[jira] [Updated] (HIVE-18230) create plan like plan, and replace plan commands for easy modification

["Sergey Shelukhin (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HIVE-18230?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Sergey Shelukhin updated HIVE-18230:
------------------------------------
    Attachment: HIVE-18230.WIP.patch

a WIP patch (lots of generated code).
For some reason one form of replace command works, but the other results in "empty syntax tree". Need to fix that.

> create plan like plan, and replace plan commands for easy modification
> ----------------------------------------------------------------------
>
>                 Key: HIVE-18230
>                 URL: https://issues.apache.org/jira/browse/HIVE-18230
>             Project: Hive
>          Issue Type: Sub-task
>            Reporter: Sergey Shelukhin
>            Assignee: Sergey Shelukhin
>         Attachments: HIVE-18230.WIP.patch
>
>
> Given that the plan already on the cluster cannot be altered, it would be helpful to have create plan like plan, and replace plan commands that would make a copy to be modified, and then rename+apply the copy in place of an existing plan, and rename the existing active plan with a versioned name or drop it altogether.



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