions: 2.1.0
>            Reporter: Rui Li
>            Priority: Major
>
> When HMS enables storage based authorization, SparkSQL requires read access on DB folder in order to select from a table. Such requirement doesn't seem necessary and is not required in Hive.
> The reason is when Analyzer tries to resolve a relation, it calls [SessionCatalog::databaseExists|https://github.com/apache/spark/blob/v2.1.0/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/Analyzer.scala#L469]. This will call the metastore get_database API which will perform authorization check.



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