> It is documented that successful return from function send() for TCP > doesn't > mean successful delivery of data to the target host, mere put them into > socket > buffer. > If op_commit is sent but network error appear during waiting for > response > there can be two cases: > 1) op_commit packet is lost on its way to server; > 2) op_response is lost on its way to client. > > In the first case the transaction on server is rolled back in the > latter - > committed successfully. > > Is there a way to handle such situation? Using of two round-trips > cannot > solve the problem, only shift point of uncertainty. >
Two phase commit does solve the problem, at considerable expense. Cheers, Ann
Firebird-Devel mailing list, web interface at https://lists.sourceforge.net/lists/listinfo/firebird-devel
