-- 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);
-- 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');
Messung V0.5 in Prozent
¤ Dauer der Verarbeitung: 0.21 Sekunden
(vorverarbeitet am 2026-08-08)
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