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fields.go
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fields.go
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// Copyright (c) 2017 Couchbase, Inc.
//
// Licensed 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 cmd
import (
"fmt"
zap "github.com/blevesearch/zapx/v16"
"github.com/spf13/cobra"
)
// fieldsCmd represents the fields command
var fieldsCmd = &cobra.Command{
Use: "fields [path]",
Short: "fields prints the fields in the specified file",
Long: `The fields command lets you print the fields in the specified file.`,
RunE: func(cmd *cobra.Command, args []string) error {
if len(args) < 1 {
return fmt.Errorf("must specify index file path")
}
data := segment.Data()
pos := segment.FieldsIndexOffset()
if pos == 0 {
// this is the case only for older file formats
return fmt.Errorf("file format not supported")
}
fieldInv, fieldSectionMap, err := getSectionFields(data, pos)
if err != nil {
return fmt.Errorf("error while getting the sections and field info %v", err)
}
for fieldID, field := range fieldInv {
for sectionType, sectionAddr := range fieldSectionMap[fieldID] {
if sectionAddr > 0 {
switch sectionType {
case zap.SectionInvertedTextIndex:
fmt.Printf("field %d '%s' text index starts at %d (%x)\n", fieldID, field, sectionAddr, sectionAddr)
case zap.SectionFaissVectorIndex:
fmt.Printf("field %d '%s' vector index starts at %d (%x)\n", fieldID, field, sectionAddr, sectionAddr)
}
}
}
}
return nil
},
}
func init() {
RootCmd.AddCommand(fieldsCmd)
}