DERBY-6668: Forbid TRUNCATE on tables referenced by deferred foreign keys; commit derby-6668-01-ab-disallowTruncateOnReferencedTable.diff.

git-svn-id: https://svn.apache.org/repos/asf/db/derby/code/trunk@1611342 13f79535-47bb-0310-9956-ffa450edef68