ElseIF in PLPGSQL
От | denis@coralindia.com |
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Тема | ElseIF in PLPGSQL |
Дата | |
Msg-id | 010101c1c033$74da1940$0232a8c0@coralindia.com обсуждение исходный текст |
Ответ на | Stored Procedures and Return Type (Clinton Adams <clinton@vote-smart.org>) |
Ответы |
Re: ElseIF in PLPGSQL
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Список | pgsql-novice |
Hi all, I have created one function and i want to use IF .........do something... ELSEIF .........do something... ELSE .........do something... END IF; My ELSEIF condition is TRUE but still it goes into ELSE condition ??? Is this a problem or ??? Thanx Denis ----- Original Message ----- From: "Clinton Adams" <clinton@vote-smart.org> To: <pgsql-novice@postgresql.org> Sent: Thursday, February 28, 2002 6:18 AM Subject: [NOVICE] Stored Procedures and Return Type > Hello, > > What would be the rtype for a function to return tuples selected over more > than one table? The closest I can find is setof but this rtype is for all > columns of only one table. > > Example: > > states > state_id integer > state_name varchar > state_abbreviation char(2) > > districts > district_id integer > state_id integer > district_name varchar > > > CREATE OR REPLACE FUNCTION districts(varchar, varchar) RETURNS ???? AS ' > SELECT state_name, districtname FROM states s, districts d > WHERE s.state_id = d.state_id AND s.state_name = $1 AND d.district_name = $2; > ' LANGUAGE 'sql'; > > > > > ---------------------------(end of broadcast)--------------------------- > TIP 3: if posting/reading through Usenet, please send an appropriate > subscribe-nomail command to majordomo@postgresql.org so that your > message can get through to the mailing list cleanly
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