Example #1
0
File: file.go Project: rwcarlsen/ql
func create2(a *lldb.Allocator, data ...interface{}) (h int64, err error) {
	b, err := lldb.EncodeScalars(data...)
	if err != nil {
		return
	}

	return a.Alloc(b)
}
Example #2
0
func verifyAllocator(a *lldb.Allocator) error {
	bits, err := ioutil.TempFile("", "kv-verify-")
	if err != nil {
		return err
	}

	defer func() {
		nm := bits.Name()
		bits.Close()
		os.Remove(nm)
	}()

	var lerr error
	if err = a.Verify(
		lldb.NewSimpleFileFiler(bits),
		func(err error) bool {
			lerr = err
			return false
		},
		nil,
	); err != nil {
		return err
	}

	if lerr != nil {
		return lerr
	}

	t, err := lldb.OpenBTree(a, nil, 1)
	if err != nil {
		return err
	}

	e, err := t.SeekFirst()
	if err != nil {
		if err == io.EOF {
			err = nil
		}
		return err
	}

	for {
		_, _, err := e.Next()
		if err != nil {
			if err == io.EOF {
				err = nil
			}
			return err
		}
	}
}
Example #3
0
File: file.go Project: rwcarlsen/ql
func read2(a *lldb.Allocator, dst []interface{}, h int64, cols ...*col) (data []interface{}, err error) {
	b, err := a.Get(nil, h)
	if err != nil {
		return
	}

	rec, err := lldb.DecodeScalars(b)
	if err != nil {
		return
	}

	for _, col := range cols {
		i := col.index + 2
		switch col.typ {
		case 0:
		case qBool:
		case qComplex64:
			rec[i] = complex64(rec[i].(complex128))
		case qComplex128:
		case qFloat32:
			rec[i] = float32(rec[i].(float64))
		case qFloat64:
		case qInt8:
			rec[i] = int8(rec[i].(int64))
		case qInt16:
			rec[i] = int16(rec[i].(int64))
		case qInt32:
			rec[i] = int32(rec[i].(int64))
		case qInt64:
		case qString:
		case qUint8:
			rec[i] = uint8(rec[i].(uint64))
		case qUint16:
			rec[i] = uint16(rec[i].(uint64))
		case qUint32:
			rec[i] = uint32(rec[i].(uint64))
		case qUint64:
		default:
			log.Panic("internal error")
		}
	}

	return rec, nil
}