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From "Jim McStanton (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CRUNCH-632) Add compression support for CSVFileSource
Date Mon, 16 Jan 2017 14:51:26 GMT

    [ https://issues.apache.org/jira/browse/CRUNCH-632?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15824105#comment-15824105
] 

Jim McStanton commented on CRUNCH-632:
--------------------------------------

[~mkwhitacre] absolutely, thanks for the quick response on this. It may be a few days before
I have a chance to do so though, hopefully I'll have a chance by Wednesday afternoon.

> Add compression support for CSVFileSource
> -----------------------------------------
>
>                 Key: CRUNCH-632
>                 URL: https://issues.apache.org/jira/browse/CRUNCH-632
>             Project: Crunch
>          Issue Type: Improvement
>            Reporter: Jim McStanton
>            Assignee: Micah Whitacre
>            Priority: Minor
>         Attachments: CRUNCH-632b.patch, CRUNCH-632.patch
>
>
> Currently CSVFileSource does not support decompressing files before reading them, and
simply opens the file and starts reading the contents: https://github.com/apache/crunch/blob/6280983179e9c690af69c2bf0e296b054122d724/crunch-core/src/main/java/org/apache/crunch/io/text/csv/CSVRecordReader.java#L127.

> This source would more closely match TextFileSource if this support was added. The {{LineRecordReader}}
supports this behavior [here|http://grepcode.com/file/repo1.maven.org/maven2/org.apache.hadoop/hadoop-mapreduce-client-core/2.7.1/org/apache/hadoop/mapreduce/lib/input/LineRecordReader.java?av=f#87].




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