That worked, thanks.
On Mar 30, 7:40 am, Mariano Mara <mariano.m...@gmail.com> wrote:
> Excerpts from Bryan's message of Tue Mar 30 11:27:57 -0300 2010:
>
> > The underlying column returns a Decimal object when queried regularly,
> > and when summed as follows:
>
> > select([ mytable.c.hours ])
> > >>>Decimal("1.0")
> > select([ func.sum(mytable.c.hours) ])
> > >>>Decimal("1.0")
>
> > ...but when I sum it w/ an if statement, it returns a float:
>
> > select([ func.sum(func.if_(True, mytable.c.hours, 0)) ])
> > >>>1.0
>
> > How can I control the return type of that summed if column?
>
> You could use cast [1] (example: casting to Float, untested):
>
> from sqlalchemy.sql.expression import cast
> from sqlalchemy.sa import Float
> ...
> select([ cast(func.sum(func.if_(True, mytable.c.hours, 0)), Float)])
>
> [1]http://www.sqlalchemy.org/docs/reference/sqlalchemy/expressions.html#...
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