118 lines
2.6 KiB
Go
118 lines
2.6 KiB
Go
// Copyright © 2016 Couchbase, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// 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 cmd
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import (
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"bufio"
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"encoding/json"
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"fmt"
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"math/rand"
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"os"
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"github.com/spf13/cobra"
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)
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var batchSize int
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// bulkCmd represents the bulk command
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var bulkCmd = &cobra.Command{
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Use: "bulk [index path] [data paths ...]",
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Short: "bulk loads from newline delimited JSON files",
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Long: `The bulk command will perform batch loading of documents in one or more newline delimited JSON files.`,
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Annotations: map[string]string{
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canMutateBleveIndex: "true",
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},
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RunE: func(cmd *cobra.Command, args []string) error {
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if len(args) < 2 {
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return fmt.Errorf("must specify at least one path")
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}
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i := 0
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batch := idx.NewBatch()
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for _, file := range args[1:] {
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file, err := os.Open(file)
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if err != nil {
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return err
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}
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fmt.Printf("Indexing: %s\n", file.Name())
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r := bufio.NewReader(file)
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for {
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if i%batchSize == 0 {
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fmt.Printf("Indexing batch (%d docs)...\n", i)
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err := idx.Batch(batch)
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if err != nil {
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return err
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}
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batch = idx.NewBatch()
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}
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b, _ := r.ReadBytes('\n')
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if len(b) == 0 {
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break
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}
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var doc interface{}
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doc = b
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var err error
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if parseJSON {
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err = json.Unmarshal(b, &doc)
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if err != nil {
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return fmt.Errorf("error parsing JSON: %v", err)
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}
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}
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docID := randomString(5)
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err = batch.Index(docID, doc)
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if err != nil {
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return err
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}
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i++
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}
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err = idx.Batch(batch)
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if err != nil {
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return err
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}
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err = file.Close()
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if err != nil {
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return err
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}
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}
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return nil
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},
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}
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var letters = []rune("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ")
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func randomString(n int) string {
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b := make([]rune, n)
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for i := range b {
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b[i] = letters[rand.Intn(len(letters))]
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}
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return string(b)
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}
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func init() {
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RootCmd.AddCommand(bulkCmd)
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bulkCmd.Flags().IntVarP(&batchSize, "batch", "b", 1000, "Batch size for loading, default 1000.")
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bulkCmd.Flags().BoolVarP(&parseJSON, "json", "j", true, "Parse the contents as JSON, defaults true.")
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}
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