Carlos Guzmán Álvarez <carlosga@telefonica.net> writes:
> After send the rollbact transaction command i'm not receiving any
> response from the server, instead, if the SQL command is a valid SQL
> command all runs fine, any idea about what can be the problem ??
Are you using the extended query protocol? If so you probably have
forgotten the need for a Sync message. After an error, the server
discards frontend messages until it sees a Sync. This is needed so that
you can fire off several component messages in an extended-query
operation without waiting to see whether each one succeeds. You put the
Sync at the point where you want to wait for results.
regards, tom lane