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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (AVRO-1858) Update DataFileReadTool (tojson) to support a "head" concept
Date Mon, 06 Jun 2016 14:52:21 GMT

    [ https://issues.apache.org/jira/browse/AVRO-1858?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15316597#comment-15316597
] 

ASF GitHub Bot commented on AVRO-1858:
--------------------------------------

GitHub user MikeHurleySurescripts opened a pull request:

    https://github.com/apache/avro/pull/100

    AVRO-1858 add tojson head mode

    

You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/MikeHurleySurescripts/avro AVRO-1858-ToJson-HeadMode

Alternatively you can review and apply these changes as the patch at:

    https://github.com/apache/avro/pull/100.patch

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #100
    
----
commit f0c8e8b2bdf68d324e3fcc1d30e255f810707dec
Author: Mike Hurley <mike.hurley@surescripts.com>
Date:   2016-06-03T20:39:33Z

    AVRO-1858: added --head option to the tojson operation

commit fa7dc3aaa260ab6b89095f890ab081aa31beae43
Author: Mike Hurley <mike.hurley@surescripts.com>
Date:   2016-06-06T14:46:53Z

    AVRO-1858: added unit tests for tojson --head option

----


> Update DataFileReadTool (tojson) to support a "head" concept
> ------------------------------------------------------------
>
>                 Key: AVRO-1858
>                 URL: https://issues.apache.org/jira/browse/AVRO-1858
>             Project: Avro
>          Issue Type: Improvement
>          Components: java
>    Affects Versions: 1.8.1
>            Reporter: Mike Hurley
>
> It would be nice if the tojson operator supported a "head" concept in order to get a
sampling of records in an Avro file.
> Allow specifying a maximum record count to display. If no max is given in head mode,
use a reasonable default (like 10).



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