mirror of
https://git.postgresql.org/git/postgresql.git
synced 2024-12-21 08:29:39 +08:00
25bd9ce31b
Sergey Karpov
54 lines
2.2 KiB
PL/PgSQL
54 lines
2.2 KiB
PL/PgSQL
--
|
|
-- first, define the datatype. Turn off echoing so that expected file
|
|
-- does not depend on contents of this file.
|
|
--
|
|
SET client_min_messages = warning;
|
|
\set ECHO none
|
|
\i dict_xsyn.sql
|
|
\set ECHO all
|
|
RESET client_min_messages;
|
|
|
|
-- 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');
|