[jira] [Commented] (HIVE-9385) Sum a Double using an ORC table

["Amruth S (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HIVE-9385?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15335822#comment-15335822 ] 

Amruth S commented on HIVE-9385:
--------------------------------

We are using hive 1.2.1 and facing the same issue. I feel this is related to vectorisation. If I disable vectorization, I get the exact sum on a double column.

Is this bug occuring in hive 2.0 also?

> Sum a Double using an ORC table
> -------------------------------
>
>                 Key: HIVE-9385
>                 URL: https://issues.apache.org/jira/browse/HIVE-9385
>             Project: Hive
>          Issue Type: Bug
>    Affects Versions: 0.13.1
>         Environment: HDP 2.x, Hive
>            Reporter: Nick Martin
>            Priority: Minor
>
> I’m storing a sales amount column as a double in an ORC table and when I do:
> {code:sql}
> select sum(x) from sometable
> {code}
> I get a value like {{4.79165141174808E9}}
> A visual inspection of the column values reveals no glaring anomalies…all looks pretty normal. 
> If I do the same thing in a textfile table I get a perfectly fine aggregation of the double field.



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