{"id":21551,"date":"2024-01-02T11:21:26","date_gmt":"2024-01-02T11:21:26","guid":{"rendered":"https:\/\/server.hk\/blog\/21551\/"},"modified":"2024-11-14T10:30:52","modified_gmt":"2024-11-14T02:30:52","slug":"mongodb-glossary-collation","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/21551\/","title":{"rendered":"MongoDB \u8a5e\u5f59\u8868 &#8211; \u6392\u5e8f\u898f\u5247"},"content":{"rendered":"<h1 id=\"mongodb-glossary-collation-KveaxlVgTH\">MongoDB \u8a5e\u5f59\u8868 &#8211; \u6392\u5e8f\u898f\u5247<\/h1>\n<p>\u5728\u8cc7\u6599\u5eab\u7684\u4e16\u754c\u4e2d\uff0c\u6392\u5e8f\u898f\u5247\u6307\u7684\u662f\u7528\u4f86\u6bd4\u8f03\u548c\u6392\u5e8f\u5b57\u5143\u4e32\u7684\u898f\u5247\u548c\u6f14\u7b97\u6cd5\u3002\u5b83\u6c7a\u5b9a\u4e86\u5b57\u4e32\u6bd4\u8f03\u7684\u65b9\u5f0f\uff0c\u4e26\u8003\u616e\u4e86\u5b57\u5143\u5927\u5c0f\u5beb\u3001\u91cd\u97f3\u7b26\u865f\u4ee5\u53ca\u7279\u5b9a\u8a9e\u8a00\u7684\u898f\u5247\u3002MongoDB \u4f5c\u70ba\u4e00\u500b\u6d41\u884c\u7684 NoSQL \u8cc7\u6599\u5eab\uff0c\u4e5f\u63d0\u4f9b\u4e86\u6392\u5e8f\u898f\u5247\u652f\u63f4\uff0c\u8b93\u958b\u767c\u8005\u80fd\u5920\u9032\u884c\u6e96\u78ba\u4e14\u672c\u5730\u5316\u7684\u5b57\u4e32\u6bd4\u8f03\u3002<\/p>\n<h2 id=\"why-is-collation-important-KveaxlVgTH\">\u70ba\u4ec0\u9ebc\u6392\u5e8f\u898f\u5247\u5f88\u91cd\u8981\uff1f<\/h2>\n<p>\u6392\u5e8f\u898f\u5247\u5728\u6d89\u53ca\u5b57\u4e32\u6bd4\u8f03\u7684\u8cc7\u6599\u5eab\u64cd\u4f5c\uff08\u5982\u6392\u5e8f\u3001\u641c\u5c0b\u548c\u7d22\u5f15\uff09\u4e2d\u8d77\u8457\u81f3\u95dc\u91cd\u8981\u7684\u4f5c\u7528\u3002\u5982\u679c\u6c92\u6709\u6b63\u78ba\u7684\u6392\u5e8f\u898f\u5247\u8a2d\u5b9a\uff0c\u9019\u4e9b\u64cd\u4f5c\u53ef\u80fd\u6703\u7522\u751f\u932f\u8aa4\u6216\u610f\u5916\u7684\u7d50\u679c\uff0c\u5c24\u5176\u662f\u5728\u8655\u7406\u591a\u8a9e\u8a00\u8cc7\u6599\u6642\u3002\u4f8b\u5982\uff0c\u5c0d\u4e0d\u540c\u8a9e\u8a00\u7684\u59d3\u540d\u9032\u884c\u6392\u5e8f\u6642\uff0c\u5fc5\u9808\u8003\u616e\u8a9e\u8a00\u7279\u5b9a\u7684\u5b57\u5143\u6392\u5e8f\u548c\u91cd\u97f3\u7b26\u865f\u898f\u5247\u3002<\/p>\n<p>\u900f\u904e\u4f7f\u7528\u6392\u5e8f\u898f\u5247\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u78ba\u4fdd\u8cc7\u6599\u5eab\u67e5\u8a62\u548c\u64cd\u4f5c\u5177\u5099\u8a9e\u8a00\u611f\u77e5\u6027\uff0c\u5f9e\u800c\u7522\u751f\u6e96\u78ba\u7684\u7d50\u679c\u3002\u6392\u5e8f\u898f\u5247\u5141\u8a31\u9032\u884c\u5927\u5c0f\u5beb\u4e0d\u654f\u611f\u6216\u654f\u611f\u7684\u6bd4\u8f03\u3001\u91cd\u97f3\u4e0d\u654f\u611f\u6216\u654f\u611f\u7684\u6bd4\u8f03\uff0c\u751a\u81f3\u662f\u4f9d\u64da\u5730\u5340\u7684\u6bd4\u8f03\u3002<\/p>\n<h2 id=\"mongodb-collation-features-KveaxlVgTH\">MongoDB \u6392\u5e8f\u898f\u5247\u529f\u80fd<\/h2>\n<p>MongoDB \u63d0\u4f9b\u4e86\u5168\u9762\u7684\u6392\u5e8f\u898f\u5247\u529f\u80fd\uff0c\u4ee5\u6eff\u8db3\u958b\u767c\u8005\u7684\u5404\u7a2e\u9700\u6c42\uff1a<\/p>\n<h3 id=\"1-locale-KveaxlVgTH\">1. \u8a9e\u8a00\u5730\u5340<\/h3>\n<p>locale \u53c3\u6578\u5b9a\u7fa9\u4e86\u9032\u884c\u5b57\u4e32\u6bd4\u8f03\u6642\u4f7f\u7528\u7684\u8a9e\u8a00\u548c\u6587\u5316\u898f\u5247\u3002\u5b83\u6307\u5b9a\u8a9e\u8a00\u3001\u570b\u5bb6\u548c\u8b8a\u9ad4\uff08\u5982\u679c\u9069\u7528\uff09\u3002\u4f8b\u5982\uff0c&#8221;en_US&#8221; \u4ee3\u8868\u7f8e\u570b\u82f1\u8a9e\uff0c\u800c &#8220;fr_FR&#8221; \u4ee3\u8868\u6cd5\u570b\u6cd5\u8a9e\u3002<\/p>\n<h3 id=\"2-strength-KveaxlVgTH\">2. \u6bd4\u8f03\u5f37\u5ea6<\/h3>\n<p>strength \u53c3\u6578\u6c7a\u5b9a\u4e86\u6bd4\u8f03\u7684\u654f\u611f\u5ea6\u5c64\u7d1a\u3002MongoDB \u652f\u63f4\u56db\u500b\u5c64\u7d1a\u7684\u5f37\u5ea6\uff1a<\/p>\n<ul>\n<li>1. \u521d\u7d1a\uff1a\u50c5\u57fa\u65bc\u57fa\u672c\u5b57\u5143\u9032\u884c\u6bd4\u8f03\uff0c\u5ffd\u7565\u5927\u5c0f\u5beb\u3001\u91cd\u97f3\u548c\u9644\u52a0\u7b26\u865f\u3002<\/li>\n<li>2. \u6b21\u7d1a\uff1a\u8003\u616e\u5927\u5c0f\u5beb\u548c\u9644\u52a0\u7b26\u865f\uff0c\u4f46\u5ffd\u7565\u91cd\u97f3\u3002<\/li>\n<li>3. \u7b2c\u4e09\u7d1a\uff1a\u8003\u616e\u5927\u5c0f\u5beb\u3001\u91cd\u97f3\u548c\u9644\u52a0\u7b26\u865f\u3002<\/li>\n<li>4. \u7b2c\u56db\u7d1a\uff1a\u5728\u6700\u9ad8\u7d30\u7bc0\u5c64\u7d1a\u9032\u884c\u6bd4\u8f03\uff0c\u5305\u62ec\u5927\u5c0f\u5beb\u3001\u91cd\u97f3\u3001\u9644\u52a0\u7b26\u865f\u548c\u6a19\u9ede\u7b26\u865f\u3002<\/li>\n<\/ul>\n<h3 id=\"3-case-sensitivity-KveaxlVgTH\">3. \u5927\u5c0f\u5beb\u654f\u611f\u5ea6<\/h3>\n<p>caseLevel \u53c3\u6578\u6c7a\u5b9a\u5b57\u4e32\u6bd4\u8f03\u662f\u5426\u5c0d\u5927\u5c0f\u5beb\u654f\u611f\u3002\u9ed8\u8a8d\u60c5\u6cc1\u4e0b\uff0cMongoDB \u9032\u884c\u7684\u662f\u5927\u5c0f\u5beb\u4e0d\u654f\u611f\u7684\u6bd4\u8f03\u3002\u4e0d\u904e\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u6839\u64da\u9700\u6c42\u6307\u5b9a\u5927\u5c0f\u5beb\u654f\u611f\u6027\u3002<\/p>\n<h3 id=\"4-accent-sensitivity-KveaxlVgTH\">4. \u91cd\u97f3\u654f\u611f\u5ea6<\/h3>\n<p>accentLevel \u53c3\u6578\u63a7\u5236\u5b57\u4e32\u6bd4\u8f03\u662f\u5426\u8003\u616e\u91cd\u97f3\u6216\u9644\u52a0\u7b26\u865f\u3002\u9ed8\u8a8d\u60c5\u6cc1\u4e0b\uff0cMongoDB \u9032\u884c\u7684\u662f\u91cd\u97f3\u4e0d\u654f\u611f\u7684\u6bd4\u8f03\u3002\u4e0d\u904e\uff0c\u7576\u6709\u5fc5\u8981\u6642\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u555f\u7528\u91cd\u97f3\u654f\u611f\u6027\u3002<\/p>\n<h3 id=\"5-numeric-order-KveaxlVgTH\">5. \u6578\u503c\u6392\u5e8f<\/h3>\n<p>numericOrdering \u53c3\u6578\u5b9a\u7fa9\u4e86\u5b57\u4e32\u4e2d\u6578\u503c\u7684\u6392\u5e8f\u65b9\u5f0f\u3002\u9ed8\u8a8d\u60c5\u6cc1\u4e0b\uff0cMongoDB \u5c07\u6578\u503c\u8996\u70ba\u5b57\u4e32\u9032\u884c\u6392\u5e8f\u3002\u4e0d\u904e\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u555f\u7528\u6578\u503c\u6392\u5e8f\uff0c\u6839\u64da\u6578\u503c\u5927\u5c0f\u9032\u884c\u6392\u5e8f\u3002<\/p>\n<h2 id=\"example-usage-KveaxlVgTH\">\u7bc4\u4f8b\u7528\u6cd5<\/h2>\n<p>\u8b93\u6211\u5011\u8003\u616e\u4e00\u500b\u7bc4\u4f8b\uff0c\u6211\u5011\u6709\u4e00\u500b\u5305\u542b\u4e0d\u540c\u8a9e\u8a00\u7522\u54c1\u540d\u7a31\u7684\u96c6\u5408\u3002\u6211\u5011\u5e0c\u671b\u57f7\u884c\u4e00\u500b\u5927\u5c0f\u5beb\u4e0d\u654f\u611f\u548c\u91cd\u97f3\u4e0d\u654f\u611f\u7684\u641c\u5c0b\uff0c\u4f86\u5c0b\u627e\u540d\u7a31\u4ee5 &#8220;ca&#8221; \u958b\u982d\u7684\u7522\u54c1\u3002\u4ee5\u4e0b\u662f\u5982\u4f55\u5728 MongoDB \u4e2d\u4f7f\u7528\u6392\u5e8f\u898f\u5247\u5be6\u73fe\u6b64\u529f\u80fd\u7684\u7bc4\u4f8b\uff1a<\/p>\n<pre><code>db.products.find({ name: { $regex: \"^ca\", $options: \"i\" } }).collation({ locale: \"en\", strength: 2 })<\/code><\/pre>\n<p>\u5728\u4e0a\u8ff0\u7bc4\u4f8b\u4e2d\uff0c\u6211\u5011\u4f7f\u7528 $regex \u904b\u7b97\u5b50\u9032\u884c\u4e00\u500b\u5927\u5c0f\u5beb\u4e0d\u654f\u611f\u7684\u641c\u5c0b\uff0c\u67e5\u627e\u540d\u7a31\u4ee5 &#8220;ca&#8221; \u958b\u982d\u7684\u7522\u54c1\u3002\u7136\u5f8c\uff0c\u4f7f\u7528 collation() \u65b9\u6cd5\u4f86\u6307\u5b9a\u6392\u5e8f\u898f\u5247\u9078\u9805\uff0c\u5305\u62ec\u8a9e\u8a00\u5730\u5340\u548c\u6bd4\u8f03\u5f37\u5ea6\u53c3\u6578\u3002<\/p>\n<h2 id=\"summary-KveaxlVgTH\">\u7e3d\u7d50<\/h2>\n<p>\u6392\u5e8f\u898f\u5247\u662f MongoDB \u4e2d\u7684\u4e00\u500b\u91cd\u8981\u529f\u80fd\uff0c\u5b83\u5141\u8a31\u958b\u767c\u8005\u9032\u884c\u6e96\u78ba\u4e14\u672c\u5730\u5316\u7684\u5b57\u4e32\u6bd4\u8f03\u3002\u900f\u904e\u904b\u7528\u6392\u5e8f\u898f\u5247\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u78ba\u4fdd\u8cc7\u6599\u5eab\u64cd\u4f5c\u5373\u4f7f\u5728\u8655\u7406\u591a\u8a9e\u8a00\u8cc7\u6599\u6642\uff0c\u4ecd\u80fd\u7522\u751f\u6b63\u78ba\u548c\u9810\u671f\u7684\u7d50\u679c\u3002MongoDB \u63d0\u4f9b\u7684\u5168\u9762\u6392\u5e8f\u898f\u5247\u529f\u80fd\uff0c\u5982\u8a9e\u8a00\u5730\u5340\u3001\u6bd4\u8f03\u5f37\u5ea6\u3001\u5927\u5c0f\u5beb\u654f\u611f\u6027\u3001\u91cd\u97f3\u654f\u611f\u6027\u548c\u6578\u503c\u6392\u5e8f\uff0c\u63d0\u4f9b\u4e86\u8655\u7406\u591a\u6a23\u8a9e\u8a00\u9700\u6c42\u6240\u9700\u7684\u9748\u6d3b\u6027\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u53ef\u9760\u7684 VPS \u8a17\u7ba1\u89e3\u6c7a\u65b9\u6848\u4f86\u652f\u6301\u60a8\u7684 MongoDB \u8cc7\u6599\u5eab\uff0c\u8acb\u8003\u616e <a href=\"https:\/\/server.hk\">Server.HK<\/a>\u3002\u4ed6\u5011\u63d0\u4f9b\u7684\u4e00\u6d41 VPS \u89e3\u6c7a\u65b9\u6848\uff0c\u80fd\u5920\u78ba\u4fdd\u60a8\u7684 MongoDB \u90e8\u7f72\u7372\u5f97\u6700\u4f73\u6027\u80fd\u548c\u64f4\u5c55\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>MongoDB \u8a5e\u5f59\u8868 &#038;#82&#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":[4925],"tags":[],"class_list":["post-21551","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/21551","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=21551"}],"version-history":[{"count":2,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/21551\/revisions"}],"predecessor-version":[{"id":23900,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/21551\/revisions\/23900"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=21551"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=21551"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=21551"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}