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Posted to issues@tajo.apache.org by "Hyunsik Choi (JIRA)" <ji...@apache.org> on 2014/08/13 08:09:12 UTC

[jira] [Created] (TAJO-1004) UniformRangePartition cannot deal with unicode ranges

Hyunsik Choi created TAJO-1004:
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             Summary: UniformRangePartition cannot deal with unicode ranges
                 Key: TAJO-1004
                 URL: https://issues.apache.org/jira/browse/TAJO-1004
             Project: Tajo
          Issue Type: Bug
            Reporter: Hyunsik Choi
             Fix For: 0.9.0


UniformRangePartition plays a role to divide a given range into multiple sub ranges. It is used for range shuffle.

When UniformRangePartition divides a range of text fields, it Internally transforms arrays of bytes into unsigned integer. But, a byte represent -127 to 127, and unicode is out of range in byte representation. So, the current approach can cause errors in this case.



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