[jira] [Assigned] (PIG-2746) Pig doesn't detect all forms of compression extensions properly

["Harsh J (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/PIG-2746?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Harsh J reassigned PIG-2746:
----------------------------

    Assignee: Harsh J
    
> Pig doesn't detect all forms of compression extensions properly
> ---------------------------------------------------------------
>
>                 Key: PIG-2746
>                 URL: https://issues.apache.org/jira/browse/PIG-2746
>             Project: Pig
>          Issue Type: Bug
>    Affects Versions: 0.10.0
>            Reporter: Harsh J
>            Assignee: Harsh J
>
> The PigStorage has the following snippet.
> {code}
> private void setCompression(Path path, Job job) {
>      	String location=path.getName();
>         if (location.endsWith(".bz2") || location.endsWith(".bz")) {
>             FileOutputFormat.setCompressOutput(job, true);
>             FileOutputFormat.setOutputCompressorClass(job,  BZip2Codec.class);
>         }  else if (location.endsWith(".gz")) {
>             FileOutputFormat.setCompressOutput(job, true);
>             FileOutputFormat.setOutputCompressorClass(job, GzipCodec.class);
>         } else {
>             FileOutputFormat.setCompressOutput( job, false);
>         }
>     }
> {code}
> This limits it to only work with STORE filenames provided as 'output.gz' or 'output.bz2' and for the rest (like LZO) one has to specify codecs and manually enable compression.
> Ideally Pig can rely on Hadoop's extension-to-codec detector instead of having this ladder.

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