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From "Brandon Williams (JIRA)" <j...@apache.org>
Subject [jira] [Created] (CASSANDRA-4797) range queries can return incorrect results
Date Thu, 11 Oct 2012 22:57:03 GMT
Brandon Williams created CASSANDRA-4797:
-------------------------------------------

             Summary: range queries can return incorrect results
                 Key: CASSANDRA-4797
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-4797
             Project: Cassandra
          Issue Type: Bug
          Components: Core
            Reporter: Brandon Williams
             Fix For: 1.2.0


I've only seen this fail once, but it's quite obviously returning incorrect results since
the query is "SELECT * FROM clicks WHERE userid >= 2 LIMIT 1" and it's getting userid 0
in return.

{noformat}
======================================================================
FAIL: cql_tests.TestCQL.limit_ranges_test
Validate LIMIT option for 'range queries' in SELECT statements
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/usr/lib/pymodules/python2.7/nose/case.py", line 183, in runTest
    self.test(*self.arg)
  File "/var/lib/buildbot/cassandra-dtest/tools.py", line 187, in wrapped
    f(obj)
  File "/var/lib/buildbot/cassandra-dtest/cql_tests.py", line 302, in limit_ranges_test
    assert res == [[ 2, 'http://foo.com', 42 ]], res
AssertionError: [[0, u'http://foo.com', 42]]
{noformat}

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