public void FunctionUser_ShouldReturnUserName()
{
var dbPrototype = new DataSet("mytest");
var clientsTable = GenerateTableClients();
dbPrototype.Tables.Add(clientsTable);
TestQuery(dbPrototype, connection => {
var cmd = new SharpHsqlCommand("CALL USER();", connection);
var user = (String)cmd.ExecuteScalar();
Assert.AreEqual("SA", user); // TODO: Why upper register?
});
}
public void FunctionSubstring_ShouldReturnSubstring()
{
var dbPrototype = new DataSet("mytest");
var clientsTable = GenerateTableClients();
dbPrototype.Tables.Add(clientsTable);
TestQuery(dbPrototype, connection => {
var cmd = new SharpHsqlCommand("CALL SUBSTRING('0123456', 3, 2);", connection);
var subs = (String)cmd.ExecuteScalar();
Assert.AreEqual("23", subs);
});
}
public void FunctionAscii_ShouldReturnCharCode()
{
var dbPrototype = new DataSet("mytest");
var clientsTable = GenerateTableClients();
dbPrototype.Tables.Add(clientsTable);
TestQuery(dbPrototype, connection => {
var cmd = new SharpHsqlCommand("CALL ASCII('A');", connection);
var ascii = (Int32)cmd.ExecuteScalar();
Assert.AreEqual(65, ascii);
});
}
public void DeclareVariableTest()
{
var dbPrototype = new DataSet("mytest");
TestQuery(dbPrototype, connection => {
PrepareVariables(connection);
var cmd = new SharpHsqlCommand("", connection);
cmd.CommandText = "SELECT @MyVar;";
var myVar = (String)cmd.ExecuteScalar();
Assert.AreEqual("Andy", myVar);
});
}
public void FunctionSqrt_ShouldReturnSquareRoot()
{
var dbPrototype = new DataSet("mytest");
var clientsTable = GenerateTableClients();
dbPrototype.Tables.Add(clientsTable);
TestQuery(dbPrototype, connection => {
var cmd = new SharpHsqlCommand("CALL SQRT(4);", connection);
var sqrt = (Double)cmd.ExecuteScalar();
Assert.AreEqual(2, sqrt);
});
}
public void FunctionAbs_ShouldReturnAbsoluteValue()
{
var dbPrototype = new DataSet("mytest");
var clientsTable = GenerateTableClients();
dbPrototype.Tables.Add(clientsTable);
TestQuery(dbPrototype, connection => {
var cmd = new SharpHsqlCommand("CALL ABS(-33.5);", connection);
var result = cmd.ExecuteScalar();
Assert.NotNull(result);
Assert.AreEqual(33.5, (Double)result);
});
}
public void FunctionAvg_ShouldReturnAverageValue()
{
var dbPrototype = new DataSet("mytest");
var clientsTable = GenerateTableClients();
dbPrototype.Tables.Add(clientsTable);
TestQuery(dbPrototype, connection => {
var commandText = "SELECT AVG(id) FROM clients;";
var cmd = new SharpHsqlCommand(commandText, connection);
var result = (Double)cmd.ExecuteScalar();
Assert.NotNull(result);
Assert.AreEqual(Enumerable.Range(1, 10).Average(), result);
});
}
public void FunctionMax_ShouldReturnMaximalValue()
{
var dbPrototype = new DataSet("mytest");
var clientsTable = GenerateTableClients();
dbPrototype.Tables.Add(clientsTable);
TestQuery(dbPrototype, connection => {
var commandText = "SELECT MAX(clients.id) FROM clients;";
var command = new SharpHsqlCommand(commandText, connection);
var result = command.ExecuteScalar();
Assert.NotNull(result);
Assert.AreEqual(Enumerable.Range(1, 10).Max(), (Int32)result);
});
}
public void AssignVaribleInQuery()
{
var dbPrototype = new DataSet("mytest");
dbPrototype.Tables.Add(GenerateTableClients());
TestQuery(dbPrototype, connection => {
var cmd = new SharpHsqlCommand("", connection);
cmd.CommandText = "DECLARE @MyId INTEGER;";
cmd.ExecuteNonQuery();
cmd.CommandText = "SET @MyId = SELECT MAX(id) + 1 FROM clients;";
cmd.ExecuteNonQuery();
cmd.CommandText = "SELECT @MyId;";
var myid = (Int32)cmd.ExecuteScalar();
Assert.AreEqual(11, myid);
});
}
public void CallExternFunction()
{
var dbPrototype = new DataSet("mytest");
var connection = GenerateTestDatabase(dbPrototype);
try {
connection.Open();
var cmd = new SharpHsqlCommand("", connection);
cmd.CommandText = "CREATE ALIAS CALCRATE FOR \"SharpHSQL.IntegrationTests,SharpHSQL.IntegrationTests.ExternalFunctionsSample.calcrate\";";
cmd.ExecuteNonQuery();
cmd.CommandText = "CALL CALCRATE(100, 21);";
var rate = (Decimal)cmd.ExecuteScalar();
Assert.AreEqual(121, rate);
}
catch (SharpHsqlException ex) {
Assert.Fail(ex.Message);
}
finally {
connection.Close();
}
}
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();
var 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")
{
var 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();
}
/// <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>
/// Execute a SharpHsqlCommand (that returns a 1x1 resultset) against the specified SharpHsqlConnection
/// using the provided parameters.
/// </summary>
/// <remarks>
/// e.g.:
/// int orderCount = (int)ExecuteScalar(conn, CommandType.Text, "Select count(Order) from TableTransaction where ProdId=?", new SharpHsqlParameter("@prodid", 24));
/// </remarks>
/// <param name="connection">A valid SharpHsqlConnection</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(SharpHsqlConnection connection, CommandType commandType, string commandText, params SharpHsqlParameter[] commandParameters)
{
if( connection == null ) throw new ArgumentNullException( "connection" );
// Create a command and prepare it for execution
SharpHsqlCommand cmd = new SharpHsqlCommand();
bool mustCloseConnection = false;
PrepareCommand(cmd, connection, (SharpHsqlTransaction)null, 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();
if( mustCloseConnection )
connection.Close();
return retval;
}
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;
}
}
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;
}
}