On Sep 5, 2011, at 7:05 AM, Radosław Smogura wrote: > Hello, > > During testing of (forked) driver we had seen following strange behaviour. JDBC driver mainly invokes Fastpath to obtain LOBs, because of unscientific privileges I get > 1. Some bytes > 2. 'E' (error about priviliges) > 3. (sic!) 'S' application_name (driver throws exception) > Now I analyse buffer byte after byte > 4. 'Z', 00 00 00 05 69 108 (last number may be trash) > > It's looks like without 3 everything should be OK, so... I have question if this is intended and undocumented behaviour, or some async trashes came in, because docs says nothing about 'S'. I found this only one app server, but I don't think it makes some "background" async calls. > 'S' is the Sync message. http://www.postgresql.org/docs/current/static/protocol-message-formats.html See this section to understand the role of the Sync message: http://www.postgresql.org/docs/current/static/protocol-flow.html#PROTOCOL-FLOW-EXT-QUERY John DeSoi, Ph.D. -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general