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From "Andrew McIntyre (JIRA)" <j...@apache.org>
Subject [jira] Created: (DERBY-2500) Assertion failure preparing query with AND and OR in where clause
Date Wed, 28 Mar 2007 23:32:25 GMT
Assertion failure preparing query with AND and OR in where clause
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                 Key: DERBY-2500
                 URL: https://issues.apache.org/jira/browse/DERBY-2500
             Project: Derby
          Issue Type: Bug
          Components: SQL
    Affects Versions: 10.3.0.0
            Reporter: Andrew McIntyre


See commented out test in DistinctTest, DistinctTest.testResultSetInOrderWhenUsingIndex.

The actual assert is:

ASSERT FAILED Found IN-list probing (NLR.LUSERNAME = <expr>) while generating HASH join,
which should not happen.

I was able to simplify the query a little:

SELECT DISTINCT nb.name AS name, nb.summary AS summary FROM netbutton1 nb, netbuttonlibraryrole1
nlr, library_netbutton ln WHERE nlr.netbuttonlibrary_id = ln.netbuttonlibrary_id AND (nlr.lusername
= ? OR nlr.lusername =?)

Removing nlr.netbuttonlibrary_id = ln.netbuttonlibrary_id clause but leaving the 'nb.lname
= ln.lname' in front of the AND did not reproduce the problem.

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