private unsafe void ExtractColumn()

in language-extensions/dotnet-core-CSharp/src/managed/CSharpOutputDataSet.cs [118:182]
61 lines of code
15 McCabe index (conditional complexity)

        private unsafe void ExtractColumn(
            ushort          columnNumber,
            DataFrameColumn column
        )
        {
            Logging.Trace("CSharpOutputDataSet::ExtractColumn");
            int[] colMap = GetStrLenNullMap(column);
            fixed(int* len = colMap)
            {
                _strLenOrNullMapPtrs[columnNumber] = len;
            }

            switch(DataTypeMap[column.DataType])
            {
                case SqlDataType.DotNetInteger:
                    SetDataPtrs<int>(columnNumber, GetArray<int>(column));
                    break;
                case SqlDataType.DotNetUInteger:
                    SetDataPtrs<uint>(columnNumber, GetArray<uint>(column));
                    break;
                case SqlDataType.DotNetBigInt:
                    SetDataPtrs<long>(columnNumber, GetArray<long>(column));
                    break;
                case SqlDataType.DotNetUBigInt:
                    SetDataPtrs<ulong>(columnNumber, GetArray<ulong>(column));
                    break;
                case SqlDataType.DotNetSmallInt:
                    SetDataPtrs<short>(columnNumber, GetArray<short>(column));
                    break;
                case SqlDataType.DotNetUSmallInt:
                    SetDataPtrs<ushort>(columnNumber, GetArray<ushort>(column));
                    break;
                case SqlDataType.DotNetTinyInt:
                    SetDataPtrs<sbyte>(columnNumber, GetArray<sbyte>(column));
                    break;
                case SqlDataType.DotNetUTinyInt:
                    SetDataPtrs<byte>(columnNumber, GetArray<byte>(column));
                    break;
                case SqlDataType.DotNetBit:
                    SetDataPtrs<bool>(columnNumber, GetArray<bool>(column));
                    break;
                case SqlDataType.DotNetReal:
                    SetDataPtrs<float>(columnNumber, GetArray<float>(column));
                    break;
                case SqlDataType.DotNetFloat:
                    SetDataPtrs<double>(columnNumber, GetArray<double>(column));
                    break;
                case SqlDataType.DotNetDouble:
                    SetDataPtrs<double>(columnNumber, GetArray<double>(column));
                    break;
                case SqlDataType.DotNetChar:
                    // Modify the size of the string column to be the max size of bytes.
                    //
                    int maxStrLen = colMap.Max();
                    if(maxStrLen > 0)
                    {
                        _columns[columnNumber].Size = (ulong)maxStrLen;
                    }

                    SetDataPtrs<byte>(columnNumber, GetStringArray(column));
                    break;
                default:
                    throw new NotImplementedException("Parameter type for " + DataTypeMap[column.DataType].ToString() + " has not been implemented yet");
            }
        }