{"id":20776,"date":"2024-01-02T05:45:24","date_gmt":"2024-01-02T05:45:24","guid":{"rendered":"https:\/\/server.hk\/blog\/20776\/"},"modified":"2024-11-14T10:38:53","modified_gmt":"2024-11-14T02:38:53","slug":"postgresql-command-create-text-search-dictionary","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/20776\/","title":{"rendered":"PostgreSQL \u547d\u4ee4\uff1aCREATE TEXT SEARCH DICTIONARY"},"content":{"rendered":"<h1 id=\"postgresql-command-create-text-search-dictionary-nfOhpEWbyl\">PostgreSQL \u547d\u4ee4\uff1aCREATE TEXT SEARCH DICTIONARY<\/h1>\n<p>PostgreSQL \u662f\u4e00\u6b3e\u529f\u80fd\u5f37\u5927\u7684\u958b\u6e90\u95dc\u806f\u5f0f\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u63d0\u4f9b\u4e86\u5ee3\u6cdb\u7684\u529f\u80fd\u8207\u7279\u6027\u3002\u5176\u4e2d\u4e00\u9805\u986f\u8457\u7684\u529f\u80fd\u662f\u57f7\u884c\u5168\u6587\u641c\u7d22\uff0c\u4f7f\u5f97\u7528\u6236\u80fd\u5920\u9ad8\u6548\u5730\u5728\u5927\u91cf\u6587\u672c\u6578\u64da\u4e2d\u641c\u7d22\u7279\u5b9a\u7684\u55ae\u8a5e\u6216\u77ed\u8a9e\u3002\u70ba\u4e86\u589e\u5f37\u641c\u7d22\u80fd\u529b\uff0cPostgreSQL \u63d0\u4f9b\u4e86 CREATE TEXT SEARCH DICTIONARY \u547d\u4ee4\uff0c\u5141\u8a31\u7528\u6236\u5275\u5efa\u81ea\u5b9a\u7fa9\u7684\u5168\u6587\u641c\u7d22\u8a5e\u5178\u3002<\/p>\n<h2 id=\"what-is-a-text-search-dictionary-nfOhpEWbyl\">\u4ec0\u9ebc\u662f\u6587\u672c\u641c\u7d22\u8a5e\u5178\uff1f<\/h2>\n<p>\u5728 PostgreSQL \u4e2d\uff0c\u6587\u672c\u641c\u7d22\u8a5e\u5178\u662f\u4e00\u7d44\u898f\u5247\u548c\u6620\u5c04\uff0c\u5b9a\u7fa9\u4e86\u5168\u6587\u641c\u7d22\u904e\u7a0b\u4e2d\u5982\u4f55\u8655\u7406\u55ae\u8a5e\u3002\u5b83\u78ba\u5b9a\u4e86\u55ae\u8a5e\u7684\u6a19\u8a18\u3001\u6a19\u6e96\u5316\u548c\u8f49\u63db\uff0c\u5f9e\u800c\u5be6\u73fe\u9ad8\u6548\u7684\u641c\u7d22\u3002\u9810\u8a2d\u60c5\u6cc1\u4e0b\uff0cPostgreSQL \u63d0\u4f9b\u4e86\u5e7e\u500b\u5167\u5efa\u7684\u8a5e\u5178\uff0c\u4f46\u7528\u6236\u53ef\u4ee5\u5275\u5efa\u81ea\u5df1\u7684\u81ea\u5b9a\u7fa9\u8a5e\u5178\u4ee5\u6eff\u8db3\u5176\u7279\u5b9a\u9700\u6c42\u3002<\/p>\n<h2 id=\"creating-a-text-search-dictionary-nfOhpEWbyl\">\u5275\u5efa\u6587\u672c\u641c\u7d22\u8a5e\u5178<\/h2>\n<p>\u5728 PostgreSQL \u4e2d\uff0cCREATE TEXT SEARCH DICTIONARY \u547d\u4ee4\u5141\u8a31\u7528\u6236\u5275\u5efa\u65b0\u7684\u81ea\u5b9a\u7fa9\u8a5e\u5178\u3002\u8a72\u547d\u4ee4\u7684\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>CREATE TEXT SEARCH DICTIONARY dictionary_name (\r\n    TEMPLATE = template_name,\r\n    [ option = value [, ...] ]\r\n)\r\n<\/code><\/pre>\n<p>\u8b93\u6211\u5011\u4f86\u5206\u6790\u4e00\u4e0b\u9019\u500b\u547d\u4ee4\uff1a<\/p>\n<ul>\n<li><code>dictionary_name<\/code>\uff1a\u6307\u5b9a\u65b0\u8a5e\u5178\u7684\u540d\u7a31\u3002<\/li>\n<li><code>TEMPLATE = template_name<\/code>\uff1a\u6307\u5b9a\u8981\u7528\u4f5c\u65b0\u8a5e\u5178\u57fa\u790e\u7684\u6a21\u677f\u8a5e\u5178\u3002PostgreSQL \u63d0\u4f9b\u4e86\u5e7e\u500b\u6a21\u677f\u8a5e\u5178\uff0c\u5982 <code>snowball<\/code> \u548c <code>simple<\/code>\uff0c\u5b9a\u7fa9\u4e86\u4e0d\u540c\u7684\u55ae\u8a5e\u8655\u7406\u898f\u5247\u3002<\/li>\n<li><code>option = value<\/code>\uff1a\u70ba\u65b0\u8a5e\u5178\u6307\u5b9a\u984d\u5916\u7684\u9078\u9805\u53ca\u5176\u503c\u3002\u9019\u4e9b\u9078\u9805\u53ef\u4ee5\u5305\u62ec\u6620\u5c04\u3001\u8a5e\u5f62\u8b8a\u5316\u898f\u5247\u6216\u5176\u4ed6\u53c3\u6578\uff0c\u5b9a\u5236\u8a5e\u5178\u7684\u884c\u70ba\u3002<\/li>\n<\/ul>\n<p>\u4e00\u65e6\u8a5e\u5178\u88ab\u5275\u5efa\uff0c\u5b83\u53ef\u4ee5\u5728\u5168\u6587\u641c\u7d22\u914d\u7f6e\u4e2d\u4f7f\u7528\uff0c\u5f9e\u800c\u63d0\u9ad8\u641c\u7d22\u7d50\u679c\u7684\u6e96\u78ba\u6027\u548c\u76f8\u95dc\u6027\u3002<\/p>\n<h2 id=\"example-creating-a-custom-dictionary-nfOhpEWbyl\">\u7bc4\u4f8b\uff1a\u5275\u5efa\u81ea\u5b9a\u7fa9\u8a5e\u5178<\/h2>\n<p>\u5047\u8a2d\u6211\u5011\u60f3\u70ba\u5168\u6587\u641c\u7d22\u5275\u5efa\u4e00\u500b\u8655\u7406\u8207\u79d1\u6280\u76f8\u95dc\u7684\u7279\u5b9a\u9818\u57df\u8853\u8a9e\u7684\u81ea\u5b9a\u7fa9\u8a5e\u5178\u3002\u6211\u5011\u53ef\u4ee5\u57fa\u65bc <code>simple<\/code> \u6a21\u677f\u8a5e\u5178\u5275\u5efa\u540d\u70ba<code>tech_dict<\/code>\u7684\u8a5e\u5178\uff1a<\/p>\n<pre><code>CREATE TEXT SEARCH DICTIONARY tech_dict (\r\n    TEMPLATE = simple,\r\n    STOPWORDS = 'english',\r\n    MAPPING = pg_catalog.english_stem\r\n);\r\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u7bc4\u4f8b\u4e2d\uff0c\u6211\u5011\u5c07 <code>simple<\/code> \u6a21\u677f\u8a5e\u5178\u6307\u5b9a\u70ba\u6211\u5011\u81ea\u5b9a\u7fa9\u8a5e\u5178\u7684\u57fa\u790e\u3002\u6211\u5011\u9084\u6307\u5b9a\u4e86 <code>english<\/code> \u7684\u505c\u7528\u8a5e\u5217\u8868\u4f86\u6392\u9664\u5e38\u898b\u7684\u82f1\u6587\u55ae\u8a5e\u3002\u6b64\u5916\uff0c\u6211\u5011\u4f7f\u7528 <code>pg_catalog.english_stem<\/code> \u6620\u5c04\u4f86\u61c9\u7528\u8a5e\u5f62\u9084\u539f\uff0c\u4ee5\u4fbf\u66f4\u6e96\u78ba\u5730\u641c\u7d22\u7d50\u679c\u3002<\/p>\n<h2 id=\"summary-nfOhpEWbyl\">\u7e3d\u7d50<\/h2>\n<p>\u5728 PostgreSQL \u4e2d\uff0cCREATE TEXT SEARCH DICTIONARY \u547d\u4ee4\u5141\u8a31\u7528\u6236\u70ba\u5168\u6587\u641c\u7d22\u5275\u5efa\u81ea\u5b9a\u7fa9\u8a5e\u5178\u3002\u9019\u4e9b\u8a5e\u5178\u5b9a\u7fa9\u4e86\u641c\u7d22\u904e\u7a0b\u4e2d\u55ae\u8a5e\u7684\u8655\u7406\u65b9\u5f0f\uff0c\u5305\u62ec\u6a19\u8a18\u3001\u6a19\u6e96\u5316\u548c\u8f49\u63db\u3002\u901a\u904e\u5275\u5efa\u81ea\u5b9a\u7fa9\u8a5e\u5178\uff0c\u7528\u6236\u53ef\u4ee5\u91cf\u8eab\u5b9a\u5236 PostgreSQL \u7684\u641c\u7d22\u80fd\u529b\u4ee5\u6eff\u8db3\u5177\u9ad4\u9700\u6c42\uff0c\u5f9e\u800c\u63d0\u9ad8\u641c\u7d22\u7d50\u679c\u7684\u6e96\u78ba\u6027\u548c\u76f8\u95dc\u6027\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6709\u8208\u8da3\u5229\u7528 PostgreSQL \u5f37\u5927\u7684\u529f\u80fd\u9032\u884c VPS \u8a17\u7ba1\uff0c\u8acb\u8003\u616e <a href=\"https:\/\/server.hk\">Server.HK<\/a>\u3002\u901a\u904e\u6211\u5011\u4e00\u6d41\u7684 VPS \u89e3\u6c7a\u65b9\u6848\uff0c\u60a8\u53ef\u4ee5\u9ad4\u9a57 PostgreSQL \u548c\u5176\u4ed6\u5148\u9032\u6280\u8853\u70ba\u60a8\u7684\u8a17\u7ba1\u9700\u6c42\u5e36\u4f86\u7684\u7a2e\u7a2e\u597d\u8655\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>PostgreSQL \u547d\u4ee4\uff1aCR&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4924],"tags":[],"class_list":["post-20776","post","type-post","status-publish","format-standard","hentry","category-setup-tutorials"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/20776","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=20776"}],"version-history":[{"count":2,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/20776\/revisions"}],"predecessor-version":[{"id":24328,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/20776\/revisions\/24328"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=20776"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=20776"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=20776"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}