cgivre opened a new pull request #2133:
URL: https://github.com/apache/drill/pull/2133


   # [DRILL-7834](https://issues.apache.org/jira/browse/DRILL-7834): Add 
Utility Functions for Compressed Files
   
   ## Description
   
   Some format plugins that use third party parsers throw errors when they 
receive compressed input streams from Drill.  This PR proposes to introduce 
three utility functions to the DrillFileSystem:
   * `isCompressed(<path>)`:  Returns true/false whether the input file is 
compressed
   * `getCodec(<path>)`  This method returns the codec of the file if any
   * `openDecompressedInputStream(<path>)`:  Returns an InputStream that should 
be readable by parsers that read raw bytes.  This method converts the original 
InputStream to a byte[] first, then returns that via a ByteArrayInputStream.
   
   ## Documentation
   No user facing changes.
   
   ## Testing
   Tested manually.


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