func arrFromVal()

in go/adbc/sqldriver/driver.go [414:476]
63 lines of code
17 McCabe index (conditional complexity)

func arrFromVal(val any) arrow.Array {
	var (
		buffers = make([]*memory.Buffer, 2)
		dt      arrow.DataType
	)
	switch v := val.(type) {
	case bool:
		dt = arrow.FixedWidthTypes.Boolean
		buffers[1] = memory.NewBufferBytes((*[1]byte)(unsafe.Pointer(&v))[:])
	case int8:
		dt = arrow.PrimitiveTypes.Int8
		buffers[1] = memory.NewBufferBytes((*[1]byte)(unsafe.Pointer(&v))[:])
	case uint8:
		dt = arrow.PrimitiveTypes.Uint8
		buffers[1] = memory.NewBufferBytes((*[1]byte)(unsafe.Pointer(&v))[:])
	case int16:
		dt = arrow.PrimitiveTypes.Int16
		buffers[1] = memory.NewBufferBytes((*[2]byte)(unsafe.Pointer(&v))[:])
	case uint16:
		dt = arrow.PrimitiveTypes.Uint16
		buffers[1] = memory.NewBufferBytes((*[2]byte)(unsafe.Pointer(&v))[:])
	case int32:
		dt = arrow.PrimitiveTypes.Int32
		buffers[1] = memory.NewBufferBytes((*[4]byte)(unsafe.Pointer(&v))[:])
	case uint32:
		dt = arrow.PrimitiveTypes.Uint32
		buffers[1] = memory.NewBufferBytes((*[4]byte)(unsafe.Pointer(&v))[:])
	case int64:
		dt = arrow.PrimitiveTypes.Int64
		buffers[1] = memory.NewBufferBytes((*[8]byte)(unsafe.Pointer(&v))[:])
	case uint64:
		dt = arrow.PrimitiveTypes.Uint64
		buffers[1] = memory.NewBufferBytes((*[8]byte)(unsafe.Pointer(&v))[:])
	case float32:
		dt = arrow.PrimitiveTypes.Float32
		buffers[1] = memory.NewBufferBytes((*[4]byte)(unsafe.Pointer(&v))[:])
	case float64:
		dt = arrow.PrimitiveTypes.Float64
		buffers[1] = memory.NewBufferBytes((*[8]byte)(unsafe.Pointer(&v))[:])
	case arrow.Date32:
		dt = arrow.PrimitiveTypes.Date32
		buffers[1] = memory.NewBufferBytes((*[4]byte)(unsafe.Pointer(&v))[:])
	case arrow.Date64:
		dt = arrow.PrimitiveTypes.Date64
		buffers[1] = memory.NewBufferBytes((*[8]byte)(unsafe.Pointer(&v))[:])
	case []byte:
		dt = arrow.BinaryTypes.Binary
		buffers[1] = memory.NewBufferBytes(arrow.Int32Traits.CastToBytes([]int32{0, int32(len(v))}))
		buffers[2] = memory.NewBufferBytes(v)
	case string:
		dt = arrow.BinaryTypes.String
		buffers[1] = memory.NewBufferBytes(arrow.Int32Traits.CastToBytes([]int32{0, int32(len(v))}))
		var buf = *(*[]byte)(unsafe.Pointer(&v))
		(*reflect.SliceHeader)(unsafe.Pointer(&buf)).Cap = len(v)
		buffers[2] = memory.NewBufferBytes(buf)
	}
	for _, b := range buffers {
		defer b.Release()
	}
	data := array.NewData(dt, 1, buffers, nil, 0, 0)
	defer data.Release()
	return array.MakeFromData(data)
}