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From "Sergey Shelukhin (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-19916) master-txnstats branch - don't get write IDs from metastore when it's not safe
Date Wed, 27 Jun 2018 21:20:00 GMT

     [ https://issues.apache.org/jira/browse/HIVE-19916?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Sergey Shelukhin updated HIVE-19916:
------------------------------------
    Attachment: branch-19916.patch

> 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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