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Add matchorig, matchsynonyms, and keepsynonyms options to contrib/dict_xsyn.

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Sergey Karpov
This commit is contained in:
Tom Lane
2009-08-05 18:06:49 +00:00
parent 23dc89d2c3
commit 25bd9ce31b
4 changed files with 283 additions and 53 deletions
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41
contrib/dict_xsyn/sql/dict_xsyn.sql
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@ -8,9 +8,46 @@ SET client_min_messages = warning;
\set ECHO all
RESET client_min_messages;
--configuration
ALTER TEXT SEARCH DICTIONARY xsyn (RULES='xsyn_sample', KEEPORIG=false);
-- default configuration - match first word and return it among with all synonyms
ALTER TEXT SEARCH DICTIONARY xsyn (RULES='xsyn_sample', KEEPORIG=true, MATCHORIG=true, KEEPSYNONYMS=true, MATCHSYNONYMS=false);
--lexize
SELECT ts_lexize('xsyn', 'supernova');
SELECT ts_lexize('xsyn', 'sn');
SELECT ts_lexize('xsyn', 'grb');
-- the same, but return only synonyms
ALTER TEXT SEARCH DICTIONARY xsyn (RULES='xsyn_sample', KEEPORIG=false, MATCHORIG=true, KEEPSYNONYMS=true, MATCHSYNONYMS=false);
SELECT ts_lexize('xsyn', 'supernova');
SELECT ts_lexize('xsyn', 'sn');
SELECT ts_lexize('xsyn', 'grb');
-- match any word and return all words
ALTER TEXT SEARCH DICTIONARY xsyn (RULES='xsyn_sample', KEEPORIG=true, MATCHORIG=true, KEEPSYNONYMS=true, MATCHSYNONYMS=true);
SELECT ts_lexize('xsyn', 'supernova');
SELECT ts_lexize('xsyn', 'sn');
SELECT ts_lexize('xsyn', 'grb');
-- match any word and return all words except first one
ALTER TEXT SEARCH DICTIONARY xsyn (RULES='xsyn_sample', KEEPORIG=false, MATCHORIG=true, KEEPSYNONYMS=true, MATCHSYNONYMS=true);
SELECT ts_lexize('xsyn', 'supernova');
SELECT ts_lexize('xsyn', 'sn');
SELECT ts_lexize('xsyn', 'grb');
-- match any synonym but not first word, and return first word instead
ALTER TEXT SEARCH DICTIONARY xsyn (RULES='xsyn_sample', KEEPORIG=true, MATCHORIG=false, KEEPSYNONYMS=false, MATCHSYNONYMS=true);
SELECT ts_lexize('xsyn', 'supernova');
SELECT ts_lexize('xsyn', 'sn');
SELECT ts_lexize('xsyn', 'grb');
-- do not match or return anything
ALTER TEXT SEARCH DICTIONARY xsyn (RULES='xsyn_sample', KEEPORIG=false, MATCHORIG=false, KEEPSYNONYMS=false, MATCHSYNONYMS=false);
SELECT ts_lexize('xsyn', 'supernova');
SELECT ts_lexize('xsyn', 'sn');
SELECT ts_lexize('xsyn', 'grb');
-- match any word but return nothing
ALTER TEXT SEARCH DICTIONARY xsyn (RULES='xsyn_sample', KEEPORIG=false, MATCHORIG=true, KEEPSYNONYMS=false, MATCHSYNONYMS=true);
SELECT ts_lexize('xsyn', 'supernova');
SELECT ts_lexize('xsyn', 'sn');
SELECT ts_lexize('xsyn', 'grb');