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https://issues.apache.org/jira/browse/HIVE-13251?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15193423#comment-15193423
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Aihua Xu commented on HIVE-13251:
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dec_old.avro is binary. Seems we had issue to apply patch for such file as I
found from other jira in HIVE-5823.
I will do the same. I have verified the avro_decimal_old.q passed locally.
Commit instructions:
1. add attachment dec.avro to data/files folder
2. apply attached patch.
3. commit
> 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
> Attachments: HIVE-13251.1.patch
>
>
> 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
> although the file schema from the file for such decimal is not correct based
> on avro definition. We should allow to read old file format "precision" :
> "4", "scale": "8", but when we write, we should write in the new format.
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