FYI, I've checked in a fix for bug 174680.
(Fix was provided by Quy On of IBM via patch file). I've set
the plugin version of org.eclipse.datatools.sqltools.data.ui to 188.8.131.52702201
to reflect the change.
SQL and XML Query Tools Development
IBM Silicon Valley Laboratory
(408) 463-2989, T/L 8-543-2989