fix compilation error

Author: lausannel

samples/Apache.IoTDB.Samples/SessionPoolTest.Utils.cs

@@ -0,0 +1,54 @@
+using System;
+using System.Collections.Generic;
+using Apache.IoTDB.DataStructure;
+
+namespace Apache.IoTDB.Samples
+{
+    public partial class SessionPoolTest
+    {
+        public static void PrintDataSetByObject(SessionDataSet sessionDataSet)
+        {
+            IReadOnlyList<string> columns = sessionDataSet.GetColumnNames();
+
+            foreach (string columnName in columns)
+            {
+                Console.Write($"{columnName}\t");
+            }
+            Console.WriteLine();
+
+            while (sessionDataSet.HasNext())
+            {
+                for (int i = 0; i < columns.Count; i++)
+                {
+                    string columnName = columns[i];
+                    Console.Write(sessionDataSet.GetObject(columnName));
+                    Console.Write("\t\t");
+                }
+                Console.WriteLine();
+            }
+        }
+
+        public static void PrintDataSetByString(SessionDataSet sessionDataSet)
+        {
+            IReadOnlyList<string> columns = sessionDataSet.GetColumnNames();
+
+            foreach (string columnName in columns)
+            {
+                Console.Write($"{columnName}\t");
+            }
+            Console.WriteLine();
+
+            while (sessionDataSet.HasNext())
+            {
+                for (int i = 0; i < columns.Count; i++)
+                {
+                    string columnName = columns[i];
+                    Console.Write(sessionDataSet.GetString(columnName));
+                    Console.Write("\t\t");
+                }
+                Console.WriteLine();
+            }
+        }
+        
+    }
+}

samples/Apache.IoTDB.Samples/SessionPoolTest.cs

@@ -324,7 +324,7 @@ public async Task TestDeleteData()
             System.Diagnostics.Debug.Assert(status == 0);
             var res = await session_pool.ExecuteQueryStatementAsync(
                 "select * from " + string.Format("{0}.{1}", testDatabaseName, testDevice) + " where time<10");
-            UtilsTest.PrintDataSetByString(res);
+            SessionPoolTest.PrintDataSetByString(res);
 
             await res.Close();
             var ts_path_lst = new List<string>()
@@ -335,7 +335,7 @@ public async Task TestDeleteData()
             await session_pool.DeleteDataAsync(ts_path_lst, 2, 3);
             res = await session_pool.ExecuteQueryStatementAsync(
                 "select * from " + string.Format("{0}.{1}", testDatabaseName, testDevice) + " where time<10");
-            UtilsTest.PrintDataSetByString(res);
+            SessionPoolTest.PrintDataSetByString(res);
 
             await res.Close();
             status = await session_pool.DeleteDatabaseAsync(testDatabaseName);
@@ -373,7 +373,7 @@ await session_pool.ExecuteNonQueryStatementAsync(
             var res = await session_pool.ExecuteQueryStatementAsync(
                 "select * from " + string.Format("{0}.{1}", testDatabaseName, testDevice) + " where time<10");
 
-            UtilsTest.PrintDataSetByString(res);
+            SessionPoolTest.PrintDataSetByString(res);
 
             await res.Close();
             status = await session_pool.DeleteDatabaseAsync(testDatabaseName);
@@ -450,28 +450,28 @@ await session_pool.ExecuteNonQueryStatementAsync(
                 "insert into " + string.Format("{0}.{1}", testDatabaseName, testDevice) + "(timestamp, status, hardware) VALUES (7, true,'lz')");
 
             var res = await session_pool.ExecuteQueryStatementAsync("show timeseries root");
-            UtilsTest.PrintDataSetByString(res);
+            SessionPoolTest.PrintDataSetByString(res);
 
             await res.Close();
             Console.WriteLine("SHOW TIMESERIES ROOT sql passed!");
             res = await session_pool.ExecuteQueryStatementAsync("show devices");
-            UtilsTest.PrintDataSetByString(res);
+            SessionPoolTest.PrintDataSetByString(res);
 
             await res.Close();
             Console.WriteLine("SHOW DEVICES sql passed!");
             res = await session_pool.ExecuteQueryStatementAsync($"COUNT TIMESERIES {testDatabaseName}");
-            UtilsTest.PrintDataSetByString(res);
+            SessionPoolTest.PrintDataSetByString(res);
 
             await res.Close();
             Console.WriteLine("COUNT TIMESERIES root sql Passed");
             res = await session_pool.ExecuteQueryStatementAsync("select * from root.ln.wf01 where time<10");
-            UtilsTest.PrintDataSetByString(res);
+            SessionPoolTest.PrintDataSetByString(res);
 
             await res.Close();
             Console.WriteLine("SELECT sql Passed");
             res = await session_pool.ExecuteQueryStatementAsync(
                 "select * from " + string.Format("{0}.{1}", testDatabaseName, testDevice) + " where time<10");
-            UtilsTest.PrintDataSetByString(res);
+            SessionPoolTest.PrintDataSetByString(res);
 
             await res.Close();
             status = await session_pool.DeleteDatabaseAsync(testDatabaseName);