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Posted to issues@impala.apache.org by "Zoltán Borók-Nagy (JIRA)" <ji...@apache.org> on 2018/08/06 08:41:00 UTC

[jira] [Resolved] (IMPALA-5542) Impala cannot scan Parquet decimal stored as int64_t/int32_t

     [ https://issues.apache.org/jira/browse/IMPALA-5542?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Zoltán Borók-Nagy resolved IMPALA-5542.
---------------------------------------
       Resolution: Fixed
    Fix Version/s: Impala 3.1.0

> Impala cannot scan Parquet decimal stored as int64_t/int32_t
> ------------------------------------------------------------
>
>                 Key: IMPALA-5542
>                 URL: https://issues.apache.org/jira/browse/IMPALA-5542
>             Project: IMPALA
>          Issue Type: Sub-task
>          Components: Backend
>    Affects Versions: Impala 2.10.0
>            Reporter: Tim Armstrong
>            Assignee: Zoltán Borók-Nagy
>            Priority: Major
>              Labels: parquet
>             Fix For: Impala 3.1.0
>
>
> This is supported according to the Parquet spec (https://github.com/Parquet/parquet-format/blob/master/LogicalTypes.md#decimal) but wasn't widely used. For some reason Spark decided to start writing this out as the default (see SPARK-20297) so we will likely start seeing this at some point.



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