public static int mdb_cursor_get_multiple(IntPtr cursor, ref ValueStructure key, ref ValueStructure value, CursorOperation op)
{
return(checkRead(LmdbMethods.mdb_cursor_get(cursor, ref key, ref value, op)));
}
private bool Get(CursorOperation operation, byte[] key)
{
_currentValueStructure = default(ValueStructure);
return(Lmdb.mdb_cursor_get(_handle, key, out _currentKeyStructure, out _currentValueStructure, operation) == 0);
}
public static int mdb_cursor_get(IntPtr cursor, byte[] key, out ValueStructure keyStructure, out ValueStructure valueStructure, CursorOperation op)
{
valueStructure = default(ValueStructure);
using (var marshal = new MarshalValueStructure(key))
{
keyStructure = marshal.Key;
return(checkRead(LmdbMethods.mdb_cursor_get(cursor, ref keyStructure, ref valueStructure, op)));
}
}
public static int mdb_cursor_get(IntPtr cursor, out ValueStructure key, out ValueStructure value, CursorOperation op)
{
key = value = default(ValueStructure);
return(checkRead(LmdbMethods.mdb_cursor_get(cursor, ref key, ref value, op)));
}
private int Compare(ref ValueStructure left, ref ValueStructure right)
{
return(_comparer.Compare(left.GetBytes(), right.GetBytes()));
}
private int IsDuplicate(ref ValueStructure left, ref ValueStructure right)
{
return(_duplicatesComparer.Compare(left.GetBytes(), right.GetBytes()));
}
public static extern int mdb_del(IntPtr txn, uint dbi, ref ValueStructure key, IntPtr data);
public static extern int mdb_put(IntPtr txn, uint dbi, ref ValueStructure key, ref ValueStructure data, PutOptions flags);
public static extern int mdb_get(IntPtr txn, uint dbi, ref ValueStructure key, out ValueStructure data);
public static extern int mdb_cursor_put(IntPtr cursor, ref ValueStructure key, ref ValueStructure value, CursorPutOptions flags);
public static extern int mdb_cursor_get(IntPtr cursor, ref ValueStructure key, ref ValueStructure data, CursorOperation op);
