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From "Lefty Leverenz (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-17731) add a backward compat option for external users to HIVE-11985
Date Mon, 16 Oct 2017 20:29:00 GMT

    [ https://issues.apache.org/jira/browse/HIVE-17731?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16206550#comment-16206550
] 

Lefty Leverenz commented on HIVE-17731:
---------------------------------------

Doc note:  This adds *hive.legacy.schema.for.all.serdes* to HiveConf.java, so it needs to
be documented in the wiki.

* [Configuration Properties -- SerDes | https://cwiki.apache.org/confluence/display/Hive/Configuration+Properties#ConfigurationProperties-SerDes]

Added a TODOC2.4 label.

> add a backward compat option for external users to HIVE-11985
> -------------------------------------------------------------
>
>                 Key: HIVE-17731
>                 URL: https://issues.apache.org/jira/browse/HIVE-17731
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Sergey Shelukhin
>            Assignee: Sergey Shelukhin
>              Labels: TODOC2.4
>             Fix For: 3.0.0, 2.4.0
>
>         Attachments: HIVE-17731.patch
>
>
> See HIVE-11985.
> Some external callers (e.g. Presto) do not appear to process types from deserializer
correctly, relying on DB types. Ideally, it should be resolved via HIVE-17714, hiding the
custom SerDe logic from users.
> For now we can add a backward compatibility config for such cases.



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