Function NewVector

memstore/vectors/vector.go:57–72

NewVector creates a vector with the specified bits per unit and size(capacity). The majority of its storage space is managed in C.

(dataType common.DataType, size int)

// NewVector creates a vector with the specified bits per unit and size(capacity).
// The majority of its storage space is managed in C.
func NewVector(dataType common.DataType, size int) *Vector {
	unitBits := common.DataTypeBits(dataType)
	bytes := CalculateVectorBytes(dataType, size)

	buffer := cgoutils.HostAlloc(bytes)

	return &Vector{
		DataType: dataType,
		CmpFunc:  common.GetCompareFunc(dataType),
		unitBits: unitBits,
		Size:     size,
		Bytes:    bytes,
		buffer:   uintptr(buffer),
		minValue: math.MaxUint32,
	}
}

// CalculateVectorBytes calculates bytes the vector will occupy given data type and size without actual allocation.
func CalculateVectorBytes(dataType common.DataType, size int) int {