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Posted to commits@cassandra.apache.org by "Brandon Williams (JIRA)" <ji...@apache.org> on 2012/10/12 01:07:03 UTC
[jira] [Commented] (CASSANDRA-4797) range queries can return
incorrect results
[ https://issues.apache.org/jira/browse/CASSANDRA-4797?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13474604#comment-13474604 ]
Brandon Williams commented on CASSANDRA-4797:
---------------------------------------------
I take it back, this reproduces reliably.
> 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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