Re: Question about simple function folding optimization

Bruno Wolff III <bruno@wolff.to> writes:
> Can you use functional expressions in CREATE INDEX now (7.4 CVS) as well?

You can use expressions.  I'm not sure if you mean anything particular
by "functional expressions".  See the man page ---
http://candle.pha.pa.us/main/writings/pgsql/sgml/sql-createindex.html

(the documentation build at developer.postgresql.org doesn't seem to
have updated since before the server move :-()
        regards, tom lane