transaction qry

SQLite_Console/PsqLiteWrapper/PSqLite.cs

@@ -73,12 +73,67 @@ namespace PSqLiteWrapper
 			}
 		}
 
+		public static void ExecuteQuery(string[] queries)
+		{
+			if (string.IsNullOrEmpty(DBPath))
+				throw new ArgumentException("Empty DBPath");
+
+			try
+			{
+				using (SQLiteConnection conn = Connection)
+				{
+					conn.Open();
+					PSqLite.ExecuteQuery(conn, "BEGIN TRANSACTION;");
+
+					for (int i = 0; i < queries.Length; i++)
+					{
+						SQLiteCommand command = new SQLiteCommand(queries[i], conn);
+						command.ExecuteNonQuery();
+					}
+
+					PSqLite.ExecuteQuery(conn, "END TRANSACTION;");
+					Connection.Close();
+				}
+			}
+			catch (Exception ex)
+			{
+				throw ex;
+			}
+		}
+
+		public static void ExecuteQueryAsync(string query)
+		{
+			if (string.IsNullOrEmpty(DBPath))
+				throw new ArgumentException("Empty DBPath");
+
+			try
+			{
+				using (SQLiteConnection conn = Connection)
+				{
+					conn.Open();
+					SQLiteCommand command = new SQLiteCommand(query, conn);
+					command.ExecuteNonQueryAsync();
+					Connection.Close();
+				}
+			}
+			catch (Exception ex)
+			{
+				throw ex;
+			}
+		}
+
 		public static void ExecuteQuery(SQLiteConnection openedConn, string query)
 		{
 			SQLiteCommand command = new SQLiteCommand(query, openedConn);
 			command.ExecuteNonQuery();
 		}
 
+		public static void ExecuteQueryAsync(SQLiteConnection openedConn, string query)
+		{
+			SQLiteCommand command = new SQLiteCommand(query, openedConn);
+			command.ExecuteNonQueryAsync();
+		}
+
 		public static DataSet ExecuteSelectQuery(string query)
 		{
 			if (string.IsNullOrEmpty(DBPath))

SQLite_Console/SQLite_Console/Program.cs

@@ -47,52 +47,77 @@ namespace SQLite_Console
 			Console.WriteLine();
 			watch.Restart();
 
-			List<Thread> threads = new List<Thread>();
+			// Cach size
-			for (int i = 0; i < 20; i++)
+			PSqLite.ExecuteQuery("PRAGMA cache_size=10000;");
+
+			watch.Stop();
+			Console.WriteLine($"set cach size to 10000: {watch.ElapsedMilliseconds}ms");
+			Console.WriteLine();
+			watch.Restart();
+
+			//List<Thread> threads = new List<Thread>();
+			//for (int i = 0; i < 20; i++)
+			//{
+			//	threads.Add(new Thread(() => InsertRandomRows($"t{i + 1}", 1000)));
+			//}
+
+			//foreach (Thread thread in threads)
+			//{
+			//	thread.Start();
+			//}
+
+			Random rnd = new Random();
+			for (int i = 0; i < 2000; i++)
 			{
-				threads.Add(new Thread(() => InsertRandomRows($"t{i + 1}", 1000)));
+				string guid = Guid.NewGuid().ToString();
+				int age = rnd.Next(1, 100);
+				string name = $"Robo#{i + 1}";
+				string insertQry = $"INSERT INTO member VALUES ('{name}', {age}, '{guid}')";
+				PSqLite.ExecuteQuery(insertQry);
 			}
 
-			foreach (Thread thread in threads)
+			watch.Stop();
+			Console.WriteLine($"insert 2000 row case1: {watch.ElapsedMilliseconds}ms");
+			Console.WriteLine();
+			watch.Restart();
+
+			rnd = new Random();
+			using (SQLiteConnection conn = PSqLite.Connection)
 			{
-				thread.Start();
+				conn.Open();
+				for (int i = 0; i < 2000; i++)
+				{
+					string guid = Guid.NewGuid().ToString();
+					int age = rnd.Next(1, 100);
+					string name = $"Robo#{i + 1}";
+					string insertQry = $"INSERT INTO member VALUES ('{name}', {age}, '{guid}')";
+					PSqLite.ExecuteQuery(conn, insertQry);
 				}
 
-			//Random rnd = new Random();
+				conn.Close();
-			//for (int i = 0; i < 2000; i++)
+			}
-			//{
-			//	string guid = Guid.NewGuid().ToString();
-			//	int age = rnd.Next(1, 100);
-			//	string name = $"Robo#{i + 1}";
-			//	string insertQry = $"INSERT INTO member VALUES ('{name}', {age}, '{guid}')";
-			//	PSqLite.ExecuteQuery(insertQry);
-			//}
 
-			//watch.Stop();
+			watch.Stop();
-			//Console.WriteLine($"insert 2000 row case1: {watch.ElapsedMilliseconds}ms");
+			Console.WriteLine($"insert 2000 row case2: {watch.ElapsedMilliseconds}ms");
-			//Console.WriteLine();
+			Console.WriteLine();
-			//watch.Restart();
+			watch.Restart();
 
-			//rnd = new Random();
+			rnd = new Random();
-			//using (SQLiteConnection conn = PSqLite.Connection)
+			string[] queries = new string[2000];
-			//{
+			for (int i = 0; i < 2000; i++)
-			//	conn.Open();
+			{
-			//	for (int i = 0; i < 2000; i++)
+				string guid = Guid.NewGuid().ToString();
-			//	{
+				int age = rnd.Next(1, 100);
-			//		string guid = Guid.NewGuid().ToString();
+				string name = $"Robo#{i + 1}";
-			//		int age = rnd.Next(1, 100);
+				queries[i] = $"INSERT INTO member VALUES ('{name}', {age}, '{guid}')";
-			//		string name = $"Robo#{i + 1}";
+			}
-			//		string insertQry = $"INSERT INTO member VALUES ('{name}', {age}, '{guid}')";
-			//		PSqLite.ExecuteQuery(conn, insertQry);
-			//	}
 
-			//	conn.Close();
+			PSqLite.ExecuteQuery(queries);
-			//}
 
-			//watch.Stop();
+			watch.Stop();
-			//Console.WriteLine($"insert 2000 row case2: {watch.ElapsedMilliseconds}ms");
+			Console.WriteLine($"insert 2000 row case3: {watch.ElapsedMilliseconds}ms");
-			//Console.WriteLine();
+			Console.WriteLine();
-			//watch.Restart();
+			watch.Restart();
 
 			//DataSet select = PSqLite.ExecuteSelectQuery("SELECT * FROM member");
 			//DataRowCollection rows = select.Tables[0].Rows;
@@ -146,15 +171,18 @@ namespace SQLite_Console
 			using (SQLiteConnection conn = PSqLite.Connection)
 			{
 				conn.Open();
+				PSqLite.ExecuteQuery("BEGIN TRANSACTION;");
+
 				for (int i = 0; i < count; i++)
 				{
 					string guid = Guid.NewGuid().ToString();
 					int age = rnd.Next(1, 100);
 					string name = $"{identifier} Robo#{i + 1}";
-					string insertQry = $"INSERT INTO member VALUES ('{name}', {age}, '{guid}')";
+					string insertQry = $"INSERT INTO member VALUES ('{name}', {age}, '{guid}');";
 					PSqLite.ExecuteQuery(conn, insertQry);
 				}
 
+				PSqLite.ExecuteQuery("BEGIN TRANSACTION;");
 				conn.Close();
 			}