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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-04 12:15:05 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-04 12:15:05 +0000
commit46651ce6fe013220ed397add242004d764fc0153 (patch)
tree6e5299f990f88e60174a1d3ae6e48eedd2688b2b /contrib/dict_xsyn/sql/dict_xsyn.sql
parentInitial commit. (diff)
downloadpostgresql-14-46651ce6fe013220ed397add242004d764fc0153.tar.xz
postgresql-14-46651ce6fe013220ed397add242004d764fc0153.zip
Adding upstream version 14.5.upstream/14.5upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'contrib/dict_xsyn/sql/dict_xsyn.sql')
-rw-r--r--contrib/dict_xsyn/sql/dict_xsyn.sql45
1 files changed, 45 insertions, 0 deletions
diff --git a/contrib/dict_xsyn/sql/dict_xsyn.sql b/contrib/dict_xsyn/sql/dict_xsyn.sql
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+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');