Re: returning a record from a function?
От | Roberto Mello |
---|---|
Тема | Re: returning a record from a function? |
Дата | |
Msg-id | 20020225145957.GC24707@cc.usu.edu обсуждение исходный текст |
Ответ на | returning a record from a function? ("Jon Obuchowski" <jon_obuchowski@terc.edu>) |
Список | pgsql-sql |
On Sun, Feb 24, 2002 at 10:33:40PM -0500, Jon Obuchowski wrote: > > My attempts to do so look like the following code (with table "foo"): > > CREATE FUNCTION get_newest_foo () > RETURNS foo AS ' > SELECT * > FROM foo > WHERE foo_id = > (select MAX(foo_id) FROM foo); > ' LANGUAGE 'sql'; In the case above, wouldn't it be better if implemented as a VIEW? CREATE VIEW newest_foo AS SELECT * FROM fooWHERE foo_id = (select MAX(foo_id) FROM foo); SELECT * FROM newest_foo; > Any help with this is appreciated; if I am simply overlooking relevant > documentation I'd appreciate being pointed towards the relevant page. I think you're looking for the "setof" return type for SQL functions? See the CREATE FUNCTION reference. Also, I just sent a reply about returning rows from non-SQL functions that you might be interested in. -Roberto -- +----| http://fslc.usu.edu/ USU Free Software & GNU/Linux Club |------+ Roberto Mello - Computer Science, USU - http://www.brasileiro.net/ http://www.sdl.usu.edu/ - Space Dynamics Lab, Developer */ \* <- Tribbles having a swordfight
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