[GitHub] madlib issue #249: RF: Use NULL::integer[] when no continuous features

[fmcquillan99]

Github user fmcquillan99 commented on the issue:

    https://github.com/apache/madlib/pull/249
  
    See https://issues.apache.org/jira/browse/MADLIB-1219 for results from my 
tests.
    
    LGTM



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