input3_limit.q fails under 0.17
-------------------------------

                 Key: HIVE-276
                 URL: https://issues.apache.org/jira/browse/HIVE-276
             Project: Hadoop Hive
          Issue Type: Bug
            Reporter: Zheng Shao


The plan ql/src/test/results/clientpositive/input3_limit.q.out shows that there 
are 2 map-reduce jobs:

The first one is distributed and sorted as is specified by the query. The 
reducer side has LIMIT 20.

The second one (single reducer job imposed by LIMIT 20) does not have the same 
sort order, so the final result is non-deterministic.


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