From: | Oliver Jowett <oliver(at)opencloud(dot)com> |
---|---|
To: | Donald Fraser <postgres(at)kiwi-fraser(dot)net> |
Cc: | "[JDBC]" <pgsql-jdbc(at)postgresql(dot)org> |
Subject: | Re: 7.4x vs 8.1x |
Date: | 2006-01-10 18:57:38 |
Message-ID: | 43C403A2.1030300@opencloud.com |
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Thread: | |
Lists: | pgsql-jdbc |
Donald Fraser wrote:
> I note that there are a lot of 'format' related changes from pre 8.1 to 8.1.
> Could someone inform me whether a 7.4.x JDBC driver will operate at all with
> a 8.1.x database?
We do not test or support this. It may work, but you're on your own.
Basic query execution is probably OK, but things like database metadata
are likely to break.
> I also note that someone is attempting to implement notifications but it
> should be noted that the method they are attempting to use will fail!
> (http://archives.postgresql.org/pgsql-jdbc/2005-04/msg00056.php) The reason
> it will fail is that the available() method of the input stream does not
> work on SSL sockets!
This is a known limitation of the code in the current driver. With a SSL
connection, the driver will not fail, it is just that applications will
still need to run queries before you see notifications arrive, i.e. the
old behaviour.
-O
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