DERBY-6045 (in list multi-probe by primary key not chosen on tables with >256 rows)

Commiting a test showing that we use index scan for DELETE statement on a table with appropriate indexes. This happens with or without update statistics and with or without parameterized statement.



git-svn-id: https://svn.apache.org/repos/asf/db/derby/code/trunk@1479607 13f79535-47bb-0310-9956-ffa450edef68