-<!-- $PostgreSQL: pgsql/doc/src/sgml/config.sgml,v 1.218 2009/06/03 00:38:34 momjian Exp $ -->
+<!-- $PostgreSQL: pgsql/doc/src/sgml/config.sgml,v 1.219 2009/06/03 20:34:29 momjian Exp $ -->
<chapter Id="runtime-config">
<title>Server Configuration</title>
separated by a dot. The numbers are the process start time and the
process ID, so <literal>%c</> can also be used as a space saving way
of printing those items. For example, to generate the session
- identifier from <literal>pg_stat_activity</>, use:
+ identifier from <literal>pg_stat_activity</>, use this query:
<programlisting>
SELECT to_hex(EXTRACT(EPOCH FROM backend_start)::integer) || '.' ||
to_hex(procpid)