postgresql/contrib/test_parser/sql/test_parser.sql

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CREATE EXTENSION test_parser;
-- make test configuration using parser
CREATE TEXT SEARCH CONFIGURATION testcfg (PARSER = testparser);
ALTER TEXT SEARCH CONFIGURATION testcfg ADD MAPPING FOR word WITH simple;
-- ts_parse
SELECT * FROM ts_parse('testparser', 'That''s simple parser can''t parse urls like http://some.url/here/');
SELECT to_tsvector('testcfg','That''s my first own parser');
SELECT to_tsquery('testcfg', 'star');
SELECT ts_headline('testcfg','Supernovae stars are the brightest phenomena in galaxies',
to_tsquery('testcfg', 'stars'));