Mailing-List: contact issues-help@drill.apache.org; run by ezmlm
Precedence: bulk
Reply-To: dev@drill.apache.org
Date: Mon, 17 Apr 2017 05:36:42 +0000 (UTC)
From: "ASF GitHub Bot (JIRA)" <jira@apache.org>
To: issues@drill.apache.org
Message-ID: <JIRA.13048961.1488909560000.294055.1492407402409@Atlassian.JIRA>
In-Reply-To: <JIRA.13048961.1488909560000@Atlassian.JIRA>
References: <JIRA.13048961.1488909560000@Atlassian.JIRA> <JIRA.13048961.1488909560671@jira-lw-us.apache.org>
Subject: [jira] [Commented] (DRILL-5324) Provide simplified column
 reader/writer for use in tests
MIME-Version: 1.0
Content-Type: text/plain; charset=utf-8
Content-Transfer-Encoding: 7bit
archived-at: Mon, 17 Apr 2017 05:36:48 -0000


    [ https://issues.apache.org/jira/browse/DRILL-5324?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15970693#comment-15970693 ] 

ASF GitHub Bot commented on DRILL-5324:
---------------------------------------

Github user paul-rogers commented on the issue:

    https://github.com/apache/drill/pull/783
  
    Done. Also rebased on master.


> Provide simplified column reader/writer for use in tests
> --------------------------------------------------------
>
>                 Key: DRILL-5324
>                 URL: https://issues.apache.org/jira/browse/DRILL-5324
>             Project: Apache Drill
>          Issue Type: Sub-task
>          Components: Tools, Build & Test
>    Affects Versions: 1.11.0
>            Reporter: Paul Rogers
>            Assignee: Paul Rogers
>              Labels: ready-to-commit
>             Fix For: 1.11.0
>
>
> In support of DRILL-5323, we wish to provide a very easy way to work with row sets. See the comment section for examples of the target API.
> Drill provides over 100 different value vectors, any of which may be required to perform a specific unit test. Creating these vectors, populating them, and retrieving values, is very tedious. The work is so complex that it acts to discourage developers from writing such tests.
> To simplify the task, we wish to provide a simplified row set reader and writer. To do that, we need to generate the corresponding column reader and writer for each value vector. This ticket focuses on the column-level readers and writers, and the required code generation.
> Drill already provides vector readers and writers derived from {{FieldReader}}. However, these readers do not provide a uniform get/set interface that is type independent on the application side. Instead, application code must be aware of the type of the vector, something we seek to avoid for test code.
> The reader and writer classes are designed to be used in many contexts, not just for testing. As a result, their implementation makes no assumptions about the broader row reader and writer, other than that a row index and the required value vector are both available. 


--
This message was sent by Atlassian JIRA
(v6.3.15#6346)