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Re: Type identification with libpq / PQFmod() when using aggregates (SUM) - Mailing list pgsql-interfaces

From Tom Lane
Subject Re: Type identification with libpq / PQFmod() when using aggregates (SUM)
Date
Msg-id 12496.1397484060@sss.pgh.pa.us
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In response to Type identification with libpq / PQFmod() when using aggregates (SUM)  (Sebastien FLAESCH <sf@4js.com>)
Responses Re: Type identification with libpq / PQFmod() when using aggregates (SUM)
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Sebastien FLAESCH <sf@4js.com> writes:
> But when using an aggregate function like SUM(), PQfmode() function returns
> "no information available" (-1) ...

> Is the type of the result of an aggregate function (or even more complex
> expressions) not known by the server?

That's correct.
        regards, tom lane

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