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chore: import upstream snapshot with attribution
2026-07-13 12:31:17 +08:00

56 lines
1.6 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 row
import (
"go/ast"
"reflect"
)
// ReceiverCandidate is the struct stores the information needed for
// receiver setting when unmarshalling dataset to user defined struct
type ReceiverCandidate struct {
name2Index map[string]int
}
func (rc *ReceiverCandidate) Name2FieldIndex(fieldName string) (int, bool) {
// lock not needed, read ops only
index, ok := rc.name2Index[fieldName]
return index, ok
}
func parseCandidate(dataType reflect.Type) map[string]int {
result := make(map[string]int)
for i := 0; i < dataType.NumField(); i++ {
f := dataType.Field(i)
// ignore anonymous field for now
if f.Anonymous || !ast.IsExported(f.Name) {
continue
}
name := f.Name
tag := f.Tag.Get(MilvusTag)
tagSettings := ParseTagSetting(tag, MilvusTagSep)
if tagName, has := tagSettings[MilvusTagName]; has {
name = tagName
}
result[name] = i
}
return result
}