private static IList? CreateList()

in csharp/src/Apache.Arrow.Adbc/Extensions/IArrowArrayExtensions.cs [388:453]

• 56 lines of code
• 25 McCabe index (conditional complexity)

        private static IList? CreateList(IArrowArray arrowArray)
        {
            if (arrowArray == null) throw new ArgumentNullException(nameof(arrowArray));

            switch (arrowArray)
            {
                case BooleanArray booleanArray:
                    return new List<bool>();
                case Date32Array date32Array:
                case Date64Array date64Array:
                    return new List<DateTime>();
                case Decimal128Array decimal128Array:
                    return new List<SqlDecimal>();
                case Decimal256Array decimal256Array:
                    return new List<string>();
                case DoubleArray doubleArray:
                    return new List<double>();
                case FloatArray floatArray:
                    return new List<float>();
#if NET5_0_OR_GREATER
                case PrimitiveArray<Half> halfFloatArray:
                    return new List<Half>();
#endif
                case Int8Array int8Array:
                    return new List<sbyte>();
                case Int16Array int16Array:
                    return new List<short>();
                case Int32Array int32Array:
                    return new List<int>();
                case Int64Array int64Array:
                    return new List<long>();
                case StringArray stringArray:
                    return new List<string>();
#if NET6_0_OR_GREATER
                case Time32Array time32Array:
                case Time64Array time64Array:
                    return new List<TimeOnly>();
#else
                case Time32Array time32Array:
                case Time64Array time64Array:
                    return new List<TimeSpan>();
#endif
                case TimestampArray timestampArray:
                    return new List<DateTimeOffset>();
                case UInt8Array uInt8Array:
                    return new List<byte>();
                case UInt16Array uInt16Array:
                    return new List<ushort>();
                case UInt32Array uInt32Array:
                    return new List<uint>();
                case UInt64Array uInt64Array:
                    return new List<ulong>();

                case BinaryArray binaryArray:
                    return new List<byte>();

                    // not covered:
                    // -- struct array
                    // -- dictionary array
                    // -- fixed size binary
                    // -- list array
                    // -- union array
            }

            return null;
        }