{"id":14207,"date":"2022-09-15T08:00:28","date_gmt":"2022-09-15T08:00:28","guid":{"rendered":"https:\/\/www.taosdata.com\/?p=14207"},"modified":"2022-09-23T08:21:41","modified_gmt":"2022-09-23T08:21:41","slug":"%e4%b8%ad%e9%80%9a%e7%a7%91%e6%8a%80%e6%98%af%e5%a6%82%e4%bd%95%e5%bb%ba%e6%a8%a1%e5%b9%b6%e9%ab%98%e6%95%88%e5%a4%84%e7%90%86%e8%bd%a6%e8%be%86%e4%b8%8a%e7%9a%84%e6%97%b6%e5%ba%8f%e6%95%b0%e6%8d%ae","status":"publish","type":"post","link":"https:\/\/www.taosdata.com\/tdengine-user-cases\/14207.html","title":{"rendered":"\u4e2d\u901a\u79d1\u6280\u662f\u5982\u4f55\u5efa\u6a21\u5e76\u9ad8\u6548\u5904\u7406\u8f66\u8f86\u4e0a\u7684\u65f6\u5e8f\u6570\u636e\u7684"},"content":{"rendered":"\n

\u5c0f T \u5bfc\u8bfb\uff1a<\/strong>\u8f66\u8054\u7f51\u4e1a\u52a1\u662f\u4e2d\u901a\u79d1\u6280\u914d\u9001\u5168\u94fe\u8def\u4e1a\u52a1\u4e2d\u975e\u5e38\u91cd\u8981\u7684\u4e00\u73af\uff0c\u5728\u5b9e\u9645\u7684\u9879\u76ee\u9700\u6c42\u4e2d\uff0c\u9700\u8981\u5b9e\u65f6\u67e5\u8be2\u8f66\u8f86\u6700\u65b0\u4f4d\u7f6e\u72b6\u6001\uff0c\u8fbe\u5230\u8f66\u8f86\u8fd0\u8425\u53ef\u89c6\u5316\u7ba1\u7406\u3002\u4e2d\u667a\u8f66\u8054\u670d\u52a1\u5e73\u53f0\u9009\u62e9\u4e86\u7528 TDengine<\/a> \u6765\u9ad8\u6548\u5904\u7406\u4ece\u8f66\u8f86\u4e0a\u5b9e\u65f6\u91c7\u96c6\u7684\u65f6\u5e8f\u6570\u636e<\/a>\u3002<\/p><\/blockquote>\n\n\n\n

\u4e1a\u52a1\u80cc\u666f<\/strong><\/h2>\n\n\n\n

\u76ee\u524d\uff0c\u4e2d\u901a\u79d1\u6280\u62e5\u6709\u4e00\u652f\u5343\u4eba\u89c4\u6a21\u7684\u7814\u53d1\u56e2\u961f\uff0c\u5728\u6570\u5b57\u4fe1\u606f\u79d1\u6280\u7814\u53d1\u65b9\u9762\u4ee5\u201c\u4e92\u8054\u7f51+\u7269\u6d41\u201d\u7684\u7406\u5ff5\uff0c\u81ea\u7814\u7684\u8f6f\u4ef6\u7cfb\u7edf\u548c\u6570\u5b57\u5316\u5de5\u5177\u5df2\u8fbe\u767e\u4f59\u4e2a\uff0c\u8d4b\u80fd\u8986\u76d6\u5feb\u9012\u4e1a\u52a1\u5168\u573a\u666f\uff0c\u540c\u65f6\u4e3a\u5feb\u8fd0\u3001\u56fd\u9645\u3001\u4e91\u4ed3\u3001\u4f18\u9009\u3001\u91d1\u878d\u3001\u5546\u4e1a\u7b49\u751f\u6001\u5708\u4e1a\u52a1\u63d0\u4f9b\u5168\u65b9\u4f4d\u7684\u7814\u53d1\u652f\u6301\uff0c\u5efa\u7acb\u8d77\u5b8c\u5584\u7684\u4e92\u8054\u7f51\u4ea7\u54c1\u7814\u53d1\u4f53\u7cfb\uff0c\u5168\u573a\u666f\u3001\u5168\u94fe\u8def\u7684\u6570\u5b57\u5316\u3001\u4e92\u8054\u5316\u548c\u667a\u80fd\u5316\u7684\u4e1a\u52a1\u5730\u56fe\u6108\u53d1\u6210\u719f\u3002<\/p>\n\n\n\n

2021 \u5e74\u5e74\u5e95\uff0c\u4e2d\u901a\u5feb\u9012\u5df2\u5b8c\u6210\u4e86\u603b\u90e8\u56ed\u533a\u7684\u5b9e\u666f\u4e09\u7ef4\u6a21\u578b\uff0c\u901a\u8fc7\u63a5\u5165\u56ed\u533a\u5185\u7684\u5728\u7ebf\u4f20\u611f\u5668\uff0c\u6839\u636e\u73b0\u6709\u56ed\u533a\u5404\u529f\u80fd\u533a\u7684\u533a\u4f4d\u5e03\u5c40\uff0c\u57fa\u4e8e\u6b64\u4e09\u7ef4\u6a21\u578b\u5f00\u5c55\u56ed\u533a\u5185\u751f\u4ea7\u89c4\u5212\u3001\u8c03\u5ea6\u8fd0\u884c\u548c\u7ef4\u62a4\u7ba1\u7406\u7684\u5168\u8fc7\u7a0b\u5e94\u7528\uff0c\u4ece\u800c\u5b9e\u73b0\u56ed\u533a\u5185\u4eba\u3001\u8f66\u3001\u7269\u5728\u7cbe\u51c6\u8fd0\u884c\u3001\u8d44\u6e90\u4f18\u5316\u548c\u914d\u7f6e\u670d\u52a1\u4e2d\u7684\u5168\u8fc7\u7a0b\u7cbe\u76ca\u5316\u7ba1\u7406\u3002<\/p>\n\n\n\n

\u968f\u7740\u751f\u4ea7\u8bbe\u5907\u7684\u5c0f\u578b\u5316\u548c\u667a\u80fd\u5316\uff0c\u5feb\u9012\u4f01\u4e1a\u4e5f\u5c06\u66f4\u5feb\u5730\u8fdb\u5165\u7a7a\u95f4\u5730\u7406\u4fe1\u606f\u6570\u636e\u751f\u4ea7\u9886\u57df\uff0c\u6709\u5305\u88f9\u6d41\u52a8\u7684\u5730\u65b9\uff0c\u5c31\u4f1a\u6709\u65f6\u7a7a\u6570\u636e\u670d\u52a1\u7684\u9700\u6c42\u3002<\/p>\n\n\n\n

\u8fd9\u91cc\u5148\u7ed9\u5927\u5bb6\u4ecb\u7ecd\u4e00\u4e0b\u914d\u9001\u5168\u94fe\u8def\u4e1a\u52a1\uff0c\u8fd9\u662f\u6307\u5305\u88f9\u4ece\u5546\u5bb6\u4ed3\u51fa\u6765\u4e00\u76f4\u5230\u7528\u6237\u624b\u4e0a\u7684\u8fd9\u6bb5\u6d3e\u9001\u5c65\u7ea6\u94fe\u8def\uff0c\u5b83\u5305\u542b 4 \u4e2a\u4e3b\u8981\u7684\u5b9e\u64cd\u6d41\u7a0b\uff0c\u5206\u522b\u662f\u5206\u62e8\u5b9e\u64cd\u3001\u8fd0\u8f93\u5b9e\u64cd\u3001\u7ad9\u70b9\u5b9e\u64cd\u548c\u5feb\u9012\u5458\u5b9e\u64cd\u3002\u628a 4 \u79cd\u5b9e\u64cd\u7ba1\u7406\u653e\u5230\u4e09\u4e2a\u7cfb\u7edf\u91cc\u9762\uff0c\u8fd9\u4e09\u4e2a\u7cfb\u7edf\u5206\u522b\u662f\u5206\u62e8\u7ba1\u7406\u3001\u8fd0\u8f93\u7ba1\u7406\u3001\u672b\u7aef\u7ad9\u70b9\u5b9e\u64cd\u7ba1\u7406\u3002\u5177\u4f53\u5982\u4e0b\u56fe\u6240\u793a\u3002<\/p>\n\n\n\n

\"TDengine<\/figure><\/div>\n\n\n\n

\u5176\u4e2d\u8f66\u8054\u7f51\u4e1a\u52a1\u4e5f\u662f\u975e\u5e38\u91cd\u8981\u7684\u4e00\u73af\uff0c\u901a\u8fc7\u4eba\u3001\u8f66\u3001\u8d27\u3001\u573a\u5168\u94fe\u6761\u8986\u76d6\u7684\u8f66\u8054\u7f51\u8bbe\u5907\u5e94\u7528\uff0c\u5b9e\u73b0\u7269\u6d41\u8fd0\u8f93\u5168\u94fe\u8def\u611f\u77e5\u3002\u5728\u5b9e\u9645\u7684\u9879\u76ee\u9700\u6c42\u4e2d\uff0c\u6211\u4eec\u9700\u8981\u5b9e\u65f6\u67e5\u8be2\u8f66\u8f86\u6700\u65b0\u4f4d\u7f6e\u72b6\u6001\uff0c\u8fbe\u5230\u8f66\u8f86\u8fd0\u8425\u53ef\u89c6\u5316\u7ba1\u7406\uff0c\u4e5f\u5c31\u662f\u6211\u4eec\u7684\u4e2d\u667a\u8f66\u8054\u670d\u52a1\u5e73\u53f0<\/strong>\u3002<\/p>\n\n\n\n

\u6280\u672f\u9009\u578b<\/strong><\/h2>\n\n\n\n

\u5728\u4e0a\u8ff0\u4e1a\u52a1\u8fc7\u7a0b\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u4e86 TDengine \u6765\u5b8c\u6210\u8fd9\u4e2a\u76ee\u6807\u3002<\/p>\n\n\n\n

\u5728\u9009\u578b\u65f6\uff0c\u6211\u4eec\u5bf9\u6bd4\u4e86 Prometheus \u548c TDengine \u8fd9\u4e24\u6b3e\u5f88\u6709\u4ee3\u8868\u6027\u7684\u65f6\u5e8f\u6570\u636e\u5e93<\/a>\uff08Time Series Database<\/a>\uff09\u3002 \u76f8\u5bf9\u800c\u8a00\uff0cTDengine \u7684\u201c\u4e00\u4e2a\u8bbe\u5907\u91c7\u96c6\u70b9\u4e00\u5f20\u8868\u201d\u7684\u5e95\u5c42\u8bbe\u8ba1\uff0c\u81ea\u5e26\u7684\u964d\u91c7\u6837\u548c\u7a97\u53e3\u51fd\u6570\u7684\u4f18\u79c0\u6027\u80fd\uff0c\u90fd\u5341\u5206\u5951\u5408\u8f66\u8f86\u7f51\u573a\u666f\u3002\u5176\u5217\u5f0f\u5b58\u50a8\u5e26\u6765\u7684\u538b\u7f29\u6bd4\u4e5f\u66f4\u597d\u3002\u6240\u4ee5\u6211\u4eec\u9009\u62e9\u4e86 TDengine\u3002<\/p>\n\n\n\n

\u6280\u672f\u67b6\u6784<\/strong><\/h2>\n\n\n\n

\u6211\u4eec\u5728\u6bcf\u8f86\u8f66\u4e0a\u90fd\u5b89\u88c5\u4e86\u90e8\u6807\u673a<\/strong>\uff08\u5373\u536b\u661f\u5b9a\u4f4d\u6c7d\u8f66\u884c\u9a76\u8bb0\u5f55\u4eea\uff09\uff0c\u6765\u5b9e\u65f6\u91c7\u96c6\u8f66\u8f86\u7684\u884c\u9a76\u901f\u5ea6\u3001\u65f6\u95f4\u3001\u91cc\u7a0b\u4ee5\u53ca\u4e0e\u8f66\u8f86\u884c\u9a76\u76f8\u5173\u7684\u5176\u4ed6\u72b6\u6001\u4fe1\u606f\u3002\u91c7\u96c6\u5230\u7684\u6570\u636e\uff0c\u901a\u8fc7\u6211\u4eec\u7684 IoT service \u8fd9\u5c42\u5e94\u7528\u6765\u5904\u7406\u3002\u7136\u540e\u6570\u636e\u7ecf\u7531 MQ \uff08\u6d88\u606f\u961f\u5217\uff09\u5c42\u7531 JDBC-RESTful \u7684\u65b9\u5f0f\u5199\u5165 TDengine \u96c6\u7fa4\uff0c\u4ee5\u4f9b\u4e0a\u6e38\u5e73\u53f0\u4f7f\u7528\uff0c\u800c\u90e8\u6807\u673a\u4ea7\u751f\u7684\u5176\u4ed6\u7c7b\u6570\u636e\u5219\u901a\u8fc7\u522b\u7684\u9014\u5f84\u4f9b\u4e0a\u6e38\u5e73\u53f0\u4f7f\u7528\u3002<\/p>\n\n\n\n

\"TDengine<\/figure><\/div>\n\n\n\n

\u6211\u4eec\u4f7f\u7528\u4e86\u4e09\u8282\u70b9\u4e09\u526f\u672c\u7684\u6a21\u5f0f\u843d\u5730\u4e86 TDengine \u96c6\u7fa4\u3002 <\/p>\n\n\n\n

\"TDengine<\/figure><\/div>\n\n\n\n

\u5efa\u8868\u5f88\u7b80\u5355\uff0c\u6211\u4eec\u9009\u62e9\u4e86\u4e00\u7c7b\u6570\u636e\u5bf9\u5e94\u4e00\u5f20\u8d85\u7ea7\u8868\uff0c\u8d85\u7ea7\u8868\u4e0b\u6839\u636e\u8f66\u724c\u53f7\u5212\u5206\u5b50\u8868\uff0c\u8868\u7ed3\u6784\u5982\u4e0b\u56fe\u6240\u793a\u3002\u76ee\u524d\u8fd8\u662f\u9879\u76ee\u521d\u671f\uff0c\u6240\u4ee5\u53ea\u63a5\u5165\u4e86 700 \u4f59\u8f86\u8f66\uff0c\u540e\u7eed\u4f1a\u9010\u6b65\u589e\u52a0\u63a5\u5165\u8f66\u8f86\u3002\u4e5f\u6b63\u56e0\u4e3a\u8fd9\u5957\u73af\u5883\u63a5\u5165\u8bbe\u5907\u4e0d\u591a\uff0c\u5199\u5165\u65b9\u9762\u5e76\u65e0\u538b\u529b\uff0c\u8fdc\u8fdc\u8fbe\u4e0d\u5230 TDengine \u7684\u5199\u5165\u6781\u9650\u3002<\/p>\n\n\n\n

\"TDengine<\/figure><\/div>\n\n\n\n

\u5177\u4f53\u5e94\u7528<\/strong><\/h2>\n\n\n\n

\u6211\u4eec\u8981\u901a\u8fc7\u6570\u636e\u7684\u53d8\u5316\u6765\u5b9e\u65f6\u5f97\u5230\u8f66\u8f86\u7684\u5f88\u591a\u4fe1\u606f\uff0c\u6bd4\u5982\u662f\u5426\u6709\u505c\u7559\u3001\u8d85\u901f\u3001\u7f13\u884c\u3001\u79bb\u7ebf\u7b49\u4e8b\u4ef6\u53d1\u751f\u3002\u6709\u4e9b\u529f\u80fd\u53ef\u4ee5\u901a\u8fc7 TDengine \u7684\u67e5\u8be2\u529f\u80fd\u5b9e\u73b0\uff0c\u6709\u4e9b\u4e0d\u65b9\u4fbf\u5b9e\u73b0\u7684\u6682\u65f6\u901a\u8fc7\u5e94\u7528\u6765\u5b8c\u6210\u3002<\/p>\n\n\n\n

\u4e0b\u9762\u6211\u4eec\u901a\u8fc7\u51e0\u4e2a\u4f8b\u5b50\u6765\u770b\u770b\u76ee\u524d\u4e1a\u52a1\u4e2d\u4f7f\u7528\u6bd4\u8f83\u9891\u7e41\u7684\u67e5\u8be2\uff1a<\/p>\n\n\n\n

1.\u83b7\u53d6\u8f66\u8f86\u7684\u6700\u65b0\u4f4d\u7f6e<\/strong><\/p>\n\n\n\n

SQL \u8bed\u53e5\u5982\u4e0b\u3002<\/p>\n\n\n\n

select  last_row(longitude,latitude),deviceId   from ioc_gps.vehicle_location groupby deviceId  where device_id = #{deviceId}  and ts >= #{startTime} and ts <= #{endTime}<\/code><\/pre>\n\n\n\n
\u4e1a\u52a1\u9700\u8981\u5feb\u901f\u67e5\u8be2\u6bcf\u8f86\u8f66\u7684\u6700\u65b0\u5750\u6807\uff0c\u8fd9\u91cc\u7528\u5230\u4e86 TDengine \u63d0\u4f9b\u7684 last_row \u51fd\u6570\u3002\u9664\u4e86\u67e5\u8be2\u5355\u72ec\u67d0\u8f86\u8f66\uff0c\u7ecf\u5e38\u8fd8\u4f1a\u6839\u636e groupId \u6216\u8005\u4e00\u6279 deviceId \u53bb\u67e5\u8be2\u4e00\u6279\u8f66\u8f86\u7684\u6700\u65b0\u5750\u6807\u3002<\/p>\n\n\n\n
\u7cfb\u7edf\u754c\u9762\u5982\u4e0b\u56fe\u6240\u793a\u3002<\/p>\n\n\n\n
\"TDengine<\/figure><\/div>\n\n\n\n
2. \u8f66\u67e5\u8f68\u8ff9\u4fe1\u606f\u67e5\u8be2\uff1a<\/strong><\/p>\n\n\n\n
select ts,device_id as deviceId,longitude,latitude,altitude,speed as speed,direction,alarm as warnBit,status as statusBit,mobile,mileage,speed2,rssi,satellites,signal_status as signalStatus,gmt_create as gmtCreate,create_ip as createIp,kind,oil,message_id as messageId,device_name as deviceName,plate,device_group_id as deviceGroupId,device_group_name as deviceGroupName,acc, device_code as deviceCode\n        from ioc_gps.vehicle_location\n        where device_id = #{deviceId}\n          and ts >= #{startTime}\n          and ts <= #{endTime}<\/code><\/pre>\n\n\n\n
\u901a\u8fc7\u6307\u5b9a\u65f6\u95f4\u8303\u56f4\u548c\u5177\u4f53\u7684\u8f66\u724c\u53f7\uff0c\u5c31\u53ef\u4ee5\u7acb\u523b\u83b7\u5f97\u8be5\u8f66\u8f86\u7684\u8f68\u8ff9\u6570\u636e\u5e76\u6e32\u67d3\u51fa\u8f68\u8ff9\u56fe\u50cf\u3002\u5982\u679c\u77e5\u9053\u5b50\u8868\u540d\u7684\u8bdd\uff0c\u8fd8\u53ef\u4ee5\u76f4\u63a5\u67e5\u8be2\u5b50\u8868\uff0c\u8fd9\u6837\u4f1a\u51cf\u5c11\u8d85\u7ea7\u8868\u4e2d\u5bf9\u4e8e\u6807\u7b7e\u7684\u68c0\u7d22\u3002<\/p>\n\n\n\n
\u7cfb\u7edf\u754c\u9762\u5982\u4e0b\u56fe\u6240\u793a\u3002<\/p>\n\n\n\n
\"TDengine<\/figure><\/div>\n\n\n\n
\u672a\u6765\u89c4\u5212<\/strong><\/h2>\n\n\n\n
\u901a\u8fc7\u9879\u76ee\u521d\u671f\u7684\u8868\u73b0\uff0c\u53ef\u4ee5\u77e5\u9053 TDengine \u80fd\u591f\u8f7b\u677e\u6ee1\u8db3\u6211\u4eec\u7684\u4e1a\u52a1\u9700\u6c42\u3002\u672a\u6765\u6211\u4eec\u8fd8\u6709\u5176\u4ed6\u7684\u4f7f\u7528\u89c4\u5212\uff0c\u6bd4\u5982\u5728\u6211\u4eec\u7684\u8868\u5b57\u6bb5\u4e2d\uff0c\u6709\u4e2a ACC \u5b57\u6bb5\uff0c1 \u8868\u793a\u70b9\u706b\uff0c0 \u8868\u793a\u7184\u706b\uff0c\u8981\u6c42\u80fd\u591f\u8ba1\u7b97\u70b9\u706b\u9a7e\u9a76\u884c\u7a0b\uff0c\u7531\u4e8e TDengine \u5f53\u524d\u8fd8\u6ca1\u6709\u76f4\u63a5\u652f\u6301 GIS \u8ba1\u7b97\uff0c\u6682\u65f6\u4e0d\u80fd\u901a\u8fc7\u5750\u6807\u7b97\u51fa\u76f4\u7ebf\u8ddd\u79bb\uff08\u5f53\u524d\u6240\u7528\u7684 TDengine 2.0 \u7248\u672c\u53ef\u80fd\u9700\u8981\u4f7f\u7528\u81ea\u5b9a\u4e49\u7684 UDF \u5b9e\u73b0\uff09\uff0c\u4f46\u662f\u5e94\u8be5\u53ef\u4ee5\u901a\u8fc7\u72b6\u6001\u7a97\u53e3+\u52a0\u6743\u5e73\u5747\u901f\u5ea6+\u5f00\u706b\u65f6\u95f4\u7b97\u51fa\u8f66\u8f86\u6bcf\u6b21\u70b9\u706b\u7684\u9a7e\u9a76\u8def\u7a0b\uff0c\u5c31\u60f3\u8fd9\u6837\uff1a<\/p>\n\n\n\n
select time*speed from (select elapsed(ts,1s)as time,twa(speed) as speed,acc from t1 state_window(acc)) where acc =1  ;<\/code><\/pre>\n\n\n\n
\u800c\u6bcf\u6b21 ACC \u5f00\u706b\u7184\u706b\u7684\u8d77\u59cb\u70b9\u548c\u7ed3\u675f\u70b9\u4fe1\u606f\uff0c\u53ef\u4ee5\u901a\u8fc7 state_window \u914d\u5408 first\/last \u51fd\u6570\u6765\u5b9e\u73b0\uff0c\u6bd4\u5982\uff1a<\/p>\n\n\n\n
select last(*),first(*) from t2 state_window(charge);<\/code><\/pre>\n\n\n\n
\u9664\u6b64\u4e4b\u5916\uff0c\u6211\u4eec\u4e5f\u9700\u8981\u7535\u5b50\u56f4\u680f\u8ba1\u7b97\uff0c\u9700\u8981\u5feb\u901f\u8ba1\u7b97\u65b0\u8f68\u8ff9\u70b9\u662f\u5426\u8fdb\u5165\u67d0\u7535\u5b50\u56f4\u680f\u4e4b\u4e2d\uff0c\u6216\u8005\u9700\u8981\u5feb\u901f\u8ba1\u7b97\uff081s \u5185\uff09\u4f4d\u4e8e\u67d0\u884c\u653f\u533a\u5212\uff08\u7701\u4efd\/\u57ce\u5e02\uff09\u8fb9\u754c\u5185\u7684\u6240\u6709\u8f66\u8f86\u7684\u6570\u91cf\u3002\u8fd9\u7c7b\u67e5\u8be2\u90fd\u9700\u8981\u7b49 TDengine \u7ee7\u7eed\u5b8c\u5584\u624d\u80fd\u5b9e\u73b0\u3002<\/p>\n\n\n\n
\u540e\u7eed\u6211\u4eec\u63a5\u5165\u7684\u8f66\u8f86\u4f1a\u8fbe\u5230\u51e0\u4e07\u8f86\uff0c\u5bf9\u4e8e\u90e8\u6807\u673a\u4ea7\u751f\u7684\u76f8\u5173\u65f6\u5e8f\u6570\u636e\u7684\u4f7f\u7528\u4e5f\u4f1a\u8d8a\u6765\u8d8a\u591a\u3002\u671f\u5f85 TDengine \u53ef\u4ee5\u7ee7\u7eed\u4e3a\u8f66\u8054\u7f51\u573a\u666f\u4e0b\u7684\u67e5\u8be2\u63d0\u4f9b\u66f4\u4e3a\u591a\u6837\u6027\u7684\u652f\u6301\uff0c\u4ea7\u54c1\u8d8a\u6765\u8d8a\u597d\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u8f66\u8054\u7f51\u4e1a\u52a1\u662f\u4e2d\u901a\u79d1\u6280\u914d\u9001\u5168\u94fe\u8def\u4e1a\u52a1\u4e2d\u975e\u5e38\u91cd\u8981\u7684\u4e00\u73af\uff0c\u5728\u5b9e\u9645\u7684\u9879\u76ee\u9700\u6c42\u4e2d\uff0c\u9700\u8981\u5b9e\u65f6\u67e5\u8be2\u8f66\u8f86\u6700\u65b0\u4f4d\u7f6e\u72b6\u6001\uff0c\u8fbe\u5230\u8f66\u8f86\u8fd0\u8425\u53ef\u89c6\u5316\u7ba1\u7406\u3002\u4e2d\u667a\u8f66\u8054\u670d\u52a1\u5e73\u53f0\u9009\u62e9\u4e86\u7528\u00a0TDengine\u00a0\u6765\u9ad8\u6548\u5904\u7406\u4ece\u8f66\u8f86\u4e0a\u5b9e\u65f6\u91c7\u96c6\u7684\u65f6\u5e8f\u6570\u636e\u3002<\/p>\n","protected":false},"author":165,"featured_media":14214,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[4,5,69,7],"tags":[43],"_links":{"self":[{"href":"https:\/\/www.taosdata.com\/wp-json\/wp\/v2\/posts\/14207"}],"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\/165"}],"replies":[{"embeddable":true,"href":"https:\/\/www.taosdata.com\/wp-json\/wp\/v2\/comments?post=14207"}],"version-history":[{"count":0,"href":"https:\/\/www.taosdata.com\/wp-json\/wp\/v2\/posts\/14207\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.taosdata.com\/wp-json\/wp\/v2\/media\/14214"}],"wp:attachment":[{"href":"https:\/\/www.taosdata.com\/wp-json\/wp\/v2\/media?parent=14207"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.taosdata.com\/wp-json\/wp\/v2\/categories?post=14207"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.taosdata.com\/wp-json\/wp\/v2\/tags?post=14207"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}