public static void Main(string[] args)
{
Console.WriteLine("Hello World!");
var connection = new H2Connection("jdbc:h2:mem:test");
connection.Open();
new H2Command("create table list (item integer primary key, description varchar(256), value integer)", connection).ExecuteNonQuery();
new H2Command("insert into list values (1, 'First Item', 10)", connection).ExecuteNonQuery();
new H2Command("insert into list values (2, 'Second Item', 11)", connection).ExecuteNonQuery();
var table = new DataTable("test")
{
CaseSensitive = false
};
var adapter = new H2DataAdapter("select item, description, value from list order by item", connection);
new H2CommandBuilder(adapter);
adapter.Fill(table);
table.Rows[1][1] = "First item modified";
table.Rows[1][2] = 12;
table.Rows.Add(new object[] { 3, "Third", 15 });
adapter.Update(table);
var table2 = new DataTable("test")
{
CaseSensitive = false
};
adapter.Fill(table2);
var x1 = table.ToXml();
var x2 = table2.ToXml();
Debug.Assert(x1.Equals(x2));
var count = new H2Command("select count(*) from list", connection).ExecuteScalar();
Debug.Assert(((long)count).Equals(3));
var one = new H2Command("select 1 from dual", connection).ExecuteScalar();
Debug.Assert(((int)one).Equals(1));
var a = new H2Command("select 'a' from dual", connection).ExecuteScalar();
Debug.Assert(((string)a).Equals("a"));
SimpleTest(connection, "int", 10, 11, 12);
SimpleTest(connection, "bigint", (long)10, (long)11, (long)12);
SimpleTest(connection, "smallint", (short)10, (short)11, (short)12);
SimpleTest(connection, "tinyint", (byte)10, (byte)11, (byte)12);
SimpleTest(connection, "double", 10d, 11d, 12d);
SimpleTest(connection, "float", 10d, 11d, 12d); // double is float !
SimpleTest(connection, "varchar(255)", "10", "11", "12");
SimpleTest(connection, "timestamp", DateTime.Today, DateTime.Today.AddDays(1), DateTime.Today.AddDays(2));
SimpleTest(connection, "date", DateTime.Today, DateTime.Today.AddDays(1), DateTime.Today.AddDays(2));
//var x1 = table.ToXml();
}
/// <summary>
/// - Creates a table with one primary key
/// - inserts a value
/// - loads the table to a DataTable and checks it has the expected value
/// - inserts another value, reloads and checks it's there
/// - updates the previously inserted value, reloads and checks it has the expected updated value
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="connection"></param>
/// <param name="typeStr"></param>
/// <param name="originalValue"></param>
/// <param name="updatedValue"></param>
/// <param name="insertedValue"></param>
static void SimpleTest <T>(H2Connection connection, String typeStr, T originalValue, T updatedValue, T insertedValue)
{
var tn = "simple_test_" + typeStr.Replace('(', '_').Replace(')', '_');
new H2Command("create table " + tn + " (value " + typeStr + " primary key)", connection).ExecuteNonQuery();
var originalValueStr =
(originalValue is string) ? "'" + originalValue + "'" :
(originalValue is DateTime) ? "parsedatetime('" + ((DateTime)(object)originalValue).ToString(CultureInfo.InvariantCulture) + "', 'MM/dd/yyyy hh:mm:ss')" :
originalValue.ToString();
new H2Command("insert into " + tn + " values (convert(" + originalValueStr + ", " + typeStr + "))", connection).ExecuteNonQuery();
var adapter = new H2DataAdapter("select * from " + tn + " order by value", connection);
new H2CommandBuilder(adapter);
var table = new DataTable(tn)
{
CaseSensitive = false
};
adapter.Fill(table);
Debug.Assert(table.Rows.Count.Equals(1));
CheckVal(table.Rows[0][0], originalValue);
table.Rows.Add(new object[] { insertedValue });
adapter.Update(table);
Reload(table, adapter);
Debug.Assert(table.Rows.Count.Equals(2));
CheckVal(table.Rows[1][0], insertedValue);
table.Rows[1][0] = updatedValue;
adapter.Update(table);
Reload(table, adapter);
Debug.Assert(table.Rows.Count.Equals(2));
CheckVal(table.Rows[1][0], updatedValue);
}
static void Reload(DataTable table, H2DataAdapter adapter)
{
table.Clear();
table.AcceptChanges();
adapter.Fill(table);
}
public static void Main(string[] args)
{
Console.WriteLine("Hello World!");
var connection = new H2Connection("jdbc:h2:mem:test");
connection.Open();
new H2Command("create table list (item integer primary key, description varchar(256), value integer)", connection).ExecuteNonQuery();
new H2Command("insert into list values (1, 'First Item', 10)", connection).ExecuteNonQuery();
new H2Command("insert into list values (2, 'Second Item', 11)", connection).ExecuteNonQuery();
var table = new DataTable("test")
{
CaseSensitive = false
};
var adapter = new H2DataAdapter("select item, description, value from list order by item", connection);
new H2CommandBuilder(adapter);
adapter.Fill(table);
table.Rows[1][1] = "First item modified";
table.Rows[1][2] = 12;
table.Rows.Add(new object[] { 3, "Third", 15 });
adapter.Update(table);
var table2 = new DataTable("test")
{
CaseSensitive = false
};
adapter.Fill(table2);
var x1 = table.ToXml();
var x2 = table2.ToXml();
Debug.Assert(x1.Equals(x2));
H2DataReader reader = adapter.SelectCommand.ExecuteReader();
int readerCount = 0;
Debug.Assert(reader.GetOrdinal("item") == 0);
Debug.Assert(reader.GetOrdinal("Description") == 1);
Debug.Assert(reader.GetOrdinal("VALUE") == 2);
try
{
reader.GetOrdinal("throwException");
Debug.Fail("Exception not thrown for GetOrdinal");
}
catch (IndexOutOfRangeException)
{
}
while (reader.Read())
{
int item = reader.GetInt32(0);
string description = reader.GetString(1);
int value = reader.GetInt32(2);
readerCount++;
Debug.Assert(item == readerCount);
CheckVal(reader["ITEM"], readerCount);
switch (item)
{
case 1:
Debug.Assert(description == "First Item");
Debug.Assert(value == 10);
CheckVal(reader["description"], "First Item");
CheckVal(reader["Value"], 10);
break;
case 2:
Debug.Assert(description == "First item modified");
Debug.Assert(value == 12);
CheckVal(reader["description"], "First item modified");
CheckVal(reader["Value"], 12);
break;
case 3:
Debug.Assert(description == "Third");
Debug.Assert(value == 15);
CheckVal(reader["description"], "Third");
CheckVal(reader["Value"], 15);
break;
default:
Debug.Fail("Unexpected item");
break;
}
}
Debug.Assert(readerCount == 3);
var count = new H2Command("select count(*) from list", connection).ExecuteScalar();
Debug.Assert(((long)count).Equals(3));
var one = new H2Command("select 1 from dual", connection).ExecuteScalar();
Debug.Assert(((int)one).Equals(1));
var a = new H2Command("select 'a' from dual", connection).ExecuteScalar();
Debug.Assert(((string)a).Equals("a"));
SimpleTest(connection, "int", 10, 11, 12);
SimpleTest(connection, "bigint", (long)10, (long)11, (long)12);
SimpleTest(connection, "smallint", (short)10, (short)11, (short)12);
SimpleTest(connection, "tinyint", (byte)10, (byte)11, (byte)12);
SimpleTest(connection, "double", 10d, 11d, 12d);
SimpleTest(connection, "float", 10d, 11d, 12d); // double is float !
SimpleTest(connection, "varchar(255)", "10", "11", "12");
SimpleTest(connection, "timestamp", DateTime.Today, DateTime.Today.AddDays(1), DateTime.Today.AddDays(2));
SimpleTest(connection, "date", DateTime.Today, DateTime.Today.AddDays(1), DateTime.Today.AddDays(2));
//var x1 = table.ToXml();
}
