> Its real situation. We use sharded cluster based on plproxy. The calling >> function for DB queries is equal in all databases (see plproxy >> documentation). Now we need to release some internal logic between clients >> based on certain events which occurred in this functions. The LISTEN/NOTIFY >> mechanism is very good feature, but event occur NOT in connected DB - i.e. >> in destination DB via plproxy wrapper. I.e. wee need subject. >> > > then maybe you could have a process to do this work which connects to all > the databases and issues the LISTENs and initiates whatever actions you > need in the other database(s) ? > > > Yes, but it is workaround. The native way - is the "communication" on DB-backend level. It would be very good feature - possibility to set a destination DB in NOTIFY command as optional argument.
Is the developers read this list ? :) > -- > john r pierce N 37, W 122 > santa cruz ca mid-left coast > > -- Regards