Re: SETOF
От | Christoph Haller |
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Тема | Re: SETOF |
Дата | |
Msg-id | 3E65E3C5.1D964F0D@rodos.fzk.de обсуждение исходный текст |
Ответ на | SETOF (Fernando <fernando@icreativa.com.mx>) |
Ответы |
Re: SETOF
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Список | pgsql-sql |
> > CREATE FUNCTION ejem1(varchar) RETURNS SETOF to varchar as'=20 > SELECT names from mi_tabla WHERE city =3D $1; '=20 > language ' SQL ';=20 > > ejem1=20 > ------------ > Sergio=20 > Carlos=20 > Fernando=20 > > When wanting to obtain several columns I do this...=20 > > CREATE FUNCTION ejem2(varchar) RETURNS SETOF mi_tabla as'=20 > SELECT * from mi_tabla WHERE city =3D $1;'=20 > language ' SQL ';=20 > > ejem2=20 > --------------- > 137956448=20 > 137956448=20 > 137956448=20 > > The number of registries that return is the correct, the question is, becau= > se=20 > it does not return the fields of the table, and that is what in its place= > =20 > this showing to me...=20 > Greetings and thank you very much!=20=20=20=20=20=20=20=20=20=20=20=20=20= > =20=20 > You cannot obtain several columns from SQL functions. See the list archives (search for SETOF) for details. You have to use e.g. a plpgsql function instead. Regards, Christoph
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