Log Message:-----------Add an index entry for "Performance Tips". Patch from Alvaro Herrera.
Modified Files:-------------- pgsql-server/doc/src/sgml: perform.sgml (r1.45 -> r1.46) (http://developer.postgresql.org/cvsweb.cgi/pgsql-server/doc/src/sgml/perform.sgml.diff?r1=1.45&r2=1.46)
