DERBY-5667; testReadCommitted(org.apache.derbyTesting.functionTests.tests.store.UpdateLocksTest)junit.framework.AssertionFailedError: Missing rows in ResultSet
   further improving error message in assert, and avoiding error message re table exists if a test case fails


git-svn-id: https://svn.apache.org/repos/asf/db/derby/code/trunk@1567787 13f79535-47bb-0310-9956-ffa450edef68
DERBY-6464: Improve the encapsulation of ResultSetNode; commit derby-6464-04-ac-ResultSetNode.diff.

git-svn-id: https://svn.apache.org/repos/asf/db/derby/code/trunk@1568436 13f79535-47bb-0310-9956-ffa450edef68
DERBY-6256: Modernize the vti demos and eliminate many obsolete classes; commit derby-6256-06-aa-revampVTIdemos.diff.

git-svn-id: https://svn.apache.org/repos/asf/db/derby/code/trunk@1568509 13f79535-47bb-0310-9956-ffa450edef68
DERBY-896: Allow casts from DATE and TIME to TIMESTAMP

git-svn-id: https://svn.apache.org/repos/asf/db/derby/code/trunk@1568924 13f79535-47bb-0310-9956-ffa450edef68