Log Message:
-----------
Add a tip showing how functions on composite types can be used to
emulate computed fields. I suppose this is why the Berkeley boys made
it work that way in the first place, but the docs never said so anyplace.
Modified Files:
--------------
pgsql/doc/src/sgml:
xfunc.sgml (r1.93 -> r1.94)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/xfunc.sgml.diff?r1=1.93&r2=1.94)
---------------------------(end of broadcast)---------------------------
TIP 7: don't forget to increase your free space map settings
