Le jeudi 19 juin 2014 22:07:14 UTC+3, Michael Bayer a écrit :
So to the extent that "1.0 * num / den" is a column-based expression you
> like to use in your query, it's a good candidate for a hybrid or
> column_property (deferred one in case you don't want to load it
> unconditionally). But
Le jeudi 19 juin 2014 16:10:19 UTC+3, Michael Bayer a écrit :
>
>
> On 6/19/14, 4:09 AM, Mike Solomon wrote:
> >
> >
> >
> > It's difficult to issue a straight SQL string for the hybrid property
> > itself because
>
>
> sorry, I meant, p
not looking deeply but the hybrid you have in prop_3 doesn't seem to have
> any relationship to the base set of rows you're getting from "fractions".
> it returns multiple rows because statement2 isn't using any aggregates.
>
> How about a straight SQL string? what SQL do you expect? these a
Le mercredi 18 juin 2014 22:03:33 UTC+3, Michael Bayer a écrit :
>
>
>
> if you can show the SQL you expect that would help. it seems in your SO
> question you want a subquery, you'd have to define that:
>
> class Holder(..):
> some_prop = column_property(select([func.max(1 * col1 / col2
Hey all,
First and foremost, thank you for this wonderful library! This is my first
post to the list and I am very grateful for those who have taken the time
to make sqlalchemy.
I am using SQLalchemy as a backend for an object-oriented language I am
developing. The way it works is that it is
