Cannot express non-alphanumeric characters in partition filter expressions
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                 Key: HCATALOG-369
                 URL: https://issues.apache.org/jira/browse/HCATALOG-369
             Project: HCatalog
          Issue Type: Bug
    Affects Versions: 0.4
            Reporter: Alan Gates


If a partition value has a non-alphanumeric character, it is impossible to 
provide a filter that matches that partition value.  For example, if the filter 
description is {{b=abc%5C%27def}}, there's no way to specify that in a 
MapReduce or Pig job.  The ASCII URL escaping used by Hive to store the values 
should be supported.  Ideally Unicode escaping and traditional string escapes 
would work as well.

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