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From "Knut Anders Hatlen (JIRA)" <derby-...@db.apache.org>
Subject [jira] Created: (DERBY-1014) Make tests less sensitive to pre-fetching
Date Tue, 21 Feb 2006 13:39:24 GMT
Make tests less sensitive to pre-fetching
-----------------------------------------

         Key: DERBY-1014
         URL: http://issues.apache.org/jira/browse/DERBY-1014
     Project: Derby
        Type: Sub-task
  Components: Test  
    Reporter: Knut Anders Hatlen
 Assigned to: Knut Anders Hatlen 
    Priority: Minor


Some tests are very sensitive to changes in pre-fetching, either
because they call SYSCS_UTIL.SYSCS_GET_RUNTIMESTATISTICS() which
displays the number of rows seen, or because a failure that normally
is exposed when calling ResultSet.next() is exposed when calling
Statement.execute().

Most of these tests are not testing when or how much data is
pre-fetched. If we make the tests less sensitive to pre-fetching, it
is easier to catch the real regressions when changing the way Derby is
pre-fetching data. Also, patches in that area of the code will be
smaller (fewer test changes) and easier to review.

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