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Posted to issues@orc.apache.org by "Xiening Dai (Jira)" <ji...@apache.org> on 2019/12/02 21:54:00 UTC

[jira] [Commented] (ORC-572) [C++] Examples about how to create and delete stripes or columns are desperately wanted

    [ https://issues.apache.org/jira/browse/ORC-572?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16986408#comment-16986408 ] 

Xiening Dai commented on ORC-572:
---------------------------------

What do you mean by creating/deleting strips and columns? We don't support creating and deleting a stripe through Orc reader/writer interface because stripe is an implementation detail within Orc. Columns are defined through Orc::Type and created by writer. We currently don't support deleting a column from existing Orc file.

> [C++] Examples about how to create and delete stripes or columns are desperately wanted
> ---------------------------------------------------------------------------------------
>
>                 Key: ORC-572
>                 URL: https://issues.apache.org/jira/browse/ORC-572
>             Project: ORC
>          Issue Type: Wish
>         Environment: Ubuntu 18.04
>            Reporter: Heisenberg
>            Priority: Major
>
> I am reading the code of ORC these days and I want to apply it in my project. The code of orc tools like orc-content and csv-import just shows part of the orc function. However, there are few examples about the c++ version of orc. 



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