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From "Knut Anders Hatlen (JIRA)" <j...@apache.org>
Subject [jira] Created: (DERBY-4387) Infinite loop in PredicateList.joinClauseTransitiveClosure()
Date Fri, 25 Sep 2009 12:36:16 GMT
Infinite loop in PredicateList.joinClauseTransitiveClosure()
------------------------------------------------------------

                 Key: DERBY-4387
                 URL: https://issues.apache.org/jira/browse/DERBY-4387
             Project: Derby
          Issue Type: Bug
          Components: SQL
    Affects Versions: 10.5.3.0, 10.4.2.0, 10.3.3.0, 10.2.2.0, 10.1.3.1, 10.0.2.1, 10.6.0.0
            Reporter: Knut Anders Hatlen


This sequence of statements triggers an infinite loop in PredicateList.joinClauseTransitiveClosure()
and never completes:

create table c (a int, b int, c int);
create table cc (aa int);

select * from cc t1, c t2, cc t3 where t3.aa = t2.a and t3.aa = t2.b and t3.aa = t2.c;

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