Re: SQL query question
От | Jonel Rienton |
---|---|
Тема | Re: SQL query question |
Дата | |
Msg-id | 7790df0d6e3c7934648612d461bb95a5@road14.com обсуждение исходный текст |
Ответ на | SQL query question ("Uwe C. Schroeder" <uwe@oss4u.com>) |
Список | pgsql-general |
Hi Uwe, I did a solution for you using PLPgSQL, create or replace function countem() returns varchar as $$ declare gcount integer; xcount integer; result varchar; begin select count(*) into gcount from pix where image_type = 'G'; select count(*) into xcount from pix where image_type = 'X'; select gcount || ', ' || xcount into result; return result; end; $$ LANGUAGE plpgsql; hope this helps, it's simple and always, there's another (better) solution it's my first stab at plpgsql so please bear with me. ----- Jonel Rienton http://blogs.road14.com Software Developer, *nix Advocate On Feb 3, 2005, at 1:32 AM, Uwe C. Schroeder wrote: > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 > > > Maybe it's to late for me to think correctly (actually I'm sure of > that). I'm > going to ask anyways. > I have a table like > > id int4 > user_id int4 > photo varchar > image_type char(1) > > where image_type is either G or X > What I want to do is have ONE query that gives me the count of images > of each > type per user_id. > So if user 3 has 5 photos of type G and 3 photos of type X > I basically want to have a result 5,3 > It got to be possible to get a query like that, but somehow it eludes > me > tonight. > > Any pointers are greatly appreciated. > > UC > > - -- > Open Source Solutions 4U, LLC 2570 Fleetwood Drive > Phone: +1 650 872 2425 San Bruno, CA 94066 > Cell: +1 650 302 2405 United States > Fax: +1 650 872 2417 > -----BEGIN PGP SIGNATURE----- > Version: GnuPG v1.2.3 (GNU/Linux) > > iD8DBQFCAdOMjqGXBvRToM4RApgvAJsEUsdl6hrVGqRwJ+NI7JrqQqQ5GgCgkTQN > pavTkx47QUb9nr7XO/r/v5k= > =B3DH > -----END PGP SIGNATURE----- > > > ---------------------------(end of > broadcast)--------------------------- > TIP 2: you can get off all lists at once with the unregister command > (send "unregister YourEmailAddressHere" to > majordomo@postgresql.org) >
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