Dom Dom <[EMAIL PROTECTED]> wrote:
> Igor Tandetnik <[EMAIL PROTECTED]> writes:
>
>> Would it be possible to get SQLAlchemy to cast to REAL, FLOAT or
>> DOUBLE rather than NUMERIC?
>
> Hello Igor,
> Thanks for answering.
>
>> Casting to NUMERIC leaves integers as integers;
>> basically, it's a no-op in your query.
>
> Are you sure ?
Yes.
>
> When I do in my Query1 10/2, it gives 5. Fine
> If I do 11/2, it gives 5 and not 5.5. It seems it's a classic problem
> of division.
I don't see a contradiction between this and my statement.
Compare and contrast:
select
11 / 2,
11.0 / 2,
11 / 2.0,
cast(11 as real) / 2,
cast(11 as numeric) / 2;
Exercise for the reader: run this statement in SQLite, explain its
output. Discuss.
Igor Tandetnik
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