Merge pull request #124 from miku/bleve_bulkindex
adding bleve_bulkindex utility
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commit
d673f3404d
91
utils/bleve_bulkindex/main.go
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91
utils/bleve_bulkindex/main.go
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// Copyright (c) 2014 Couchbase, Inc.
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// Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file
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// except in compliance with the License. You may obtain a copy of the License at
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// http://www.apache.org/licenses/LICENSE-2.0
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// Unless required by applicable law or agreed to in writing, software distributed under the
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// License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
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// either express or implied. See the License for the specific language governing permissions
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// and limitations under the License.
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package main
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import (
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"bufio"
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"flag"
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"log"
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"math/rand"
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"os"
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"github.com/blevesearch/bleve"
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)
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var indexPath = flag.String("index", "", "index path")
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var batchSize = flag.Int("size", 1000, "size of a single batch to index")
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func main() {
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flag.Parse()
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if *indexPath == "" {
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log.Fatal("must specify index path")
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}
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// open the index
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index, err := bleve.Open(*indexPath)
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if err != nil {
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log.Fatal(err)
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}
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defer index.Close()
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if flag.NArg() < 1 {
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log.Fatal("must specify at least one path to index")
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}
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i := 0
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batch := bleve.NewBatch()
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for _, file := range flag.Args() {
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file, err := os.Open(file)
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defer file.Close()
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if err != nil {
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log.Fatal(err)
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}
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log.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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log.Printf("Indexing batch (%d docs)...\n", i)
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err := index.Batch(batch)
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if err != nil {
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log.Fatal(err)
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}
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batch = bleve.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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docID := randomString(5)
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batch.Index(docID, b)
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i++
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}
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err = index.Batch(batch)
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if err != nil {
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log.Fatal(err)
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}
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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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