Hotfix/sangshuduo/td 3877 c sharp query result (#5866)

* [TD-3877]<fix>: C# query result determination mechanism changed.

* [TD-3877]<fix>: C# query result determination mechanism changed.

change taosdemo and C#checker.
Co-authored-by: NShuduo Sang <sdsang@taosdata.com>

tests/examples/C#/TDengineTest.cs

@@ -165,7 +165,7 @@ namespace TDengineDriver
     public void ReadArgument(String[] argv)
     {
       PrintHelp(argv);
-      host = this.GetArgumentAsString(argv, "-h", "192.168.100.128");
+      host = this.GetArgumentAsString(argv, "-h", "127.0.0.1");
       user = this.GetArgumentAsString(argv, "-u", "root");
       password = this.GetArgumentAsString(argv, "-p", "taosdata");
       dbName = this.GetArgumentAsString(argv, "-d", "db");
@@ -212,42 +212,54 @@ namespace TDengineDriver
       StringBuilder sql = new StringBuilder();
       sql.Append("create database if not exists ").Append(this.dbName);
       IntPtr res = TDengine.Query(this.conn, sql.ToString());
-      if (res != IntPtr.Zero)
+      if ((res == IntPtr.Zero) || (TDengine.ErrorNo(res) != 0))
       {
-        Console.WriteLine(sql.ToString() + " success");
+        Console.Write(sql.ToString() + " failure, ");
+        if (res != IntPtr.Zero) {
+          Console.Write("reason: " + TDengine.Error(res));
+        }
+        Console.WriteLine("");
+        ExitProgram();
       }
       else
       {
-        Console.WriteLine(sql.ToString() + " failure, reason: " + TDengine.Error(res));
-        ExitProgram();
+          Console.WriteLine(sql.ToString() + " success");
       }
       TDengine.FreeResult(res);
 
       sql.Clear();
       sql.Append("use ").Append(this.dbName);
       res = TDengine.Query(this.conn, sql.ToString());
-      if (res != IntPtr.Zero)
+      if ((res == IntPtr.Zero) || (TDengine.ErrorNo(res) != 0))
       {
-        Console.WriteLine(sql.ToString() + " success");
+        Console.Write(sql.ToString() + " failure, ");
+        if (res != IntPtr.Zero) {
+          Console.Write("reason: " + TDengine.Error(res));
+        }
+        Console.WriteLine("");
+        ExitProgram();
       }
       else
       {
-        Console.WriteLine(sql.ToString() + " failure, reason: " + TDengine.Error(res));
-        ExitProgram();
+          Console.WriteLine(sql.ToString() + " success");
       }
       TDengine.FreeResult(res);
 
       sql.Clear();
       sql.Append("create table if not exists ").Append(this.stableName).Append("(ts timestamp, v1 bool, v2 tinyint, v3 smallint, v4 int, v5 bigint, v6 float, v7 double, v8 binary(10), v9 nchar(10)) tags(t1 int)");
       res = TDengine.Query(this.conn, sql.ToString());
-      if (res != IntPtr.Zero)
+      if ((res == IntPtr.Zero) || (TDengine.ErrorNo(res) != 0))
       {
-        Console.WriteLine(sql.ToString() + " success");
+        Console.Write(sql.ToString() + " failure, ");
+        if (res != IntPtr.Zero) {
+          Console.Write("reason: " + TDengine.Error(res));
+        }
+        Console.WriteLine("");
+        ExitProgram();
       }
       else
       {
-        Console.WriteLine(sql.ToString() + " failure, reason: " + TDengine.Error(res));
-        ExitProgram();
+          Console.WriteLine(sql.ToString() + " success");
       }
       TDengine.FreeResult(res);
 
@@ -257,14 +269,18 @@ namespace TDengineDriver
         sql = sql.Append("create table if not exists ").Append(this.tablePrefix).Append(i)
           .Append(" using ").Append(this.stableName).Append(" tags(").Append(i).Append(")");
         res = TDengine.Query(this.conn, sql.ToString());
-        if (res != IntPtr.Zero)
+        if ((res == IntPtr.Zero) || (TDengine.ErrorNo(res) != 0))
         {
-          Console.WriteLine(sql.ToString() + " success");
+          Console.Write(sql.ToString() + " failure, ");
+          if (res != IntPtr.Zero) {
+            Console.Write("reason: " + TDengine.Error(res));
+          }
+          Console.WriteLine("");
+          ExitProgram();
         }
         else
         {
-          Console.WriteLine(sql.ToString() + " failure, reason: " + TDengine.Error(res));
-          ExitProgram();
+          Console.WriteLine(sql.ToString() + " success");
         }
         TDengine.FreeResult(res);
       }
@@ -298,9 +314,13 @@ namespace TDengineDriver
                .Append(", 5, 6, 7, 'abc', 'def')");
           }
           IntPtr res = TDengine.Query(this.conn, sql.ToString());
-          if (res == IntPtr.Zero)
+          if ((res == IntPtr.Zero) || (TDengine.ErrorNo(res) != 0))
           {
-            Console.WriteLine(sql.ToString() + " failure, reason: " + TDengine.Error(res));
+            Console.Write(sql.ToString() + " failure, ");
+            if (res != IntPtr.Zero) {
+              Console.Write("reason: " + TDengine.Error(res));
+            }
+            Console.WriteLine("");
           }
 
           int affectRows = TDengine.AffectRows(res);
@@ -326,16 +346,20 @@ namespace TDengineDriver
 
       System.DateTime start = new System.DateTime();
       long queryRows = 0;
-      
+
       for (int i = 0; i < 1/*this.tableCount*/; ++i)
       {
         String sql = "select * from " + this.dbName + "." + tablePrefix + i;
         Console.WriteLine(sql);
 
         IntPtr res = TDengine.Query(conn, sql);
-        if (res == IntPtr.Zero)
+        if ((res == IntPtr.Zero) || (TDengine.ErrorNo(res) != 0))
         {
-          Console.WriteLine(sql + " failure, reason: " + TDengine.Error(res));
+          Console.Write(sql.ToString() + " failure, ");
+          if (res != IntPtr.Zero) {
+            Console.Write("reason: " + TDengine.Error(res));
+          }
+          Console.WriteLine("");
           ExitProgram();
         }
 
@@ -423,8 +447,10 @@ namespace TDengineDriver
 
         if (TDengine.ErrorNo(res) != 0)
         {
-          Console.Write("Query is not complete, Error {0:G}", TDengine.ErrorNo(res), TDengine.Error(res));
+          Console.Write("Query is not complete, Error {0:G}",
+              TDengine.ErrorNo(res), TDengine.Error(res));
         }
+        Console.WriteLine("");
 
         TDengine.FreeResult(res);
       }

tests/examples/C#/taosdemo/taosdemo.cs

@@ -370,16 +370,19 @@ namespace TDengineDriver
             StringBuilder sql = new StringBuilder();
             sql.Append("DROP DATABASE IF EXISTS ").Append(this.dbName);
             IntPtr res = TDengine.Query(this.conn, sql.ToString());
-            if (res != IntPtr.Zero)
+            if ((res == IntPtr.Zero) || (TDengine.ErrorNo(res) != 0))
             {
-                VerbosePrint(sql.ToString() + " success\n");
+                Console.Write(sql.ToString() + " failure, ");
+                if (res != IntPtr.Zero) {
+                  Console.Write("reason: " + TDengine.Error(res));
+                }
+                Console.WriteLine("");
+                CleanAndExitProgram(1);
             }
             else
             {
-                Console.WriteLine(sql.ToString() + " failure, reason: " + TDengine.Error(res));
-                CleanAndExitProgram(1);
+                VerbosePrint(sql.ToString() + " success\n");
             }
-
         }
 
         public void CreateDb()
@@ -387,14 +390,18 @@ namespace TDengineDriver
             StringBuilder sql = new StringBuilder();
             sql.Append("CREATE DATABASE IF NOT EXISTS ").Append(this.dbName).Append(" replica ").Append(this.replica);
             IntPtr res = TDengine.Query(this.conn, sql.ToString());
-            if (res != IntPtr.Zero)
+            if ((res == IntPtr.Zero) || (TDengine.ErrorNo(res) != 0))
             {
-                VerbosePrint(sql.ToString() + " success\n");
+                Console.Write(sql.ToString() + " failure, ");
+                if (res != IntPtr.Zero) {
+                  Console.Write("reason: " + TDengine.Error(res));
+                }
+                Console.WriteLine("");
+                CleanAndExitProgram(1);
             }
             else
             {
-                Console.WriteLine(sql.ToString() + " failure, reason: " + TDengine.Error(res));
-                CleanAndExitProgram(1);
+                VerbosePrint(sql.ToString() + " success\n");
             }
             TDengine.FreeResult(res);
         }
@@ -408,14 +415,18 @@ namespace TDengineDriver
                 Append(this.dbName).Append(".").Append(this.stablePrefix).
                 Append("(ts timestamp, v1 bool, v2 tinyint, v3 smallint, v4 int, v5 bigint, v6 float, v7 double, v8 binary(10), v9 nchar(10)) tags(t1 int)");
             IntPtr res = TDengine.Query(this.conn, sql.ToString());
-            if (res != IntPtr.Zero)
+            if ((res == IntPtr.Zero) || (TDengine.ErrorNo(res) != 0))
             {
-                VerbosePrint(sql.ToString() + " success\n");
+                Console.Write(sql.ToString() + " failure, ");
+                if (res != IntPtr.Zero) {
+                  Console.Write("reason: " + TDengine.Error(res));
+                }
+                Console.WriteLine("");
+                CleanAndExitProgram(1);
             }
             else
             {
-                Console.WriteLine(sql.ToString() + " failure, reason: " + TDengine.Error(res));
-                CleanAndExitProgram(1);
+                VerbosePrint(sql.ToString() + " success\n");
             }
             TDengine.FreeResult(res);
         }
@@ -495,9 +506,13 @@ namespace TDengineDriver
 
                 IntPtr res = TDengine.Query(conn, sql);
                 DebugPrintFormat("res: {0}\n", res);
-                if (res == IntPtr.Zero)
+                if ((res == IntPtr.Zero) || (TDengine.ErrorNo(res) != 0))
                 {
-                    Console.WriteLine(sql + " failure, reason: " + TDengine.Error(res));
+                    Console.Write(sql.ToString() + " failure, ");
+                    if (res != IntPtr.Zero) {
+                      Console.Write("reason: " + TDengine.Error(res));
+                    }
+                    Console.WriteLine("");
                     CleanAndExitProgram(1);
                 }
 
@@ -761,9 +776,13 @@ namespace TDengineDriver
 
                         }
                         IntPtr res = TDengine.Query(this.conn, sql.ToString());
-                        if (res == IntPtr.Zero)
+                        if ((res == IntPtr.Zero) || (TDengine.ErrorNo(res) != 0))
                         {
-                            VerbosePrint(sql.ToString() + " failure, reason: " + TDengine.Error(res) + "\n");
+                            Console.Write(sql.ToString() + " failure, ");
+                            if (res != IntPtr.Zero) {
+                              Console.Write("reason: " + TDengine.Error(res));
+                            }
+                            Console.WriteLine("");
                         }
 
                         inserted += this.batchRows;
@@ -840,14 +859,18 @@ namespace TDengineDriver
                         sql = sql.Append("(ts timestamp, v1 bool, v2 tinyint, v3 smallint, v4 int, v5 bigint, v6 float, v7 double, v8 binary(10), v9 nchar(10))");
                     }
                     IntPtr res = TDengine.Query(this.conn, sql.ToString());
-                    if (res != IntPtr.Zero)
+                    if ((res == IntPtr.Zero) || (TDengine.ErrorNo(res) != 0))
                     {
-                        VerbosePrint(sql.ToString() + " success\n");
+                        Console.Write(sql.ToString() + " failure, ");
+                        if (res != IntPtr.Zero) {
+                          Console.Write("reason: " + TDengine.Error(res));
+                        }
+                        Console.WriteLine("");
+                        CleanAndExitProgram(1);
                     }
                     else
                     {
-                        VerbosePrint(sql.ToString() + " failure, reason: " + TDengine.Error(res) + "\n");
-                        CleanAndExitProgram(1);
+                        VerbosePrint(sql.ToString() + " success\n");
                     }
                     TDengine.FreeResult(res);
                 }