Example #1
0
        public unsafe bool GetNext(out RecordInfo recordInfo)
        {
            while (true)
            {
                if (enumerationPhase == 0)
                {
                    if (iter1.GetNext(out recordInfo))
                    {
                        ref var key   = ref iter1.GetKey();
                        ref var value = ref iter1.GetValue();

                        var bucket = default(HashBucket *);
                        var slot   = default(int);
                        var entry  = default(HashBucketEntry);
                        var hash   = fht.Comparer.GetHashCode64(ref key);
                        var tag    = (ushort)((ulong)hash >> Constants.kHashTagShift);
                        if (fht.FindTag(hash, tag, ref bucket, ref slot, ref entry) && entry.Address == iter1.CurrentAddress)
                        {
                            if (recordInfo.PreviousAddress >= fht.Log.BeginAddress)
                            {
                                if (tempKvSession.ContainsKeyInMemory(ref key, out _) == Status.OK)
                                {
                                    tempKvSession.Delete(ref key);
                                }
                            }

                            if (!recordInfo.Tombstone)
                            {
                                return(true);
                            }

                            continue;
                        }
                        else
                        {
                            if (recordInfo.Tombstone)
                            {
                                tempKvSession.Delete(ref key);
                            }
                            else
                            {
                                tempKvSession.Upsert(ref key, ref value);
                            }
                            continue;
                        }
                    }
Example #2
0
        /// <summary>
        /// Delete with Span input
        /// </summary>
        /// <typeparam name="Input"></typeparam>
        /// <typeparam name="Output"></typeparam>
        /// <typeparam name="Context"></typeparam>
        /// <typeparam name="Functions"></typeparam>
        /// <param name="clientSession"></param>
        /// <param name="key"></param>
        /// <param name="userContext"></param>
        /// <param name="serialNo"></param>
        /// <returns></returns>
        public static Status Delete <Input, Output, Context, Functions>(this ClientSession <SpanByte, SpanByte, Input, Output, Context, Functions> clientSession, ReadOnlySpan <byte> key, Context userContext = default, long serialNo = 0)
            where Functions : IFunctions <SpanByte, SpanByte, Input, Output, Context>
        {
            fixed(byte *k = key)
            {
                var _key = SpanByte.FromFixedSpan(key);

                return(clientSession.Delete(ref _key, userContext, serialNo));
            }
        }