On 10/23/2004 2:02 PM, Ed L. wrote:

> On Saturday October 23 2004 9:30, Jan Wieck wrote:
>> On 10/22/2004 10:22 PM, Ed L. wrote:
>>
>> [...]
>>
>> > Regardless, 1.0.5 works great so far (limited testing) on ia64 hpux
>> > b.11.23 with pg 7.4.5.  This setup is replicating from 7.3.4 on linux
>> > to 7.4.5 on b.11.23.  Thanks!
>>
>> Great to see that it can deal with all the differences at once.
>> Replicating between different DB versions, operating systems and 
>> architectures (even 32 vs. 64 bit) at the same time.
> 
> I seem to have to run both slons using the 7.3.4 installation due to client 
> protocol incompatibilities from a 7.4.5 client connecting to a 7.3.4 
> server, maybe?

No, the 7.4 libpq (protocol version 3) is able to downgrade to protocol 
version 2 in order to connect to a pre 7.4 server. However, on every 
connect you will see an error message about an incompatible protocol 
version in the postmaster log.


Jan

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