{"id":10220,"date":"2022-06-07T07:46:05","date_gmt":"2022-06-07T07:46:05","guid":{"rendered":"https:\/\/www.taosdata.com\/?p=10220"},"modified":"2023-02-10T03:38:55","modified_gmt":"2023-02-10T03:38:55","slug":"%e5%86%99%e5%85%a5%e9%80%9f%e5%ba%a6%e6%8f%90%e5%8d%87%e6%95%b0%e5%8d%81%e5%80%8d%ef%bc%8ctdengine-%e5%9c%a8%e6%8b%93%e6%96%af%e8%be%be%e6%99%ba%e8%83%bd%e5%b7%a5%e5%8e%82%e8%a7%a3%e5%86%b3%e6%96%b9","status":"publish","type":"post","link":"https:\/\/www.taosdata.com\/tdengine-user-cases\/10220.html","title":{"rendered":"\u5199\u5165\u901f\u5ea6\u63d0\u5347\u6570\u5341\u500d\uff0cTDengine \u5728\u62d3\u65af\u8fbe\u667a\u80fd\u5de5\u5382\u89e3\u51b3\u65b9\u6848\u4e0a\u7684\u5e94\u7528"},"content":{"rendered":"\n<blockquote class=\"wp-block-quote\"><p><strong>\u5c0f T \u5bfc\u8bfb<\/strong>\uff1a\u5728\u62d3\u65af\u8fbe\u7684\u667a\u80fd\u5de5\u5382\u6574\u4f53\u89e3\u51b3\u65b9\u6848\u9879\u76ee\u4e2d\uff0c\u4f20\u7edf\u7684\u5173\u7cfb\u578b\u6570\u636e\u5e93\u5df2\u7ecf\u65e0\u6cd5\u9ad8\u6548\u5904\u7406<a href=\"https:\/\/www.taosdata.com\/\" data-internallinksmanager029f6b8e52c=\"5\" title=\"\u65f6\u5e8f\u6570\u636e\" target=\"_blank\" rel=\"noopener\">\u65f6\u5e8f\u6570\u636e<\/a>\uff0c\u5728\u52a0\u8f7d\u3001\u5b58\u50a8\u548c\u67e5\u8be2\u7b49\u591a\u4e2a\u65b9\u9762\u90fd\u9047\u5230\u4e86\u6311\u6218\uff0c\u6700\u7ec8\u4ed6\u4eec\u9009\u62e9\u4e86 <a href=\"https:\/\/www.taosdata.com\/\" data-internallinksmanager029f6b8e52c=\"1\" title=\"TDengine\" target=\"_blank\" rel=\"noopener\">TDengine<\/a> \u6765\u5339\u914d\u5de5\u4e1a\u4f20\u611f\u5668\u6570\u636e\u7684\u5e94\u7528\u5206\u6790\u573a\u666f\u3002\u672c\u6587\u5c06\u8bb2\u8ff0\u4ed6\u4eec\u5e94\u7528 TDengine \u7684\u5177\u4f53\u5b9e\u8df5\u3002 <\/p><\/blockquote>\n\n\n\n<h3><strong>\u4f01\u4e1a\u7b80\u4ecb<\/strong><\/h3>\n\n\n\n<p>\u5e7f\u4e1c\u62d3\u65af\u8fbe\u79d1\u6280\u80a1\u4efd\u6709\u9650\u516c\u53f8\uff08\u7b80\u79f0\uff1a\u62d3\u65af\u8fbe\uff0c\u80a1\u7968\u4ee3\u7801\uff1a300607\uff09\u662f\u5e7f\u4e1c\u7701\u9996\u5bb6\u767b\u9646\u521b\u4e1a\u677f\u7684\u673a\u5668\u4eba\u9aa8\u5e72\u4f01\u4e1a\u3002\u62d3\u65af\u8fbe\u575a\u6301\u201c\u8ba9\u5de5\u4e1a\u5236\u9020\u66f4\u7f8e\u597d\u201d\u7684\u4f01\u4e1a\u4f7f\u547d\uff0c\u901a\u8fc7\u4ee5\u5de5\u4e1a\u673a\u5668\u4eba\u3001\u6ce8\u5851\u673a\u3001CNC\u4e3a\u6838\u5fc3\u7684\u667a\u80fd\u88c5\u5907\uff0c\u4ee5\u53ca\u63a7\u5236\u3001\u4f3a\u670d\u3001\u89c6\u89c9\u4e09\u5927\u6838\u5fc3\u6280\u672f\uff0c\u6253\u9020\u4ee5\u6838\u5fc3\u6280\u672f\u9a71\u52a8\u7684\u667a\u80fd\u786c\u4ef6\u5e73\u53f0\uff0c\u4e3a\u5236\u9020\u4f01\u4e1a\u63d0\u4f9b\u667a\u80fd\u5de5\u5382\u6574\u4f53\u89e3\u51b3\u65b9\u6848\u3002 <\/p>\n\n\n\n<h3>\u9879\u76ee\u4ecb\u7ecd<\/h3>\n\n\n\n<p>\u5728\u5de5\u4e1a\u9886\u57df\uff0c \u751f\u4ea7\u3001\u6d4b\u8bd5\u3001\u8fd0\u884c\u9636\u6bb5\u90fd\u53ef\u80fd\u4f1a\u4ea7\u751f\u5927\u91cf\u5e26\u6709\u65f6\u95f4\u6233\u7684\u4f20\u611f\u5668\u6570\u636e\uff0c\u8fd9\u90fd\u5c5e\u4e8e\u5178\u578b\u7684\u65f6\u5e8f\u6570\u636e\u3002\u65f6\u5e8f\u6570\u636e\u4e3b\u8981\u7531\u5404\u7c7b\u578b\u5b9e\u65f6\u76d1\u6d4b\u3001\u68c0\u67e5\u4e0e\u5206\u6790\u8bbe\u5907\u6240\u91c7\u96c6\u6216\u4ea7\u751f\uff0c\u6d89\u53ca\u5236\u9020\u3001\u7535\u529b\u3001\u5316\u5de5\u3001\u5de5\u7a0b\u4f5c\u4e1a\u7b49\u591a\u4e2a\u884c\u4e1a\uff0c\u5177\u5907\u5199\u591a\u8bfb\u5c11\u3001\u91cf\u975e\u5e38\u5927\u7b49\u5178\u578b\u7279\u6027\u3002 <\/p>\n\n\n\n<p>\u5728\u6211\u4eec\u7684\u4e1a\u52a1\u4e2d\uff0c\u4f20\u7edf\u7684\u5173\u7cfb\u578b\u6570\u636e\u5e93\uff08Relational Database\uff09\u5df2\u7ecf\u65e0\u6cd5\u9ad8\u6548\u5904\u7406\u65f6\u5e8f\u6570\u636e\uff0c\u5728\u52a0\u8f7d\u3001\u5b58\u50a8\u548c\u67e5\u8be2\u7b49\u591a\u4e2a\u65b9\u9762\u90fd\u9047\u5230\u4e86\u6311\u6218\u3002\u4e3b\u8981\u95ee\u9898\u53ef\u4ee5\u6c47\u603b\u5982\u4e0b\uff1a<\/p>\n\n\n\n<ul><li class=\"\">\u5199\u5165\u541e\u5410\u4f4e\uff1a\u5355\u673a\u5199\u5165\u541e\u5410\u91cf\u4f4e\uff0c\u5f88\u96be\u6ee1\u8db3\u65f6\u5e8f\u6570\u636e\u5343\u4e07\u7ea7\u7684\u5199\u5165\u538b\u529b\uff1b<\/li><li class=\"\">\u5b58\u50a8\u6210\u672c\u5927\uff1a\u5728\u5bf9\u65f6\u5e8f\u6570\u636e\u8fdb\u884c\u538b\u7f29\u65f6\u6027\u80fd\u4e0d\u4f73\uff0c\u9700\u5360\u7528\u5927\u91cf\u673a\u5668\u8d44\u6e90\uff1b<\/li><li class=\"\">\u7ef4\u62a4\u6210\u672c\u9ad8\uff1a\u5355\u673a\u7cfb\u7edf\uff0c\u9700\u8981\u5728\u4e0a\u5c42\u4eba\u5de5\u8fdb\u884c\u5206\u5e93\u5206\u8868\uff0c\u7ef4\u62a4\u6210\u672c\u9ad8\uff1b<\/li><li class=\"\">\u67e5\u8be2\u6027\u80fd\u5dee\uff1a\u6d77\u91cf\u5b9e\u65f6\u6570\u636e\u7684\u805a\u5408\u5206\u6790\u6027\u80fd\u5dee\u3002<\/li><\/ul>\n\n\n\n<p>\u4e3a\u4e86\u66f4\u597d\u5730\u6ee1\u8db3\u65f6\u5e8f\u6570\u636e\u7684\u5904\u7406\u9700\u6c42\uff0c\u6211\u4eec\u51b3\u5b9a\u8fdb\u884c\u6570\u636e\u5e93\u9009\u578b\u8c03\u7814\uff0c\u6700\u7ec8\u9009\u62e9\u4e86<a href=\"https:\/\/www.taosdata.com\/\" data-internallinksmanager029f6b8e52c=\"2\" title=\"\u65f6\u5e8f\u6570\u636e\u5e93\" target=\"_blank\" rel=\"noopener\">\u65f6\u5e8f\u6570\u636e\u5e93<\/a>\uff08Time-Series Database\uff09TDengine\u3002 \u4e8b\u5b9e\u8bc1\u660e\uff0cTDengine \u9488\u5bf9\u65f6\u5e8f\u6570\u636e\u7684\u5199\u5165\u3001\u5b58\u50a8\u3001\u7d22\u5f15\u3001\u67e5\u8be2\u7b49\u65b9\u9762\u90fd\u8fdb\u884c\u4e86\u7279\u5b9a\u7684\u4f18\u5316\uff0c\u4ece\u800c\u5b9e\u73b0\u4e86\u66f4\u4f18\u7684\u6570\u636e\u52a0\u8f7d\u3001\u6570\u636e\u538b\u7f29\u3001\u67e5\u8be2\u5199\u5165\u6027\u80fd\uff0c\u975e\u5e38\u5339\u914d\u5de5\u4e1a\u4f20\u611f\u5668\u6570\u636e\u7684\u5e94\u7528\u5206\u6790\u573a\u666f\u3002<\/p>\n\n\n\n<h2>\u9009\u62e9 TDengine \u7684\u7406\u7531<\/h2>\n\n\n\n<p>\u4e0e\u901a\u7528\u6570\u636e\u5e93\u76f8\u6bd4\uff0cTDengine \u7684\u538b\u7f29\u7387\u8868\u73b0\u60ca\u4eba\uff0c\u6838\u5fc3\u539f\u56e0\u662f\u5176\u91c7\u7528\u5217\u5f0f\u5b58\u50a8\uff0c\u800c\u4e14\u91c7\u7528\u4e86\u4e8c\u9636\u6bb5\u538b\u7f29\u7b56\u7565\uff0c\u8fd8\u9488\u5bf9\u4e0d\u540c\u6570\u636e\u7c7b\u578b\u91c7\u53d6\u4e86\u4e0d\u540c\u7684\u538b\u7f29\u7b97\u6cd5\uff0c\u8fd9\u79cd\u538b\u7f29\u673a\u5236\u4f7f\u5176\u538b\u7f29\u7387\u8fdc\u8d85\u5176\u4ed6\u6570\u636e\u5e93\u3002 <\/p>\n\n\n\n<p><strong>\u6b64\u5916 TDengine \u8fd8\u62e5\u6709\u6781\u9ad8\u7684\u8bfb\u5199\u6027\u80fd\uff0c\u5e76\u4e14\u8bfb\u5199\u901f\u5ea6\u53d7\u6570\u636e\u5b58\u50a8\u89c4\u6a21\u7684\u5f71\u54cd\u5fae\u4e4e\u5176\u5fae\uff0c\u8981\u77e5\u9053\u901a\u7528\u6570\u636e\u5e93\u7684\u6570\u636e\u91cf\u4e00\u65e6\u8fc7\u767e\u4e07\u7ea7\uff0c\u8bfb\u5199\u901f\u5ea6\u5c31\u4f1a\u6709\u660e\u663e\u4e0b\u964d\uff0c\u4e4b\u524d\u6211\u4eec\u505a\u8fc7\u4e00\u6b21 MySQL \u6279\u91cf\u63d2\u5165\u6570\u636e\u7684\u6d4b\u8bd5\uff0c\u6027\u80fd\u5dee\u8ddd\u660e\u663e\uff0c\u8fd9\u4e5f\u662f\u5728\u5927\u91cf\u7ea7\u6570\u636e\u5b58\u50a8\u4e0b\u6211\u4eec\u4f1a\u9009\u62e9TDengine\u7684\u91cd\u8981\u539f\u56e0\u4e4b\u4e00\u3002<\/strong>\u5177\u4f53\u6765\u8bf4\uff0cTDengine \u4f18\u52bf\u5982\u4e0b\uff1a<\/p>\n\n\n\n<ul><li class=\"\">\u6570\u636e\u7684\u8bfb\u5199\u901f\u5ea6\u5feb\u4e14\u81ea\u5e26\u65f6\u95f4\u6233\uff0c\u4f7f\u7528 SQL \u8fdb\u884c\u6570\u636e\u5e93\u64cd\u4f5c\uff0c\u7b80\u5355\u6613\u5b66\uff0c\u652f\u6301\u590d\u6742\u67e5\u8be2<\/li><li class=\"\">\u6570\u636e\u538b\u7f29\u7387\u9ad8\uff0c\u5927\u91cf\u7ea7\u7684\u6570\u636e\u4e5f\u4e0d\u4f1a\u5360\u636e\u8fc7\u591a\u5b58\u50a8\u7a7a\u95f4\uff0c\u53ef\u5bfc\u51fa\u6570\u636e\u8fdb\u884c\u5907\u4efd<\/li><li class=\"\">\u62e5\u6709\u4ea4\u6d41\u793e\u533a\u548c\u4ea4\u6d41\u7fa4\uff0c\u9047\u89c1\u95ee\u9898\u53ef\u4ee5\u548c TDengine \u7684\u5176\u4ed6\u4f7f\u7528\u8005\u4e00\u8d77\u63a2\u8ba8\uff0c\u800c\u4e14\u5b98\u65b9\u7684\u540c\u5b66\u4e5f\u80fd\u63d0\u4f9b\u53ca\u65f6\u7684\u5e2e\u52a9<\/li><\/ul>\n\n\n\n<p>\u5f53\u7136\uff0c\u4e16\u4e0a\u6ca1\u6709\u5b8c\u7f8e\u7684\u6570\u636e\u5e93\uff0c\u6211\u4eec\u5728\u5e94\u7528\u4e4b\u540e\u603b\u7ed3\u51fa\u4e86\u4e24\u70b9\u5f85\u6539\u8fdb\u7684\u5730\u65b9\uff1a<\/p>\n\n\n\n<ul><li class=\"\">\u65e0\u6cd5\u4f7f\u7528\u53ef\u89c6\u5316\u8f6f\u4ef6\u5982 Navicat \u7b49\u8fdb\u884c\u6570\u636e\u5e93\u64cd\u4f5c\uff08TDengine GUI\uff09<\/li><li class=\"\">\u76ee\u524d\u8fd8\u6ca1\u6709 Windows \u7248\u7684\u670d\u52a1\u7aef\uff0c\u50cf\u6211\u4eec\u4e0a\u4e00\u4e2a\u5ba2\u6237\uff0c\u53ea\u5728\u672c\u5730 Windows \u4e0a\u4f7f\u7528\u7a0b\u5e8f\uff0c\u5728\u6ca1\u6709\u5b89\u88c5\u865a\u62df\u673a\u548c\u90e8\u7f72\u5230\u670d\u52a1\u5668\u7684\u60c5\u51b5\u4e0b\uff0c\u5c31\u65e0\u6cd5\u90e8\u7f72 TDengine<\/li><\/ul>\n\n\n\n<p>\u4f46\u6bcf\u4e00\u6b3e\u4ea7\u54c1\u90fd\u662f\u5728\u53d1\u73b0\u95ee\u9898\u548c\u6539\u8fdb\u95ee\u9898\u7684\u6b65\u4f10\u4e2d\u9010\u6e10\u8fdb\u6b65\u7684\uff0c\u800c\u4e14\u5bf9\u4e8e\u6211\u4eec\u7684\u4e1a\u52a1\u5b9e\u73b0\u6765\u8bf4\uff0cTDengine \u4e0d\u5b58\u5728\u660e\u663e\u7684\u77ed\u677f\u3002\u6ca1\u6709\u6700\u4f18\u7684\u6570\u636e\u5e93\uff0c\u5728\u573a\u666f\u5339\u914d\u7684\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u6700\u7ec8\u91c7\u7528\u4e86 TDengine\u3002<\/p>\n\n\n\n<h2>\u843d\u5730\u5b9e\u8df5<\/h2>\n\n\n\n<ul><li><strong>\u5e73\u53f0\u67b6\u6784<\/strong><\/li><\/ul>\n\n\n\n<p>\u6211\u4eec\u662f\u901a\u8fc7\u7f51\u5173\u91c7\u96c6\u8bbe\u5907\u6570\u636e\u63a8\u9001\u5230 MQTT\uff0cJava \u540e\u7aef\u76d1\u542c\u5230\u540e\u4f1a\u5199\u5165 TDengine\uff0c\u5728\u540e\u7aef\u6309\u9700\u6c42\u67e5\u8be2\u5904\u7406\u540e\u518d\u628a\u6570\u636e\u8fd4\u56de\u7ed9\u524d\u7aef\u3002 <\/p>\n\n\n\n<p>\u5177\u4f53\u6765\u8bf4\uff0c\u7f51\u5173\u4f1a\u5148\u8bfb\u53d6\u540e\u53f0\u53d1\u5e03\u7684\u4e0a\u884c\u89c4\u5219\uff0c\u5728\u91c7\u96c6\u5230\u8bbe\u5907\u6570\u636e\u540e\uff0c\u4f7f\u7528\u4e0a\u884c\u89c4\u5219\u5bf9\u6570\u636e\u8fdb\u884c\u5904\u7406\u8ba1\u7b97\u540e\u518d\u5c06\u7ed3\u679c\u8fd4\u56de\u7ed9\u4e0b\u884c\u89c4\u5219\u6a21\u5757\uff0c\u540e\u53f0\u76d1\u542c\u5230\u540e\uff0c\u4f1a\u8fde\u63a5 TDengine \u8fdb\u884c\u6570\u636e\u5e93\u8868\u7684\u521b\u5efa\u4fee\u6539\u548c\u6570\u636e\u5199\u5165\u3002\u4e4b\u524d\u5728\u4e91\u5e73\u53f0\u6211\u4eec\u4f7f\u7528\u8fc7 Kafka \u8fdb\u884c\u6570\u636e\u7684\u53d1\u5e03\u8ba2\u9605\uff0c\u73b0\u5728\u6240\u6709\u73af\u5883\u90fd\u6539\u4e3a MQTT \u4e86\u3002<\/p>\n\n\n\n<ul><li><strong>\u8d85\u7ea7\u8868\u53ca\u5efa\u6a21\u601d\u8def<\/strong><\/li><\/ul>\n\n\n\n<p>\u5728\u5e94\u7528 TDengine \u65f6\uff0c\u6211\u4eec\u5efa\u7acb\u4e86\u6d41\u6c34\u6570\u636e\u5e93 &#8220;iot_platform&#8221; \u7528\u6765\u5b58\u50a8\u7f51\u5173\u4f20\u6765\u7684\u6570\u636e\uff0c\u4fbf\u4e8e\u65e5\u540e\u67e5\u8be2\u4f7f\u7528\u3002\u6211\u4eec\u9075\u5faa\u201c\u4e00\u4e2a\u91c7\u96c6\u70b9\u4e00\u5f20\u8868\uff0c\u4e00\u7c7b\u6570\u636e\u4e00\u4e2a\u8d85\u7ea7\u8868\u201d\u7684\u601d\u8def\u6765\u5efa\u8868\uff0c\u5728\u5177\u4f53\u5b9e\u8df5\u4e0a\u8bbe\u8ba1\u4e86\u4e24\u5f20\u8d85\u7ea7\u8868\uff0c\u4e00\u5f20\u662f\u7528\u4e8e\u5b58\u50a8 log \u6307\u4ee4\u5185\u5bb9\u7684\u201clogs\u201d\u8868\uff0c\u53e6\u4e00\u5f20\u662f\u7528\u4e8e\u5b58\u50a8\u5176\u5b83\u6307\u4ee4\u5185\u5bb9\u7684\u201cdatas\u201d\u8868\uff0c\u6570\u636e\u7c7b\u578b\u57fa\u672c\u4e3a\u7535\u6d41\u7535\u538b\u3001\u8bbe\u5907\u72b6\u6001\u7b49\u3002\u5728\u8fdb\u884c\u6570\u636e\u5b58\u50a8\u65f6\u9996\u5148\u4f1a\u5bf9\u6570\u636e\u52a0\u4ee5\u5224\u65ad\uff0c\u518d\u51b3\u5b9a\u5c06\u6570\u636e\u5b58\u50a8\u5230\u54ea\u5f20\u8868\u91cc\u3002<\/p>\n\n\n\n<h2>\u843d\u5730\u6548\u679c<\/h2>\n\n\n\n<p>\u8fd0\u884c\u4e00\u6bb5\u65f6\u95f4\u540e\uff0cTDengine \u7684\u67e5\u8be2\u3001\u5199\u5165\u901f\u5ea6\u5b8c\u5168\u53ef\u4ee5\u6ee1\u8db3\u6211\u4eec\u76ee\u524d\u7684\u5ba2\u6237\u9700\u6c42\uff0c\u6700\u6162\u7684\u5206\u949f\u7ea7\uff0c\u6700\u5feb\u7684\u80fd\u8fbe\u5230 1 \u79d2\u4e00\u6761\uff1b<strong>\u4e00\u4e2a\u8bbe\u5907\u4e00\u5929\u6700\u591a<\/strong><strong>\u80fd<\/strong><strong>\u5199\u5165\u8fd1\u5341\u4e07\u6761\u6570\u636e\uff0c\u8fd1\u5343\u4e2a\u8bbe\u5907\u540c\u65f6\u5199\u5165<\/strong><strong>\u4e5f<\/strong><strong>\u5b8c\u5168\u6ca1\u6709\u95ee\u9898\uff0c\u76f8\u8f83\u4e8e\u4e4b\u524d\uff0c\u5199\u5165\u901f\u5ea6\u63d0\u5347\u4e86\u6570\u5341\u500d<\/strong>\u3002<strong>\u67e5\u8be2\u6570\u636e\u5728\u4ee5\u6708<\/strong><strong>\u4e3a<\/strong><strong>\u5355\u4f4d\u7684\u65f6\u95f4\u8303\u56f4\u5185\u6ca1\u6709\u8fc7\u4e8e\u660e\u663e<\/strong><strong>\u7684<\/strong><strong>\u5ef6\u8fdf<\/strong><strong>\uff0c<\/strong><strong>\u6574\u4f53\u7684\u6570\u636e\u538b\u7f29\u6bd4\u5927\u6982\u662f<\/strong><strong>1\/10\uff0c\u76ee\u524d\u6bcf\u5929\u4ea7\u751f\u7684\u6570\u636e\u91cf<\/strong><strong>\u5728<\/strong><strong>\u6570<\/strong><strong>G<\/strong><strong>\u5de6\u53f3<\/strong><strong>\u3002<\/strong><\/p>\n\n\n\n<ul><li><strong>\u6d41\u6c34\u6570\u636e\u67e5\u8be2<\/strong><\/li><\/ul>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img decoding=\"async\" loading=\"lazy\" width=\"1024\" height=\"436\" src=\"https:\/\/www.taosdata.com\/wp-content\/uploads\/2022\/06\/1-1024x436.png\" alt=\"- TDengine Database \u65f6\u5e8f\u6570\u636e\u5e93\" class=\"wp-image-10231\" srcset=\"https:\/\/www.taosdata.com\/wp-content\/uploads\/2022\/06\/1-1024x436.png 1024w, https:\/\/www.taosdata.com\/wp-content\/uploads\/2022\/06\/1-300x128.png 300w, https:\/\/www.taosdata.com\/wp-content\/uploads\/2022\/06\/1-768x327.png 768w, https:\/\/www.taosdata.com\/wp-content\/uploads\/2022\/06\/1-1536x654.png 1536w, https:\/\/www.taosdata.com\/wp-content\/uploads\/2022\/06\/1.png 1920w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" title=\"- TDengine Database \u65f6\u5e8f\u6570\u636e\u5e93\"><\/figure><\/div>\n\n\n\n<p>\u67e5\u8be2\u67d0\u4e00\u65f6\u95f4\u6bb5\u5185\u7684\u6d41\u6c34\u6570\u636e\uff0c\u4f7f\u7528\u67e5\u8be2\u8bed\u53e5\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>SELECT datagettime as ts , ${dataName} as data FROM ${tableName}\n <where>\n    uuid = ${uuid}\n    <if test=\"startTime != null \">\n        and datagettime > #{startTime}\n    <\/if>\n    <if test=\"endTime != null \">\n        and #{endTime} > datagettime\n    <\/if>\n    and ${dataName} is not null\n <\/where>\n limit 0, ${countLimit}<\/code><\/pre>\n\n\n\n<ul><li><strong>\u805a\u5408\u51fd\u6570\u8ba1\u7b97\u4e00\u5929\u7684\u6570\u636e<\/strong><\/li><\/ul>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img decoding=\"async\" loading=\"lazy\" width=\"1024\" height=\"423\" src=\"https:\/\/www.taosdata.com\/wp-content\/uploads\/2022\/06\/2-1024x423.png\" alt=\"- TDengine Database \u65f6\u5e8f\u6570\u636e\u5e93\" class=\"wp-image-10232\" srcset=\"https:\/\/www.taosdata.com\/wp-content\/uploads\/2022\/06\/2-1024x423.png 1024w, https:\/\/www.taosdata.com\/wp-content\/uploads\/2022\/06\/2-300x124.png 300w, https:\/\/www.taosdata.com\/wp-content\/uploads\/2022\/06\/2-768x317.png 768w, https:\/\/www.taosdata.com\/wp-content\/uploads\/2022\/06\/2-1536x634.png 1536w, https:\/\/www.taosdata.com\/wp-content\/uploads\/2022\/06\/2.png 1920w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" title=\"- TDengine Database \u65f6\u5e8f\u6570\u636e\u5e93\"><\/figure><\/div>\n\n\n\n<p>\u4f7f\u7528 TDengine \u7684\u51fd\u6570\u8ba1\u7b97\u6bcf\u5929\u7684\u7528\u7535\u91cf\uff0c\u518d\u901a\u8fc7\u6bcf\u5929\u7684\u53bb\u8ba1\u7b97\u6708\u548c\u5e74\u6570\u636e\uff0c\u67e5\u8be2\u8bed\u53e5\u4e3a\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>select diff(${dataName}) as data\n from ${tableName}\n where ${dataName} > 0\n  and datagettime > #{startTime}\n   and #{endTime} >= datagettime<\/code><\/pre>\n\n\n\n<ul><li><strong>\u8ba1\u7b97\u67d0\u4e00\u65f6\u95f4\u6bb5\u5185\u7684\u6570\u636e<\/strong><\/li><\/ul>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img decoding=\"async\" loading=\"lazy\" width=\"1024\" height=\"477\" src=\"https:\/\/www.taosdata.com\/wp-content\/uploads\/2022\/06\/3-1024x477.jpg\" alt=\"- TDengine Database \u65f6\u5e8f\u6570\u636e\u5e93\" class=\"wp-image-10233\" srcset=\"https:\/\/www.taosdata.com\/wp-content\/uploads\/2022\/06\/3-1024x477.jpg 1024w, https:\/\/www.taosdata.com\/wp-content\/uploads\/2022\/06\/3-300x140.jpg 300w, https:\/\/www.taosdata.com\/wp-content\/uploads\/2022\/06\/3-768x358.jpg 768w, https:\/\/www.taosdata.com\/wp-content\/uploads\/2022\/06\/3-1536x716.jpg 1536w, https:\/\/www.taosdata.com\/wp-content\/uploads\/2022\/06\/3.jpg 1920w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" title=\"- TDengine Database \u65f6\u5e8f\u6570\u636e\u5e93\"><\/figure><\/div>\n\n\n\n<pre class=\"wp-block-code\"><code>select ${method}(${dataName}) as data\n from ${tableName}\n where uuid = ${uuid}\n  and datagettime > #{startTime}\n  and #{endTime} > datagettime;<\/code><\/pre>\n\n\n\n<h2>\u5199\u5728\u6700\u540e<\/h2>\n\n\n\n<p>\u5728\u5de5\u4e1a\u4e92\u8054\u7f51\u5feb\u901f\u53d1\u5c55\u7684\u5927\u80cc\u666f\u4e0b\uff0c\u5de5\u4e1a\u751f\u4ea7\u73b0\u573a\u6295\u653e\u4e86\u5927\u91cf\u7684\u8bbe\u5907\u4f20\u611f\u5668\u548c\u76d1\u63a7\u7cfb\u7edf\uff0c\u4e8c\u8005\u63d0\u4f9b\u7684\u5b9e\u65f6\u6570\u636e\u80fd\u591f\u53cd\u6620\u8bbe\u5907\u7684\u72b6\u6001\u548c\u751f\u4ea7\u7684\u8fdb\u5ea6\uff0c\u5176\u4e2d\u7684\u5927\u591a\u6570\u636e\u90fd\u662f\u6309\u7167\u65f6\u95f4\u987a\u5e8f\u5f62\u6210\u7684\u5b9e\u65f6\u6570\u636e\uff0c\u8fd9\u4e9b\u6d77\u91cf\u5b9e\u65f6\u6570\u636e\u6709\u7740\u591a\u6837\u5316\u7684\u5206\u6790\u9700\u6c42\u548c\u91cd\u8981\u7684\u53c2\u8003\u4ef7\u503c\u3002 <\/p>\n\n\n\n<p>\u672a\u6765\u5e0c\u671b TDengine \u53ef\u4ee5\u63d0\u4f9b\u66f4\u590d\u6742\u7684\u6d41\u5f0f\u8ba1\u7b97\u3001\u67e5\u8be2\u5206\u6790\u4ee5\u53ca\u76d1\u6d4b\u9884\u8b66\u7b49\u80fd\u529b\uff0c\u53ef\u4ee5\u4e3a\u4ea7\u54c1\u7684\u53ef\u89c6\u5316\u8fd0\u7ef4\u3001\u9884\u6d4b\u6027\u7ef4\u62a4\u3001\u8fdc\u7a0b\u667a\u80fd\u7ba1\u7406\u7b49\u65b9\u9762\u63d0\u4f9b\u6570\u636e\u4f9d\u636e\uff0c\u4ece\u800c\u964d\u4f4e\u4eba\u5458\u3001\u65f6\u95f4\u7b49\u6210\u672c\uff0c\u52a0\u901f\u5de5\u4e1a\u5316\u4e0e\u4fe1\u606f\u5316\u7684\u6df1\u5ea6\u878d\u5408\uff0c\u4fc3\u8fdb\u590d\u6742\u91cd\u578b\u88c5\u5907\u5236\u9020\u4e1a\u7684\u8f6c\u578b\u5347\u7ea7\uff0c\u4ea7\u751f\u793e\u4f1a\u7ecf\u6d4e\u6548\u76ca\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728\u62d3\u65af\u8fbe\u7684\u667a\u80fd\u5de5\u5382\u6574\u4f53\u89e3\u51b3\u65b9\u6848\u9879\u76ee\u4e2d\uff0c\u4f20\u7edf\u7684\u5173\u7cfb\u578b\u6570\u636e\u5e93\u5df2\u7ecf\u65e0\u6cd5\u9ad8\u6548\u5904\u7406\u65f6\u5e8f\u6570\u636e\uff0c\u5728\u52a0\u8f7d\u3001\u5b58\u50a8\u548c\u67e5\u8be2\u7b49\u591a\u4e2a\u65b9\u9762\u90fd\u9047\u5230\u4e86\u6311\u6218\uff0c\u6700\u7ec8\u4ed6\u4eec\u9009\u62e9\u4e86 TDengine \u6765\u5339\u914d\u5de5\u4e1a\u4f20\u611f\u5668\u6570\u636e\u7684\u5e94\u7528\u5206\u6790\u573a\u666f\u3002\u672c\u6587\u5c06\u8bb2\u8ff0\u4ed6\u4eec\u5e94\u7528 TDengine \u7684\u5177\u4f53\u5b9e\u8df5\u3002 <\/p>\n","protected":false},"author":147,"featured_media":10236,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[4],"tags":[44,39,55],"_links":{"self":[{"href":"https:\/\/www.taosdata.com\/wp-json\/wp\/v2\/posts\/10220"}],"collection":[{"href":"https:\/\/www.taosdata.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.taosdata.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.taosdata.com\/wp-json\/wp\/v2\/users\/147"}],"replies":[{"embeddable":true,"href":"https:\/\/www.taosdata.com\/wp-json\/wp\/v2\/comments?post=10220"}],"version-history":[{"count":0,"href":"https:\/\/www.taosdata.com\/wp-json\/wp\/v2\/posts\/10220\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.taosdata.com\/wp-json\/wp\/v2\/media\/10236"}],"wp:attachment":[{"href":"https:\/\/www.taosdata.com\/wp-json\/wp\/v2\/media?parent=10220"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.taosdata.com\/wp-json\/wp\/v2\/categories?post=10220"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.taosdata.com\/wp-json\/wp\/v2\/tags?post=10220"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}