Re: Type identification with libpq / PQFmod() when using aggregates (SUM)
Sebastien FLAESCH <[email protected]> Mon, 14 Apr 2014 16:24:19 +0200
| Newsgroups | gmane.comp.db.postgresql.interfaces |
|---|---|
| Organization | Four Js Development Tools |
| Message-ID | <[email protected]> |
On 04/14/2014 04:01 PM, Tom Lane wrote: > Sebastien FLAESCH <[email protected]> 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. Thank you Tom, but then, IMHO, it should be considered as a request... Some client applications (which do a bit more than just displaying the result string of query columns) need that information, for ex to do data conversions, automatic formatting, etc. Seb -- Sent via pgsql-interfaces mailing list ([email protected]) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-interfaces