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From "Knut Anders Hatlen (JIRA)" <j...@apache.org>
Subject [jira] Created: (DERBY-4378) Create test cases for MultiProbeTableScanResultSet with duplicates in the probe list
Date Wed, 16 Sep 2009 15:42:02 GMT
Create test cases for MultiProbeTableScanResultSet with duplicates in the probe list
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                 Key: DERBY-4378
                 URL: https://issues.apache.org/jira/browse/DERBY-4378
             Project: Derby
          Issue Type: Improvement
          Components: Test
    Affects Versions: 10.6.0.0
            Reporter: Knut Anders Hatlen
            Priority: Minor


See the coverage report for MultiProbeTableScanResultSet: http://dbtg.foundry.sun.com/derby/test/coverage/jvm1.6/sol/suitesAll82289/_files/401.html

There are three red lines (lines that are not exercised by the tests).

Adding a test case where the probe list contains duplicate values will exercise the first
red line in getNextProbeValue().

If the duplicates are also the last elements in the probe list, the other two red lines (in
getNextProbeValue() and reopenScanController()) will be exercised too.

Note that MultiProbeTableScanResultSet will sort the probe list, so the last element in the
probe list is not necessarily identical to the last element in the query's IN list. It will
also remove duplicates at compile time, if possible, so the IN list needs to contain parameters.

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