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From "Ashutosh Chauhan (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-15804) Druid handler might not emit metadata query when CBO fails
Date Fri, 03 Feb 2017 23:00:53 GMT

    [ https://issues.apache.org/jira/browse/HIVE-15804?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15852279#comment-15852279
] 

Ashutosh Chauhan commented on HIVE-15804:
-----------------------------------------

TestDruidSerDe failure looks related. Seems like we need to update logic in DruidSerde as
well.

> Druid handler might not emit metadata query when CBO fails
> ----------------------------------------------------------
>
>                 Key: HIVE-15804
>                 URL: https://issues.apache.org/jira/browse/HIVE-15804
>             Project: Hive
>          Issue Type: Bug
>          Components: Druid integration
>    Affects Versions: 2.2.0
>            Reporter: Jesus Camacho Rodriguez
>            Assignee: Jesus Camacho Rodriguez
>         Attachments: HIVE-15804.patch
>
>
> When CBO is not enabled/fails, we should still be able to run queries on Druid datasources.
> This is implemented as Select query that will retrieve all data available from Druid
and then execute the rest of the logic on the data. However, currently we might fail due to
wrong inferred type for the Druid datasource columns for numerical types.



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