Hi there,
we just submitted to CVS several changes to tsearch2:
1. change struct {} WordEntryPos to typedef uint16, for details see http://www.pgsql.ru/db/mw/msg.html?mid=2035188
2. improved support for compound words
"A compound is a word containing a stem that is made up of more than one root" to_tsquery() now make use of roots
ifdictionary (should support 'compoundwords' flag, check .aff file) returns them for compound word. Example:
regression=# select to_tsquery( 'fotballklubber'); to_tsquery
------------------------------------------------ 'fotball' & 'klubb' | 'fot' & 'ball' & 'klubb'
(1 row)
Bad thing is that API to tsearch2 dictionaries was changed ! See http://www.pgsql.ru/db/mw/msg.html?mid=2039406 for
detailsand http://www.sai.msu.su/~megera/oddmuse/index.cgi/Tsearch_V2_compound_words for introduction about compounds
supportin tsearch2.
We're badly needed testers of compounds support (german, norway,... languages),
patch for V8.0 release is available
http://www.sai.msu.su/~megera/postgres/gist/tsearch/V2/expand_query_8.0.patch.gz
Regards, Oleg
_____________________________________________________________
Oleg Bartunov, sci.researcher, hostmaster of AstroNet,
Sternberg Astronomical Institute, Moscow University (Russia)
Internet: oleg@sai.msu.su, http://www.sai.msu.su/~megera/
phone: +007(095)939-16-83, +007(095)939-23-83