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* Re: Stored Procedure Problem
@ 2002-12-12 13:37 Christoph Haller <ch@rodos.fzk.de>
0 siblings, 0 replies; 7+ messages in thread
From: Christoph Haller @ 2002-12-12 13:37 UTC (permalink / raw)
To: atul@imcindia.net; +Cc: pgsql-sql
> CREATE FUNCTION b_function() RETURNS int4 AS '
> DECLARE
> an_integer int4;
> BEGIN
> select emp_id from employee;
> return an_integer;
> END;
> '
> LANGUAGE 'plpgsql';
>
Try
SELECT INTO an_integer emp_id from employee;
Regards, Christoph
^ permalink raw reply [nested|flat] 7+ messages in thread
* Stored Procedure Problem
@ 2002-12-12 13:41 Atul <atul@imcindia.net>
0 siblings, 1 reply; 7+ messages in thread
From: Atul @ 2002-12-12 13:41 UTC (permalink / raw)
To: pgsql-sql
Hello,
Atul Here, I have one problem while accessing Database
Records Or Recordset from stored procedure. Procedure is like this,
CREATE FUNCTION b_function() RETURNS int4 AS '
DECLARE
an_integer int4;
BEGIN
select emp_id from employee;
return an_integer;
END;
'
LANGUAGE 'plpgsql';
I create the procedure . After that I run the statement like
Test=#> select b_function();
Error comes like
Error: ERROR: SELECT query has no destination for result data.
If you want to discard the results, use PERFORM instead.
WARNING: Error occurred while executing PL/pgSQL function b_function
WARNING: line 4 at SQL statement
Also I use PERFORM statement. But still problem is not resolved.
Please Help me. I hope your kind co-operation.
Thanks.
Atul…
^ permalink raw reply [nested|flat] 7+ messages in thread
* Re: Stored Procedure Problem
@ 2002-12-12 13:43 Héctor Iturre <hhiturre@yahoo.com.ar>
parent: Atul <atul@imcindia.net>
0 siblings, 0 replies; 7+ messages in thread
From: Héctor Iturre @ 2002-12-12 13:43 UTC (permalink / raw)
To: Atul <atul@imcindia.net>
Hi,
use this
CREATE FUNCTION b_function() RETURNS int4 AS '
DECLARE
an_integer int4;
BEGIN
select into an_integer emp_id from employee;
return an_integer;
END;
'
LANGUAGE 'plpgsql';
--- Atul <atul@imcindia.net> escribió: > Hello,
>
> Atul Here, I have one problem while
> accessing Database
> Records Or Recordset from stored procedure.
> Procedure is like this,
>
> CREATE FUNCTION b_function() RETURNS int4 AS '
> DECLARE
> an_integer int4;
> BEGIN
> select emp_id from employee;
> return an_integer;
> END;
> '
> LANGUAGE 'plpgsql';
>
> I create the procedure . After that I run the
> statement like
>
> Test=#> select b_function();
>
> Error comes like
>
> Error: ERROR: SELECT query has no destination for
> result data.
> If you want to discard the results,
> use PERFORM instead.
> WARNING: Error occurred while executing PL/pgSQL
> function b_function
> WARNING: line 4 at SQL statement
>
> Also I use PERFORM statement. But still problem is
> not resolved.
>
> Please Help me. I hope your kind co-operation.
>
> Thanks.
>
> Atul…
>
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^ permalink raw reply [nested|flat] 7+ messages in thread
* Re: Stored Procedure Problem
@ 2002-12-12 14:43 Atul <atul@imcindia.net>
0 siblings, 2 replies; 7+ messages in thread
From: Atul @ 2002-12-12 14:43 UTC (permalink / raw)
To: pgsql-sql
Hi,
How to return multiple columns through stored procedure.
Consider EX.
CREATE FUNCTION b_function() RETURNS varchar AS '
DECLARE
an_integer int4;
an_name varchar;
BEGIN
select into an_integer emp_id,an_name emp_name from employee;
return an_integer,an_name;
END;
'
LANGUAGE 'plpgsql';
But This Gives Error(For Multiple column , not for single column)
Please Let me know.
Thanks
Atul…
^ permalink raw reply [nested|flat] 7+ messages in thread
* Re: Stored Procedure Problem
@ 2002-12-12 14:51 Tomasz Myrta <jasiek@klaster.net>
parent: Atul <atul@imcindia.net>
1 sibling, 1 reply; 7+ messages in thread
From: Tomasz Myrta @ 2002-12-12 14:51 UTC (permalink / raw)
To: Atul <atul@imcindia.net>; +Cc: pgsql-sql
Atul wrote:
> CREATE FUNCTION b_function() RETURNS varchar AS '
>
> DECLARE
>
> an_integer int4;
>
> an_name varchar;
>
> BEGIN
>
> select into an_integer emp_id,an_name emp_name from employee;
>
> return an_integer,an_name;
>
> END;
>
> '
First: select into an_integer,an_name emp_id,emp_name...
Second: you can't return 2 variables from plpgsql function.
Tomasz Myrta
^ permalink raw reply [nested|flat] 7+ messages in thread
* Re: Stored Procedure Problem
@ 2002-12-12 16:33 Roberto Mello <rmello@cc.usu.edu>
parent: Atul <atul@imcindia.net>
1 sibling, 0 replies; 7+ messages in thread
From: Roberto Mello @ 2002-12-12 16:33 UTC (permalink / raw)
To: Atul <atul@imcindia.net>; +Cc: pgsql-sql
On Thu, Dec 12, 2002 at 08:13:22PM +0530, Atul wrote:
> Hi,
> How to return multiple columns through stored procedure.
<snip>
> But This Gives Error(For Multiple column , not for single column)
> Please Let me know.
You didn't say which version of PostgreSQL you are using.
In PG 7.2 you can return a cursor.
In 7.3 you can return a cursor or a true record set.
See http://developer.postgresql.org/docs/postgres/plpgsql-cursors.html
(true to 7.2 and 7.3)
Also
http://developer.postgresql.org/docs/postgres/plpgsql-control-structures.html
("Returning from a function"). The part on returning record sets is only
relevant to 7.3
-Roberto
--
+----| Roberto Mello - http://www.brasileiro.net/ |------+
+ Computer Science Graduate Student, Utah State University +
+ USU Free Software & GNU/Linux Club - http://fslc.usu.edu/ +
:.:..::..:::.:::::..:..:.:..:..::::.:...:: => BRAILE TAGLINE!
^ permalink raw reply [nested|flat] 7+ messages in thread
* Re: Stored Procedure Problem
@ 2002-12-13 11:01 Rajesh Kumar Mallah. <mallah@trade-india.com>
parent: Tomasz Myrta <jasiek@klaster.net>
0 siblings, 0 replies; 7+ messages in thread
From: Rajesh Kumar Mallah. @ 2002-12-13 11:01 UTC (permalink / raw)
To: Tomasz Myrta <jasiek@klaster.net>; Atul <atul@imcindia.net>; +Cc: pgsql-sql
In 7.3 you can ,
in follwoing steps,
1. do a CREATE TYPE (i would recommend to use a sperate schema for storing user defined types)
2. in plpgsql declare the RECORD of that type .
3. populate the record varible according to your business logic and return the RECORD using RETURN statements.
hope it will help ,
if not please revert back.
regds
mallah.
On Thursday 12 December 2002 08:21 pm, Tomasz Myrta wrote:
> Atul wrote:
> > CREATE FUNCTION b_function() RETURNS varchar AS '
> >
> > DECLARE
> >
> > an_integer int4;
> >
> > an_name varchar;
> >
> > BEGIN
> >
> > select into an_integer emp_id,an_name emp_name from employee;
> >
> > return an_integer,an_name;
> >
> > END;
> >
> > '
>
> First: select into an_integer,an_name emp_id,emp_name...
> Second: you can't return 2 variables from plpgsql function.
>
> Tomasz Myrta
>
>
> ---------------------------(end of broadcast)---------------------------
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--
Rajesh Kumar Mallah,
Project Manager (Development)
Infocom Network Limited, New Delhi
phone: +91(11)6152172 (221) (L) ,9811255597 (M)
Visit http://www.trade-india.com ,
India's Leading B2B eMarketplace.
^ permalink raw reply [nested|flat] 7+ messages in thread
end of thread, other threads:[~2002-12-13 11:01 UTC | newest]
Thread overview: 7+ messages (download: mbox mbox.gz follow: Atom feed)
-- links below jump to the message on this page --
2002-12-12 13:37 Re: Stored Procedure Problem Christoph Haller <ch@rodos.fzk.de>
2002-12-12 13:41 Stored Procedure Problem Atul <atul@imcindia.net>
2002-12-12 13:43 ` Héctor Iturre <hhiturre@yahoo.com.ar>
2002-12-12 14:43 Re: Stored Procedure Problem Atul <atul@imcindia.net>
2002-12-12 14:51 ` Tomasz Myrta <jasiek@klaster.net>
2002-12-13 11:01 ` Rajesh Kumar Mallah. <mallah@trade-india.com>
2002-12-12 16:33 ` Roberto Mello <rmello@cc.usu.edu>
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