public IEnumerable <Triple> SP(string s, string p)
{
var sh = KeySegments.GetNameSKeySubjectPredicate(_name, s, p);
var startS = KeyConfig.ConcatBytes(sh, KeyConfig.ByteZero);
var endS = KeyConfig.ConcatBytes(sh, KeyConfig.ByteOne);
return(new RocksEnumerable(_db, startS, endS, (Iterator it) => { return it.Next(); }));
}
public IEnumerable <Triple> SP(string s, string p, Triple c)
{
var sh = KeySegments.GetNameSKeySubjectPredicate(_name, s, p);
var startS = KeyConfig.ConcatBytes(sh, KeyConfig.ByteZero);
var endS = KeyConfig.ConcatBytes(sh, KeyConfig.ByteOne);
// todo: optimize
var(sKey, _, _) = new KeySegments(_name, c).GetKeys();
var continuation = KeyConfig.ConcatBytes(sKey, KeyConfig.ByteOne);
if (KeyConfig.ByteCompare(continuation, startS) < 0)
{
throw new InvalidOperationException("Invalid continuation token. Before range");
}
else if (KeyConfig.ByteCompare(continuation, endS) > 0)
{
return(Enumerable.Empty <Triple>());
}
return(new RocksEnumerable(_db, continuation, endS, (Iterator it) => { return it.Next(); }));
}