Re: [HACKERS] I want to change libpq and libpgtcl for better handling of large query results

On Wed, 7 Jan 1998, Vadim B. Mikheev wrote:

> Sorry, just to clear things:
> 
> > We were talking about some changes to the protocol. Perhaps, we could do
> > something like changing it so it sends the result in blocks of tuples,
> > rather than everything in one block. Then, in between each packet, an ACK
>               ^^^^^^^^^^^^^^^^^^^^^^^
> 
> Backend sends tuples one by one - just after executor gets next tuple 
> from upper plan, backend sends this tuple to client-side.

Oops, of course it does, sorry ;-)

> > or CAN style packet could be sent to the backend, either asking for the
> > next, or canceling the results.

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