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CREATE EXTENSION zhparser;
CREATE TEXT SEARCH CONFIGURATION testzhcfg ( PARSER = zhparser );
ALTER TEXT SEARCH CONFIGURATION testzhcfg ADD MAPPING FOR n,v,a,i,e,l WITH SIMPLE;
开发者,您好,我们在PostgreSQL中使用zhparser插件,发现没有按长词优先返回结果,代码和示例如下:
CREATE EXTENSION zhparser;
CREATE TEXT SEARCH CONFIGURATION testzhcfg ( PARSER = zhparser );
ALTER TEXT SEARCH CONFIGURATION testzhcfg ADD MAPPING FOR n,v,a,i,e,l WITH SIMPLE;
-- 往自定义分词词典里面插入新的分词
INSERT INTO pg_ts_custom_word
VALUES ( '味道不错'),
( '味道'),
('不错'),
( '不错的'),
( '卫生干净'),
( '卫生'),
( '干净'),
( '量挺大'),
('服务不错'),
('服务');
-- 使新的分词生效
SELECT zhprs_sync_dict_xdb ( );
-- 退出此连接
-- \c
-- 重新查询,可以得到新的分词结果
ALTER ROLE ALL SET zhparser.multi_short = ON;
SELECT TO_TSQUERY('testzhcfg', '服务不错的');
结果::'味道' & '不错'
问题:没有返回自定义词典: 味道不错
SELECT TO_TSQUERY('testzhcfg', '味道不错的');
结果::'味道' & '不错'
问题:没有返回自定义词典: 服务不错
自定义词后很奇怪,没有按照长词优先返回结果,请协助看看原因~
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