if (!emptyRow)
replacement = new NullSource();
else {
// set iTinstance types? No.
replacement = new ExpressionsSource(Collections.singletonList(Collections.<ExpressionNode>emptyList()));
ResolvingVisitor visitor = (ResolvingVisitor) TypeResolver.getResolver(planContext);
if (visitor != null) visitor.visitLeave(replacement);
}
inOutput.replaceInput(toReplace, replacement);
}
}