{"id":98482,"date":"2024-10-21T02:58:20","date_gmt":"2024-10-20T18:58:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/98482\/"},"modified":"2024-10-21T02:58:20","modified_gmt":"2024-10-20T18:58:20","slug":"redis-%e4%bb%a3%e6%9b%bf-sql-%e8%ae%93%e6%95%b8%e6%93%9a%e6%9b%b4%e5%bf%ab%e9%80%9f%e5%ad%98%e5%8f%96","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/98482\/","title":{"rendered":"Redis \u4ee3\u66ff SQL \u8b93\u6578\u64da\u66f4\u5feb\u901f\u5b58\u53d6"},"content":{"rendered":"<h1 id=\"redis-%e4%bb%a3%e6%9b%bf-sql-%e8%ae%93%e6%95%b8%e6%93%9a%e6%9b%b4%e5%bf%ab%e9%80%9f%e5%ad%98%e5%8f%96-vLvcwNhDih\">Redis \u4ee3\u66ff SQL \u8b93\u6578\u64da\u66f4\u5feb\u901f\u5b58\u53d6<\/h1>\n<p>\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u4e16\u754c\u4e2d\uff0c\u6578\u64da\u5b58\u53d6\u7684\u901f\u5ea6\u548c\u6548\u7387\u5c0d\u65bc\u4f01\u696d\u7684\u6210\u529f\u81f3\u95dc\u91cd\u8981\u3002\u50b3\u7d71\u7684 SQL \u6578\u64da\u5eab\u96d6\u7136\u5728\u7d50\u69cb\u5316\u6578\u64da\u7ba1\u7406\u65b9\u9762\u8868\u73fe\u51fa\u8272\uff0c\u4f46\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u4f7f\u7528 Redis \u9019\u7a2e NoSQL \u6578\u64da\u5eab\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u6578\u64da\u5b58\u53d6\u7684\u901f\u5ea6\u3002\u672c\u6587\u5c07\u63a2\u8a0e Redis \u7684\u7279\u9ede\u53ca\u5176\u5982\u4f55\u66ff\u4ee3 SQL \u6578\u64da\u5eab\u4ee5\u5be6\u73fe\u66f4\u5feb\u901f\u7684\u6578\u64da\u5b58\u53d6\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af-redis%ef%bc%9f-vLvcwNhDih\">\u4ec0\u9ebc\u662f Redis\uff1f<\/h2>\n<p>Redis\uff08Remote Dictionary Server\uff09\u662f\u4e00\u7a2e\u958b\u6e90\u7684\u9ad8\u6027\u80fd\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u901a\u5e38\u7528\u4f5c\u6578\u64da\u5eab\u3001\u7de9\u5b58\u548c\u6d88\u606f\u4ee3\u7406\u3002\u5b83\u4ee5\u5176\u6975\u5feb\u7684\u6578\u64da\u5b58\u53d6\u901f\u5ea6\u548c\u9748\u6d3b\u7684\u6578\u64da\u7d50\u69cb\u800c\u805e\u540d\uff0c\u652f\u6301\u5b57\u7b26\u4e32\u3001\u54c8\u5e0c\u3001\u5217\u8868\u3001\u96c6\u5408\u548c\u6709\u5e8f\u96c6\u5408\u7b49\u591a\u7a2e\u6578\u64da\u985e\u578b\u3002<\/p>\n<h2 id=\"redis-%e7%9a%84%e5%84%aa%e5%8b%a2-vLvcwNhDih\">Redis \u7684\u512a\u52e2<\/h2>\n<ul>\n<li><strong>\u9ad8\u6027\u80fd\uff1a<\/strong>Redis \u7684\u6578\u64da\u5b58\u53d6\u901f\u5ea6\u53ef\u9054\u6bcf\u79d2\u6578\u5341\u842c\u6b21\u64cd\u4f5c\uff0c\u9019\u4f7f\u5f97\u5b83\u5728\u9700\u8981\u5feb\u901f\u97ff\u61c9\u7684\u61c9\u7528\u4e2d\u975e\u5e38\u53d7\u6b61\u8fce\u3002<\/li>\n<li><strong>\u7c21\u55ae\u6613\u7528\uff1a<\/strong>Redis \u7684 API \u7c21\u55ae\u660e\u77ad\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u8f15\u9b06\u4e0a\u624b\uff0c\u5feb\u901f\u5be6\u73fe\u6578\u64da\u5b58\u53d6\u3002<\/li>\n<li><strong>\u9748\u6d3b\u7684\u6578\u64da\u7d50\u69cb\uff1a<\/strong>Redis \u652f\u6301\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u9019\u4f7f\u5f97\u5b83\u80fd\u5920\u9069\u61c9\u4e0d\u540c\u7684\u61c9\u7528\u5834\u666f\u3002<\/li>\n<li><strong>\u6301\u4e45\u5316\u9078\u9805\uff1a<\/strong>\u96d6\u7136 Redis \u662f\u4e00\u500b\u5167\u5b58\u6578\u64da\u5eab\uff0c\u4f46\u5b83\u63d0\u4f9b\u4e86\u591a\u7a2e\u6301\u4e45\u5316\u9078\u9805\uff0c\u78ba\u4fdd\u6578\u64da\u4e0d\u6703\u56e0\u70ba\u7cfb\u7d71\u5d29\u6f70\u800c\u4e1f\u5931\u3002<\/li>\n<\/ul>\n<h2 id=\"redis-%e5%a6%82%e4%bd%95%e6%9b%bf%e4%bb%a3-sql-%e6%95%b8%e6%93%9a%e5%ba%ab-vLvcwNhDih\">Redis \u5982\u4f55\u66ff\u4ee3 SQL \u6578\u64da\u5eab<\/h2>\n<p>\u5728\u67d0\u4e9b\u61c9\u7528\u5834\u666f\u4e2d\uff0cRedis \u53ef\u4ee5\u4f5c\u70ba SQL \u6578\u64da\u5eab\u7684\u66ff\u4ee3\u65b9\u6848\uff0c\u7279\u5225\u662f\u5728\u9700\u8981\u9ad8\u983b\u6b21\u8b80\u53d6\u548c\u5beb\u5165\u7684\u60c5\u6cc1\u4e0b\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5177\u9ad4\u7684\u61c9\u7528\u5834\u666f\uff1a<\/p>\n<h3 id=\"1-%e7%b7%a9%e5%ad%98%e5%b1%a4-vLvcwNhDih\">1. \u7de9\u5b58\u5c64<\/h3>\n<p>\u5728\u8a31\u591a\u61c9\u7528\u4e2d\uff0c\u4f7f\u7528 Redis \u4f5c\u70ba\u7de9\u5b58\u5c64\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u6027\u80fd\u3002\u4f8b\u5982\uff0c\u7576\u7528\u6236\u8acb\u6c42\u67d0\u500b\u6578\u64da\u6642\uff0c\u7cfb\u7d71\u9996\u5148\u67e5\u8a62 Redis \u7de9\u5b58\uff0c\u5982\u679c\u6578\u64da\u5b58\u5728\uff0c\u5247\u76f4\u63a5\u8fd4\u56de\uff0c\u5426\u5247\u518d\u67e5\u8a62 SQL \u6578\u64da\u5eab\u3002\u9019\u6a23\u53ef\u4ee5\u6e1b\u5c11\u5c0d SQL \u6578\u64da\u5eab\u7684\u8acb\u6c42\uff0c\u5f9e\u800c\u63d0\u9ad8\u6574\u9ad4\u97ff\u61c9\u901f\u5ea6\u3002<\/p>\n<pre><code>if (redis.exists(key)) {\n    return redis.get(key);\n} else {\n    data = sql.query(\"SELECT * FROM table WHERE id = ?\", id);\n    redis.set(key, data);\n    return data;\n}<\/code><\/pre>\n<h3 id=\"2-%e5%af%a6%e6%99%82%e6%95%b8%e6%93%9a%e8%99%95%e7%90%86-vLvcwNhDih\">2. \u5be6\u6642\u6578\u64da\u8655\u7406<\/h3>\n<p>Redis \u7684\u9ad8\u6027\u80fd\u7279\u6027\u4f7f\u5176\u975e\u5e38\u9069\u5408\u7528\u65bc\u5be6\u6642\u6578\u64da\u8655\u7406\u3002\u4f8b\u5982\uff0c\u5728\u793e\u4ea4\u5a92\u9ad4\u61c9\u7528\u4e2d\uff0c\u4f7f\u7528 Redis \u53ef\u4ee5\u5feb\u901f\u66f4\u65b0\u7528\u6236\u7684\u52d5\u614b\u4fe1\u606f\uff0c\u4e26\u5373\u6642\u63a8\u9001\u7d66\u5176\u4ed6\u7528\u6236\u3002<\/p>\n<h3 id=\"3-%e6%8e%92%e8%a1%8c%e6%a6%9c%e5%92%8c%e8%a8%88%e6%95%b8%e5%99%a8-vLvcwNhDih\">3. \u6392\u884c\u699c\u548c\u8a08\u6578\u5668<\/h3>\n<p>Redis \u7684\u6709\u5e8f\u96c6\u5408\u7279\u6027\u4f7f\u5176\u975e\u5e38\u9069\u5408\u7528\u65bc\u6392\u884c\u699c\u548c\u8a08\u6578\u5668\u7684\u5be6\u73fe\u3002\u958b\u767c\u8005\u53ef\u4ee5\u8f15\u9b06\u5730\u5c0d\u7528\u6236\u7684\u5206\u6578\u9032\u884c\u6392\u5e8f\uff0c\u4e26\u5feb\u901f\u67e5\u8a62\u6392\u540d\u3002<\/p>\n<pre><code>redis.zadd(\"leaderboard\", score, userId);\nredis.zrevrange(\"leaderboard\", 0, 10); \/\/ \u7372\u53d6\u524d\u5341\u540d<\/code><\/pre>\n<h2 id=\"%e7%b5%90%e8%ab%96-vLvcwNhDih\">\u7d50\u8ad6<\/h2>\n<p>\u96d6\u7136 SQL \u6578\u64da\u5eab\u5728\u8a31\u591a\u60c5\u6cc1\u4e0b\u4ecd\u7136\u662f\u4e0d\u53ef\u6216\u7f3a\u7684\uff0c\u4f46 Redis \u63d0\u4f9b\u4e86\u4e00\u7a2e\u9ad8\u6548\u7684\u66ff\u4ee3\u65b9\u6848\uff0c\u7279\u5225\u662f\u5728\u9700\u8981\u5feb\u901f\u6578\u64da\u5b58\u53d6\u7684\u5834\u666f\u4e2d\u3002\u901a\u904e\u5229\u7528 Redis \u7684\u9ad8\u6027\u80fd\u548c\u9748\u6d3b\u6027\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u69cb\u5efa\u51fa\u66f4\u5feb\u901f\u3001\u66f4\u9ad8\u6548\u7684\u61c9\u7528\u3002<\/p>\n<p>\u5982\u679c\u60a8\u5c0d\u65bc\u5982\u4f55\u5728\u60a8\u7684\u9805\u76ee\u4e2d\u5be6\u73fe Redis \u6216\u8005\u9700\u8981\u66f4\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u611f\u8208\u8da3\uff0c\u8acb\u96a8\u6642\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u4fe1\u606f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Redis \u4ee3\u66ff SQL\uff0c\u5be6\u73fe\u66f4\u5feb\u901f\u7684\u6578\u64da\u5b58\u53d6\uff0c\u63d0\u5347\u61c9\u7528\u6027\u80fd\uff0c\u9069\u5408\u9ad8\u6548\u80fd\u9700\u6c42\u7684\u73fe\u4ee3\u6578\u64da\u8655\u7406\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-98482","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/98482","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=98482"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/98482\/revisions"}],"predecessor-version":[{"id":98483,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/98482\/revisions\/98483"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=98482"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=98482"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=98482"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}