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From "Sergey Shelukhin (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-15989) Incorrect rounding in decimal data types
Date Tue, 21 Feb 2017 21:10:44 GMT

    [ https://issues.apache.org/jira/browse/HIVE-15989?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15876722#comment-15876722
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Sergey Shelukhin commented on HIVE-15989:
-----------------------------------------

Is ORC file column decimal, double, or something else? You should use a matching type. So
many 3-s won't fit into decimal(38,38), so I wonder if it's some other type.

Also, to rule out the tools/JDBC/... enforcing some arbitrary limit, if you save query results
via "insert overwrite directory", does it still happen? [~prasanth_j] is there some convenient
way to dump a record/records from ORC file without going thru Hive.


> Incorrect rounding in decimal data types
> ----------------------------------------
>
>                 Key: HIVE-15989
>                 URL: https://issues.apache.org/jira/browse/HIVE-15989
>             Project: Hive
>          Issue Type: Bug
>          Components: Database/Schema
>            Reporter: Nikesh
>            Priority: Critical
>
> I have a numeric field in a file in my data lake and created a hive external table pointing
to this field. The field value is 0.3333333333333333333333333333333333333333 but when I fetched
this record using the query it display only 0.3333333333333333. I tried using DECIMAL and
DOUBLE data types but nothing worked.is this a bug or am I not using the exact data type for
this?
> Thanks,
> NIkesh



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