mirror of
https://gitee.com/milvus-io/milvus.git
synced 2024-12-01 11:29:48 +08:00
115 lines
3.4 KiB
Go
115 lines
3.4 KiB
Go
// Copyright (C) 2019-2020 Zilliz. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance
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// with the License. You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software distributed under the License
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// is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
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// or implied. See the License for the specific language governing permissions and limitations under the License.
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package storage
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import (
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"github.com/milvus-io/milvus/internal/proto/schemapb"
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"github.com/milvus-io/milvus/internal/rootcoord"
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)
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// DataSorter sorts insert data
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type DataSorter struct {
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InsertCodec *InsertCodec
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InsertData *InsertData
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}
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// getRowIDFieldData returns auto generated row id Field
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func (ds *DataSorter) getRowIDFieldData() FieldData {
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if data, ok := ds.InsertData.Data[rootcoord.RowIDField]; ok {
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return data
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}
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return nil
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}
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// Len returns length of the insert data
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func (ds *DataSorter) Len() int {
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idField := ds.getRowIDFieldData()
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if idField == nil {
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return 0
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}
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fieldData, ok := idField.(*Int64FieldData)
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if !ok {
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return 0
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}
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return len(fieldData.Data)
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}
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// Swap swaps each field's i-th and j-th element
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func (ds *DataSorter) Swap(i, j int) {
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for _, field := range ds.InsertCodec.Schema.Schema.Fields {
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singleData, has := ds.InsertData.Data[field.FieldID]
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if !has {
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continue
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}
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switch field.DataType {
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case schemapb.DataType_Bool:
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data := singleData.(*BoolFieldData).Data
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data[i], data[j] = data[j], data[i]
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case schemapb.DataType_Int8:
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data := singleData.(*Int8FieldData).Data
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data[i], data[j] = data[j], data[i]
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case schemapb.DataType_Int16:
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data := singleData.(*Int16FieldData).Data
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data[i], data[j] = data[j], data[i]
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case schemapb.DataType_Int32:
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data := singleData.(*Int32FieldData).Data
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data[i], data[j] = data[j], data[i]
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case schemapb.DataType_Int64:
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data := singleData.(*Int64FieldData).Data
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data[i], data[j] = data[j], data[i]
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case schemapb.DataType_Float:
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data := singleData.(*FloatFieldData).Data
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data[i], data[j] = data[j], data[i]
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case schemapb.DataType_Double:
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data := singleData.(*DoubleFieldData).Data
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data[i], data[j] = data[j], data[i]
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case schemapb.DataType_String:
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data := singleData.(*StringFieldData).Data
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data[i], data[j] = data[j], data[i]
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case schemapb.DataType_BinaryVector:
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data := singleData.(*BinaryVectorFieldData).Data
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dim := singleData.(*BinaryVectorFieldData).Dim
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for i := 0; i < dim/8; i++ {
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data[i], data[i+dim/8] = data[i+dim/8], data[i]
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}
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case schemapb.DataType_FloatVector:
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data := singleData.(*FloatVectorFieldData).Data
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dim := singleData.(*FloatVectorFieldData).Dim
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for i := 0; i < dim; i++ {
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data[i], data[i+dim] = data[i+dim], data[i]
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}
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default:
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errMsg := "undefined data type " + string(field.DataType)
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panic(errMsg)
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}
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}
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}
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// Less returns whether i-th entry is less than j-th entry, using ID field comparison result
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func (ds *DataSorter) Less(i, j int) bool {
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idField := ds.getRowIDFieldData()
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if idField == nil {
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return true // to skip swap
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}
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data, ok := idField.(*Int64FieldData)
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if !ok || data.Data == nil {
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return true // to skip swap
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}
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l := len(data.Data)
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// i,j range check
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if i < 0 || i >= l || j < 0 || j > l {
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return true // to skip swap
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}
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ids := data.Data
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return ids[i] < ids[j]
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}
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