rs = activation.getTargetVTI();
ExecRow row = getNextRowCore(sourceResultSet);
if( null != row)
rowLocationColumn = row.nColumns();
if (!firstExecute)
lcc.getStatementContext().setTopResultSet(this, subqueryTrackingArray);
/* The source does not know whether or not we are doing a
* deferred mode insert. If we are, then we must clear the