You are viewing a plain text version of this content. The canonical link for it is here.

Posted to dev@parquet.apache.org by "Alex Levenson (JIRA)" <ji...@apache.org> on 2015/05/20 04:37:01 UTC

[jira] [Resolved] (PARQUET-283) Parquet-Thrift does not handle dropping values in a map

     [ https://issues.apache.org/jira/browse/PARQUET-283?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Alex Levenson resolved PARQUET-283.
-----------------------------------
    Resolution: Fixed

> Parquet-Thrift does not handle dropping values in a map
> -------------------------------------------------------
>
>                 Key: PARQUET-283
>                 URL: https://issues.apache.org/jira/browse/PARQUET-283
>             Project: Parquet
>          Issue Type: Bug
>          Components: parquet-mr
>            Reporter: Alex Levenson
>            Assignee: Alex Levenson
>
> Thrift does not have a notion of null, and it does not treat map values as optional. We need to apply the same trick as we do for unions to map values -- keep at least 1 primitive column even when the values of the map are not requested.



--
This message was sent by Atlassian JIRA
(v6.3.4#6332)