Tom Lane wrote: > Peter Eisentraut <[EMAIL PROTECTED]> writes: > > Is there a way to query the database system identifier that > > pg_controldata outputs from SQL? > > Don't think so. Do you have a use-case for providing a function to > return that?
I'd like to find out whether two connections are really to the same server. This is in the context of an installation routine for a database application which pulls the connection parameters for several databases from a configuration file and creates various things there. It should, however, only create roles once if the connection parameters point to the same server (if the user only expects a small installation, say). A workaround is to compare inet_server_addr() and inet_server_port(), but that is not 100% safe because it doesn't cover Unix-domain sockets using different paths. -- Peter Eisentraut http://developer.postgresql.org/~petere/ ---------------------------(end of broadcast)--------------------------- TIP 1: if posting/reading through Usenet, please send an appropriate subscribe-nomail command to [EMAIL PROTECTED] so that your message can get through to the mailing list cleanly
