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From "Tim Armstrong (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (IMPALA-43) Impala needs to log numeric overflow errors
Date Tue, 04 Apr 2017 15:53:41 GMT

     [ https://issues.apache.org/jira/browse/IMPALA-43?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Tim Armstrong resolved IMPALA-43.
---------------------------------
    Resolution: Duplicate

> Impala needs to log numeric overflow errors
> -------------------------------------------
>
>                 Key: IMPALA-43
>                 URL: https://issues.apache.org/jira/browse/IMPALA-43
>             Project: IMPALA
>          Issue Type: Improvement
>          Components: Backend
>    Affects Versions: Impala 0.1, Impala 1.3, Impala 1.4, Impala 2.0, Impala 2.1, Impala
2.2
>            Reporter: Nong Li
>            Priority: Minor
>              Labels: ramp-up, supportability, usability
>
> Impala should log when values overflow.  We probably don't want to log each value, that
could be very many values.
> This is most useful on the scanner path.  For example, we had one table where the schema
was int (int32) when it should have been bigint (int64).  This resulted in a hard to diagnose
duplicate unique id issue.  It would have been much better if we just logged something like
"1 billion values overflowed for col x"



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