milvus/tests/integration/util_index.go
yihao.dai 092d743917
Add support for getting vectors by ids (#23450)
Signed-off-by: bigsheeper <yihao.dai@zilliz.com>
2023-04-23 09:00:32 +08:00

109 lines
3.2 KiB
Go

// 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 integration
import (
"fmt"
"strconv"
"github.com/milvus-io/milvus-proto/go-api/commonpb"
"github.com/milvus-io/milvus/pkg/common"
"github.com/milvus-io/milvus/pkg/util/indexparamcheck"
)
const (
IndexRaftIvfFlat = indexparamcheck.IndexRaftIvfFlat
IndexRaftIvfPQ = indexparamcheck.IndexRaftIvfPQ
IndexFaissIDMap = indexparamcheck.IndexFaissIDMap
IndexFaissIvfFlat = indexparamcheck.IndexFaissIvfFlat
IndexFaissIvfPQ = indexparamcheck.IndexFaissIvfPQ
IndexFaissIvfSQ8 = indexparamcheck.IndexFaissIvfSQ8
IndexFaissBinIDMap = indexparamcheck.IndexFaissBinIDMap
IndexFaissBinIvfFlat = indexparamcheck.IndexFaissBinIvfFlat
IndexHNSW = indexparamcheck.IndexHNSW
IndexDISKANN = indexparamcheck.IndexDISKANN
)
func constructIndexParam(dim int, indexType string, metricType string) []*commonpb.KeyValuePair {
params := []*commonpb.KeyValuePair{
{
Key: common.DimKey,
Value: strconv.Itoa(dim),
},
{
Key: common.MetricTypeKey,
Value: metricType,
},
{
Key: common.IndexTypeKey,
Value: indexType,
},
}
switch indexType {
case IndexFaissIDMap, IndexFaissBinIDMap:
// no index param is required
case IndexFaissIvfFlat, IndexFaissBinIvfFlat, IndexFaissIvfSQ8:
params = append(params, &commonpb.KeyValuePair{
Key: "nlist",
Value: "100",
})
case IndexFaissIvfPQ:
params = append(params, &commonpb.KeyValuePair{
Key: "nlist",
Value: "100",
})
params = append(params, &commonpb.KeyValuePair{
Key: "m",
Value: "16",
})
params = append(params, &commonpb.KeyValuePair{
Key: "nbits",
Value: "8",
})
case IndexHNSW:
params = append(params, &commonpb.KeyValuePair{
Key: "M",
Value: "16",
})
params = append(params, &commonpb.KeyValuePair{
Key: "efConstruction",
Value: "200",
})
case IndexDISKANN:
default:
panic(fmt.Sprintf("unimplemented index param for %s, please help to improve it", indexType))
}
return params
}
func getSearchParams(indexType string, metricType string) map[string]any {
params := make(map[string]any)
switch indexType {
case IndexFaissIDMap, IndexFaissBinIDMap:
params["metric_type"] = metricType
case IndexFaissIvfFlat, IndexFaissBinIvfFlat, IndexFaissIvfSQ8, IndexFaissIvfPQ:
params["nprobe"] = 8
case IndexHNSW:
params["ef"] = 200
case IndexDISKANN:
params["search_list"] = 5
default:
panic(fmt.Sprintf("unimplemented search param for %s, please help to improve it", indexType))
}
return params
}