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From "Daniel Dai (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-21597) WM trigger validation should happen at the time of create or alter
Date Fri, 12 Apr 2019 23:34:00 GMT

    [ https://issues.apache.org/jira/browse/HIVE-21597?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16816741#comment-16816741
] 

Daniel Dai commented on HIVE-21597:
-----------------------------------

+1

> WM trigger validation should happen at the time of create or alter
> ------------------------------------------------------------------
>
>                 Key: HIVE-21597
>                 URL: https://issues.apache.org/jira/browse/HIVE-21597
>             Project: Hive
>          Issue Type: Bug
>    Affects Versions: 4.0.0, 3.2.0
>            Reporter: Prasanth Jayachandran
>            Assignee: Prasanth Jayachandran
>            Priority: Major
>         Attachments: HIVE-21597.1.patch, HIVE-21597.2.patch
>
>
> When a query guardrail trigger is created the trigger expression is not validated immediately
upon creation or altering the trigger. Instead, it gets validated at the start of HS2 which
could fail resource plans from being applied correctly. The trigger expression validation
should happen in DDLTask. 



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