[newfeature]: alias + constraints

[leblancmeneses]

Aliasing docs state "When evaluating constraints, only the first name counts."

I missed the statement above when working through this sample:

Quantity: 0, 2, 1|3|4|5
Quantity1: <Quantity>
Quantity2: <Quantity>


If [Quantity2] > [Quantity1]
  THEN [Quantity2] = [Quantity1];

results in 11 rows:

Quantity,Quantity1,Quantity2
2,2,1
2,0,0
0,2,0
2,2,2
1,0,0
0,0,0
0,1,3 -- unexpected; 0,1,1 or  0,1,0 would have worked.
2,3,0
3,2,2
4,4,4
0,2,2

The only way I know to fix this is to remove the alias: Quantity: 0, 2, 1,3,4,5
which explodes the results to 48 but my constraint is kept intact.

A warning that a constraint was ignored due to an alias rule would be a welcomed change.
However, given it is an alias why couldn't the row be mutated so that it met my constraint?