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https://issues.apache.org/jira/browse/HIVE-17683?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16562225#comment-16562225
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Igor Kryvenko commented on HIVE-17683:
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[~ekoifman] Hi, Eugene. Yeah, it was related, I just missed one {{if}} branch
in {{AcidUtils}}. I've attached the patch with the fix.
> Add explain locks <sql> command
> -------------------------------
>
> Key: HIVE-17683
> URL: https://issues.apache.org/jira/browse/HIVE-17683
> Project: Hive
> Issue Type: New Feature
> Components: Transactions
> Reporter: Eugene Koifman
> Assignee: Igor Kryvenko
> Priority: Critical
> Attachments: HIVE-17683-branch-3.patch, HIVE-17683.01.patch,
> HIVE-17683.02.patch, HIVE-17683.03.patch, HIVE-17683.04.patch,
> HIVE-17683.05.patch, HIVE-17683.06.patch
>
>
> Explore if it's possible to add info about what locks will be asked for to
> the query plan.
> Lock acquisition (for Acid Lock Manager) is done in
> DbTxnManager.acquireLocks() which is called once the query starts running.
> Would need to refactor that.
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