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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (DRILL-5323) Provide test tools to create, populate and compare row sets
Date Thu, 20 Apr 2017 07:00:13 GMT

    [ https://issues.apache.org/jira/browse/DRILL-5323?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15976201#comment-15976201
] 

ASF GitHub Bot commented on DRILL-5323:
---------------------------------------

Github user sohami commented on the issue:

    https://github.com/apache/drill/pull/785
  
    Thanks for the changes, LGTM.
    +1


> Provide test tools to create, populate and compare row sets
> -----------------------------------------------------------
>
>                 Key: DRILL-5323
>                 URL: https://issues.apache.org/jira/browse/DRILL-5323
>             Project: Apache Drill
>          Issue Type: Sub-task
>          Components: Tools, Build & Test
>    Affects Versions: 1.11.0
>            Reporter: Paul Rogers
>            Assignee: Paul Rogers
>             Fix For: 1.11.0
>
>
> Operators work with individual row sets. A row set is a collection of records stored
as column vectors. (Drill uses various terms for this concept. A record batch is a row set
with an operator implementation wrapped around it. A vector container is a row set, but with
much functionality left as an exercise for the developer. And so on.)
> To simplify tests, we need a {{TestRowSet}} concept that wraps a {{VectorContainer}}
and provides easy ways to:
> * Define a schema for the row set.
> * Create a set of vectors that implement the schema.
> * Populate the row set with test data via code.
> * Add an SV2 to the row set.
> * Pass the row set to operator components (such as generated code blocks.)
> * Compare the results of the operation with an expected result set.
> * Dispose of the underling direct memory when work is done.



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