public int RemoveByIdAdvancedParam(ByteBuffer prefixBytes, uint prefixFieldCount, EnumerationOrder order, KeyProposition startKeyProposition, ByteBuffer startKeyBytes, KeyProposition endKeyProposition, ByteBuffer endKeyBytes) { using var enumerator = new RelationAdvancedEnumerator <T>(this, prefixBytes, prefixFieldCount, order, startKeyProposition, startKeyBytes, endKeyProposition, endKeyBytes, 0); var keysToDelete = new List <ByteBuffer>(); while (enumerator.MoveNext()) { keysToDelete.Add(enumerator.GetKeyBytes()); } foreach (var key in keysToDelete) { RemoveById(key, true); } return(keysToDelete.Count); }
public long CountWithProposition(ByteBuffer prefixBytes, KeyProposition startKeyProposition, ByteBuffer startKeyBytes, KeyProposition endKeyProposition, ByteBuffer endKeyBytes) { var keyValueTrProtector = _transaction.TransactionProtector; if (endKeyProposition == KeyProposition.Included) { endKeyBytes = RelationAdvancedEnumerator <T> .FindLastKeyWithPrefix(prefixBytes, endKeyBytes, _kvtr, keyValueTrProtector); } keyValueTrProtector.Start(); _kvtr.SetKeyPrefix(prefixBytes); long startIndex; long endIndex; if (endKeyProposition == KeyProposition.Ignored) { endIndex = _kvtr.GetKeyValueCount() - 1; } else { switch (_kvtr.Find(endKeyBytes)) { case FindResult.Exact: endIndex = _kvtr.GetKeyIndex(); if (endKeyProposition == KeyProposition.Excluded) { endIndex--; } break; case FindResult.Previous: endIndex = _kvtr.GetKeyIndex(); break; case FindResult.Next: endIndex = _kvtr.GetKeyIndex() - 1; break; case FindResult.NotFound: endIndex = -1; break; default: throw new ArgumentOutOfRangeException(); } } if (startKeyProposition == KeyProposition.Ignored) { startIndex = 0; } else { switch (_kvtr.Find(startKeyBytes)) { case FindResult.Exact: startIndex = _kvtr.GetKeyIndex(); if (startKeyProposition == KeyProposition.Excluded) { startIndex++; } break; case FindResult.Previous: startIndex = _kvtr.GetKeyIndex() + 1; break; case FindResult.Next: startIndex = _kvtr.GetKeyIndex(); break; case FindResult.NotFound: startIndex = 0; break; default: throw new ArgumentOutOfRangeException(); } } return(Math.Max(0, endIndex - startIndex + 1)); }