protocol compatibility between 7.2 and 7.4

From: Daniel Kalchev <daniel(at)digsys(dot)bg>
To: pgsql-hackers(at)postgresql(dot)org
Subject: protocol compatibility between 7.2 and 7.4
Date: 2003-11-26 13:12:45
Message-ID: 200311261312.hAQDCjJ24389@dcave.digsys.bg
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I know this is an attempt to save myself reading the mailing list, but still
the issue remains:

the psql from version 7.4 does not talk to a 7.2.4 database.

The CHANGELOG indicates, that both server and libraries keep compatibility
with versions after 6.3 - still there is no switch in psql to specify usage of
the pre-7.3 protocol and the 7.2 server and 7.4 psql apparently do not
negotiate.

Daniel

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