Pavel Stehule wrote: >> Is there any function in PGSQL that returns an unique Session >> identifier of the actual session? >> For example a Bigint, or GUID, or etc? >> Can I get the living Session identifiers from PG? > > try > > postgres=# select pg_backend_pid(); > pg_backend_pid > ---------------- > 17327 > (1 row) I don't totally understand the intended use, but process IDs have the problem that they will get reused eventually. So if that's not good enough, you can construct a session ID like %c in log_line_prefix with the query found in the documentation: http://www.postgresql.org/docs/current/static/runtime-config-logging.html#GUC-LOG-LINE-PREFIX Yours, Laurenz Albe -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general