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From "Knut Anders Hatlen (JIRA)" <j...@apache.org>
Subject [jira] Created: (DERBY-4391) NullPointerException when comparing indexed column with result from a set operation
Date Wed, 30 Sep 2009 11:26:32 GMT
NullPointerException when comparing indexed column with result from a set operation
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                 Key: DERBY-4391
                 URL: https://issues.apache.org/jira/browse/DERBY-4391
             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, 10.6.0.0
            Reporter: Knut Anders Hatlen


I'm reporting this issue on behalf of Bernt M. Johnsen.

If an indexed column is compared with a UNION query (or some other set operation), a NullPointerException
is raised, as can be seen by this sequence of statements in ij:

ij> create table t(a int not null primary key, b int);
0 rows inserted/updated/deleted
ij> select * from t where a < (values 4 union values 4);
ERROR XJ001: Java exception: ': java.lang.NullPointerException'.

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