46 lines
2.0 KiB
MySQL
46 lines
2.0 KiB
MySQL
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CREATE EXTENSION dict_xsyn;
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-- default configuration - match first word and return it among with all synonyms
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ALTER TEXT SEARCH DICTIONARY xsyn (RULES='xsyn_sample', KEEPORIG=true, MATCHORIG=true, KEEPSYNONYMS=true, MATCHSYNONYMS=false);
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--lexize
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SELECT ts_lexize('xsyn', 'supernova');
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SELECT ts_lexize('xsyn', 'sn');
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SELECT ts_lexize('xsyn', 'grb');
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-- the same, but return only synonyms
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ALTER TEXT SEARCH DICTIONARY xsyn (RULES='xsyn_sample', KEEPORIG=false, MATCHORIG=true, KEEPSYNONYMS=true, MATCHSYNONYMS=false);
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SELECT ts_lexize('xsyn', 'supernova');
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SELECT ts_lexize('xsyn', 'sn');
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SELECT ts_lexize('xsyn', 'grb');
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-- match any word and return all words
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ALTER TEXT SEARCH DICTIONARY xsyn (RULES='xsyn_sample', KEEPORIG=true, MATCHORIG=true, KEEPSYNONYMS=true, MATCHSYNONYMS=true);
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SELECT ts_lexize('xsyn', 'supernova');
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SELECT ts_lexize('xsyn', 'sn');
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SELECT ts_lexize('xsyn', 'grb');
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-- match any word and return all words except first one
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ALTER TEXT SEARCH DICTIONARY xsyn (RULES='xsyn_sample', KEEPORIG=false, MATCHORIG=true, KEEPSYNONYMS=true, MATCHSYNONYMS=true);
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SELECT ts_lexize('xsyn', 'supernova');
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SELECT ts_lexize('xsyn', 'sn');
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SELECT ts_lexize('xsyn', 'grb');
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-- match any synonym but not first word, and return first word instead
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ALTER TEXT SEARCH DICTIONARY xsyn (RULES='xsyn_sample', KEEPORIG=true, MATCHORIG=false, KEEPSYNONYMS=false, MATCHSYNONYMS=true);
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SELECT ts_lexize('xsyn', 'supernova');
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SELECT ts_lexize('xsyn', 'sn');
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SELECT ts_lexize('xsyn', 'grb');
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-- do not match or return anything
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ALTER TEXT SEARCH DICTIONARY xsyn (RULES='xsyn_sample', KEEPORIG=false, MATCHORIG=false, KEEPSYNONYMS=false, MATCHSYNONYMS=false);
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SELECT ts_lexize('xsyn', 'supernova');
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SELECT ts_lexize('xsyn', 'sn');
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SELECT ts_lexize('xsyn', 'grb');
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-- match any word but return nothing
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ALTER TEXT SEARCH DICTIONARY xsyn (RULES='xsyn_sample', KEEPORIG=false, MATCHORIG=true, KEEPSYNONYMS=false, MATCHSYNONYMS=true);
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SELECT ts_lexize('xsyn', 'supernova');
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SELECT ts_lexize('xsyn', 'sn');
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SELECT ts_lexize('xsyn', 'grb');
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