mirror of https://github.com/milvus-io/milvus.git
77 lines
2.0 KiB
Go
77 lines
2.0 KiB
Go
// Licensed to the LF AI & Data foundation under one
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// or more contributor license agreements. See the NOTICE file
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// distributed with this work for additional information
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// regarding copyright ownership. The ASF licenses this file
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// to you under the Apache License, Version 2.0 (the
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// "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
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package index
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import "strconv"
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const (
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scannNlistKey = `nlist`
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scannWithRawDataKey = `with_raw_data`
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scannNProbeKey = `nprobe`
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scannReorderKKey = `reorder_k`
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)
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type scannIndex struct {
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baseIndex
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nlist int
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withRawData bool
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}
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func (idx scannIndex) Params() map[string]string {
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return map[string]string{
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MetricTypeKey: string(idx.metricType),
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IndexTypeKey: string(SCANN),
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scannNlistKey: strconv.Itoa(idx.nlist),
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scannWithRawDataKey: strconv.FormatBool(idx.withRawData),
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}
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}
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func NewSCANNIndex(metricType MetricType, nlist int, withRawData bool) Index {
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return scannIndex{
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baseIndex: baseIndex{
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metricType: metricType,
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indexType: SCANN,
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},
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nlist: nlist,
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withRawData: withRawData,
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}
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}
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type scannAnnParam struct {
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baseAnnParam
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nprobe int
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reorderK int
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}
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func NewSCANNAnnParam(nprobe int, reorderK int) scannAnnParam {
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return scannAnnParam{
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baseAnnParam: baseAnnParam{
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params: make(map[string]any),
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},
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nprobe: nprobe,
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reorderK: reorderK,
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}
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}
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func (ap scannAnnParam) Params() map[string]any {
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result := ap.baseAnnParam.params
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result[scannNProbeKey] = ap.nprobe
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result[scannReorderKKey] = ap.reorderK
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return result
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}
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