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storage.go
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storage.go
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package typeutil
import (
"fmt"
"math"
"path"
"github.com/apache/arrow/go/v12/arrow/array"
"github.com/golang/protobuf/proto"
"github.com/milvus-io/milvus-proto/go-api/v2/schemapb"
"github.com/milvus-io/milvus/internal/storage"
"github.com/milvus-io/milvus/pkg/common"
"github.com/milvus-io/milvus/pkg/log"
"github.com/milvus-io/milvus/pkg/util/merr"
"github.com/milvus-io/milvus/pkg/util/paramtable"
)
func GetStorageURI(protocol, pathPrefix string, segmentID int64) (string, error) {
switch protocol {
case "s3":
var scheme string
if paramtable.Get().MinioCfg.UseSSL.GetAsBool() {
scheme = "https"
} else {
scheme = "http"
}
if pathPrefix != "" {
cleanPath := path.Clean(pathPrefix)
return fmt.Sprintf("s3://%s:%s@%s/%s/%d?scheme=%s&endpoint_override=%s&allow_bucket_creation=true", paramtable.Get().MinioCfg.AccessKeyID.GetValue(), paramtable.Get().MinioCfg.SecretAccessKey.GetValue(), paramtable.Get().MinioCfg.BucketName.GetValue(), cleanPath, segmentID, scheme, paramtable.Get().MinioCfg.Address.GetValue()), nil
} else {
return fmt.Sprintf("s3://%s:%s@%s/%d?scheme=%s&endpoint_override=%s&allow_bucket_creation=true", paramtable.Get().MinioCfg.AccessKeyID.GetValue(), paramtable.Get().MinioCfg.SecretAccessKey.GetValue(), paramtable.Get().MinioCfg.BucketName.GetValue(), segmentID, scheme, paramtable.Get().MinioCfg.Address.GetValue()), nil
}
case "file":
if pathPrefix != "" {
cleanPath := path.Clean(pathPrefix)
return fmt.Sprintf("file://%s/%d", cleanPath, segmentID), nil
} else {
return fmt.Sprintf("file://%d", segmentID), nil
}
default:
return "", merr.WrapErrParameterInvalidMsg("unsupported schema %s", protocol)
}
}
func BuildRecord(b *array.RecordBuilder, data *storage.InsertData, fields []*schemapb.FieldSchema) error {
if data == nil {
log.Info("no buffer data to flush")
return nil
}
for i, field := range fields {
fBuilder := b.Field(i)
switch field.DataType {
case schemapb.DataType_Bool:
fBuilder.(*array.BooleanBuilder).AppendValues(data.Data[field.FieldID].(*storage.BoolFieldData).Data, nil)
case schemapb.DataType_Int8:
fBuilder.(*array.Int8Builder).AppendValues(data.Data[field.FieldID].(*storage.Int8FieldData).Data, nil)
case schemapb.DataType_Int16:
fBuilder.(*array.Int16Builder).AppendValues(data.Data[field.FieldID].(*storage.Int16FieldData).Data, nil)
case schemapb.DataType_Int32:
fBuilder.(*array.Int32Builder).AppendValues(data.Data[field.FieldID].(*storage.Int32FieldData).Data, nil)
case schemapb.DataType_Int64:
fBuilder.(*array.Int64Builder).AppendValues(data.Data[field.FieldID].(*storage.Int64FieldData).Data, nil)
case schemapb.DataType_Float:
fBuilder.(*array.Float32Builder).AppendValues(data.Data[field.FieldID].(*storage.FloatFieldData).Data, nil)
case schemapb.DataType_Double:
fBuilder.(*array.Float64Builder).AppendValues(data.Data[field.FieldID].(*storage.DoubleFieldData).Data, nil)
case schemapb.DataType_VarChar, schemapb.DataType_String:
fBuilder.(*array.StringBuilder).AppendValues(data.Data[field.FieldID].(*storage.StringFieldData).Data, nil)
case schemapb.DataType_Array:
for _, data := range data.Data[field.FieldID].(*storage.ArrayFieldData).Data {
marsheled, err := proto.Marshal(data)
if err != nil {
return err
}
fBuilder.(*array.BinaryBuilder).Append(marsheled)
}
case schemapb.DataType_JSON:
fBuilder.(*array.BinaryBuilder).AppendValues(data.Data[field.FieldID].(*storage.JSONFieldData).Data, nil)
case schemapb.DataType_BinaryVector:
vecData := data.Data[field.FieldID].(*storage.BinaryVectorFieldData)
for i := 0; i < len(vecData.Data); i += vecData.Dim / 8 {
fBuilder.(*array.FixedSizeBinaryBuilder).Append(vecData.Data[i : i+vecData.Dim/8])
}
case schemapb.DataType_FloatVector:
vecData := data.Data[field.FieldID].(*storage.FloatVectorFieldData)
builder := fBuilder.(*array.FixedSizeBinaryBuilder)
dim := vecData.Dim
data := vecData.Data
byteLength := dim * 4
length := len(data) / dim
builder.Reserve(length)
bytesData := make([]byte, byteLength)
for i := 0; i < length; i++ {
vec := data[i*dim : (i+1)*dim]
for j := range vec {
bytes := math.Float32bits(vec[j])
common.Endian.PutUint32(bytesData[j*4:], bytes)
}
builder.Append(bytesData)
}
case schemapb.DataType_Float16Vector:
vecData := data.Data[field.FieldID].(*storage.Float16VectorFieldData)
builder := fBuilder.(*array.FixedSizeBinaryBuilder)
dim := vecData.Dim
data := vecData.Data
byteLength := dim * 2
length := len(data) / byteLength
builder.Reserve(length)
for i := 0; i < length; i++ {
builder.Append(data[i*byteLength : (i+1)*byteLength])
}
case schemapb.DataType_BFloat16Vector:
vecData := data.Data[field.FieldID].(*storage.BFloat16VectorFieldData)
builder := fBuilder.(*array.FixedSizeBinaryBuilder)
dim := vecData.Dim
data := vecData.Data
byteLength := dim * 2
length := len(data) / byteLength
builder.Reserve(length)
for i := 0; i < length; i++ {
builder.Append(data[i*byteLength : (i+1)*byteLength])
}
default:
return merr.WrapErrParameterInvalidMsg("unknown type %v", field.DataType.String())
}
}
return nil
}