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From "Aihua Xu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-13251) hive can't read the decimal in AVRO file generated from previous version
Date Wed, 09 Mar 2016 22:48:40 GMT

    [ https://issues.apache.org/jira/browse/HIVE-13251?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15188242#comment-15188242
] 

Aihua Xu commented on HIVE-13251:
---------------------------------

[~xuefuz] I'm wondering why we try to get schema info from the file rather than from the record
in HIVE-5823 for decimal? 

> hive can't read the decimal in AVRO file generated from previous version
> ------------------------------------------------------------------------
>
>                 Key: HIVE-13251
>                 URL: https://issues.apache.org/jira/browse/HIVE-13251
>             Project: Hive
>          Issue Type: Bug
>          Components: Hive
>    Affects Versions: 2.1.0
>            Reporter: Aihua Xu
>            Assignee: Aihua Xu
>
> HIVE-7174 makes the avro schema change to match avro definition, while it breaks the
compatibility if the file is generated from the previous Hive. We should allow to read old
file format "precision" : "4", "scale": "8", but write in the new format.



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