Обсуждение: how to check SQLSTATE

Hi,

is it possible to check for sqlstate inside a function , something like:
   ....
   loop
      fetch bla.....
      if sqlstate = '02000' then
            exit;
      end if;
      ....
   end loop;
 if I try to save the above I get a :  sqlstate not defined error

Then I tried this with no success:

   ....
   loop
      Begin
           fetch bla.....
           Exception
                     when no_data then
                                  exit;
     end;
      ....
   end loop; 
when I tried to save the trigger I got this:  unrecognized exception condition "no_data"
but according to the help docs, no_data is a valid symbol.

could anybody give me some hints


thanks

Hugo

am  Thu, dem 05.10.2006, um 17:45:36 -0300 mailte Hugo folgendes:
> Hi,
>
> is it possible to check for sqlstate inside a function , something like:
>    ....
>    loop
>       fetch bla.....
>       if sqlstate = '02000' then
>             exit;
>       end if;
>       ....
>    end loop;
>  if I try to save the above I get a :  sqlstate not defined error

Which version?

With release 8.1 you can use SQLSTATE and SQLERRM inside exception
blocks.
-> http://www.postgresql.org/docs/8.1/interactive/release-8-1.html

You can find the errorcodes there:
http://www.pgadmin.org/docs/1.4/pg/errcodes-appendix.html#errcodes-table


HTH, Andreas
--
Andreas Kretschmer
Kontakt:  Heynitz: 035242/47215,   D1: 0160/7141639 (mehr: -> Header)
GnuPG-ID:   0x3FFF606C, privat 0x7F4584DA   http://wwwkeys.de.pgp.net

sorry, forgot to mention psql8.1.4 on fedora core 4

Hi again, thanks for your guidance, this is the error I got trying to save my fuction:
ERROR:  unrecognized exception condition "no_data"
CONTEXT:  compile of PL/pgSQL function "fn_verificar_aportes_socio" near line 36

the symbol is correct , i checked it in the appendix A postgres error codes and constants, have you got any idea what the problem could be.
....
loop
      Begin
           fetch bla.....
           Exception
                     when no_data then                               ......
this is on suse 10, postgres 8.1.4

thanks in advance

Hugo

Hugo <htakada@gmail.com> writes:
> Hi again, thanks for your guidance, this is the error I got trying to save
> my fuction:
> ERROR:  unrecognized exception condition "no_data"
> CONTEXT:  compile of PL/pgSQL function "fn_verificar_aportes_socio" near
> line 36

NO_DATA isn't an error condition, only a warning, thus there is no case
in which an exception block would trap it.  So plpgsql doesn't bother to
recognize it.

            regards, tom lane

Hi,

Is there a way to check how many records where affected by a delete or update sentence in a trigger function ??

thanks

Hugo