[TS-376]<test>: add test case

tests/connectorTest/C#Test/nanosupport/nanotest.cs

@@ -29,21 +29,7 @@ namespace TDengineDriver
         private string password="taosdata";
         private short port = 0;
 
-        //sql parameters
-        private string dbName;
-        private string tbName;
-        private string precision;
-
-        private bool isInsertData;
-        private bool isQueryData;
-
-        private long tableCount;
-        private long totalRows;
-        private long batchRows;
-        private long beginTimestamp = 1551369600000L;
-
         private IntPtr conn = IntPtr.Zero;
-        private long rowsInserted = 0;
 
         static void Main(string[] args)
         {
@@ -73,15 +59,6 @@ namespace TDengineDriver
 
             tester.executeQuery("select * from tb;");
 
-            // Console.WriteLine("expected is : {0}", width);
-            // tdSql.checkData(0,0,"2021-06-10 0:00:00.100000001");
-            // tdSql.checkData(1,0,"2021-06-10 0:00:00.150000000");
-            // tdSql.checkData(2,0,"2021-06-10 0:00:00.299999999");
-            // tdSql.checkData(3,1,3);
-            // tdSql.checkData(4,1,5);
-            // tdSql.checkData(5,1,7);
-            // tdSql.checkRows(6);
-
             tester.executeQuery("select count(*) from tb where ts > 1623254400100000000 and ts < 1623254400100000002;");
             Console.WriteLine("expected is : 1 " );
             tester.executeQuery("select count(*) from tb where ts > '2021-06-10 0:00:00.100000001' and ts < '2021-06-10 0:00:00.160000000';");
@@ -271,8 +248,8 @@ namespace TDengineDriver
             // tdSql.checkData(0,0,1623258000123456789);
            
             
-        
             Console.WriteLine("usdb" );
+            tester.execute("drop database if exists usdb;");
             tester.execute("create database usdb precision 'us';");
             tester.execute("use usdb;");
             tester.execute("create stable st (ts timestamp ,speed float ) tags(time timestamp ,id int);");
@@ -290,12 +267,8 @@ namespace TDengineDriver
             tester.executeQuery("select first(*) from tb1;");
             Console.WriteLine("expected is : 1623258000123 " );
             
-
-
             tester.CloseConnection();
             tester.cleanup();
-
-
         }
 		
 		public void InitTDengine()
@@ -321,13 +294,13 @@ namespace TDengineDriver
                 Console.WriteLine("[ OK ] Connection established.");
             }
         }
+		
         //EXECUTE SQL
 		public void execute(string sql)
         {
             DateTime dt1 = DateTime.Now;
             IntPtr res = TDengine.Query(this.conn, sql.ToString());
             DateTime dt2 = DateTime.Now;
-            TimeSpan span = dt2 - dt1;
 
             if ((res == IntPtr.Zero) || (TDengine.ErrorNo(res) != 0))
             {
@@ -481,22 +454,16 @@ namespace TDengineDriver
             switch(psc)
             {
                 case 0:
-                    Console.WriteLine("db：[{0:G}]'s precision is {1:G}",this.dbName,"millisecond");
+                    Console.WriteLine("db：[{0:G}]'s precision is {1:G} millisecond");
                     break;
                 case 1:
-                    Console.WriteLine("db：[{0:G}]'s precision is {1:G}",this.dbName,"microsecond");
+                    Console.WriteLine("db：[{0:G}]'s precision is {1:G} microsecond");
                     break;
                 case 2:
-                    Console.WriteLine("db：[{0:G}]'s precision is {1:G}",this.dbName,"nanosecond");
+                    Console.WriteLine("db：[{0:G}]'s precision is {1:G} nanosecond");
                     break;
             }
-
         }		
-		
-		// public void checkData(int x ,int y , long ts ){
-			
-		// }
-		
 	}
 }
 

tests/pytest/insert/schemaChangeTest.py

+###################################################################
+#           Copyright (c) 2016 by TAOS Technologies, Inc.
+#                     All rights reserved.
+#
+#  This file is proprietary and confidential to TAOS Technologies.
+#  No part of this file may be reproduced, stored, transmitted,
+#  disclosed or used in any form or by any means other than as
+#  expressly provided by the written permission from Jianhui Tao
+#
+###################################################################
+
+# -*- coding: utf-8 -*-
+
+import sys
+import taos
+from util.log import *
+from util.cases import *
+from util.sql import *
+from util.dnodes import *
+import multiprocessing as mp
+
+class TDTestCase:
+    def init(self, conn, logSql):
+        tdLog.debug("start to execute %s" % __file__)
+        tdSql.init(conn.cursor())
+        self.ts = 1609430400000
+
+    def alterTableSchema(self):
+        conn1 = taos.connect(host="127.0.0.1", user="root", password="taosdata", config=tdDnodes.getSimCfgPath())
+        c1 = conn1.cursor()
+
+        c1.execute("use db")
+        c1.execute("alter table st drop column c2")
+        c1.execute("alter table st add column c2 double")
+
+        tdLog.sleep(1)
+        c1.execute("select * from st")
+        for data in c1:
+            print("Process 1: c2 = %s" % data[2])
+
+    
+    def insertData(self):
+        conn2 = taos.connect(host="127.0.0.1", user="root", password="taosdata", config=tdDnodes.getSimCfgPath())
+        c2 = conn2.cursor()
+
+        tdLog.sleep(1)
+        c2.execute("use db")
+        c2.execute("insert into t1 values(%d, 2, 2.22)" % (self.ts + 1))
+
+        c2.execute("select * from st")
+        for data in c2:
+            print("Process 2: c2 = %f" % data[2])
+
+    def run(self):
+        tdSql.prepare()
+        tdSql.execute("create table st(ts timestamp, c1 int, c2 float) tags(t1 int)")
+        tdSql.execute("create table t1 using st tags(1)")
+        tdSql.execute("insert into t1 values(%d, 1, 1.11)" % self.ts)
+        p1 = mp.Process(target=self.alterTableSchema, args=())
+        p2 = mp.Process(target=self.insertData, args=())
+        p1.start()
+        p2.start()
+
+        p1.join()
+        p2.join()
+
+    def stop(self):
+        tdSql.close()
+        tdLog.success("%s successfully executed" % __file__)
+
+tdCases.addWindows(__file__, TDTestCase())
+tdCases.addLinux(__file__, TDTestCase())
\ No newline at end of file