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 if dictionary (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 details and http://www.sai.msu.su/~megera/oddmuse/index.cgi/Tsearch_V2_compound_words for introduction about compounds support in 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
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