Re: Will libpq 8 PQ*cancel functions work with 7.4 servers?

From: Piotr Sulecki <Piotr(dot)Sulecki(at)sybilla(dot)traxelektronik(dot)pl>
To: Volkan YAZICI <volkan(dot)yazici(at)gmail(dot)com>
Cc: pgsql-interfaces(at)postgresql(dot)org
Subject: Re: Will libpq 8 PQ*cancel functions work with 7.4 servers?
Date: 2005-06-13 14:08:20
Message-ID: 42AD9354.7000008@sybilla.traxelektronik.pl
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Ave!

Volkan YAZICI napisał(a):
>>My question is, will the new interface (PQgetCancel / PQcancel /
>>PQfreeCancel) work with the version 7.4 server?
>
> AFAIC, no.

That would mean it was a protocol change as well as an API change. If
the protocol was unchanged, the new API would generate the same
link-level events, only in a different way. And I seem to recall reading
somewhere that version 8.0 uses the same link-level protocol for
client-to-backend communication as 7.4 did. What you say contradicts it.

Maybe I'm wrong. My memory is not as good as it used to be... :-)

Regards,

Piotr Sulecki.

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