{"id":194113,"date":"2024-11-13T03:52:19","date_gmt":"2024-11-12T19:52:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/194113\/"},"modified":"2024-11-13T03:52:20","modified_gmt":"2024-11-12T19:52:20","slug":"%e4%b8%80%e7%af%87%e5%b8%b6%e4%bd%a0%e4%ba%86%e8%a7%a3%e6%95%b8%e6%93%9a%e5%ba%ab%e7%b4%a2%e5%bc%95%e7%9a%84%e9%a1%9e%e5%9e%8b","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/194113\/","title":{"rendered":"\u4e00\u7bc7\u5e36\u4f60\u4e86\u89e3\u6578\u64da\u5eab\u7d22\u5f15\u7684\u985e\u578b"},"content":{"rendered":"<h1 id=\"%e4%b8%80%e7%af%87%e5%b8%b6%e4%bd%a0%e4%ba%86%e8%a7%a3%e6%95%b8%e6%93%9a%e5%ba%ab%e7%b4%a2%e5%bc%95%e7%9a%84%e9%a1%9e%e5%9e%8b-XLPvpYOvwW\">\u4e00\u7bc7\u5e36\u4f60\u4e86\u89e3\u6578\u64da\u5eab\u7d22\u5f15\u7684\u985e\u578b<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\u4e2d\uff0c\u7d22\u5f15\u662f\u4e00\u7a2e\u91cd\u8981\u7684\u6578\u64da\u7d50\u69cb\uff0c\u7528\u65bc\u63d0\u9ad8\u67e5\u8a62\u6548\u7387\u3002\u7d22\u5f15\u7684\u5b58\u5728\u4f7f\u5f97\u6578\u64da\u5eab\u80fd\u5920\u5feb\u901f\u5b9a\u4f4d\u5230\u6240\u9700\u7684\u6578\u64da\uff0c\u800c\u4e0d\u5fc5\u9010\u884c\u6383\u63cf\u6574\u500b\u8868\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u6578\u64da\u5eab\u7d22\u5f15\u7684\u985e\u578b\u53ca\u5176\u7279\u9ede\uff0c\u5e6b\u52a9\u8b80\u8005\u66f4\u597d\u5730\u7406\u89e3\u5982\u4f55\u5229\u7528\u7d22\u5f15\u4f86\u512a\u5316\u6578\u64da\u5eab\u6027\u80fd\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e6%95%b8%e6%93%9a%e5%ba%ab%e7%b4%a2%e5%bc%95%ef%bc%9f-XLPvpYOvwW\">\u4ec0\u9ebc\u662f\u6578\u64da\u5eab\u7d22\u5f15\uff1f<\/h2>\n<p>\u6578\u64da\u5eab\u7d22\u5f15\u662f\u4e00\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u901a\u5e38\u662f\u57fa\u65bc\u67d0\u4e00\u5217\u6216\u591a\u5217\u7684\u503c\u4f86\u7d44\u7e54\u6578\u64da\u3002\u5b83\u985e\u4f3c\u65bc\u66f8\u7c4d\u7684\u76ee\u9304\uff0c\u80fd\u5920\u5e6b\u52a9\u7528\u6236\u5feb\u901f\u627e\u5230\u6240\u9700\u7684\u4fe1\u606f\u3002\u7d22\u5f15\u7684\u4e3b\u8981\u76ee\u7684\u662f\u63d0\u9ad8\u67e5\u8a62\u901f\u5ea6\uff0c\u7279\u5225\u662f\u5728\u8655\u7406\u5927\u91cf\u6578\u64da\u6642\uff0c\u7d22\u5f15\u7684\u4f5c\u7528\u5c24\u70ba\u660e\u986f\u3002<\/p>\n<h2 id=\"%e7%b4%a2%e5%bc%95%e7%9a%84%e9%a1%9e%e5%9e%8b-XLPvpYOvwW\">\u7d22\u5f15\u7684\u985e\u578b<\/h2>\n<p>\u6578\u64da\u5eab\u7d22\u5f15\u53ef\u4ee5\u6839\u64da\u4e0d\u540c\u7684\u7279\u5fb5\u9032\u884c\u5206\u985e\uff0c\u4ee5\u4e0b\u662f\u5e7e\u7a2e\u5e38\u898b\u7684\u7d22\u5f15\u985e\u578b\uff1a<\/p>\n<h3 id=\"1-b%e6%a8%b9%e7%b4%a2%e5%bc%95-XLPvpYOvwW\">1. B\u6a39\u7d22\u5f15<\/h3>\n<p>B\u6a39\u7d22\u5f15\u662f\u4e00\u7a2e\u81ea\u5e73\u8861\u7684\u6a39\u5f62\u6578\u64da\u7d50\u69cb\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u4e2d\u3002\u5b83\u7684\u7279\u9ede\u662f\u80fd\u5920\u4fdd\u6301\u6578\u64da\u7684\u6709\u5e8f\u6027\uff0c\u4e26\u4e14\u652f\u6301\u9ad8\u6548\u7684\u63d2\u5165\u3001\u522a\u9664\u548c\u67e5\u8a62\u64cd\u4f5c\u3002B\u6a39\u7d22\u5f15\u7684\u67e5\u8a62\u6642\u9593\u8907\u96dc\u5ea6\u70baO(log n)\uff0c\u9019\u4f7f\u5f97\u5b83\u5728\u8655\u7406\u5927\u91cf\u6578\u64da\u6642\u8868\u73fe\u51fa\u8272\u3002<\/p>\n<h4 id=\"%e7%a4%ba%e4%be%8b%ef%bc%9a-XLPvpYOvwW\">\u793a\u4f8b\uff1a<\/h4>\n<pre><code>CREATE INDEX idx_name ON users(name);<\/code><\/pre>\n<h3 id=\"2-%e5%93%88%e5%b8%8c%e7%b4%a2%e5%bc%95-XLPvpYOvwW\">2. \u54c8\u5e0c\u7d22\u5f15<\/h3>\n<p>\u54c8\u5e0c\u7d22\u5f15\u4f7f\u7528\u54c8\u5e0c\u8868\u4f86\u5b58\u5132\u6578\u64da\uff0c\u9069\u5408\u7528\u65bc\u7b49\u503c\u67e5\u8a62\u3002\u5b83\u7684\u67e5\u8a62\u901f\u5ea6\u975e\u5e38\u5feb\uff0c\u4f46\u4e0d\u652f\u6301\u7bc4\u570d\u67e5\u8a62\u3002\u54c8\u5e0c\u7d22\u5f15\u7684\u67e5\u8a62\u6642\u9593\u8907\u96dc\u5ea6\u70baO(1)\uff0c\u4f46\u5728\u6578\u64da\u91cf\u8f03\u5927\u6642\uff0c\u54c8\u5e0c\u78b0\u649e\u53ef\u80fd\u6703\u5f71\u97ff\u6027\u80fd\u3002<\/p>\n<h4 id=\"%e7%a4%ba%e4%be%8b%ef%bc%9a-XLPvpYOvwW\">\u793a\u4f8b\uff1a<\/h4>\n<pre><code>CREATE INDEX idx_email ON users(email) USING HASH;<\/code><\/pre>\n<h3 id=\"3-%e5%85%a8%e6%96%87%e7%b4%a2%e5%bc%95-XLPvpYOvwW\">3. \u5168\u6587\u7d22\u5f15<\/h3>\n<p>\u5168\u6587\u7d22\u5f15\u4e3b\u8981\u7528\u65bc\u8655\u7406\u6587\u672c\u6578\u64da\uff0c\u652f\u6301\u5c0d\u6587\u672c\u5167\u5bb9\u9032\u884c\u95dc\u9375\u5b57\u641c\u7d22\u3002\u9019\u7a2e\u7d22\u5f15\u7279\u5225\u9069\u5408\u7528\u65bc\u641c\u7d22\u5f15\u64ce\u548c\u5167\u5bb9\u7ba1\u7406\u7cfb\u7d71\u3002\u5168\u6587\u7d22\u5f15\u901a\u5e38\u6703\u5c07\u6587\u672c\u5206\u8a5e\uff0c\u4e26\u5efa\u7acb\u5012\u6392\u7d22\u5f15\uff0c\u4ee5\u63d0\u9ad8\u67e5\u8a62\u6548\u7387\u3002<\/p>\n<h4 id=\"%e7%a4%ba%e4%be%8b%ef%bc%9a-XLPvpYOvwW\">\u793a\u4f8b\uff1a<\/h4>\n<pre><code>CREATE FULLTEXT INDEX idx_content ON articles(content);<\/code><\/pre>\n<h3 id=\"4-%e7%a9%ba%e9%96%93%e7%b4%a2%e5%bc%95-XLPvpYOvwW\">4. \u7a7a\u9593\u7d22\u5f15<\/h3>\n<p>\u7a7a\u9593\u7d22\u5f15\u7528\u65bc\u8655\u7406\u5730\u7406\u6578\u64da\u6216\u5176\u4ed6\u591a\u7dad\u6578\u64da\u3002\u5b83\u80fd\u5920\u9ad8\u6548\u5730\u652f\u6301\u7bc4\u570d\u67e5\u8a62\u548c\u9130\u8fd1\u67e5\u8a62\uff0c\u5e38\u898b\u7684\u5be6\u73fe\u65b9\u5f0f\u5305\u62ecR\u6a39\u548cQuad\u6a39\u3002\u9019\u985e\u7d22\u5f15\u5728\u5730\u7406\u4fe1\u606f\u7cfb\u7d71\uff08GIS\uff09\u4e2d\u5c24\u70ba\u91cd\u8981\u3002<\/p>\n<h4 id=\"%e7%a4%ba%e4%be%8b%ef%bc%9a-XLPvpYOvwW\">\u793a\u4f8b\uff1a<\/h4>\n<pre><code>CREATE SPATIAL INDEX idx_location ON locations(geom);<\/code><\/pre>\n<h2 id=\"%e7%b4%a2%e5%bc%95%e7%9a%84%e5%84%aa%e7%bc%ba%e9%bb%9e-XLPvpYOvwW\">\u7d22\u5f15\u7684\u512a\u7f3a\u9ede<\/h2>\n<p>\u96d6\u7136\u7d22\u5f15\u80fd\u5920\u986f\u8457\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\uff0c\u4f46\u5b83\u5011\u4e5f\u6709\u4e00\u4e9b\u7f3a\u9ede\u3002\u9996\u5148\uff0c\u7d22\u5f15\u6703\u4f54\u7528\u984d\u5916\u7684\u5b58\u5132\u7a7a\u9593\uff0c\u5c24\u5176\u662f\u5728\u6578\u64da\u91cf\u9f90\u5927\u7684\u60c5\u6cc1\u4e0b\u3002\u5176\u6b21\uff0c\u5c0d\u65bc\u983b\u7e41\u9032\u884c\u63d2\u5165\u3001\u522a\u9664\u64cd\u4f5c\u7684\u8868\uff0c\u7d22\u5f15\u7684\u7dad\u8b77\u6210\u672c\u6703\u589e\u52a0\uff0c\u53ef\u80fd\u5c0e\u81f4\u6027\u80fd\u4e0b\u964d\u3002\u56e0\u6b64\uff0c\u5728\u8a2d\u8a08\u6578\u64da\u5eab\u6642\uff0c\u9700\u8981\u6839\u64da\u5177\u9ad4\u60c5\u6cc1\u5408\u7406\u9078\u64c7\u7d22\u5f15\u985e\u578b\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-XLPvpYOvwW\">\u7e3d\u7d50<\/h2>\n<p>\u6578\u64da\u5eab\u7d22\u5f15\u662f\u63d0\u9ad8\u67e5\u8a62\u6548\u7387\u7684\u91cd\u8981\u5de5\u5177\uff0c\u4e86\u89e3\u4e0d\u540c\u985e\u578b\u7684\u7d22\u5f15\u53ca\u5176\u7279\u9ede\u80fd\u5e6b\u52a9\u958b\u767c\u8005\u66f4\u597d\u5730\u8a2d\u8a08\u6578\u64da\u5eab\u7d50\u69cb\u3002\u9078\u64c7\u5408\u9069\u7684\u7d22\u5f15\u985e\u578b\u53ef\u4ee5\u986f\u8457\u63d0\u5347\u6578\u64da\u5eab\u7684\u6027\u80fd\uff0c\u7279\u5225\u662f\u5728\u8655\u7406\u5927\u91cf\u6578\u64da\u6642\u3002\u82e5\u60a8\u5c0d\u65bc\u6578\u64da\u5eab\u7ba1\u7406\u6216\u5176\u4ed6\u76f8\u95dc\u6280\u8853\u6709\u8208\u8da3\uff0c\u6b61\u8fce\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4e86\u89e3\u66f4\u591a\u8cc7\u8a0a\uff0c\u63a2\u7d22\u6211\u5011\u7684<a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0c\u6216\u662f\u5176\u4ed6\u7684<a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u670d\u52d9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u6578\u64da\u5eab\u7d22\u5f15\u7684\u4e0d\u540c\u985e\u578b\uff0c\u4e86\u89e3\u5b83\u5011\u7684\u529f\u80fd\u8207\u512a\u52e2\uff0c\u63d0\u5347\u6578\u64da\u67e5\u8a62\u6548\u7387\uff0c\u512a\u5316\u6578\u64da\u5eab\u6027\u80fd\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-194113","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/194113","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=194113"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/194113\/revisions"}],"predecessor-version":[{"id":194114,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/194113\/revisions\/194114"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=194113"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=194113"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=194113"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}