On Mon, 26 Aug 2002 16:13:44 -0400, h012 wrote:
> CREATE INDEX extension_idx ON file (reverse(name)); > -- but I didn't find a function called "reverse" > > CREATE INDEX extension_idx ON file (regex_match( '.*(\.[^\.]*)$' ); > -- but I didn't find a function called "regex_match" which would return > string matched in brackets () > You probably want to do a $ createlang plperl and then something like this: CREATE FUNCTION fn_strrev(text) returns text as ' return reverse($_[0]) ' language 'plperl' with (iscachable); The same approach can be used to provide a regex match with Perl syntax, but I don't have an example of that coded up and at hand. -- Jeff Boes vox 269.226.9550 ext 24 Database Engineer fax 269.349.9076 Nexcerpt, Inc. http://www.nexcerpt.com ...Nexcerpt... Extend your Expertise ---------------------------(end of broadcast)--------------------------- TIP 6: Have you searched our list archives? http://archives.postgresql.org