/// <summary> /// Create and prepare a SharpHsqlCommand, and call ExecuteReader with the appropriate CommandBehavior. /// </summary> /// <remarks> /// If we created and opened the connection, we want the connection to be closed when the DataReader is closed. /// /// If the caller provided the connection, we want to leave it to them to manage. /// </remarks> /// <param name="connection">A valid SharpHsqlConnection, on which to execute this command</param> /// <param name="transaction">A valid SharpHsqlTransaction, or 'null'</param> /// <param name="commandType">The CommandType (TableDirect, Text)</param> /// <param name="commandText">The T-SQL command</param> /// <param name="commandParameters">An array of SharpHsqlParameters to be associated with the command or 'null' if no parameters are required</param> /// <param name="connectionOwnership">Indicates whether the connection parameter was provided by the caller, or created by SharpHsqlHelper</param> /// <returns>SharpHsqlReader containing the results of the command</returns> private static SharpHsqlReader ExecuteReader(SharpHsqlConnection connection, SharpHsqlTransaction transaction, CommandType commandType, string commandText, SharpHsqlParameter[] commandParameters, SharpHsqlConnectionOwnership connectionOwnership) { if( connection == null ) throw new ArgumentNullException( "connection" ); bool mustCloseConnection = false; // Create a command and prepare it for execution SharpHsqlCommand cmd = new SharpHsqlCommand(); try { PrepareCommand(cmd, connection, transaction, commandType, commandText, commandParameters, out mustCloseConnection ); // Create a reader SharpHsqlReader dataReader; // Call ExecuteReader with the appropriate CommandBehavior if (connectionOwnership == SharpHsqlConnectionOwnership.External) { dataReader = cmd.ExecuteReader(); } else { dataReader = cmd.ExecuteReader(CommandBehavior.CloseConnection); } // Detach the SharpHsqlParameters from the command object, so they can be used again. // HACK: There is a problem here, the output parameter values are fletched // when the reader is closed, so if the parameters are detached from the command // then the SharpHsqlReader can´t set its values. // When this happen, the parameters can´t be used again in other command. bool canClear = true; foreach(SharpHsqlParameter commandParameter in cmd.Parameters) { if (commandParameter.Direction != ParameterDirection.Input) canClear = false; } if (canClear) { cmd.Parameters.Clear(); } return dataReader; } catch { if( mustCloseConnection ) connection.Close(); throw; } }
/// <summary> /// Execute a SharpHsqlCommand (that returns a resultset and takes no parameters) against the provided SharpHsqlTransaction. /// </summary> /// <remarks> /// e.g.: /// FillDataset(trans, CommandType.Text, "Select * from TableTransaction", ds, new string[] {"orders"}); /// </remarks> /// <param name="transaction">A valid SharpHsqlTransaction</param> /// <param name="commandType">The CommandType (TableDirect, Text)</param> /// <param name="commandText">The T-SQL command</param> /// <param name="dataSet">A dataset wich will contain the resultset generated by the command</param> /// <param name="tableNames">This array will be used to create table mappings allowing the DataTables to be referenced /// by a user defined name (probably the actual table name) /// </param> public static void FillDataset(SharpHsqlTransaction transaction, CommandType commandType, string commandText, DataSet dataSet, string[] tableNames) { FillDataset (transaction, commandType, commandText, dataSet, tableNames, null); }
/// <summary> /// Execute a SharpHsqlCommand (that returns a resultset) against the specified SharpHsqlTransaction /// using the provided parameters. /// </summary> /// <remarks> /// e.g.: /// FillDataset(trans, CommandType.Text, "Select * from TableTransaction where ProdId=?", ds, new string[] {"orders"}, new SharpHsqlParameter("@prodid", 24)); /// </remarks> /// <param name="transaction">A valid SharpHsqlTransaction</param> /// <param name="commandType">The CommandType (TableDirect, Text)</param> /// <param name="commandText">The T-SQL command</param> /// <param name="dataSet">A dataset wich will contain the resultset generated by the command</param> /// <param name="tableNames">This array will be used to create table mappings allowing the DataTables to be referenced /// by a user defined name (probably the actual table name) /// </param> /// <param name="commandParameters">An array of SharpHsqlParamters used to execute the command</param> public static void FillDataset(SharpHsqlTransaction transaction, CommandType commandType, string commandText, DataSet dataSet, string[] tableNames, params SharpHsqlParameter[] commandParameters) { FillDataset((SharpHsqlConnection)transaction.Connection, transaction, commandType, commandText, dataSet, tableNames, commandParameters); }
/// <summary> /// Execute a SharpHsqlCommand (that returns a resultset and takes no parameters) against the provided SharpHsqlTransaction. /// </summary> /// <remarks> /// e.g.: /// string r = ExecuteXmlReader(trans, CommandType.Text, "Select * from TableTransaction"); /// </remarks> /// <param name="transaction">A valid SharpHsqlTransaction</param> /// <param name="commandType">The CommandType (TableDirect, Text)</param> /// <param name="commandText">The T-SQL command using "FOR XML AUTO"</param> /// <returns>An string containing the resultset generated by the command</returns> public static string ExecuteXml(SharpHsqlTransaction transaction, CommandType commandType, string commandText) { // Pass through the call providing null for the set of SharpHsqlParameters return ExecuteXml(transaction, commandType, commandText, (SharpHsqlParameter[])null); }
/// <summary> /// Execute a SharpHsqlCommand (that returns a resultset) against the specified SharpHsqlTransaction /// using the provided parameters. /// </summary> /// <remarks> /// e.g.: /// XmlReader r = ExecuteXmlReader(trans, CommandType.Text, "Select * from TableTransaction where ProdId=?", new SharpHsqlParameter("@prodid", 24)); /// </remarks> /// <param name="transaction">A valid SharpHsqlTransaction</param> /// <param name="commandType">The CommandType (TableDirect, Text)</param> /// <param name="commandText">The T-SQL command using "FOR XML AUTO"</param> /// <param name="commandParameters">An array of SharpHsqlParamters used to execute the command</param> /// <returns>An XmlReader containing the resultset generated by the command</returns> public static string ExecuteXml(SharpHsqlTransaction transaction, CommandType commandType, string commandText, params SharpHsqlParameter[] commandParameters) { if( transaction == null ) throw new ArgumentNullException( "transaction" ); if( transaction != null && transaction.Connection == null ) throw new ArgumentException( "The transaction was rollbacked or commited, please provide an open transaction.", "transaction" ); // // Create a command and prepare it for execution SharpHsqlCommand cmd = new SharpHsqlCommand(); bool mustCloseConnection = false; PrepareCommand(cmd, (SharpHsqlConnection)transaction.Connection, transaction, commandType, commandText, commandParameters, out mustCloseConnection); // Create the DataAdapter & DataSet SharpHsqlDataAdapter obj_Adapter =new SharpHsqlDataAdapter (cmd); DataSet ds=new DataSet(); ds.Locale =CultureInfo.InvariantCulture; obj_Adapter.Fill(ds); // Detach the SharpHsqlParameters from the command object, so they can be used again cmd.Parameters.Clear(); string retval= ds.GetXml(); ds.Clear(); obj_Adapter.Dispose (); return retval; }
/// <summary> /// Execute a SharpHsqlCommand (that returns a resultset) against the specified SharpHsqlTransaction /// using the provided parameters. /// </summary> /// <remarks> /// e.g.: /// SharpHsqlReader dr = ExecuteReader(trans, CommandType.Text, "Select Orderid from TableTransaction where ProdId=?", new SharpHsqlParameter("@prodid", 24)); /// </remarks> /// <param name="transaction">A valid SharpHsqlTransaction</param> /// <param name="commandType">The CommandType (TableDirect, Text)</param> /// <param name="commandText">The T-SQL command</param> /// <param name="commandParameters">An array of SharpHsqlParamters used to execute the command</param> /// <returns>A SharpHsqlReader containing the resultset generated by the command</returns> public static SharpHsqlReader ExecuteReader(SharpHsqlTransaction transaction, CommandType commandType, string commandText, params SharpHsqlParameter[] commandParameters) { if( transaction == null ) throw new ArgumentNullException( "transaction" ); if( transaction != null && transaction.Connection == null ) throw new ArgumentException( "The transaction was rollbacked or commited, please provide an open transaction.", "transaction" ); // Pass through to private overload, indicating that the connection is owned by the caller return ExecuteReader((SharpHsqlConnection)transaction.Connection, transaction, commandType, commandText, commandParameters, SharpHsqlConnectionOwnership.External); }
/// <summary> /// Execute a SharpHsqlCommand (that returns a 1x1 resultset) against the specified SharpHsqlTransaction /// using the provided parameters. /// </summary> /// <remarks> /// e.g.: /// int orderCount = (int)ExecuteScalar(trans, CommandType.Text, "Select count(Order) from TableTransaction where ProdId=?", new SharpHsqlParameter("@prodid", 24)); /// </remarks> /// <param name="transaction">A valid SharpHsqlTransaction</param> /// <param name="commandType">The CommandType (TableDirect, Text)</param> /// <param name="commandText">The T-SQL command</param> /// <param name="commandParameters">An array of SharpHsqlParamters used to execute the command</param> /// <returns>An object containing the value in the 1x1 resultset generated by the command</returns> public static object ExecuteScalar(SharpHsqlTransaction transaction, CommandType commandType, string commandText, params SharpHsqlParameter[] commandParameters) { if( transaction == null ) throw new ArgumentNullException( "transaction" ); if( transaction != null && transaction.Connection == null ) throw new ArgumentException( "The transaction was rollbacked or commited, please provide an open transaction.", "transaction" ); // Create a command and prepare it for execution SharpHsqlCommand cmd = new SharpHsqlCommand(); bool mustCloseConnection = false; PrepareCommand(cmd, (SharpHsqlConnection)transaction.Connection, transaction, commandType, commandText, commandParameters, out mustCloseConnection); // Execute the command & return the results object retval = cmd.ExecuteScalar(); // Detach the SharpHsqlParameters from the command object, so they can be used again cmd.Parameters.Clear(); return retval; }
/// <summary> /// This method opens (if necessary) and assigns a connection, transaction, command type and parameters /// to the provided command /// </summary> /// <param name="command">The SharpHsqlCommand to be prepared</param> /// <param name="connection">A valid SharpHsqlConnection, on which to execute this command</param> /// <param name="transaction">A valid SharpHsqlTransaction, or 'null'</param> /// <param name="commandType">The CommandType (TableDirect, Text)</param> /// <param name="commandText">The T-SQL command</param> /// <param name="commandParameters">An array of SharpHsqlParameters to be associated with the command or 'null' if no parameters are required</param> /// <param name="mustCloseConnection"><c>true</c> if the connection was opened by the method, otherwose is false.</param> private static void PrepareCommand(SharpHsqlCommand command, SharpHsqlConnection connection, SharpHsqlTransaction transaction, CommandType commandType, string commandText, SharpHsqlParameter[] commandParameters, out bool mustCloseConnection ) { if( command == null ) throw new ArgumentNullException( "command" ); if(commandType == CommandType.StoredProcedure ) throw new ArgumentException("Stored Procedures are not supported."); // If the provided connection is not open, we will open it if (connection.State != ConnectionState.Open) { mustCloseConnection = true; connection.Open(); } else { mustCloseConnection = false; } // Associate the connection with the command command.Connection = connection; // Set the command text (SQL statement) command.CommandText = commandText; // If we were provided a transaction, assign it if (transaction != null) { if( transaction.Connection == null ) throw new ArgumentException( "The transaction was rollbacked or commited, please provide an open transaction.", "transaction" ); command.Transaction = transaction; } // Set the command type command.CommandType = commandType; // Attach the command parameters if they are provided if (commandParameters != null) { AttachParameters(command, commandParameters); } return; }
/// <summary> /// Execute a SharpHsqlCommand (that returns a resultset) against the specified SharpHsqlTransaction /// using the provided parameters. /// </summary> /// <remarks> /// e.g.: /// DataSet ds = ExecuteDataset(trans, CommandType.Text, "Select * from TableTransaction where ProdId=?", new SharpHsqlParameter("@prodid", 24)); /// </remarks> /// <param name="transaction">A valid SharpHsqlTransaction</param> /// <param name="commandType">The CommandType (TableDirect, Text)</param> /// <param name="commandText">The T-SQL command</param> /// <param name="commandParameters">An array of SharpHsqlParamters used to execute the command</param> /// <returns>A dataset containing the resultset generated by the command</returns> public static DataSet ExecuteDataset(SharpHsqlTransaction transaction, CommandType commandType, string commandText, params SharpHsqlParameter[] commandParameters) { if( transaction == null ) throw new ArgumentNullException( "transaction" ); if( transaction != null && transaction.Connection == null ) throw new ArgumentException( "The transaction was rollbacked or commited, please provide an open transaction.", "transaction" ); // Create a command and prepare it for execution SharpHsqlCommand cmd = new SharpHsqlCommand(); bool mustCloseConnection = false; PrepareCommand(cmd, (SharpHsqlConnection)transaction.Connection, transaction, commandType, commandText, commandParameters, out mustCloseConnection); // Create the DataAdapter & DataSet //using( SharpHsqlDataAdapter da = new SharpHsqlDataAdapter(cmd) ) SharpHsqlDataAdapter da = new SharpHsqlDataAdapter(cmd); DataSet ds = new DataSet(); ds.Locale =CultureInfo.InvariantCulture; // Fill the DataSet using default values for DataTable names, etc da.Fill(ds); // Detach the SharpHsqlParameters from the command object, so they can be used again cmd.Parameters.Clear(); // Return the dataset return ds; }
/// <summary> /// Private helper method that execute a SharpHsqlCommand (that returns a resultset) against the specified SharpHsqlTransaction and SharpHsqlConnection /// using the provided parameters. /// </summary> /// <remarks> /// e.g.: /// FillDataset(conn, trans, CommandType.Text, "Select * from TableTransaction where ProdId=?", ds, new string[] {"orders"}, new SharpHsqlParameter("@prodid", 24)); /// </remarks> /// <param name="connection">A valid SharpHsqlConnection</param> /// <param name="transaction">A valid SharpHsqlTransaction</param> /// <param name="commandType">The CommandType (TableDirect, Text)</param> /// <param name="commandText">The T-SQL command</param> /// <param name="dataSet">A dataset wich will contain the resultset generated by the command</param> /// <param name="tableNames">This array will be used to create table mappings allowing the DataTables to be referenced /// by a user defined name (probably the actual table name) /// </param> /// <param name="commandParameters">An array of SharpHsqlParamters used to execute the command</param> private static void FillDataset(SharpHsqlConnection connection, SharpHsqlTransaction transaction, CommandType commandType, string commandText, DataSet dataSet, string[] tableNames, params SharpHsqlParameter[] commandParameters) { if( connection == null ) throw new ArgumentNullException( "connection" ); if( dataSet == null ) throw new ArgumentNullException( "dataSet" ); // Create a command and prepare it for execution SharpHsqlCommand command = new SharpHsqlCommand(); bool mustCloseConnection = false; PrepareCommand(command, connection, transaction, commandType, commandText, commandParameters, out mustCloseConnection ); // Create the DataAdapter & DataSet SharpHsqlDataAdapter dataAdapter = new SharpHsqlDataAdapter(command); try { // Add the table mappings specified by the user if (tableNames != null && tableNames.Length > 0) { string tableName = "Table"; for (int index=0; index < tableNames.Length; index++) { if( tableNames[index] == null || tableNames[index].Length == 0 ) throw new ArgumentException( "The tableNames parameter must contain a list of tables, a value was provided as null or empty string.", "tableNames" ); dataAdapter.TableMappings.Add(tableName, tableNames[index]); tableName += (index + 1).ToString(); } } // Fill the DataSet using default values for DataTable names, etc dataAdapter.Fill(dataSet); // Detach the SharpHsqlParameters from the command object, so they can be used again command.Parameters.Clear(); if( mustCloseConnection ) connection.Close(); } finally { dataAdapter.Dispose(); } }
public void LoadContext(object sender, DoWorkEventArgs pArg) { var bwLoadDb = sender as BackgroundWorker; Debug.Assert(bwLoadDb != null); pArg.Result = true; pArg.Cancel = false; int _counter = 0; const int _dupsCounter = 0; if (Directory.Exists(serviceFolder)) { foreach (string _lotFolder in Directory.GetDirectories(serviceFolder)) { string[] _files = Directory.GetFiles(_lotFolder, "*.txt"); foreach (string _fileName in _files) { bwLoadDb.ReportStatus(string.Format("Loaded File: {0}", _fileName.Substring(_fileName.LastIndexOf(@"\") + 1))); if (bwLoadDb.CancellationPending) { pArg.Cancel = true; return; } try { using (var _conn = new SharpHsqlConnection("Initial Catalog=.;User Id=sa;Pwd=;")) { _conn.Open(); using (SharpHsqlTransaction _tran = _conn.BeginTransaction()) { var _cmd = new SharpHsqlCommand("", _conn); using (StreamReader _sr = File.OpenText(Path.Combine(_lotFolder, _fileName))) { try { string _input; while ((_input = _sr.ReadLine()) != null) { if (bwLoadDb.CancellationPending) { pArg.Cancel = true; throw new Exception("Canceled"); } if (++_counter % 1000 == 0) { bwLoadDb.ReportProgress(_counter); } if (!char.IsDigit(_input[0])) { bwLoadDb.ReportStatus(string.Format("Not number ?: {0} file: {1}", _input[0], _fileName)); throw new Exception("Serial NOT a number"); } string[] _fields = _input.Split(InventoryController.FieldDelimiter); if (_fields[1].Length != pinLength) { bwLoadDb.ReportStatus(string.Format("Invalid PIN Length: {0} file: {1}", _input[0], _fileName)); throw new Exception("Invalid PIN Length"); } long _pan; long.TryParse(_fields[1], out _pan); if (_pan == 0) { bwLoadDb.ReportStatus(string.Format("PIN Not a number? Pin: {0}, file: {1}", _fields[1], _fileName)); throw new Exception("PIN NOT a number"); } try { _cmd.CommandText = "INSERT INTO \"CardInventory\" (\"pan\") VALUES (" + _pan + ");"; _cmd.ExecuteNonQuery(); } catch (Exception _ex) { bwLoadDb.ReportStatus(String.Format("INSERT Exception: {0}", _ex.Message)); throw; } } } catch { _tran.Rollback(); throw; } _tran.Commit(); } } } } catch (Exception _ex) { pArg.Result = false; bwLoadDb.ReportStatus("Exception Processing file: " + _fileName + " [" + _ex.Message + "]"); break; } } } } bwLoadDb.ReportStatus("Total Scaned: " + _counter + " Dups: " + _dupsCounter + " Loaded: " + (_counter - _dupsCounter)); }
static void Main(string[] args) { SharpHsqlConnection conn = new SharpHsqlConnection("Initial Catalog=mytest;User Id=sa;Pwd=;"); byte[] data = new byte[] { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }; string base64photo = Convert.ToBase64String(data, 0, data.Length); try { conn.Open(); SharpHsqlCommand cmd = new SharpHsqlCommand("", conn); int res; Console.Write("Create table (y/n)?"); string create = Console.ReadLine(); if (create.ToLower() == "y") { cmd.CommandText = "DROP TABLE IF EXIST \"data\";CREATE TABLE \"data\" (\"id\" int NOT NULL PRIMARY KEY, \"MyObject\" OBJECT);"; res = cmd.ExecuteNonQuery(); cmd.CommandText = "DROP TABLE IF EXIST \"clients\";CREATE TABLE \"clients\" (\"id\" int NOT NULL IDENTITY PRIMARY KEY, \"DoubleValue\" double, \"nombre\" char, \"photo\" varbinary, \"created\" date );"; res = cmd.ExecuteNonQuery(); SharpHsqlTransaction tran = conn.BeginTransaction(); cmd = new SharpHsqlCommand("", conn); for (int i = 0; i < 10; i++) { cmd.CommandText = "INSERT INTO \"clients\" (\"DoubleValue\", \"nombre\", \"photo\", \"created\") VALUES (1.1, 'NOMBRE" + i.ToString() + "', '" + base64photo + "', NOW() );"; res = cmd.ExecuteNonQuery(); cmd.CommandText = "CALL IDENTITY();"; int id = (int)cmd.ExecuteScalar(); Console.WriteLine("Inserted id={0}", id); } cmd.CommandText = "DROP TABLE IF EXIST \"books\";CREATE TABLE \"books\" (\"id\" INT NOT NULL PRIMARY KEY, \"name\" char, \"author\" char, \"qty\" int, \"value\" numeric);"; res = cmd.ExecuteNonQuery(); cmd.CommandText = "INSERT INTO \"books\" VALUES (1, 'Book000', 'Any', 1, 23.5);"; res = cmd.ExecuteNonQuery(); cmd.CommandText = "INSERT INTO \"books\" VALUES (2, 'Book001', 'Andy', 2, 43.9);"; res = cmd.ExecuteNonQuery(); cmd.CommandText = "INSERT INTO \"books\" VALUES (3, 'Book002', 'Andy', 3, 37.25);"; res = cmd.ExecuteNonQuery(); tran.Commit(); } Console.WriteLine(); Console.Write("Do Bulk INSERTS (y/n)?"); string bulk = Console.ReadLine(); if (bulk.ToLower() == "y") { SharpHsqlTransaction tran = conn.BeginTransaction(); cmd = new SharpHsqlCommand("", conn); for (int i = 0; i < 1000; i++) { cmd.CommandText = "INSERT INTO \"clients\" (\"DoubleValue\", \"nombre\", \"photo\", \"created\") VALUES (1.1, 'NOMBRE" + i.ToString() + "', '" + base64photo + "', NOW() );"; res = cmd.ExecuteNonQuery(); } tran.Commit(); Console.WriteLine("Inserted 1000 new clients."); Console.WriteLine(); } cmd = new SharpHsqlCommand("", conn); cmd.CommandText = "SELECT \"clients\".\"id\", \"clients\".\"DoubleValue\", \"clients\".\"nombre\", \"clients\".\"photo\", \"clients\".\"created\" FROM \"clients\" ORDER BY \"clients\".\"id\" "; IDataReader reader = cmd.ExecuteReader(); byte[] photo = null; while (reader.Read()) { long len = reader.GetBytes(3, 0, null, 0, 0); photo = new byte[len]; reader.GetBytes(3, 0, photo, 0, (int)len); Console.WriteLine("id={0}, doubleValue={1}, nombre={2}, photo={3}, created={4}", reader.GetInt32(0), reader.GetDouble(1), reader.GetString(2), photo.Length, reader.GetDateTime(4).ToString("yyyy.MM.dd hh:mm:ss.fffffff")); } reader.Close(); Console.WriteLine(); cmd.CommandText = "SELECT * FROM \"books\""; reader = cmd.ExecuteReader(); while (reader.Read()) { Console.WriteLine("id={0}book={1},\tauthor={2},\tqty={3},\tvalue={4}", reader.GetInt32(0), reader.GetString(1), reader.GetString(2), reader.GetInt32(3), reader.GetDecimal(4)); } Console.WriteLine(); reader.Close(); Console.WriteLine(); cmd.CommandText = "SELECT * FROM \"books\" ORDER BY \"value\""; reader = cmd.ExecuteReader(); while (reader.Read()) { Console.WriteLine("id={0}book={1},\tauthor={2},\tqty={3},\tvalue={4}", reader.GetInt32(0), reader.GetString(1), reader.GetString(2), reader.GetInt32(3), reader.GetDecimal(4)); } Console.WriteLine(); reader.Close(); Console.WriteLine(); cmd.CommandText = "SELECT COUNT(*) as CNT, SUM(\"value\") FROM \"books\" WHERE \"author\" = 'Andy'"; reader = cmd.ExecuteReader(); while (reader.Read()) { Console.WriteLine("count={0},\tvalue={1}", reader.GetInt32(0), reader.GetDecimal(1)); } Console.WriteLine(); reader.Close(); cmd.CommandText = "SELECT \"name\", \"author\", SUM(\"value\") FROM \"books\" WHERE \"author\" = 'Andy' GROUP BY \"name\", \"author\";"; reader = cmd.ExecuteReader(); while (reader.Read()) { Console.WriteLine("name={0},\tauthor={1},\tvalue={2}", reader.GetString(0), reader.GetString(1), reader.GetDecimal(2)); } Console.WriteLine(); reader.Close(); cmd.CommandText = "SELECT \"name\", SUM(\"value\") FROM \"books\" WHERE \"author\" = 'Andy' GROUP BY \"name\";"; reader = cmd.ExecuteReader(); while (reader.Read()) { Console.WriteLine("name={0},\tvalue={1}", reader.GetString(0), reader.GetDecimal(1)); } Console.WriteLine(); reader.Close(); cmd.CommandText = "DELETE FROM \"clients\" WHERE \"clients\".\"id\" = 6;"; res = cmd.ExecuteNonQuery(); Console.WriteLine(); cmd.CommandText = "SELECT MAX(\"clients\".\"id\") FROM \"clients\";"; object result = cmd.ExecuteScalar(); if (result != null) { res = (int)result; Console.WriteLine("MAX=" + res); } cmd.CommandText = "SELECT SUM(\"clients\".\"id\") FROM \"clients\";"; result = cmd.ExecuteScalar(); if (result != null) { res = (int)result; Console.WriteLine("SUM=" + res); } cmd.CommandText = "SELECT COUNT(\"clients\".\"id\") FROM \"clients\";"; result = cmd.ExecuteScalar(); if (result != null) { res = (int)result; Console.WriteLine("COUNT=" + res); } cmd.CommandText = "SELECT AVG(\"clients\".\"id\") FROM \"clients\";"; result = cmd.ExecuteScalar(); if (result != null) { res = (int)result; Console.WriteLine("AVG=" + res); } cmd.CommandText = "CALL ABS(-33.5632);"; result = cmd.ExecuteScalar(); if (result != null) { Double abs = (Double)result; Console.WriteLine("ABS=" + abs); } cmd.CommandText = "CREATE ALIAS CALCRATE FOR \"ExternalFunction,ExternalFunction.Simple.calcrate\";"; res = cmd.ExecuteNonQuery(); cmd.CommandText = "CREATE ALIAS EXTTAN FOR \"ExternalFunction,ExternalFunction.Simple.tan\";"; res = cmd.ExecuteNonQuery(); cmd.CommandText = "CALL CALCRATE(100, 21);"; Decimal rate = (Decimal)cmd.ExecuteScalar(); Console.WriteLine("CALCRATE=" + rate); cmd.CommandText = "CALL EXTTAN(23.456);"; Double tan = (Double)cmd.ExecuteScalar(); Console.WriteLine("EXTTAN=" + tan); cmd.CommandText = "CALL SQRT(3);"; Double sqrt = (Double)cmd.ExecuteScalar(); Console.WriteLine("SQRT=" + sqrt); cmd.CommandText = "CALL SUBSTRING('0123456', 3, 2);"; string subs = (String)cmd.ExecuteScalar(); Console.WriteLine("SUBSTRING=" + subs); cmd.CommandText = "CALL ASCII('A');"; int ascii = (int)cmd.ExecuteScalar(); Console.WriteLine("ASCII=" + ascii); cmd.CommandText = "CALL USER();"; string user = (string)cmd.ExecuteScalar(); Console.WriteLine("USER="******"SELECT \"clients\".\"photo\" FROM \"clients\" WHERE \"clients\".\"id\" = 5;"; byte[] b = (byte[])cmd.ExecuteScalar(); cmd.CommandText = "SELECT \"clients\".\"id\", \"clients\".\"DoubleValue\", \"clients\".\"nombre\" FROM \"clients\" WHERE \"clients\".\"id\" = 5;"; SharpHsqlDataAdapter adapter = new SharpHsqlDataAdapter(cmd); DataSet ds = new DataSet(); res = adapter.Fill(ds); adapter = null; Console.WriteLine(); Console.WriteLine("DataSet.Fill: " + ds.Tables[0].Rows.Count); cmd.CommandText = "DECLARE @MyVar CHAR;SET @MyVar = 'Andy';"; cmd.ExecuteNonQuery(); Console.WriteLine(); cmd.CommandText = "SELECT @MyVar;"; string var = (string)cmd.ExecuteScalar(); Console.WriteLine("@MyVar=" + var); Console.WriteLine(); cmd.CommandText = "SELECT \"name\", \"author\", SUM(\"value\") FROM \"books\" WHERE \"author\" = @MyVar GROUP BY \"name\", \"author\";"; reader = cmd.ExecuteReader(); while (reader.Read()) { Console.WriteLine("name={0},\tauthor={1},\tvalue={2}", reader.GetString(0), reader.GetString(1), reader.GetDecimal(2)); } Console.WriteLine(); reader.Close(); cmd.CommandText = "INSERT INTO \"clients\" (\"DoubleValue\", \"nombre\", \"photo\", \"created\") VALUES (1.1, @MyVar, '" + base64photo + "', NOW() );"; res = cmd.ExecuteNonQuery(); cmd.CommandText = "DECLARE @MyId INT;SET @MyId = IDENTITY();"; cmd.ExecuteNonQuery(); cmd.CommandText = "SELECT @MyId;"; int myid = (int)cmd.ExecuteScalar(); Console.WriteLine("Inserted id={0}", myid); Console.WriteLine(); cmd.CommandText = "SET @MyId = SELECT MAX(\"clients\".\"id\") + 1 FROM \"clients\";"; cmd.ExecuteNonQuery(); cmd.CommandText = "SELECT @MyId;"; myid = (int)cmd.ExecuteScalar(); Console.WriteLine("Next id={0}", myid); Console.WriteLine(); reader.Close(); DateTime dt = DateTime.Now; cmd.CommandText = "INSERT INTO \"clients\" (\"DoubleValue\", \"nombre\", \"photo\", \"created\") VALUES (@DoubleValue, @nombre, @photo, @date );SET @Id = IDENTITY();"; cmd.Parameters.Add(new SharpHsqlParameter("@Id", DbType.Int32, 0, ParameterDirection.Output, false, 0, 0, null, DataRowVersion.Current, null)); cmd.Parameters.Add(new SharpHsqlParameter("@DoubleValue", DbType.Double, 0, ParameterDirection.Input, false, 0, 0, null, DataRowVersion.Current, 1.1)); cmd.Parameters.Add(new SharpHsqlParameter("@nombre", DbType.String, 0, ParameterDirection.Input, false, 0, 0, null, DataRowVersion.Current, "Andrés")); cmd.Parameters.Add(new SharpHsqlParameter("@photo", DbType.Binary, 0, ParameterDirection.Input, false, 0, 0, null, DataRowVersion.Current, photo)); cmd.Parameters.Add(new SharpHsqlParameter("@date", DbType.DateTime, 0, ParameterDirection.Input, false, 0, 0, null, DataRowVersion.Current, dt)); res = cmd.ExecuteNonQuery(); SharpHsqlParameter p = (SharpHsqlParameter)cmd.Parameters["@Id"]; myid = (int)p.Value; Console.WriteLine("Inserted id={0}", myid); Console.WriteLine(); cmd.Parameters.Clear(); cmd.CommandText = "SELECT \"clients\".\"created\" FROM \"clients\" WHERE \"clients\".\"id\" = " + myid + ";"; reader = cmd.ExecuteReader(); while (reader.Read()) { Console.WriteLine(String.Format("Dates are equal: {0}.", dt.Equals(reader.GetDateTime(0)))); } Console.WriteLine(); reader.Close(); cmd.CommandText = "SHOW DATABASES;"; reader = cmd.ExecuteReader(); for (int i = 0; i < reader.FieldCount; i++) { Console.Write(reader.GetName(i)); Console.Write("\t"); } Console.Write(Environment.NewLine); while (reader.Read()) { for (int i = 0; i < reader.FieldCount; i++) { Console.Write(reader.GetValue(i).ToString()); Console.Write("\t"); Console.Write(Environment.NewLine); } } Console.WriteLine(); reader.Close(); // Dataset Fill for SHOW DATABASES adapter = new SharpHsqlDataAdapter(cmd); ds = new DataSet(); res = adapter.Fill(ds); adapter = null; Console.WriteLine(); Console.WriteLine("DATABASES: " + ds.Tables[0].Rows.Count); Console.WriteLine(); cmd.CommandText = "SHOW TABLES;"; reader = cmd.ExecuteReader(); for (int i = 0; i < reader.FieldCount; i++) { Console.Write(reader.GetName(i)); Console.Write("\t"); } Console.Write(Environment.NewLine); while (reader.Read()) { for (int i = 0; i < reader.FieldCount; i++) { Console.Write(reader.GetValue(i).ToString()); Console.Write("\t"); Console.Write(Environment.NewLine); } } Console.WriteLine(); reader.Close(); // Dataset Fill for SHOW TABLES adapter = new SharpHsqlDataAdapter(cmd); ds = new DataSet(); res = adapter.Fill(ds); adapter = null; Console.WriteLine(); Console.WriteLine("TABLES: " + ds.Tables[0].Rows.Count); Hashtable myData = new Hashtable(); myData.Add("1", "ONE"); myData.Add("2", "TWO"); myData.Add("3", "TREE"); myData.Add("4", "FOUR"); myData.Add("5", "FIVE"); cmd.Parameters.Clear(); cmd.CommandText = "DELETE FROM \"data\" WHERE \"id\" = 1;"; res = cmd.ExecuteNonQuery(); cmd.Parameters.Clear(); cmd.CommandText = "INSERT INTO \"data\" (\"id\", \"MyObject\") VALUES( @id, @MyObject);"; cmd.Parameters.Add(new SharpHsqlParameter("@id", DbType.Int32, 0, ParameterDirection.Input, false, 0, 0, null, DataRowVersion.Current, 1)); cmd.Parameters.Add(new SharpHsqlParameter("@MyObject", DbType.Object, 0, ParameterDirection.Input, false, 0, 0, null, DataRowVersion.Current, myData)); res = cmd.ExecuteNonQuery(); cmd.Parameters.Clear(); cmd.CommandText = "SELECT \"data\".\"id\", \"data\".\"MyObject\" FROM \"data\";"; reader = cmd.ExecuteReader(); Console.Write(Environment.NewLine); int myId = 0; Hashtable readData = null; while (reader.Read()) { myId = reader.GetInt32(0); readData = (Hashtable)reader.GetValue(1); } foreach (DictionaryEntry entry in readData) { Console.WriteLine(String.Format("Key: {0}, Value: {1}", entry.Key.ToString(), entry.Value.ToString())); } Console.WriteLine(); reader.Close(); cmd.CommandText = "SHOW ALIAS;"; reader = cmd.ExecuteReader(); Console.Write(Environment.NewLine); while (reader.Read()) { Console.WriteLine("ALIAS {0} FOR {1}", reader.GetString(0), reader.GetString(1)); } Console.WriteLine(); reader.Close(); cmd.CommandText = "SHOW PARAMETERS CALCRATE;"; reader = cmd.ExecuteReader(); Console.Write(Environment.NewLine); while (reader.Read()) { Console.WriteLine("ALIAS: {0}, PARAM: {1},\t TYPE {2},\t POSITION: {3}", reader.GetString(0), reader.GetString(1), reader.GetString(2), reader.GetInt32(3)); } Console.WriteLine(); reader.Close(); cmd.CommandText = "SHOW COLUMNS \"clients\";"; reader = cmd.ExecuteReader(); Console.Write(Environment.NewLine); while (reader.Read()) { Console.WriteLine("TABLE: {0}, COLUMN: {1},\n\t NATIVE TYPE: {2},\t DB TYPE: {3},\n\t POSITION: {4},\t NULLABLE: {5},\t IDENTITY: {6}", reader.GetString(0), reader.GetString(1), reader.GetString(2), reader.GetValue(3), reader.GetInt32(4), reader.GetBoolean(5), reader.GetBoolean(6)); } Console.WriteLine(); reader.Close(); } catch (SharpHsqlException ex) { Console.WriteLine(ex.Message); } catch (Exception e) { Console.WriteLine(e.Message); } finally { conn.Close(); conn = null; } Console.WriteLine(); Console.WriteLine("Press [ENTER] to exit."); Console.ReadLine(); }
private void DoTest() { try { txtResult.Text = "Test started..."; //System.Diagnostics.Debugger.Launch(); SharpHsqlConnection conn = new SharpHsqlConnection("Initial Catalog=\\program files\\pocketSample\\mytest;User Id=sa;Pwd=;"); conn.Open(); SharpHsqlTransaction tran = conn.BeginTransaction(); SharpHsqlCommand cmd = new SharpHsqlCommand("", conn); int res; if (MessageBox.Show("Drop & create 'clients' table?", "Drop Table", MessageBoxButtons.YesNo, MessageBoxIcon.Question, MessageBoxDefaultButton.Button2) == DialogResult.Yes) { txtResult.Text += "\r\nDropping clients table..."; cmd.CommandText = "DROP TABLE IF EXIST \"clients\";CREATE CACHED TABLE \"clients\" (\"id\" int NOT NULL IDENTITY PRIMARY KEY, \"DoubleValue\" double, \"nombre\" char);"; res = cmd.ExecuteNonQuery(); for (int i = 0; i < 10; i++) { cmd.CommandText = "INSERT INTO \"clients\" (\"DoubleValue\", \"nombre\") VALUES (1.1, 'NOMBRE" + i.ToString() + "');"; res = cmd.ExecuteNonQuery(); cmd.CommandText = "CALL IDENTITY();"; int id = (int)cmd.ExecuteScalar(); txtResult.Text += String.Format("\r\nInserted id={0}", id); } } if (MessageBox.Show("Bulk INSERT 'clients' table?", "Insert Table", MessageBoxButtons.YesNo, MessageBoxIcon.Question, MessageBoxDefaultButton.Button2) == DialogResult.Yes) { txtResult.Text += "\r\nBulk Insert clients table..."; for (int i = 0; i < 1000; i++) { cmd.CommandText = "INSERT INTO \"clients\" (\"DoubleValue\", \"nombre\") VALUES (1.1, 'NOMBRE" + i.ToString() + "');"; res = cmd.ExecuteNonQuery(); } txtResult.Text += "\r\nInserted 1000 rows."; } txtResult.Text += "\r\nSelecting rows..."; cmd.CommandText = "SELECT \"clients\".\"id\", \"clients\".\"DoubleValue\", \"clients\".\"nombre\" FROM \"clients\""; IDataReader reader = cmd.ExecuteReader(); string row = ""; int count = 0; while (reader.Read()) { count++; row = String.Format("id={0}, doubleValue={1}, nombre={2}", reader.GetInt32(0), reader.GetDouble(1), reader.GetString(2)); } txtResult.Text += String.Format("\r\nSelected {0} rows.", count); txtResult.Text += String.Format("\r\nLast row: \r\n{0}", row); reader.Close(); tran.Commit(); //tran.Rollback(); cmd.CommandText = "DELETE FROM \"clients\" WHERE \"clients\".\"id\" = 5;"; res = cmd.ExecuteNonQuery(); cmd.CommandText = "SELECT MAX(\"clients\".\"id\") FROM \"clients\";"; res = (int)cmd.ExecuteScalar(); txtResult.Text += "\r\nMAX=" + res; cmd.CommandText = "SELECT SUM(\"clients\".\"id\") FROM \"clients\";"; res = (int)cmd.ExecuteScalar(); txtResult.Text += "\r\nSUM=" + res; cmd.CommandText = "SELECT COUNT(\"clients\".\"id\") FROM \"clients\";"; res = (int)cmd.ExecuteScalar(); txtResult.Text += "\r\nCOUNT=" + res; cmd.CommandText = "SELECT AVG(\"clients\".\"id\") FROM \"clients\";"; res = (int)cmd.ExecuteScalar(); txtResult.Text += "\r\nAVG=" + res; cmd.CommandText = "CALL ABS(-33.5632);"; Double abs = (Double)cmd.ExecuteScalar(); txtResult.Text += "\r\nABS=" + abs; cmd.CommandText = "CREATE ALIAS CALCRATE FOR \"ExternalFunction,ExternalFunction.Simple.calcrate\";"; res = cmd.ExecuteNonQuery(); cmd.CommandText = "CREATE ALIAS EXTTAN FOR \"ExternalFunction,ExternalFunction.Simple.tan\";"; res = cmd.ExecuteNonQuery(); cmd.CommandText = "CALL CALCRATE(100, 21);"; Decimal rate = (Decimal)cmd.ExecuteScalar(); txtResult.Text += "\r\nCALCRATE=" + rate; cmd.CommandText = "CALL EXTTAN(23.456);"; Double tan = (Double)cmd.ExecuteScalar(); txtResult.Text += "\r\nEXTTAN=" + tan; cmd.CommandText = "CALL SQRT(3);"; Double sqrt = (Double)cmd.ExecuteScalar(); txtResult.Text += "\r\nSQRT=" + sqrt; cmd.CommandText = "CALL SUBSTRING('0123456', 3, 2);"; string subs = (String)cmd.ExecuteScalar(); txtResult.Text += "\r\nSUBSTRING=" + subs; cmd.CommandText = "CALL ASCII('A');"; int ascii = (int)cmd.ExecuteScalar(); txtResult.Text += "\r\nASCII=" + ascii; cmd.CommandText = "CALL USER();"; string user = (string)cmd.ExecuteScalar(); txtResult.Text += "\r\nUSER="******"SELECT \"clients\".\"id\", \"clients\".\"DoubleValue\", \"clients\".\"nombre\" FROM \"clients\" WHERE \"clients\".\"id\" = 5;"; SharpHsqlDataAdapter adapter = new SharpHsqlDataAdapter(cmd); DataSet ds = new DataSet(); res = adapter.Fill(ds); adapter = null; txtResult.Text += "\r\nDataSet.Fill: " + ds.Tables[0].Rows.Count; conn.Close(); conn = null; } catch (SharpHsqlException ex) { txtResult.Text += "\r\nERROR: " + ex.Message; } catch (Exception ex) { txtResult.Text += "\r\nERROR: " + ex.Message; } }
protected bool generateBatch(CancelEventArgs pEvtArg, BackgroundWorker pBWGenCards, int pBatchId, int pBatchSize, int pPinLength, out string[] pCardArray) { var _result = false; pCardArray = new string[pBatchSize]; var _cardArrayIndex = 0; var _numberOfGeneratedCards = 0; try { using (var _conn = new SharpHsqlConnection("Initial Catalog=.;User Id=sa;Pwd=;")) { _conn.Open(); SharpHsqlTransaction _tran = _conn.BeginTransaction(); var _cmd = new SharpHsqlCommand("", _conn); int _dupsCounter = 0; try { while (_numberOfGeneratedCards < pBatchSize) { if (pBWGenCards.CancellationPending) { pEvtArg.Cancel = true; _tran.Rollback(); return(false); } long _pin = createRandomNumber(pPinLength); string _cardNumber = _pin.ToString("d" + pPinLength); if (!isValidCheckDigit(_cardNumber)) { continue; } try { _cmd.CommandText = "INSERT INTO \"CardInventory\" (\"pan\") VALUES (" + _pin + ");"; _cmd.ExecuteNonQuery(); } catch (Exception _ex) { if (_ex.Message.IndexOf("23000") == 0) { if (++_dupsCounter % 100 == 0) { pBWGenCards.ReportStatus("Dups: " + (-_dupsCounter)); } continue; } pBWGenCards.ReportStatus("INSERT Exception: " + _ex.Message); throw; } _numberOfGeneratedCards++; pCardArray[_cardArrayIndex++] = _cardNumber; if (++counter % 1000 == 0) { pBWGenCards.ReportProgress(counter); } } _tran.Commit(); pBWGenCards.ReportStatus("Completed BatchId: " + pBatchId.ToString("D6") + " Number Of cards: " + pBatchSize); _result = true; } catch (Exception _ex) { _tran.Rollback(); pBWGenCards.ReportStatus("Generate(loop) Card Numbers Exception: " + _ex.Message); } } } catch (Exception _ex) { pBWGenCards.ReportStatus("Generate Card Numbers Exception: " + _ex.Message); } return(_result); }