// Get the cost estimate for the child
// RESOLVE - we will eventually include the cost of the sort
CostEstimate costEstimate = child.getFinalCostEstimate();
mb.push(costEstimate.rowCount());
mb.push(costEstimate.getEstimatedCost());
mb.callMethod(VMOpcode.INVOKEINTERFACE, (String) null, "getSortResultSet",
ClassName.NoPutResultSet, 9);