Oleg Bartunov wrote:
>On Tue, 30 Mar 2004, Diogo Biazus wrote:
>
>
>
>>Hi folks,
>>
>>I have a database using tsearch2 to index 300 000 documents.
>>I've already have optimized the queries, and the database is vacuumed on
>>a daily basis.
>>The stat function tells me that my index has aprox. 460 000 unique words
>>(I'm using stemmer and a nice stopword list).
>>
>>
>
>460 000 unique words is a lot ! Have you seen on them ? Sometimes it's
>very useful to analyze what did you indexed and do you want all of them.
>I suggest you to use ispell dictionary and, if you index numbers
>(look statistics), use special dictionaries for integer and decimal numbers
>http://www.sai.msu.su/~megera/postgres/gist/tsearch/V2/dicts/README.intdict
>
>
I 'll try the ispell dictionaries and dicts for numbers too ;)
Could the synonym dictionary help me on this (reducing unique words)?
thanks,
--
Diogo Biazus
diogo@ikono.com.br
http://www.ikono.com.br
