on a side note, here or for the query(), once i add .order_by() and 
similar, will be a possibility to remove/cancel them? 
e.g. .order_by(None) - similar to .join(None)?

or should i keep a copy at the point before adding .order_by()?

e.g.
 i want:
 q1 = query.filter( ...).order_by(z)    #the final most used query
 ...
 q2 = q1.order_by(None)    #used sometimes e.g. for count

vs
 i could do:
 q0 = query.filter( ...)     #saved
 q1 = q0.clone().order_by(z) #the final most used query
 ...
 q2 = q0                     #used sometimes e.g. for count

i know this above looks very similar, but in overall workflow, q1 and 
q2 can be separated very far away.

> I want to wake this thread up again.  can we get some arguments
> pro/ con to converting select() to work in a "generative" style ?

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