Make tests less sensitive to pre-fetching
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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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