/
utils.go
1303 lines (1153 loc) · 35.2 KB
/
utils.go
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// Licensed to the LF AI & Data foundation under one
// or more contributor license agreements. See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership. The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License. You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package storage
import (
"bytes"
"context"
"encoding/binary"
"fmt"
"io"
"io/fs"
"os"
"sort"
"strconv"
"github.com/cockroachdb/errors"
"github.com/golang/protobuf/proto"
"github.com/samber/lo"
"go.uber.org/zap"
"github.com/milvus-io/milvus-proto/go-api/v2/commonpb"
"github.com/milvus-io/milvus-proto/go-api/v2/schemapb"
"github.com/milvus-io/milvus/internal/proto/segcorepb"
"github.com/milvus-io/milvus/pkg/common"
"github.com/milvus-io/milvus/pkg/log"
"github.com/milvus-io/milvus/pkg/mq/msgstream"
"github.com/milvus-io/milvus/pkg/util/merr"
"github.com/milvus-io/milvus/pkg/util/paramtable"
"github.com/milvus-io/milvus/pkg/util/typeutil"
)
//////////////////////////////////////////////////////////////////////////////////////////////////
// Open opens file as os.Open works,
// also converts the os errors to Milvus errors
func Open(filepath string) (*os.File, error) {
// NOLINT
reader, err := os.Open(filepath)
if os.IsNotExist(err) {
return nil, merr.WrapErrIoKeyNotFound(filepath)
} else if err != nil {
return nil, merr.WrapErrIoFailed(filepath, err)
}
return reader, nil
}
// ReadFile reads file as os.ReadFile works,
// also converts the os errors to Milvus errors
func ReadFile(filepath string) ([]byte, error) {
// NOLINT
data, err := os.ReadFile(filepath)
if os.IsNotExist(err) {
return nil, merr.WrapErrIoKeyNotFound(filepath)
} else if err != nil {
return nil, merr.WrapErrIoFailed(filepath, err)
}
return data, nil
}
// WriteFile writes file as os.WriteFile works,
// also converts the os errors to Milvus errors
func WriteFile(filepath string, data []byte, perm fs.FileMode) error {
// NOLINT
err := os.WriteFile(filepath, data, perm)
if err != nil {
return merr.WrapErrIoFailed(filepath, err)
}
return nil
}
func checkTsField(data *InsertData) bool {
tsData, ok := data.Data[common.TimeStampField]
if !ok {
return false
}
_, ok = tsData.(*Int64FieldData)
return ok
}
func checkRowIDField(data *InsertData) bool {
rowIDData, ok := data.Data[common.RowIDField]
if !ok {
return false
}
_, ok = rowIDData.(*Int64FieldData)
return ok
}
func checkNumRows(fieldDatas ...FieldData) bool {
if len(fieldDatas) <= 0 {
return true
}
numRows := fieldDatas[0].RowNum()
for i := 1; i < len(fieldDatas); i++ {
if numRows != fieldDatas[i].RowNum() {
return false
}
}
return true
}
type fieldDataList struct {
IDs []FieldID
datas []FieldData
}
func (ls fieldDataList) Len() int {
return len(ls.IDs)
}
func (ls fieldDataList) Less(i, j int) bool {
return ls.IDs[i] < ls.IDs[j]
}
func (ls fieldDataList) Swap(i, j int) {
ls.IDs[i], ls.IDs[j] = ls.IDs[j], ls.IDs[i]
ls.datas[i], ls.datas[j] = ls.datas[j], ls.datas[i]
}
func sortFieldDataList(ls fieldDataList) {
sort.Sort(ls)
}
// TransferColumnBasedInsertDataToRowBased transfer column-based insert data to row-based rows.
// Note:
// - ts column must exist in insert data;
// - row id column must exist in insert data;
// - the row num of all column must be equal;
// - num_rows = len(RowData), a row will be assembled into the value of blob with field id order;
func TransferColumnBasedInsertDataToRowBased(data *InsertData) (
Timestamps []uint64,
RowIDs []int64,
RowData []*commonpb.Blob,
err error,
) {
if !checkTsField(data) {
return nil, nil, nil,
errors.New("cannot get timestamps from insert data")
}
if !checkRowIDField(data) {
return nil, nil, nil,
errors.New("cannot get row ids from insert data")
}
tss := data.Data[common.TimeStampField].(*Int64FieldData)
rowIDs := data.Data[common.RowIDField].(*Int64FieldData)
ls := fieldDataList{}
for fieldID := range data.Data {
if fieldID == common.TimeStampField || fieldID == common.RowIDField {
continue
}
ls.IDs = append(ls.IDs, fieldID)
ls.datas = append(ls.datas, data.Data[fieldID])
}
// checkNumRows(tss, rowIDs, ls.datas...) // don't work
all := []FieldData{tss, rowIDs}
all = append(all, ls.datas...)
if !checkNumRows(all...) {
return nil, nil, nil,
errors.New("columns of insert data have different length")
}
sortFieldDataList(ls)
numRows := tss.RowNum()
rows := make([]*commonpb.Blob, numRows)
for i := 0; i < numRows; i++ {
blob := &commonpb.Blob{}
var buffer bytes.Buffer
for j := 0; j < ls.Len(); j++ {
d := ls.datas[j].GetRow(i)
err := binary.Write(&buffer, common.Endian, d)
if err != nil {
return nil, nil, nil,
fmt.Errorf("failed to get binary row, err: %v", err)
}
}
blob.Value = buffer.Bytes()
rows[i] = blob
}
utss := make([]uint64, tss.RowNum())
for i := 0; i < tss.RowNum(); i++ {
utss[i] = uint64(tss.Data[i])
}
return utss, rowIDs.Data, rows, nil
}
///////////////////////////////////////////////////////////////////////////////////////////
// TODO: remove these functions to proper file.
// GetDimFromParams get dim from params.
func GetDimFromParams(params []*commonpb.KeyValuePair) (int, error) {
var dim int
var err error
for _, t := range params {
if t.Key == common.DimKey {
dim, err = strconv.Atoi(t.Value)
if err != nil {
return -1, err
}
return dim, nil
}
}
return -1, errors.New("dim not found in params")
}
// ReadBinary read data in bytes and write it into receiver.
//
// The receiver can be any type in int8, int16, int32, int64, float32, float64 and bool
// ReadBinary uses LittleEndian ByteOrder.
func ReadBinary(reader io.Reader, receiver interface{}, dataType schemapb.DataType) {
err := binary.Read(reader, common.Endian, receiver)
if err != nil {
log.Error("binary.Read failed", zap.Any("data type", dataType), zap.Error(err))
}
}
// It will save my life if golang support generic programming.
// TODO: string type.
func readFloatVectors(blobReaders []io.Reader, dim int) []float32 {
ret := make([]float32, 0)
for _, r := range blobReaders {
v := make([]float32, dim)
ReadBinary(r, &v, schemapb.DataType_FloatVector)
ret = append(ret, v...)
}
return ret
}
func readBinaryVectors(blobReaders []io.Reader, dim int) []byte {
ret := make([]byte, 0)
for _, r := range blobReaders {
v := make([]byte, dim/8)
ReadBinary(r, &v, schemapb.DataType_BinaryVector)
ret = append(ret, v...)
}
return ret
}
func readFloat16Vectors(blobReaders []io.Reader, dim int) []byte {
ret := make([]byte, 0)
for _, r := range blobReaders {
v := make([]byte, dim*2)
ReadBinary(r, &v, schemapb.DataType_Float16Vector)
ret = append(ret, v...)
}
return ret
}
func readBFloat16Vectors(blobReaders []io.Reader, dim int) []byte {
ret := make([]byte, 0)
for _, r := range blobReaders {
v := make([]byte, dim*2)
ReadBinary(r, &v, schemapb.DataType_BFloat16Vector)
ret = append(ret, v...)
}
return ret
}
func readBoolArray(blobReaders []io.Reader) []bool {
ret := make([]bool, 0)
for _, r := range blobReaders {
var v bool
ReadBinary(r, &v, schemapb.DataType_Bool)
ret = append(ret, v)
}
return ret
}
func readInt8Array(blobReaders []io.Reader) []int8 {
ret := make([]int8, 0)
for _, r := range blobReaders {
var v int8
ReadBinary(r, &v, schemapb.DataType_Int8)
ret = append(ret, v)
}
return ret
}
func readInt16Array(blobReaders []io.Reader) []int16 {
ret := make([]int16, 0)
for _, r := range blobReaders {
var v int16
ReadBinary(r, &v, schemapb.DataType_Int16)
ret = append(ret, v)
}
return ret
}
func readInt32Array(blobReaders []io.Reader) []int32 {
ret := make([]int32, 0)
for _, r := range blobReaders {
var v int32
ReadBinary(r, &v, schemapb.DataType_Int32)
ret = append(ret, v)
}
return ret
}
func readInt64Array(blobReaders []io.Reader) []int64 {
ret := make([]int64, 0)
for _, r := range blobReaders {
var v int64
ReadBinary(r, &v, schemapb.DataType_Int64)
ret = append(ret, v)
}
return ret
}
func readFloatArray(blobReaders []io.Reader) []float32 {
ret := make([]float32, 0)
for _, r := range blobReaders {
var v float32
ReadBinary(r, &v, schemapb.DataType_Float)
ret = append(ret, v)
}
return ret
}
func readDoubleArray(blobReaders []io.Reader) []float64 {
ret := make([]float64, 0)
for _, r := range blobReaders {
var v float64
ReadBinary(r, &v, schemapb.DataType_Double)
ret = append(ret, v)
}
return ret
}
func RowBasedInsertMsgToInsertData(msg *msgstream.InsertMsg, collSchema *schemapb.CollectionSchema) (idata *InsertData, err error) {
blobReaders := make([]io.Reader, 0)
for _, blob := range msg.RowData {
blobReaders = append(blobReaders, bytes.NewReader(blob.GetValue()))
}
idata = &InsertData{
Data: make(map[FieldID]FieldData),
// TODO: handle Infos.
Infos: nil,
}
for _, field := range collSchema.Fields {
switch field.DataType {
case schemapb.DataType_FloatVector:
dim, err := GetDimFromParams(field.TypeParams)
if err != nil {
log.Error("failed to get dim", zap.Error(err))
return nil, err
}
vecs := readFloatVectors(blobReaders, dim)
idata.Data[field.FieldID] = &FloatVectorFieldData{
Data: vecs,
Dim: dim,
}
case schemapb.DataType_Float16Vector:
dim, err := GetDimFromParams(field.TypeParams)
if err != nil {
log.Error("failed to get dim", zap.Error(err))
return nil, err
}
vecs := readFloat16Vectors(blobReaders, dim)
idata.Data[field.FieldID] = &Float16VectorFieldData{
Data: vecs,
Dim: dim,
}
case schemapb.DataType_BFloat16Vector:
dim, err := GetDimFromParams(field.TypeParams)
if err != nil {
log.Error("failed to get dim", zap.Error(err))
return nil, err
}
vecs := readBFloat16Vectors(blobReaders, dim)
idata.Data[field.FieldID] = &BFloat16VectorFieldData{
Data: vecs,
Dim: dim,
}
case schemapb.DataType_BinaryVector:
var dim int
dim, err := GetDimFromParams(field.TypeParams)
if err != nil {
log.Error("failed to get dim", zap.Error(err))
return nil, err
}
vecs := readBinaryVectors(blobReaders, dim)
idata.Data[field.FieldID] = &BinaryVectorFieldData{
Data: vecs,
Dim: dim,
}
case schemapb.DataType_SparseFloatVector:
return nil, fmt.Errorf("Sparse Float Vector is not supported in row based data")
case schemapb.DataType_Bool:
idata.Data[field.FieldID] = &BoolFieldData{
Data: readBoolArray(blobReaders),
}
case schemapb.DataType_Int8:
idata.Data[field.FieldID] = &Int8FieldData{
Data: readInt8Array(blobReaders),
}
case schemapb.DataType_Int16:
idata.Data[field.FieldID] = &Int16FieldData{
Data: readInt16Array(blobReaders),
}
case schemapb.DataType_Int32:
idata.Data[field.FieldID] = &Int32FieldData{
Data: readInt32Array(blobReaders),
}
case schemapb.DataType_Int64:
idata.Data[field.FieldID] = &Int64FieldData{
Data: nil,
}
fieldData := idata.Data[field.FieldID].(*Int64FieldData)
switch field.FieldID {
case 0: // rowIDs
fieldData.Data = append(fieldData.Data, msg.RowIDs...)
case 1: // Timestamps
for _, ts := range msg.Timestamps {
fieldData.Data = append(fieldData.Data, int64(ts))
}
default:
fieldData.Data = readInt64Array(blobReaders)
}
case schemapb.DataType_Float:
idata.Data[field.FieldID] = &FloatFieldData{
Data: readFloatArray(blobReaders),
}
case schemapb.DataType_Double:
idata.Data[field.FieldID] = &DoubleFieldData{
Data: readDoubleArray(blobReaders),
}
}
}
return idata, nil
}
// ColumnBasedInsertMsgToInsertData converts an InsertMsg msg into InsertData based
// on provided CollectionSchema collSchema.
//
// This function checks whether all fields are provided in the collSchema.Fields.
// If any field is missing in the msg, an error will be returned.
//
// This funcion also checks the length of each column. All columns shall have the same length.
// Also, the InsertData.Infos shall have BlobInfo with this length returned.
// When the length is not aligned, an error will be returned.
func ColumnBasedInsertMsgToInsertData(msg *msgstream.InsertMsg, collSchema *schemapb.CollectionSchema) (idata *InsertData, err error) {
srcFields := make(map[FieldID]*schemapb.FieldData)
for _, field := range msg.FieldsData {
srcFields[field.FieldId] = field
}
idata = &InsertData{
Data: make(map[FieldID]FieldData),
}
length := 0
for _, field := range collSchema.Fields {
srcField, ok := srcFields[field.GetFieldID()]
if !ok && field.GetFieldID() >= common.StartOfUserFieldID {
return nil, merr.WrapErrFieldNotFound(field.GetFieldID(), fmt.Sprintf("field %s not found when converting insert msg to insert data", field.GetName()))
}
var fieldData FieldData
switch field.DataType {
case schemapb.DataType_FloatVector:
dim, err := GetDimFromParams(field.TypeParams)
if err != nil {
log.Error("failed to get dim", zap.Error(err))
return nil, err
}
srcData := srcField.GetVectors().GetFloatVector().GetData()
fieldData = &FloatVectorFieldData{
Data: lo.Map(srcData, func(v float32, _ int) float32 { return v }),
Dim: dim,
}
case schemapb.DataType_BinaryVector:
dim, err := GetDimFromParams(field.TypeParams)
if err != nil {
log.Error("failed to get dim", zap.Error(err))
return nil, err
}
srcData := srcField.GetVectors().GetBinaryVector()
fieldData = &BinaryVectorFieldData{
Data: lo.Map(srcData, func(v byte, _ int) byte { return v }),
Dim: dim,
}
case schemapb.DataType_Float16Vector:
dim, err := GetDimFromParams(field.TypeParams)
if err != nil {
log.Error("failed to get dim", zap.Error(err))
return nil, err
}
srcData := srcField.GetVectors().GetFloat16Vector()
fieldData = &Float16VectorFieldData{
Data: lo.Map(srcData, func(v byte, _ int) byte { return v }),
Dim: dim,
}
case schemapb.DataType_BFloat16Vector:
dim, err := GetDimFromParams(field.TypeParams)
if err != nil {
log.Error("failed to get dim", zap.Error(err))
return nil, err
}
srcData := srcField.GetVectors().GetBfloat16Vector()
fieldData = &BFloat16VectorFieldData{
Data: lo.Map(srcData, func(v byte, _ int) byte { return v }),
Dim: dim,
}
case schemapb.DataType_SparseFloatVector:
fieldData = &SparseFloatVectorFieldData{
SparseFloatArray: *srcFields[field.FieldID].GetVectors().GetSparseFloatVector(),
}
case schemapb.DataType_Bool:
srcData := srcField.GetScalars().GetBoolData().GetData()
fieldData = &BoolFieldData{
Data: lo.Map(srcData, func(v bool, _ int) bool { return v }),
}
case schemapb.DataType_Int8:
srcData := srcField.GetScalars().GetIntData().GetData()
fieldData = &Int8FieldData{
Data: lo.Map(srcData, func(v int32, _ int) int8 { return int8(v) }),
}
case schemapb.DataType_Int16:
srcData := srcField.GetScalars().GetIntData().GetData()
fieldData = &Int16FieldData{
Data: lo.Map(srcData, func(v int32, _ int) int16 { return int16(v) }),
}
case schemapb.DataType_Int32:
srcData := srcField.GetScalars().GetIntData().GetData()
fieldData = &Int32FieldData{
Data: lo.Map(srcData, func(v int32, _ int) int32 { return v }),
}
case schemapb.DataType_Int64:
switch field.FieldID {
case common.RowIDField: // rowIDs
fieldData = &Int64FieldData{
Data: lo.Map(msg.GetRowIDs(), func(v int64, _ int) int64 { return v }),
}
case common.TimeStampField: // Timestamps
fieldData = &Int64FieldData{
Data: lo.Map(msg.GetTimestamps(), func(v uint64, _ int) int64 { return int64(v) }),
}
default:
srcData := srcField.GetScalars().GetLongData().GetData()
fieldData = &Int64FieldData{
Data: lo.Map(srcData, func(v int64, _ int) int64 { return v }),
}
}
case schemapb.DataType_Float:
srcData := srcField.GetScalars().GetFloatData().GetData()
fieldData = &FloatFieldData{
Data: lo.Map(srcData, func(v float32, _ int) float32 { return v }),
}
case schemapb.DataType_Double:
srcData := srcField.GetScalars().GetDoubleData().GetData()
fieldData = &DoubleFieldData{
Data: lo.Map(srcData, func(v float64, _ int) float64 { return v }),
}
case schemapb.DataType_String, schemapb.DataType_VarChar:
srcData := srcField.GetScalars().GetStringData().GetData()
fieldData = &StringFieldData{
Data: lo.Map(srcData, func(v string, _ int) string { return v }),
}
case schemapb.DataType_Array:
srcData := srcField.GetScalars().GetArrayData().GetData()
fieldData = &ArrayFieldData{
ElementType: field.GetElementType(),
Data: lo.Map(srcData, func(v *schemapb.ScalarField, _ int) *schemapb.ScalarField { return v }),
}
case schemapb.DataType_JSON:
srcData := srcField.GetScalars().GetJsonData().GetData()
fieldData = &JSONFieldData{
Data: lo.Map(srcData, func(v []byte, _ int) []byte { return v }),
}
default:
return nil, merr.WrapErrServiceInternal("data type not handled", field.GetDataType().String())
}
if length == 0 {
length = fieldData.RowNum()
}
if fieldData.RowNum() != length {
return nil, merr.WrapErrServiceInternal("row num not match", fmt.Sprintf("field %s row num not match %d, other column %d", field.GetName(), fieldData.RowNum(), length))
}
idata.Data[field.FieldID] = fieldData
}
idata.Infos = []BlobInfo{
{Length: length},
}
return idata, nil
}
func InsertMsgToInsertData(msg *msgstream.InsertMsg, schema *schemapb.CollectionSchema) (idata *InsertData, err error) {
if msg.IsRowBased() {
return RowBasedInsertMsgToInsertData(msg, schema)
}
return ColumnBasedInsertMsgToInsertData(msg, schema)
}
func mergeBoolField(data *InsertData, fid FieldID, field *BoolFieldData) {
if _, ok := data.Data[fid]; !ok {
fieldData := &BoolFieldData{
Data: nil,
}
data.Data[fid] = fieldData
}
fieldData := data.Data[fid].(*BoolFieldData)
fieldData.Data = append(fieldData.Data, field.Data...)
}
func mergeInt8Field(data *InsertData, fid FieldID, field *Int8FieldData) {
if _, ok := data.Data[fid]; !ok {
fieldData := &Int8FieldData{
Data: nil,
}
data.Data[fid] = fieldData
}
fieldData := data.Data[fid].(*Int8FieldData)
fieldData.Data = append(fieldData.Data, field.Data...)
}
func mergeInt16Field(data *InsertData, fid FieldID, field *Int16FieldData) {
if _, ok := data.Data[fid]; !ok {
fieldData := &Int16FieldData{
Data: nil,
}
data.Data[fid] = fieldData
}
fieldData := data.Data[fid].(*Int16FieldData)
fieldData.Data = append(fieldData.Data, field.Data...)
}
func mergeInt32Field(data *InsertData, fid FieldID, field *Int32FieldData) {
if _, ok := data.Data[fid]; !ok {
fieldData := &Int32FieldData{
Data: nil,
}
data.Data[fid] = fieldData
}
fieldData := data.Data[fid].(*Int32FieldData)
fieldData.Data = append(fieldData.Data, field.Data...)
}
func mergeInt64Field(data *InsertData, fid FieldID, field *Int64FieldData) {
if _, ok := data.Data[fid]; !ok {
fieldData := &Int64FieldData{
Data: nil,
}
data.Data[fid] = fieldData
}
fieldData := data.Data[fid].(*Int64FieldData)
fieldData.Data = append(fieldData.Data, field.Data...)
}
func mergeFloatField(data *InsertData, fid FieldID, field *FloatFieldData) {
if _, ok := data.Data[fid]; !ok {
fieldData := &FloatFieldData{
Data: nil,
}
data.Data[fid] = fieldData
}
fieldData := data.Data[fid].(*FloatFieldData)
fieldData.Data = append(fieldData.Data, field.Data...)
}
func mergeDoubleField(data *InsertData, fid FieldID, field *DoubleFieldData) {
if _, ok := data.Data[fid]; !ok {
fieldData := &DoubleFieldData{
Data: nil,
}
data.Data[fid] = fieldData
}
fieldData := data.Data[fid].(*DoubleFieldData)
fieldData.Data = append(fieldData.Data, field.Data...)
}
func mergeStringField(data *InsertData, fid FieldID, field *StringFieldData) {
if _, ok := data.Data[fid]; !ok {
fieldData := &StringFieldData{
Data: nil,
}
data.Data[fid] = fieldData
}
fieldData := data.Data[fid].(*StringFieldData)
fieldData.Data = append(fieldData.Data, field.Data...)
}
func mergeArrayField(data *InsertData, fid FieldID, field *ArrayFieldData) {
if _, ok := data.Data[fid]; !ok {
fieldData := &ArrayFieldData{
ElementType: field.ElementType,
Data: nil,
}
data.Data[fid] = fieldData
}
fieldData := data.Data[fid].(*ArrayFieldData)
fieldData.Data = append(fieldData.Data, field.Data...)
}
func mergeJSONField(data *InsertData, fid FieldID, field *JSONFieldData) {
if _, ok := data.Data[fid]; !ok {
fieldData := &JSONFieldData{
Data: nil,
}
data.Data[fid] = fieldData
}
fieldData := data.Data[fid].(*JSONFieldData)
fieldData.Data = append(fieldData.Data, field.Data...)
}
func mergeBinaryVectorField(data *InsertData, fid FieldID, field *BinaryVectorFieldData) {
if _, ok := data.Data[fid]; !ok {
fieldData := &BinaryVectorFieldData{
Data: nil,
Dim: field.Dim,
}
data.Data[fid] = fieldData
}
fieldData := data.Data[fid].(*BinaryVectorFieldData)
fieldData.Data = append(fieldData.Data, field.Data...)
}
func mergeFloatVectorField(data *InsertData, fid FieldID, field *FloatVectorFieldData) {
if _, ok := data.Data[fid]; !ok {
fieldData := &FloatVectorFieldData{
Data: nil,
Dim: field.Dim,
}
data.Data[fid] = fieldData
}
fieldData := data.Data[fid].(*FloatVectorFieldData)
fieldData.Data = append(fieldData.Data, field.Data...)
}
func mergeFloat16VectorField(data *InsertData, fid FieldID, field *Float16VectorFieldData) {
if _, ok := data.Data[fid]; !ok {
fieldData := &Float16VectorFieldData{
Data: nil,
Dim: field.Dim,
}
data.Data[fid] = fieldData
}
fieldData := data.Data[fid].(*Float16VectorFieldData)
fieldData.Data = append(fieldData.Data, field.Data...)
}
func mergeBFloat16VectorField(data *InsertData, fid FieldID, field *BFloat16VectorFieldData) {
if _, ok := data.Data[fid]; !ok {
fieldData := &BFloat16VectorFieldData{
Data: nil,
Dim: field.Dim,
}
data.Data[fid] = fieldData
}
fieldData := data.Data[fid].(*BFloat16VectorFieldData)
fieldData.Data = append(fieldData.Data, field.Data...)
}
func mergeSparseFloatVectorField(data *InsertData, fid FieldID, field *SparseFloatVectorFieldData) {
if _, ok := data.Data[fid]; !ok {
data.Data[fid] = &SparseFloatVectorFieldData{}
}
fieldData := data.Data[fid].(*SparseFloatVectorFieldData)
fieldData.AppendAllRows(field)
}
// MergeFieldData merge field into data.
func MergeFieldData(data *InsertData, fid FieldID, field FieldData) {
if field == nil {
return
}
switch field := field.(type) {
case *BoolFieldData:
mergeBoolField(data, fid, field)
case *Int8FieldData:
mergeInt8Field(data, fid, field)
case *Int16FieldData:
mergeInt16Field(data, fid, field)
case *Int32FieldData:
mergeInt32Field(data, fid, field)
case *Int64FieldData:
mergeInt64Field(data, fid, field)
case *FloatFieldData:
mergeFloatField(data, fid, field)
case *DoubleFieldData:
mergeDoubleField(data, fid, field)
case *StringFieldData:
mergeStringField(data, fid, field)
case *ArrayFieldData:
mergeArrayField(data, fid, field)
case *JSONFieldData:
mergeJSONField(data, fid, field)
case *BinaryVectorFieldData:
mergeBinaryVectorField(data, fid, field)
case *FloatVectorFieldData:
mergeFloatVectorField(data, fid, field)
case *Float16VectorFieldData:
mergeFloat16VectorField(data, fid, field)
case *BFloat16VectorFieldData:
mergeBFloat16VectorField(data, fid, field)
case *SparseFloatVectorFieldData:
mergeSparseFloatVectorField(data, fid, field)
}
}
// MergeInsertData append the insert datas to the original buffer.
func MergeInsertData(buffer *InsertData, datas ...*InsertData) {
if buffer == nil {
log.Warn("Attempt to merge data into a nil buffer, skip the data merge.")
return
}
for _, data := range datas {
if data != nil {
for fid, field := range data.Data {
MergeFieldData(buffer, fid, field)
}
// TODO: handle storage.InsertData.Infos
buffer.Infos = append(buffer.Infos, data.Infos...)
}
}
}
// TODO: string type.
func GetPkFromInsertData(collSchema *schemapb.CollectionSchema, data *InsertData) (FieldData, error) {
helper, err := typeutil.CreateSchemaHelper(collSchema)
if err != nil {
log.Error("failed to create schema helper", zap.Error(err))
return nil, err
}
pf, err := helper.GetPrimaryKeyField()
if err != nil {
log.Warn("no primary field found", zap.Error(err))
return nil, err
}
pfData, ok := data.Data[pf.FieldID]
if !ok {
log.Warn("no primary field found in insert msg", zap.Int64("fieldID", pf.FieldID))
return nil, errors.New("no primary field found in insert msg")
}
var realPfData FieldData
switch pf.DataType {
case schemapb.DataType_Int64:
realPfData, ok = pfData.(*Int64FieldData)
case schemapb.DataType_VarChar:
realPfData, ok = pfData.(*StringFieldData)
default:
// TODO
}
if !ok {
log.Warn("primary field not in Int64 or VarChar format", zap.Int64("fieldID", pf.FieldID))
return nil, errors.New("primary field not in Int64 or VarChar format")
}
return realPfData, nil
}
// GetTimestampFromInsertData returns the Int64FieldData for timestamp field.
func GetTimestampFromInsertData(data *InsertData) (*Int64FieldData, error) {
if data == nil {
return nil, errors.New("try to get timestamp from nil insert data")
}
fieldData, ok := data.Data[common.TimeStampField]
if !ok {
return nil, errors.New("no timestamp field in insert data")
}
ifd, ok := fieldData.(*Int64FieldData)
if !ok {
return nil, errors.New("timestamp field is not Int64")
}
return ifd, nil
}
func boolFieldDataToPbBytes(field *BoolFieldData) ([]byte, error) {
arr := &schemapb.BoolArray{Data: field.Data}
return proto.Marshal(arr)
}
func stringFieldDataToPbBytes(field *StringFieldData) ([]byte, error) {
arr := &schemapb.StringArray{Data: field.Data}
return proto.Marshal(arr)
}
func arrayFieldDataToPbBytes(field *ArrayFieldData) ([]byte, error) {
arr := &schemapb.ArrayArray{Data: field.Data}
return proto.Marshal(arr)
}
func jsonFieldDataToPbBytes(field *JSONFieldData) ([]byte, error) {
arr := &schemapb.JSONArray{Data: field.Data}
return proto.Marshal(arr)
}
func binaryWrite(endian binary.ByteOrder, data interface{}) ([]byte, error) {
buf := new(bytes.Buffer)
err := binary.Write(buf, endian, data)
if err != nil {
return nil, err
}
return buf.Bytes(), nil
}
// FieldDataToBytes encode field data to byte slice.
// For some fixed-length data, such as int32, int64, float vector, use binary.Write directly.
// For binary vector, return it directly.
// For bool data, first transfer to schemapb.BoolArray and then marshal it. (TODO: handle bool like other scalar data.)
// For variable-length data, such as string, first transfer to schemapb.StringArray and then marshal it.
// TODO: find a proper way to store variable-length data. Or we should unify to use protobuf?
func FieldDataToBytes(endian binary.ByteOrder, fieldData FieldData) ([]byte, error) {
switch field := fieldData.(type) {
case *BoolFieldData:
// return binaryWrite(endian, field.Data)
return boolFieldDataToPbBytes(field)
case *StringFieldData:
return stringFieldDataToPbBytes(field)
case *ArrayFieldData:
return arrayFieldDataToPbBytes(field)
case *JSONFieldData: