Re: Quotes and spaces

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От Oleg Lebedev
Тема Re: Quotes and spaces
Дата
Msg-id 3BBE4822.B69C2B0E@waterford.org
обсуждение исходный текст
Ответ на Re: Quotes and spaces  (Stephan Szabo <sszabo@megazone23.bigpanda.com>)
Список pgsql-sql
I just upgraded to 7.1 and the query works for me now.
thanks,

Oleg

Stephan Szabo wrote:

> On Fri, 5 Oct 2001, Oleg Lebedev wrote:
>
> > Hi,
> > I looked through PL/pgSQL tutorial, but I can't get quotes and spaces to
> > work in queries executed from Pl/pgSQl. Here is an example:
> >
> > create procedure get_name(varchar)
> > ...
> > BEGIN
> >     query := ''SELECT first_name || '''' '''' || last_name FROM user'';
> >     EXECUTE query;
> > ...
> > END;
> > ...
> >
> > Basically I want to get full name, i.e. first name separated with space from
> > the last name. If I follow the PL/pgSQL manual as shown above, I get parse
> > error.
> > What am I doing wrong?
>
> Odd, a script like the following works for me on both 7.1 and 7.2devel:
>
> drop table aa;
> drop function fgn(varchar);
> create table aa(a varchar);
> insert into aa values ('d');
> create function fgn(varchar) returns text as '
> DECLARE
>  query text;
>  rec record;
> BEGIN
>  query := ''SELECT a || '''' '''' || a as bar from aa;'';
>  RAISE NOTICE ''%'', query;
>  FOR rec in EXECUTE query LOOP
>   return rec.bar;
>  END LOOP;
> END;'
> language 'plpgsql';
> select fgn('f');



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