{"id":176157,"date":"2024-11-08T10:33:18","date_gmt":"2024-11-08T02:33:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/176157\/"},"modified":"2024-11-08T10:33:19","modified_gmt":"2024-11-08T02:33:19","slug":"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9mongodb%e9%8c%af%e8%aa%a4%e4%bb%a3%e7%a2%bc-86-%e7%b4%a2%e5%bc%95%e9%8d%b5%e8%a6%8f%e6%a0%bc%e8%a1%9d%e7%aa%81","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/176157\/","title":{"rendered":"\u5982\u4f55\u4fee\u5fa9MongoDB\u932f\u8aa4\u4ee3\u78bc &#8211; 86 &#8211; \u7d22\u5f15\u9375\u898f\u683c\u885d\u7a81"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9mongodb%e9%8c%af%e8%aa%a4%e4%bb%a3%e7%a2%bc-86-%e7%b4%a2%e5%bc%95%e9%8d%b5%e8%a6%8f%e6%a0%bc%e8%a1%9d%e7%aa%81-SXJEjKIczX\">\u5982\u4f55\u4fee\u5fa9MongoDB\u932f\u8aa4\u4ee3\u78bc &#8211; 86 &#8211; \u7d22\u5f15\u9375\u898f\u683c\u885d\u7a81<\/h1>\n<p>\u5728\u4f7f\u7528MongoDB\u7684\u904e\u7a0b\u4e2d\uff0c\u958b\u767c\u8005\u53ef\u80fd\u6703\u9047\u5230\u5404\u7a2e\u932f\u8aa4\u4ee3\u78bc\uff0c\u5176\u4e2d\u4e4b\u4e00\u5c31\u662f\u932f\u8aa4\u4ee3\u78bc86\uff0c\u9019\u901a\u5e38\u8868\u793a\u7d22\u5f15\u9375\u898f\u683c\u885d\u7a81\u3002\u9019\u7bc7\u6587\u7ae0\u5c07\u6df1\u5165\u63a2\u8a0e\u9019\u500b\u932f\u8aa4\u7684\u539f\u56e0\u3001\u5f71\u97ff\u4ee5\u53ca\u5982\u4f55\u6709\u6548\u5730\u4fee\u5fa9\u5b83\u3002<\/p>\n<h2 id=\"%e9%8c%af%e8%aa%a4%e4%bb%a3%e7%a2%bc86%e7%9a%84%e5%ae%9a%e7%be%a9-SXJEjKIczX\">\u932f\u8aa4\u4ee3\u78bc86\u7684\u5b9a\u7fa9<\/h2>\n<p>MongoDB\u7684\u932f\u8aa4\u4ee3\u78bc86\u901a\u5e38\u51fa\u73fe\u5728\u5617\u8a66\u5275\u5efa\u6216\u4fee\u6539\u7d22\u5f15\u6642\uff0c\u7576\u65b0\u7684\u7d22\u5f15\u9375\u898f\u683c\u8207\u73fe\u6709\u7684\u7d22\u5f15\u9375\u898f\u683c\u4e0d\u4e00\u81f4\u6642\uff0c\u5c31\u6703\u5f15\u767c\u6b64\u932f\u8aa4\u3002\u9019\u610f\u5473\u8457\u5728\u540c\u4e00\u500b\u96c6\u5408\u4e2d\uff0c\u60a8\u53ef\u80fd\u5df2\u7d93\u6709\u4e00\u500b\u7d22\u5f15\u4f7f\u7528\u4e86\u76f8\u540c\u7684\u5b57\u6bb5\uff0c\u4f46\u5176\u6392\u5e8f\u6216\u5176\u4ed6\u5c6c\u6027\u537b\u4e0d\u540c\u3002<\/p>\n<h2 id=\"%e9%8c%af%e8%aa%a4%e7%9a%84%e5%b8%b8%e8%a6%8b%e5%8e%9f%e5%9b%a0-SXJEjKIczX\">\u932f\u8aa4\u7684\u5e38\u898b\u539f\u56e0<\/h2>\n<ul>\n<li><strong>\u7d22\u5f15\u91cd\u8907\uff1a<\/strong>\u7576\u60a8\u5617\u8a66\u5275\u5efa\u4e00\u500b\u65b0\u7684\u7d22\u5f15\uff0c\u800c\u8a72\u7d22\u5f15\u7684\u9375\u8207\u5df2\u5b58\u5728\u7684\u7d22\u5f15\u9375\u76f8\u540c\uff0c\u4f46\u6392\u5e8f\u65b9\u5f0f\u4e0d\u540c\u6642\uff0c\u5c31\u6703\u51fa\u73fe\u6b64\u932f\u8aa4\u3002<\/li>\n<li><strong>\u7d22\u5f15\u5b57\u6bb5\u985e\u578b\u4e0d\u4e00\u81f4\uff1a<\/strong>\u5982\u679c\u60a8\u5728\u4e0d\u540c\u7684\u7d22\u5f15\u4e2d\u4f7f\u7528\u4e86\u76f8\u540c\u7684\u5b57\u6bb5\uff0c\u4f46\u9019\u4e9b\u5b57\u6bb5\u7684\u6578\u64da\u985e\u578b\u4e0d\u540c\uff0c\u4e5f\u6703\u5c0e\u81f4\u885d\u7a81\u3002<\/li>\n<li><strong>\u4e0d\u6b63\u78ba\u7684\u7d22\u5f15\u5b9a\u7fa9\uff1a<\/strong>\u5728\u5275\u5efa\u7d22\u5f15\u6642\uff0c\u5982\u679c\u5b9a\u7fa9\u4e0d\u6b63\u78ba\uff0c\u4f8b\u5982\u4f7f\u7528\u4e86\u4e0d\u652f\u6301\u7684\u9078\u9805\uff0c\u4e5f\u53ef\u80fd\u5f15\u767c\u6b64\u932f\u8aa4\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9%e9%8c%af%e8%aa%a4%e4%bb%a3%e7%a2%bc86-SXJEjKIczX\">\u5982\u4f55\u4fee\u5fa9\u932f\u8aa4\u4ee3\u78bc86<\/h2>\n<p>\u4fee\u5fa9MongoDB\u932f\u8aa4\u4ee3\u78bc86\u7684\u904e\u7a0b\u901a\u5e38\u6d89\u53ca\u4ee5\u4e0b\u5e7e\u500b\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e6%aa%a2%e6%9f%a5%e7%8f%be%e6%9c%89%e7%b4%a2%e5%bc%95-SXJEjKIczX\">1. \u6aa2\u67e5\u73fe\u6709\u7d22\u5f15<\/h3>\n<p>\u9996\u5148\uff0c\u60a8\u9700\u8981\u6aa2\u67e5\u7576\u524d\u96c6\u5408\u4e2d\u7684\u6240\u6709\u7d22\u5f15\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u4f86\u5217\u51fa\u6240\u6709\u7d22\u5f15\uff1a<\/p>\n<pre><code>db.collection.getIndexes()<\/code><\/pre>\n<p>\u9019\u5c07\u986f\u793a\u6240\u6709\u7d22\u5f15\u7684\u8a73\u7d30\u4fe1\u606f\uff0c\u5305\u62ec\u5b57\u6bb5\u3001\u6392\u5e8f\u548c\u5176\u4ed6\u5c6c\u6027\u3002\u901a\u904e\u9019\u4e9b\u4fe1\u606f\uff0c\u60a8\u53ef\u4ee5\u78ba\u5b9a\u662f\u5426\u5b58\u5728\u8207\u60a8\u5617\u8a66\u5275\u5efa\u7684\u7d22\u5f15\u885d\u7a81\u7684\u7d22\u5f15\u3002<\/p>\n<h3 id=\"2-%e5%88%aa%e9%99%a4%e6%88%96%e4%bf%ae%e6%94%b9%e8%a1%9d%e7%aa%81%e7%9a%84%e7%b4%a2%e5%bc%95-SXJEjKIczX\">2. \u522a\u9664\u6216\u4fee\u6539\u885d\u7a81\u7684\u7d22\u5f15<\/h3>\n<p>\u5982\u679c\u767c\u73fe\u6709\u885d\u7a81\u7684\u7d22\u5f15\uff0c\u60a8\u53ef\u4ee5\u9078\u64c7\u522a\u9664\u6216\u4fee\u6539\u5b83\u3002\u522a\u9664\u7d22\u5f15\u7684\u547d\u4ee4\u5982\u4e0b\uff1a<\/p>\n<pre><code>db.collection.dropIndex(\"indexName\")<\/code><\/pre>\n<p>\u5728\u9019\u88e1\uff0c&#8221;indexName&#8221;\u662f\u60a8\u8981\u522a\u9664\u7684\u7d22\u5f15\u7684\u540d\u7a31\u3002\u78ba\u4fdd\u5728\u522a\u9664\u7d22\u5f15\u4e4b\u524d\uff0c\u60a8\u5df2\u7d93\u8a55\u4f30\u4e86\u9019\u6a23\u505a\u7684\u5f71\u97ff\u3002<\/p>\n<h3 id=\"3-%e5%89%b5%e5%bb%ba%e6%96%b0%e7%9a%84%e7%b4%a2%e5%bc%95-SXJEjKIczX\">3. \u5275\u5efa\u65b0\u7684\u7d22\u5f15<\/h3>\n<p>\u5728\u89e3\u6c7a\u4e86\u885d\u7a81\u4e4b\u5f8c\uff0c\u60a8\u53ef\u4ee5\u91cd\u65b0\u5275\u5efa\u6240\u9700\u7684\u7d22\u5f15\u3002\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u4f86\u5275\u5efa\u7d22\u5f15\uff1a<\/p>\n<pre><code>db.collection.createIndex({ fieldName: 1 })<\/code><\/pre>\n<p>\u5728\u9019\u88e1\uff0c&#8221;fieldName&#8221;\u662f\u60a8\u8981\u7d22\u5f15\u7684\u5b57\u6bb5\uff0c&#8221;1&#8243;\u8868\u793a\u5347\u5e8f\u6392\u5e8f\u3002\u5982\u679c\u9700\u8981\u964d\u5e8f\u6392\u5e8f\uff0c\u53ef\u4ee5\u4f7f\u7528&#8221;-1&#8243;\u3002<\/p>\n<h3 id=\"4-%e6%b8%ac%e8%a9%a6%e5%92%8c%e9%a9%97%e8%ad%89-SXJEjKIczX\">4. \u6e2c\u8a66\u548c\u9a57\u8b49<\/h3>\n<p>\u6700\u5f8c\uff0c\u5275\u5efa\u7d22\u5f15\u5f8c\uff0c\u8acb\u52d9\u5fc5\u6e2c\u8a66\u548c\u9a57\u8b49\u5176\u529f\u80fd\u662f\u5426\u6b63\u5e38\u3002\u60a8\u53ef\u4ee5\u518d\u6b21\u4f7f\u7528 <code>getIndexes()<\/code> \u547d\u4ee4\u4f86\u78ba\u8a8d\u7d22\u5f15\u5df2\u6b63\u78ba\u5275\u5efa\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-SXJEjKIczX\">\u7e3d\u7d50<\/h2>\n<p>MongoDB\u932f\u8aa4\u4ee3\u78bc86 &#8211; \u7d22\u5f15\u9375\u898f\u683c\u885d\u7a81\u662f\u4e00\u500b\u5e38\u898b\u7684\u554f\u984c\uff0c\u4f46\u901a\u904e\u4ed4\u7d30\u6aa2\u67e5\u73fe\u6709\u7d22\u5f15\u3001\u522a\u9664\u6216\u4fee\u6539\u885d\u7a81\u7684\u7d22\u5f15\u4ee5\u53ca\u6b63\u78ba\u5275\u5efa\u65b0\u7684\u7d22\u5f15\uff0c\u60a8\u53ef\u4ee5\u6709\u6548\u5730\u89e3\u6c7a\u9019\u500b\u554f\u984c\u3002\u4e86\u89e3\u5982\u4f55\u7ba1\u7406\u548c\u7dad\u8b77\u7d22\u5f15\u5c0d\u65bc\u78ba\u4fddMongoDB\u6578\u64da\u5eab\u7684\u6027\u80fd\u81f3\u95dc\u91cd\u8981\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u904b\u884c\u60a8\u7684MongoDB\u6578\u64da\u5eab\uff0cServer.HK\u63d0\u4f9b\u4e86\u591a\u7a2e\u9078\u64c7\uff0c\u9069\u5408\u4e0d\u540c\u9700\u6c42\u7684\u7528\u6236\u3002\u7121\u8ad6\u662f <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u9084\u662f\u5176\u4ed6\u985e\u578b\u7684 <a href=\"https:\/\/server.hk\">\u4f3a\u670d\u5668<\/a>\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5982\u4f55\u4fee\u5fa9MongoDB\u932f\u8aa4\u4ee3\u78bc86\uff0c\u89e3\u6c7a\u7d22\u5f15\u9375\u898f\u683c\u885d\u7a81\u554f\u984c\uff0c\u78ba\u4fdd\u6578\u64da\u5eab\u904b\u884c\u9806\u66a2\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-176157","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/176157","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"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=176157"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/176157\/revisions"}],"predecessor-version":[{"id":176158,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/176157\/revisions\/176158"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=176157"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=176157"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=176157"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}