*/
private void processWhereForComponent(Component affectedComponent, Expression whereCompExpr) {
if (whereCompExpr != null) {
// first get the current schema of the component
final TupleSchema tupleSchema = _compCost.get(affectedComponent.getName()).getSchema();
final NameWhereVisitor whereVisitor = new NameWhereVisitor(tupleSchema,
affectedComponent);
whereCompExpr.accept(whereVisitor);
attachWhereClause(affectedComponent, whereVisitor.getSelectOperator());
}
}