Rui Li created SPARK-24010:
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Summary: 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
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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