Re: cursors

On 24/11/2007, Cesar Alvarez <c(dot)alvarezx66(at)gmail(dot)com> wrote:
>
> Thanks,
> what will be the syntax for that type of for?
>

DECLARE
curs2 CURSOR FOR SELECT * FROM tenk1;
c1 integer;
c2 integer;
BEGIN
OPEN curs2;
FETCH curs2 INTO c1,c2;
WHILE found LOOP
...
FETCH curs2 INTO c1,c2;
END LOOP;
CLOSE curs2;

http://www.postgresql.org/docs/8.2/interactive/plpgsql-control-structures.html#PLPGSQL-CONTROL-STRUCTURES-LOOPS

Regards
Pavel Stehule

>
> Pavel Stehule wrote:
> On 24/11/2007, Cesar Alvarez <c(dot)alvarezx66(at)gmail(dot)com> wrote:
>
>
> Hello every one.
> im trying to make a Loop and i found in the manual this.
>
> FOR <target> IN <query> LOOP
> <statements>
> END LOOP
>
> Can i use cursor instead of the Query in the loop?? ,
> this es more legible than using the open/fetch/close of the cursor.
>
> Regard Cesar Alvarez.
>
> Hello
>
> FOR statement use cursor internally. If you wont to use cursor
> explicitly, you have to use WHILE loop.
>
> Regards
> Pavel Stehule
>
>
>
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