Re: request a new feature in fuzzystrmatch

On Sat, May 18, 2013 at 9:27 AM, Liming Hu <dawninghu(at)gmail(dot)com> wrote:
> On 5/17/2013 12:39 PM, Liming Hu wrote:
>>
>> On Fri, May 17, 2013 at 12:06 PM, Josh Berkus <josh(at)agliodbs(dot)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(at)liming-UX31A:~/Downloads/postgresql-9.1.9/contrib/fuzzystrmatch$
> sudo cp fuzzystrmatch.so
> /usr/lib/postgresql/9.1/lib/fuzzystrmatch.so
> liming(at)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