Re: Not clear on what PQgetResult does

Alvaro Herrera wrote:
> David Rysdam wrote:
> > Joshua D. Drake wrote:
> >
> > >>>It isn't. You can use it in an asynchronous client, but the way you do
> > >>>that is by not calling it until PQisBusy says you can (which means the
> > >>>whole result has arrived, and you're just calling PQgetResult to get
> > >>>hold of it).
> > >>>
> > >>So there's no way to have libpq return partial results before they
> > >>are all ready?
> > >>
> > >>If I may, I would like to express some degree of incredulity. Even
> > >>the version of Sybase I'm using does this right and it's from 1997!
> > >
> > >I am sure we would welcome a patch ;))
> >
> > To be honest, this is almost enough to drive me away from PG.
>
> If you are in need of partial results you may as well use a cursor and
> fetch from it, a bunch at a time.

Right, this is the standard way.

> > Or are there underlying server reasons why this won't work?
>
> This topic was discussed four days ago I think ... look for a thread
> with subject "Incremental results from libpq" on the archives of this
> list.

That thread has already been condensed into a TODO entry.

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