public void CursorTest()
{
Transaction t=env.Begin();
Cursor c = new Cursor(db, t);
byte[] k = new byte[5];
byte[] r = new byte[5];
c.Insert(k, r);
db.Find(t, k);
c.Close();
t.Commit();
db.Find(k);
}
public void AutoCleanupCursors3()
{
Database db = new Database();
db.Create("ntest.db");
Cursor cursor1 = new Cursor(db);
Cursor cursor2 = new Cursor(db);
Cursor cursor3 = new Cursor(db);
Cursor cursor4 = new Cursor(db);
Cursor cursor5 = new Cursor(db);
cursor3.Close();
cursor5.Close();
// let gc do the cleanup
db.Close(HamConst.HAM_AUTO_CLEANUP);
}
public void Create()
{
Cursor c = new Cursor(db);
c.Close();
}
private void Create()
{
Cursor c = new Cursor(db);
c.Close();
}
private void Cursor10000Test()
{
//create database
Hamster.Environment env = new Hamster.Environment();
env.Create("ntest.db");
Parameter[] param = new Parameter[1];
param[0] = new Parameter();
param[0].name = HamConst.HAM_PARAM_KEY_TYPE;
param[0].value = HamConst.HAM_TYPE_UINT64;
Database db = env.CreateDatabase(1, 0, param);
//insert records
for (ulong i = 0; i < 10000; i++)
{
byte[] key = BitConverter.GetBytes(i);
byte[] record = new byte[20];
db.Insert(key, record);
}
//close database
db.Close();
//reopen again
db = env.OpenDatabase(1);
Cursor cursor = new Cursor(db);
cursor.MoveFirst();
ulong firstKey = BitConverter.ToUInt64(cursor.GetKey(), 0);
Assert.AreEqual((ulong)0, firstKey);
cursor.MoveLast();
ulong lastKey = BitConverter.ToUInt64(cursor.GetKey(), 0);
Assert.AreEqual((ulong)9999, lastKey);
//close database
cursor.Close();
db.Close();
env.Close();
}
private void AutoCleanupCursors3()
{
Hamster.Environment env = new Hamster.Environment();
Database db = new Database();
env.Create("ntest.db");
db = env.CreateDatabase(1);
Cursor cursor1 = new Cursor(db);
Cursor cursor2 = new Cursor(db);
Cursor cursor3 = new Cursor(db);
Cursor cursor4 = new Cursor(db);
Cursor cursor5 = new Cursor(db);
cursor3.Close();
cursor5.Close();
// let gc do the cleanup
env.Close();
}
public override IEnumerable<KeyValuePair<long, Tick>> Read()
{
Cursor cursor = new Cursor(database);
try
{
foreach (var item in cursor.Forward())
yield return new KeyValuePair<long, Tick>(Reverse(item.Key), ToTick(item.Value));
}
finally
{
cursor.Close();
}
}
public void Cursor10000Test()
{
//create database
Database hamster = CreateDatabase("test.db");
//insert records
for (ulong i = 0; i < 10000; i++)
{
byte[] key = BitConverter.GetBytes(i);
byte[] record = new byte[20];
hamster.Insert(key, record);
}
//close database
hamster.Close();
//reopen again
hamster = OpenDatabase("test.db");
Cursor cursor = new Cursor(hamster);
cursor.MoveFirst();
ulong firstKey = BitConverter.ToUInt64(cursor.GetKey(), 0);
Assert.AreEqual((ulong)0, firstKey);
cursor.MoveLast();
ulong lastKey = BitConverter.ToUInt64(cursor.GetKey(), 0);
Assert.AreEqual((ulong)9999, lastKey);
//close database
cursor.Close();
hamster.Close();
}
