[jira] [Created] (ORC-617) Provide facility to read ORC data from FSDataInputStream, not only from Path.

["Paul Finkelshteyn (Jira)" <ji...@apache.org>]

Paul Finkelshteyn created ORC-617:
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             Summary: Provide facility to read ORC data from FSDataInputStream, not only from Path.
                 Key: ORC-617
                 URL: https://issues.apache.org/jira/browse/ORC-617
             Project: ORC
          Issue Type: Improvement
            Reporter: Paul Finkelshteyn


I've met following issue: I need to partially read ORC file, say first 1000 rows.
Currently I can't use OrcFile class for that because it needs local file. But in reality it should be enough to have FSDataInputStream.

_*Motivation:*_ I want to read this data not only from local file system or HDFS but also from, say, S3. It has abiity to open read stream at any needed position so it's super-easy to implement adapter for it to FSDataInputStream.



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