On Sat, May 18, 2013 at 9:27 AM, Liming Hu <dawnin...@gmail.com> wrote: > On 5/17/2013 12:39 PM, Liming Hu wrote: >> >> On Fri, May 17, 2013 at 12:06 PM, Josh Berkus <j...@agliodbs.com> wrote: >>>> >>>> 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(). >>> >> I am working on it, I will make it this weekend project. > > > I have done that. and put the code at github: > https://github.com/liminghu/fuzzystrmatch > > liming@liming-UX31A:~/Downloads/postgresql-9.1.9/contrib/fuzzystrmatch$ > sudo cp fuzzystrmatch.so > /usr/lib/postgresql/9.1/lib/fuzzystrmatch.so > liming@liming-UX31A:~/Downloads/postgresql-9.1.9/contrib/fuzzystrmatch$ > sudo /etc/init.d/postgresql restart > > * Restarting PostgreSQL 9.1 database server > > [ OK ] > > > select dameraulevenshteinnocompatible('cta', 'cat',1,1,1,1); > CREATE EXTENSION fuzzystrmatch; > > ********** Error ********** > > ERROR: could not load library > "/usr/lib/postgresql/9.1/lib/fuzzystrmatch.so": > /usr/lib/postgresql/9.1/lib/fuzzystrmatch.so: undefined symbol: > damerau_levenshtein_internal_noncompatible > > Any one can help me on this? Thanks. >
The system is not able to find the required library, and I dont think using cp to place the library is a very good idea.Did you run Make Install after you added your work in the Makefile? Regards, Atri -- Regards, Atri l'apprenant -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers