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