> Can we add Levenshtein-Damerau edit distance since it is used in
> spelling checker
> instead of levenshtein edit distance?
Patches welcome! You, too, can be a PostgreSQL contributor.
However, you will need to preserve the ability of users to use the old
levenshtien algorithm as well, for backwards-compatibility. Shouldn't
be hard, just add a new function called levenshtiend().
--
Josh Berkus
PostgreSQL Experts Inc.
http://pgexperts.com