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();
}
static void Main(string[] args)
{
using (var connection = new H2Connection("connectionString", "username", "password"))
{
connection.Open();
H2Command command = connection.CreateCommand();
command.CommandText = "SELECT * FROM ACCOUNT";
H2DataReader reader = command.ExecuteReader();
while (reader.Read())
{
Console.WriteLine($"USER_NAME: {reader["USER_NAME"]} MAIL_ADDRESS: {reader["MAIL_ADDRESS"]}");
}
}
}
/// <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);
}
/// <summary> /// This method is called when the aggregate function is used. /// A new object is created for each invocation. /// </summary> /// <param name="connection">conn a connection to the database</param> /// <returns></returns> protected abstract int OnInit(H2Connection connection);
void org.h2.api.AggregateFunction.init(java.sql.Connection conn)
{
H2Connection connection = new H2Connection(conn);
OnInit(connection);
}
private void wizardPage3_ShowFromNext(object sender, EventArgs e)
{
/*Try Connect*/
IDbConnection conn = null;
try
{
if (comboBox1.SelectedIndex == 0 && !System.IO.File.Exists(txtOlaDb.Text.Replace(".h2.", ".lock.")))
{
MessageBox.Show("OLA Does not seem to be started on server?\r\nPlease make sure OLA is running with connected clients when connecting, else all traffic will be redirected through this computer!");
}
conn = GetDBConnection(lstDB.SelectedItem as string);
conn.Open();
IDbCommand cmd = conn.CreateCommand();
cmbOLAComp.Items.Clear();
cmd.CommandText = "SELECT VersionNumber FROM Version WHERE moduleId = 1";
try
{
object res = cmd.ExecuteScalar();
}
catch (Exception ee)
{
if (ee.Message.ToUpper().Contains("ENOUGH RIGHTS"))
{
conn.Close();
conn = new H2Connection("jdbc:h2://" + txtOlaDb.Text.Replace(".h2.db", "") + ";AUTO_SERVER=TRUE", "root", "");
try
{
conn.Open();
cmd = conn.CreateCommand();
TryApplyReadRights(cmd);
}
finally
{
conn.Close();
}
conn = GetDBConnection(lstDB.SelectedItem as string);
conn.Open();
cmd = conn.CreateCommand();
}
}
cmd.CommandText = "select eventid, name from Events";
IDataReader reader = cmd.ExecuteReader();
while (reader.Read())
{
OlaComp cmp = new OlaComp();
cmp.Id = Convert.ToInt32(reader["eventid"].ToString());
cmp.Name = Convert.ToString(reader["name"]);
cmbOLAComp.Items.Add(cmp);
}
reader.Close();
cmd.Dispose();
if (cmbOLAComp.Items.Count > 0)
{
cmbOLAComp.SelectedIndex = 0;
}
}
catch (Exception ee)
{
MessageBox.Show(this, ee.Message);
}
finally
{
if (conn != null)
{
conn.Close();
}
}
}
/// <summary> /// This method is called by the database engine once when initializing the trigger. /// </summary> /// <param name="connection">a connection to the database</param> /// <param name="schemaName">the name of the schema</param> /// <param name="triggerName">the name of the trigger used in the CREATE TRIGGER statement</param> /// <param name="tableName">the name of the table</param> /// <param name="before">whether the fire method is called before or after the operation is performed</param> /// <param name="type">the operation type: INSERT, UPDATE, or DELETE</param> protected abstract void OnInit(H2Connection connection, String schemaName, String triggerName, String tableName, bool before, TriggerTypes type);
void org.h2.api.Trigger.init(java.sql.Connection conn, String schemaName, String triggerName, String tableName, bool before, int type)
{
H2Connection connection = new H2Connection(conn);
OnInit(connection, schemaName, triggerName, tableName, before, (TriggerTypes)type);
}
/// <summary> /// This method is called for each triggered action. /// </summary> /// <param name="connection"> a connection to the database</param> /// <param name="oldRow">the old row, or null if no old row is available (for INSERT)</param> /// <param name="newRow">the new row, or null if no new row is available (for DELETE)</param> /// <remarks>throw SQLException if the operation must be undone</remarks> protected abstract void OnFire(H2Connection connection, object[] oldRow, object[] newRow);
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();
}
/// <summary> /// This method is called for each triggered action. /// </summary> /// <param name="connection"> a connection to the database</param> /// <param name="oldRow">the old row, or null if no old row is available (for INSERT)</param> /// <param name="newRow">the new row, or null if no new row is available (for DELETE)</param> /// <remarks>throw SQLException if the operation must be undone</remarks> protected abstract void OnFire(H2Connection connection, object[] oldRow, object[] newRow);
void org.h2.api.Trigger.init(java.sql.Connection conn, String schemaName, String triggerName, String tableName, bool before, int type)
{
H2Connection connection = new H2Connection(conn);
OnInit(connection, schemaName, triggerName, tableName, before, (TriggerTypes)type);
}
void org.h2.api.Trigger.fire(java.sql.Connection conn, object[] oldRow, object[] newRow)
{
H2Connection connection = new H2Connection(conn);
OnFire(connection, oldRow, newRow);
}
/// <summary> /// This method is called by the database engine once when initializing the trigger. /// </summary> /// <param name="connection">a connection to the database</param> /// <param name="schemaName">the name of the schema</param> /// <param name="triggerName">the name of the trigger used in the CREATE TRIGGER statement</param> /// <param name="tableName">the name of the table</param> /// <param name="before">whether the fire method is called before or after the operation is performed</param> /// <param name="type">the operation type: INSERT, UPDATE, or DELETE</param> protected abstract void OnInit(H2Connection connection, String schemaName, String triggerName, String tableName, bool before, TriggerTypes type);
void org.h2.api.AggregateFunction.init(java.sql.Connection conn)
{
H2Connection connection = new H2Connection(conn);
OnInit(connection);
}
/// <summary> /// This method is called when the aggregate function is used. /// A new object is created for each invocation. /// </summary> /// <param name="connection">conn a connection to the database</param> /// <returns></returns> protected abstract int OnInit(H2Connection connection);
void org.h2.api.Trigger.fire(java.sql.Connection conn, object[] oldRow, object[] newRow)
{
H2Connection connection = new H2Connection(conn);
OnFire(connection, oldRow, newRow);
}
