@Test
  public void globalAggregationTest() {
    String[] expectedHeader = new String[] {"_col0"};
    String[] retArray = new String[] {"30,"};

    sql = "SELECT count(num+1) from table0";
    tableResultSetEqualTest(sql, expectedHeader, retArray, DATABASE_NAME);
  }
In this IT, table has more than one TAGs and Attributes.
integration-test/src/test/java/org/apache/iotdb/relational/it/db/it/IoTDBMultiTAGsWithAttributesTableIT.java