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https://issues.apache.org/jira/browse/HIVE-19916?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16525653#comment-16525653
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Sergey Shelukhin commented on HIVE-19916:
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The patch is attached as branch-... patch. Don't worry about conflicts, both
patches may change in parallel, we'll resolve when it's time to commit.
> master-txnstats branch - don't get write IDs from metastore when it's not safe
> ------------------------------------------------------------------------------
>
> Key: HIVE-19916
> URL: https://issues.apache.org/jira/browse/HIVE-19916
> Project: Hive
> Issue Type: Sub-task
> Reporter: Sergey Shelukhin
> Assignee: Sergey Shelukhin
> Priority: Major
> Attachments: HIVE-19916.patch, branch-19916.patch
>
>
> There's some code in original txn stats patch that may go to metastore to get
> write Ids. This code should not go to metastore, it should fail instead.
> HIVE-19382 should ensure that we have correct IDs already present during
> optimizer - they are using by e.g. materialized view optimizer, so they
> should be there; if they are not present, some integration might be needed so
> that txn stats optimizations also have access to those write Ids.
> cc [~jcamachorodriguez]
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