Re: pass open cursor via USING in execute staement

Yes, I agree, but also in cursor page.
Talking about cursor I can't find example that shows how pass a bounded
cursor to a function or procedure (must be already open? must be declared
in some specific way?)

Il giorno gio 1 giu 2023 alle ore 16:23 Laurenz Albe <
laurenz(dot)albe(at)cybertec(dot)at> ha scritto:

> On Wed, 2023-05-31 at 22:57 +0000, PG Doc comments form wrote:
> > Page: https://www.postgresql.org/docs/15/plpgsql-statements.html
> >
> > Should be documented if this statement is allowed or not (if not, maybe
> set
> > as desired feature :-) )
> >
> > EXECUTE format('update %I set col1=$1, col2=now() WHERE current of $3',
> > tabname)
> > USING myVal, myOpenCursor;
>
> That is not supported. Parameters can only be used in a place where
> constants
> (SQL literals) might appear, not instead of identifiers (names of tables,
> columns etc.)
>
> I looked, and that is really not documented anywhere.
> One of PREPARE or the extended query protocol might be good places.
>
> Yours,
> Laurenz Albe
>

--
Domenico L.

per stupire mezz'ora basta un libro di storia,
io cercai di imparare la Treccani a memoria... [F.d.A.]