Re: tsearch in core patch, for inclusion - Mailing list pgsql-hackers

FYI, I added this to the patches queue because I think we decided
full-text indexing should be in the core.  If I am wrong, please let me
know.

---------------------------------------------------------------------------

Teodor Sigaev wrote:
> We (Oleg and me) are glad to present tsearch in core of pgsql patch. In basic, 
> layout, functions, methods, types etc are the same as in current tsearch2 with a 
> lot of improvements:
> 
>   - pg_ts_* tables now are in pg_catalog
>   - parsers, dictionaries, configurations now have owner and namespace similar to
>     other pgsql's objects like tables, operator classes etc
>   - current tsearch configuration is managed with a help of GUC variable
>     tsearch_conf_name.
>   - choosing of tsearch cfg by locale may be done for each schema separately
>   - managing of tsearch configuration with a help of SQL commands, not with
>     insert/update/delete statements. This allows to drive dependencies,
>     correct dumping and dropping.
>   - psql support with a help of \dF* commands
>   - add all available Snowball stemmers and corresponding configuration
>   - correct memory freeing by any dictionary
> 
> Work is sponsored by EnterpriseDB's PostgreSQL Development Fund.
> 
> patch: http://www.sigaev.ru/misc/tsearch_core-0.33.gz
> docs: http://mira.sai.msu.su/~megera/pgsql/ftsdoc/ (not yet completed and it's 
> not yet a patch, just a SGML source)
> 
> Implementation details:
> - directory layout
>        src/backend/utils/adt/tsearch - all IO function and simple operations
>        src/backend/utils/tsearch - complex processing functions, including
>                   language processing and dictionaries
> - most of snowball dictionaries are placed in separate .so library and
>    they plug in into data base by similar way as character conversation
>    library does.
> 
> If there aren't objections then we plan commit patch tomorrow or after tomorrow.
> Before committing, I'll changes oids from 5000+ to lower values to prevent holes 
> in oids. And after that, I'll remove tsearch2 contrib module.
> 
> -- 
> Teodor Sigaev                                   E-mail: teodor@sigaev.ru
>                                                     WWW: http://www.sigaev.ru/
> 
> ---------------------------(end of broadcast)---------------------------
> TIP 7: You can help support the PostgreSQL project by donating at
> 
>                 http://www.postgresql.org/about/donate

--  Bruce Momjian  <bruce@momjian.us>          http://momjian.us EnterpriseDB
http://www.enterprisedb.com
 + If your life is a hard drive, Christ can be your backup. +