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https://issues.apache.org/jira/browse/IMPALA-9977?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Fang-Yu Rao resolved IMPALA-9977.
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Resolution: Fixed
> Impala's COMPUTE STATS statement generates duplicate Ranger audit log entries
> for the ALTER events
> --------------------------------------------------------------------------------------------------
>
> Key: IMPALA-9977
> URL: https://issues.apache.org/jira/browse/IMPALA-9977
> Project: IMPALA
> Issue Type: Bug
> Components: Frontend
> Reporter: Fang-Yu Rao
> Assignee: Fang-Yu Rao
> Priority: Critical
>
> IMPALA-9625 fixed the reported problem converting every fully-qualified table
> name to lowercase in the method call to addAccessEvent() at
> https://github.com/apache/impala/blame/master/fe/src/main/java/org/apache/impala/analysis/Analyzer.java#L2881-L2882
> so that we will not have duplicate audit log entries in the file specified
> by the flag of "{{-audit_event_log_dir}}" when starting Impala.
> However, the patch for IMPALA-9625 did not fix the problem of duplicate
> Ranger log entries resulting from the registration of privilege requests at
> https://github.com/apache/impala/blame/master/fe/src/main/java/org/apache/impala/analysis/Analyzer.java#L2860-L2872.
> Specifically, Ranger performs authorization based on the privilege requests
> added in the for-loop pointed out above, where the fully-qualified table
> names are NOT converted to lowercase. Thus, we should also make the full
> table name consistent for those privilege requests that will be used by
> Ranger.
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