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https://issues.apache.org/jira/browse/PIG-2746?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13292698#comment-13292698
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Harsh J commented on PIG-2746:
------------------------------
Should be doable in 0.20/1.0 at least via using the Path over the registered
codec factory:
{code}
CompressionCodecFactory cf = new CompressionCodecFactory(getConf());
CompressionCodec codec = cf.getCodec(p);
{code}
I'll have to test this one's validity cross-versions (1 vs. 2) and then post a
patch.
> 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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