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(); }