The 8.1 server doesn't work when issuing queries using the v2 protocol, notably the isnull bitmask in the DataRow message is incorrect. I suspect the problem is with this commit:
http://archives.postgresql.org/pgsql-committers/2005-03/msg00224.php I've attached the tcpdump output from establishing a connection with the JDBC driver using the V2 protocol to a 7.4 and an 8.1 server. In the 7.4 server after the 'D' message is c0 while 8.1 has 00 as the next byte. Kris Jurka ---------------------------(end of broadcast)--------------------------- TIP 8: explain analyze is your friend