Re: AW: [HACKERS] Another nasty cache problem

Zeugswetter Andreas SB wrote:
>
> > Chris Bitmead <chrisb(at)nimrod(dot)itg(dot)telstra(dot)com(dot)au> writes:
> > > What about portals? Doesn't psql use portals?
> >
> > No ... portals are a backend concept ...
> >
>
> I think the previous frontend "monitor" did use a portal for the
> selects. The so called "blank portal".

Is'nt the "blank portal" the name of the cursor you get when you just
do a select without creating a cursor ?

> I don't really see any advantage, that psql does not do a fetch loop
> with a portal.

It only increases traffic, as explicit fetch commands need to be sent
to backend. If one does not declare a cursor, an implicit fetch all from
blank is performed.

> Is it possible in psql do do any "fetch" stuff, after doing a
> select * from table ?

only if in a declared cursor, and you can only declare cursor if in a
transaction.

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Hannu