[jira] [Created] (IOTDB-1445) c++ : select * from dev (300 sensors * 10100000 points ) got Segmentation fault

["刘珍 (Jira)" <ji...@apache.org>]

刘珍 created IOTDB-1445:
-------------------------

             Summary: c++ : select * from dev  (300 sensors * 10100000 points ) got Segmentation fault
                 Key: IOTDB-1445
                 URL: https://issues.apache.org/jira/browse/IOTDB-1445
             Project: Apache IoTDB
          Issue Type: Bug
          Components: Client/Others
    Affects Versions: 0.12.0
            Reporter: 刘珍
         Attachments: image-2021-06-18-15-29-44-915.png

master 0616 / 699f866fb73d81c6d35ad6b401ceceb2499decbf
    Author: J.J. Liu <li...@gmail.com>  
    Fix Cpp example not release query dataset bug (#3419)

benchmark  generate  test data：
INSERT_MODE=session
IS_CLIENT_BIND=true
CLIENT_NUMBER=20
GROUP_NUMBER=20
DEVICE_NUMBER=20
SENSOR_NUMBER=300
IS_SENSOR_TS_ALIGNMENT=true
BATCH_SIZE=10
LOOP=1010000
OPERATION_PROPORTION=1:0:0:0:0:0:0:0:0:0:0
IS_OVERFLOW=false

SessionExample.cpp :
void query({color:red}string dev{color}) {
    unique_ptr<SessionDataSet> dataSet = session->executeQueryStatement({color:red}"select * from "+dev{color});
    cout << "timestamp" << "  ";
    for (string name : dataSet->getColumnNames()) {
      cout << name << "  ";
    }
    cout << endl;
    dataSet->setBatchSize(1024);
    while (dataSet->hasNext())
    {
      cout << dataSet->next()->toString();
    }

    dataSet->closeOperationHandle();
}

int main() {
    session = new Session("127.0.0.1", 6667, "root", "root");
    session->open(false);
         query("root.group_0.d_0");
      query("root.group_1.d_1");
      query("root.group_10.d_10");
      query("root.group_11.d_11");
      query("root.group_12.d_12");
      query("root.group_13.d_13");
      query("root.group_14.d_14");
      query("root.group_15.d_15");
      query("root.group_16.d_16");
      query("root.group_17.d_17");
      query("root.group_18.d_18");
      query("root.group_19.d_19");
      query("root.group_2.d_2");
      query("root.group_3.d_3");
      query("root.group_4.d_4");
      query("root.group_5.d_5");
      query("root.group_6.d_6");
      query("root.group_7.d_7");
      query("root.group_8.d_8");
      query("root.group_9.d_9");

    session->close();
    
    return 0;
}

compile :
mvn  package -P compile-cpp  -pl example/client-cpp-example -am -DskipTest

run test ：
./SessionExample

{color:red}* Segmentation fault*{color}

 !image-2021-06-18-15-29-44-915.png|thumbnail! 




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