What does the error of receive end mean in Apache IoTDB Database? To initialize the offset of synchronization to start synchronization again, I delete $IOTDB_H
"I want to upgrade the Apache IoTDB.I want to ensure that the data is not lost. Can I just deploy the latest file and modify the data path to the previously use
Currently, native addition, subtraction, multiplication and division of Float fields on SQL will cause problems with the accuracy of the results, as shown in th
I use the query sorted according to the time column in the Apache IotDB. However, it seems invalid.Here are some details in the below picture. I don't know the
"I want to use the built-in UDTF functions, but I don't know what they are. How can I find them? Before using it, do I need to register it? I don't know the rea
"I want to use the built-in UDTF functions, but I don't know what they are. How can I find them? Before using it, do I need to register it? I don't know the rea
I execute multiple requests concurrently. Each request uses the following code: session.open ... session.close() I'm not sure whether it will cause concurre
I execute the statement below in the picture.However, I failed. I don't know the reason about it. Apache IoTDB version: 0.13 If someone knows it, please let me
I have deployed the Apache IoTDB in the Raspberry Pie which also collect the temperature data by ds18b20.Now I want to insert the data collected to the Apache I
After I wrote a batch of data into the Apache IoTDB and stopped for a period of time, I found that the CPU and memory on the machine were still full. I don't kn
I want to delete the device in the Apache IoTDB. But I don't know how to do it. I can't find something like delete devices command in the user guide. Apache IoT
I want to query the value of a variable in Apache IoTDB 0.13, but I don't know how to do it. I know the method in Apache IoTDB 0.12. It seems
The sql statement below select sum(jiangyuliang) from root.disaster.sd.* where time>=2022-05-01T08:00:00 and time<=2022-05-01T23:00:00 FILL(0) align by d
There is an error with the result of aggregation on series with * and where clause.The value of count(root.ln.wf02.wt02.temperature) should be 21 but it turned
I use the API insertTablet to insert the data into the Apache IoTDB. org.apache.iotdb.tsfile.common.conf.TSFileDescriptor - Failed to find config file iotdb-eng
I save the raw value 35705231438 into the Apache IoTDB, and I specify the TSDataType is TEXT. However, when I query the value, it shows 3.5705231438E10. This is
I want to use the Python API to import the csv file data into the Apache IoTDB. How can I do it? Apache IoTDB version: 0.13
I want to query only the aggregate data of some devices in the Apache IoTDB. However, I don't know how to do it. If someone knows it, please let me know. Apache
I try to create the metadata template, but it failed. I got the warning no set the schemaNames.I don't know the reason about it. Apache IoTDB version: 0.13 If s
I want to use the OPC interface in the Apache IoTDB.I don't know how to do it. If someone knows it, please let me know. Apache IoTDB version: 0.13