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From "Peter Vary (JIRA)" <>
Subject [jira] [Commented] (HIVE-19638) Configuration not passed to ORC Reader.Options
Date Thu, 28 Feb 2019 12:47:01 GMT


Peter Vary commented on HIVE-19638:

[]: This patch has not been merged to any branch yet.

As for the ORC related stuff - I am not an expert here. I would look for ORC committers myself:



> Configuration not passed to ORC Reader.Options
> ----------------------------------------------
>                 Key: HIVE-19638
>                 URL:
>             Project: Hive
>          Issue Type: Bug
>          Components: Configuration, File Formats, ORC
>    Affects Versions: 2.3.0, 2.3.1, 2.3.2
>            Reporter: Rentao Wu
>            Assignee: Rentao Wu
>            Priority: Major
>         Attachments: HIVE-19638.patch
> Configuration is not passed to ORC's Reader.Option in OrcFileInputFormat which causes
someĀ [ORC configurations|]
to not be able to be picked up.
> Related issues:
> For example, the ORC upgrade in Hive 2.3.x changed schema evolution from positional to
column name matching. A backwards compatibility configuration "orc.force.positional.evolution"
could be set in ORC Reader.Options by [ORC-120|]
however it could not be picked up resulting in null values when querying ORC tables where
the column names do not match.

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