41 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			C#
		
	
	
	
			
		
		
	
	
			41 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			C#
		
	
	
	
| using System;
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| using TDengine.Driver;
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| using TDengine.Driver.Client;
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| 
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| namespace Examples
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| {
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|     public class WSStmtExample
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|     {
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|         public static void Main(string[] args)
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|         {
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|             var builder =
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|                 new ConnectionStringBuilder(
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|                     "protocol=WebSocket;host=localhost;port=6041;useSSL=false;username=root;password=taosdata");
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|             using (var client = DbDriver.Open(builder))
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|             {
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|                 try
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|                 {
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|                     client.Exec($"create database power");
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|                     client.Exec(
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|                         "CREATE STABLE power.meters (ts TIMESTAMP, current FLOAT, voltage INT, phase FLOAT) TAGS (groupId INT, location BINARY(24))");
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|                     using (var stmt = client.StmtInit())
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|                     {
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|                         stmt.Prepare(
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|                             "Insert into power.d1001 using power.meters tags(2,'California.SanFrancisco') values(?,?,?,?)");
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|                         var ts = new DateTime(2023, 10, 03, 14, 38, 05, 000);
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|                         stmt.BindRow(new object[] { ts, (float)10.30000, (int)219, (float)0.31000 });
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|                         stmt.AddBatch();
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|                         stmt.Exec();
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|                         var affected = stmt.Affected();
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|                         Console.WriteLine($"affected rows: {affected}");
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|                     }
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|                 }
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|                 catch (Exception e)
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|                 {
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|                     Console.WriteLine(e);
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|                     throw;
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|                 }
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|             }
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|         }
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|     }
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| } |