That makes sense. I was assuming that the WHERE clause with reference to
expr.columns would involve some subquery magic, but granted, this is not
easy to do in the general case (especially considering that with dotted
composition the evaluation is done backwards ;-)).
Thanks for your proposition;
On 01/02/2017 11:14 AM, tvial wrote:
Hi and a happy new year to all :)
I am having trouble applying a WHERE clause to a chained SELECT
expression, by referencing the columns of the expression itself. Hard to
put in words, it's better to give an example:
|
fromsqlalchemy importcreate_engine
fr
Hi and a happy new year to all :)
I am having trouble applying a WHERE clause to a chained SELECT expression,
by referencing the columns of the expression itself. Hard to put in words,
it's better to give an example:
from sqlalchemy import create_engine
from sqlalchemy import Table, Column, Int
