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Posted to issues@hive.apache.org by "Janaki Lahorani (JIRA)" <ji...@apache.org> on 2018/09/04 22:51:00 UTC

[jira] [Updated] (HIVE-20437) Handle schema evolution from float, double and decimal

     [ https://issues.apache.org/jira/browse/HIVE-20437?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Janaki Lahorani updated HIVE-20437:
-----------------------------------
    Attachment: HIVE-20437.2.patch

> Handle schema evolution from float, double and decimal
> ------------------------------------------------------
>
>                 Key: HIVE-20437
>                 URL: https://issues.apache.org/jira/browse/HIVE-20437
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Janaki Lahorani
>            Assignee: Janaki Lahorani
>            Priority: Major
>         Attachments: HIVE-20437.1.patch, HIVE-20437.2.patch
>
>
> When data created as float, double or decimal in parquet format is read back using some other type, errors are seen.  Parquet should behave just like any other format.  If the value is valid for the new type, data is retuned otherwise null has to be returned.  



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