mirror of
https://github.com/postgres/postgres.git
synced 2025-10-31 00:03:57 -04:00
629b3af27d
This isn't fully tested as yet, in particular I'm not sure that the "foo--unpackaged--1.0.sql" scripts are OK. But it's time to get some buildfarm cycles on it. sepgsql is not converted to an extension, mainly because it seems to require a very nonstandard installation process. Dimitri Fontaine and Tom Lane
46 lines
2.0 KiB
SQL
46 lines
2.0 KiB
SQL
CREATE EXTENSION dict_xsyn;
|
|
|
|
-- 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');
|