1529 lines
36 KiB
Go
1529 lines
36 KiB
Go
// Copyright (c) 2014 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 upsidedown
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import (
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"context"
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"log"
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"reflect"
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"regexp"
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"strconv"
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"strings"
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"sync"
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"testing"
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"time"
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"github.com/blevesearch/bleve/v2/analysis"
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"github.com/blevesearch/bleve/v2/analysis/analyzer/standard"
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regexpTokenizer "github.com/blevesearch/bleve/v2/analysis/tokenizer/regexp"
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"github.com/blevesearch/bleve/v2/document"
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"github.com/blevesearch/bleve/v2/index/upsidedown/store/boltdb"
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"github.com/blevesearch/bleve/v2/index/upsidedown/store/null"
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"github.com/blevesearch/bleve/v2/registry"
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index "github.com/blevesearch/bleve_index_api"
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)
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var testAnalyzer = &analysis.DefaultAnalyzer{
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Tokenizer: regexpTokenizer.NewRegexpTokenizer(regexp.MustCompile(`\w+`)),
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}
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func TestIndexOpenReopen(t *testing.T) {
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defer func() {
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err := DestroyTest()
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if err != nil {
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t.Fatal(err)
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}
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}()
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analysisQueue := index.NewAnalysisQueue(1)
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idx, err := NewUpsideDownCouch(boltdb.Name, boltTestConfig, analysisQueue)
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if err != nil {
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t.Fatal(err)
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}
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err = idx.Open()
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if err != nil {
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t.Errorf("error opening index: %v", err)
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}
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var expectedCount uint64
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reader, err := idx.Reader()
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if err != nil {
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t.Fatal(err)
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}
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docCount, err := reader.DocCount()
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if err != nil {
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t.Error(err)
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}
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if docCount != expectedCount {
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t.Errorf("Expected document count to be %d got %d", expectedCount, docCount)
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}
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err = reader.Close()
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if err != nil {
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t.Fatal(err)
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}
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// opening the database should have inserted a version
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expectedLength := uint64(1)
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rowCount, err := idx.(*UpsideDownCouch).rowCount()
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if err != nil {
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t.Error(err)
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}
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if rowCount != expectedLength {
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t.Errorf("expected %d rows, got: %d", expectedLength, rowCount)
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}
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// now close it
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err = idx.Close()
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if err != nil {
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t.Fatal(err)
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}
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idx, err = NewUpsideDownCouch(boltdb.Name, boltTestConfig, analysisQueue)
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if err != nil {
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t.Fatal(err)
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}
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err = idx.Open()
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if err != nil {
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t.Errorf("error opening index: %v", err)
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}
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// now close it
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err = idx.Close()
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if err != nil {
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t.Fatal(err)
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}
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}
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func TestIndexInsert(t *testing.T) {
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defer func() {
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err := DestroyTest()
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if err != nil {
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t.Fatal(err)
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}
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}()
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analysisQueue := index.NewAnalysisQueue(1)
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idx, err := NewUpsideDownCouch(boltdb.Name, boltTestConfig, analysisQueue)
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if err != nil {
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t.Fatal(err)
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}
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err = idx.Open()
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if err != nil {
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t.Errorf("error opening index: %v", err)
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}
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defer func() {
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err := idx.Close()
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if err != nil {
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t.Fatal(err)
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}
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}()
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var expectedCount uint64
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reader, err := idx.Reader()
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if err != nil {
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t.Fatal(err)
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}
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docCount, err := reader.DocCount()
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if err != nil {
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t.Error(err)
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}
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if docCount != expectedCount {
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t.Errorf("Expected document count to be %d got %d", expectedCount, docCount)
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}
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err = reader.Close()
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if err != nil {
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t.Fatal(err)
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}
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doc := document.NewDocument("1")
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doc.AddField(document.NewTextField("name", []uint64{}, []byte("test")))
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err = idx.Update(doc)
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if err != nil {
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t.Errorf("Error updating index: %v", err)
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}
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expectedCount++
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reader, err = idx.Reader()
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if err != nil {
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t.Fatal(err)
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}
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docCount, err = reader.DocCount()
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if err != nil {
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t.Error(err)
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}
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if docCount != expectedCount {
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t.Errorf("Expected document count to be %d got %d", expectedCount, docCount)
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}
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err = reader.Close()
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if err != nil {
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t.Fatal(err)
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}
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// should have 4 rows (1 for version, 1 for schema field, and 1 for single term, and 1 for the term count, and 1 for the back index entry)
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expectedLength := uint64(1 + 1 + 1 + 1 + 1)
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rowCount, err := idx.(*UpsideDownCouch).rowCount()
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if err != nil {
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t.Error(err)
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}
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if rowCount != expectedLength {
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t.Errorf("expected %d rows, got: %d", expectedLength, rowCount)
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}
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}
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func TestIndexInsertThenDelete(t *testing.T) {
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defer func() {
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err := DestroyTest()
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if err != nil {
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t.Fatal(err)
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}
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}()
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analysisQueue := index.NewAnalysisQueue(1)
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idx, err := NewUpsideDownCouch(boltdb.Name, boltTestConfig, analysisQueue)
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if err != nil {
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t.Fatal(err)
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}
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err = idx.Open()
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if err != nil {
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t.Errorf("error opening index: %v", err)
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}
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defer func() {
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err := idx.Close()
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if err != nil {
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t.Fatal(err)
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}
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}()
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var expectedCount uint64
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reader, err := idx.Reader()
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if err != nil {
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t.Fatal(err)
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}
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docCount, err := reader.DocCount()
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if err != nil {
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t.Error(err)
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}
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if docCount != expectedCount {
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t.Errorf("Expected document count to be %d got %d", expectedCount, docCount)
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}
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err = reader.Close()
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if err != nil {
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t.Fatal(err)
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}
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doc := document.NewDocument("1")
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doc.AddField(document.NewTextField("name", []uint64{}, []byte("test")))
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err = idx.Update(doc)
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if err != nil {
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t.Errorf("Error updating index: %v", err)
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}
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expectedCount++
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doc2 := document.NewDocument("2")
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doc2.AddField(document.NewTextField("name", []uint64{}, []byte("test")))
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err = idx.Update(doc2)
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if err != nil {
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t.Errorf("Error updating index: %v", err)
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}
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expectedCount++
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reader, err = idx.Reader()
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if err != nil {
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t.Fatal(err)
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}
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docCount, err = reader.DocCount()
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if err != nil {
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t.Error(err)
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}
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if docCount != expectedCount {
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t.Errorf("Expected document count to be %d got %d", expectedCount, docCount)
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}
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err = reader.Close()
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if err != nil {
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t.Fatal(err)
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}
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err = idx.Delete("1")
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if err != nil {
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t.Errorf("Error deleting entry from index: %v", err)
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}
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expectedCount--
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reader, err = idx.Reader()
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if err != nil {
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t.Fatal(err)
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}
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docCount, err = reader.DocCount()
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if err != nil {
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t.Error(err)
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}
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if docCount != expectedCount {
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t.Errorf("Expected document count to be %d got %d", expectedCount, docCount)
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}
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err = reader.Close()
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if err != nil {
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t.Fatal(err)
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}
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err = idx.Delete("2")
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if err != nil {
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t.Errorf("Error deleting entry from index: %v", err)
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}
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expectedCount--
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reader, err = idx.Reader()
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if err != nil {
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t.Fatal(err)
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}
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docCount, err = reader.DocCount()
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if err != nil {
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t.Error(err)
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}
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if docCount != expectedCount {
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t.Errorf("Expected document count to be %d got %d", expectedCount, docCount)
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}
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err = reader.Close()
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if err != nil {
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t.Fatal(err)
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}
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// should have 2 rows (1 for version, 1 for schema field, 1 for dictionary row garbage)
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expectedLength := uint64(1 + 1 + 1)
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rowCount, err := idx.(*UpsideDownCouch).rowCount()
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if err != nil {
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t.Error(err)
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}
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if rowCount != expectedLength {
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t.Errorf("expected %d rows, got: %d", expectedLength, rowCount)
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}
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}
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func TestIndexInsertThenUpdate(t *testing.T) {
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defer func() {
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err := DestroyTest()
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if err != nil {
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t.Fatal(err)
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}
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}()
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analysisQueue := index.NewAnalysisQueue(1)
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idx, err := NewUpsideDownCouch(boltdb.Name, boltTestConfig, analysisQueue)
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if err != nil {
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t.Fatal(err)
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}
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err = idx.Open()
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if err != nil {
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t.Errorf("error opening index: %v", err)
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}
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defer func() {
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err := idx.Close()
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if err != nil {
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t.Fatal(err)
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}
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}()
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doc := document.NewDocument("1")
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doc.AddField(document.NewTextField("name", []uint64{}, []byte("test")))
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err = idx.Update(doc)
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if err != nil {
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t.Errorf("Error updating index: %v", err)
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}
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// this update should overwrite one term, and introduce one new one
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doc = document.NewDocument("1")
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doc.AddField(document.NewTextFieldWithAnalyzer("name", []uint64{}, []byte("test fail"), testAnalyzer))
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err = idx.Update(doc)
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if err != nil {
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t.Errorf("Error deleting entry from index: %v", err)
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}
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// should have 2 rows (1 for version, 1 for schema field, and 2 for the two term, and 2 for the term counts, and 1 for the back index entry)
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expectedLength := uint64(1 + 1 + 2 + 2 + 1)
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rowCount, err := idx.(*UpsideDownCouch).rowCount()
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if err != nil {
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t.Error(err)
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}
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if rowCount != expectedLength {
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t.Errorf("expected %d rows, got: %d", expectedLength, rowCount)
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}
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// now do another update that should remove one of the terms
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doc = document.NewDocument("1")
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doc.AddField(document.NewTextField("name", []uint64{}, []byte("fail")))
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err = idx.Update(doc)
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if err != nil {
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t.Errorf("Error deleting entry from index: %v", err)
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}
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// should have 2 rows (1 for version, 1 for schema field, and 1 for the remaining term, and 2 for the term diciontary, and 1 for the back index entry)
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expectedLength = uint64(1 + 1 + 1 + 2 + 1)
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rowCount, err = idx.(*UpsideDownCouch).rowCount()
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if err != nil {
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t.Error(err)
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}
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if rowCount != expectedLength {
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t.Errorf("expected %d rows, got: %d", expectedLength, rowCount)
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}
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}
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func TestIndexInsertMultiple(t *testing.T) {
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defer func() {
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err := DestroyTest()
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if err != nil {
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t.Fatal(err)
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}
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}()
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analysisQueue := index.NewAnalysisQueue(1)
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idx, err := NewUpsideDownCouch(boltdb.Name, boltTestConfig, analysisQueue)
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if err != nil {
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t.Fatal(err)
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}
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err = idx.Open()
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if err != nil {
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t.Errorf("error opening index: %v", err)
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}
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var expectedCount uint64
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doc := document.NewDocument("1")
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doc.AddField(document.NewTextField("name", []uint64{}, []byte("test")))
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err = idx.Update(doc)
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if err != nil {
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t.Errorf("Error updating index: %v", err)
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}
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expectedCount++
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doc = document.NewDocument("2")
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doc.AddField(document.NewTextField("name", []uint64{}, []byte("test")))
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err = idx.Update(doc)
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if err != nil {
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t.Errorf("Error updating index: %v", err)
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}
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expectedCount++
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// should have 4 rows (1 for version, 1 for schema field, and 2 for single term, and 1 for the term count, and 2 for the back index entries)
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expectedLength := uint64(1 + 1 + 2 + 1 + 2)
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rowCount, err := idx.(*UpsideDownCouch).rowCount()
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if err != nil {
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t.Error(err)
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}
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if rowCount != expectedLength {
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t.Errorf("expected %d rows, got: %d", expectedLength, rowCount)
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}
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// close, reopen and add one more to test that counting works correctly
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err = idx.Close()
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if err != nil {
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t.Fatal(err)
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}
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idx, err = NewUpsideDownCouch(boltdb.Name, boltTestConfig, analysisQueue)
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if err != nil {
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t.Fatal(err)
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}
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err = idx.Open()
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if err != nil {
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t.Fatalf("error opening index: %v", err)
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}
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defer func() {
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err := idx.Close()
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if err != nil {
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t.Fatal(err)
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}
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}()
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doc = document.NewDocument("3")
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doc.AddField(document.NewTextField("name", []uint64{}, []byte("test")))
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err = idx.Update(doc)
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if err != nil {
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t.Errorf("Error updating index: %v", err)
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}
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expectedCount++
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reader, err := idx.Reader()
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if err != nil {
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t.Fatal(err)
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}
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docCount, err := reader.DocCount()
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if err != nil {
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t.Error(err)
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}
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if docCount != expectedCount {
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t.Errorf("Expected document count to be %d got %d", expectedCount, docCount)
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}
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err = reader.Close()
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if err != nil {
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t.Fatal(err)
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}
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}
|
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func TestIndexInsertWithStore(t *testing.T) {
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defer func() {
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err := DestroyTest()
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if err != nil {
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t.Fatal(err)
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}
|
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}()
|
|
|
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analysisQueue := index.NewAnalysisQueue(1)
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idx, err := NewUpsideDownCouch(boltdb.Name, boltTestConfig, analysisQueue)
|
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if err != nil {
|
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t.Fatal(err)
|
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}
|
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err = idx.Open()
|
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if err != nil {
|
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t.Errorf("error opening index: %v", err)
|
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}
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defer func() {
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err := idx.Close()
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if err != nil {
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t.Fatal(err)
|
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}
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}()
|
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|
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var expectedCount uint64
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reader, err := idx.Reader()
|
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if err != nil {
|
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t.Fatal(err)
|
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}
|
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docCount, err := reader.DocCount()
|
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if err != nil {
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t.Error(err)
|
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}
|
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if docCount != expectedCount {
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t.Errorf("Expected document count to be %d got %d", expectedCount, docCount)
|
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}
|
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err = reader.Close()
|
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if err != nil {
|
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t.Fatal(err)
|
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}
|
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|
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doc := document.NewDocument("1")
|
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doc.AddField(document.NewTextFieldWithIndexingOptions("name", []uint64{}, []byte("test"), index.IndexField|index.StoreField))
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err = idx.Update(doc)
|
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if err != nil {
|
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t.Errorf("Error updating index: %v", err)
|
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}
|
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expectedCount++
|
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|
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reader, err = idx.Reader()
|
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if err != nil {
|
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t.Fatal(err)
|
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}
|
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docCount, err = reader.DocCount()
|
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if err != nil {
|
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t.Error(err)
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}
|
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if docCount != expectedCount {
|
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t.Errorf("Expected document count to be %d got %d", expectedCount, docCount)
|
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}
|
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err = reader.Close()
|
|
if err != nil {
|
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t.Fatal(err)
|
|
}
|
|
|
|
// should have 6 rows (1 for version, 1 for schema field, and 1 for single term, and 1 for the stored field and 1 for the term count, and 1 for the back index entry)
|
|
expectedLength := uint64(1 + 1 + 1 + 1 + 1 + 1)
|
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rowCount, err := idx.(*UpsideDownCouch).rowCount()
|
|
if err != nil {
|
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t.Error(err)
|
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}
|
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if rowCount != expectedLength {
|
|
t.Errorf("expected %d rows, got: %d", expectedLength, rowCount)
|
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}
|
|
|
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indexReader, err := idx.Reader()
|
|
if err != nil {
|
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t.Error(err)
|
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}
|
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defer func() {
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err := indexReader.Close()
|
|
if err != nil {
|
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t.Fatal(err)
|
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}
|
|
}()
|
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|
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storedDocInt, err := indexReader.Document("1")
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
storedDoc := storedDocInt.(*document.Document)
|
|
|
|
if len(storedDoc.Fields) != 1 {
|
|
t.Errorf("expected 1 stored field, got %d", len(storedDoc.Fields))
|
|
}
|
|
textField, ok := storedDoc.Fields[0].(*document.TextField)
|
|
if !ok {
|
|
t.Errorf("expected text field")
|
|
}
|
|
if string(textField.Value()) != "test" {
|
|
t.Errorf("expected field content 'test', got '%s'", string(textField.Value()))
|
|
}
|
|
}
|
|
|
|
func TestIndexInternalCRUD(t *testing.T) {
|
|
defer func() {
|
|
err := DestroyTest()
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}()
|
|
|
|
analysisQueue := index.NewAnalysisQueue(1)
|
|
idx, err := NewUpsideDownCouch(boltdb.Name, boltTestConfig, analysisQueue)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
err = idx.Open()
|
|
if err != nil {
|
|
t.Errorf("error opening index: %v", err)
|
|
}
|
|
defer func() {
|
|
err := idx.Close()
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}()
|
|
|
|
indexReader, err := idx.Reader()
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
|
|
// get something that doesn't exist yet
|
|
val, err := indexReader.GetInternal([]byte("key"))
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
if val != nil {
|
|
t.Errorf("expected nil, got %s", val)
|
|
}
|
|
|
|
err = indexReader.Close()
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
// set
|
|
err = idx.SetInternal([]byte("key"), []byte("abc"))
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
|
|
indexReader2, err := idx.Reader()
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
|
|
// get
|
|
val, err = indexReader2.GetInternal([]byte("key"))
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
if string(val) != "abc" {
|
|
t.Errorf("expected %s, got '%s'", "abc", val)
|
|
}
|
|
|
|
err = indexReader2.Close()
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
// delete
|
|
err = idx.DeleteInternal([]byte("key"))
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
|
|
indexReader3, err := idx.Reader()
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
|
|
// get again
|
|
val, err = indexReader3.GetInternal([]byte("key"))
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
if val != nil {
|
|
t.Errorf("expected nil, got %s", val)
|
|
}
|
|
|
|
err = indexReader3.Close()
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}
|
|
|
|
func TestIndexBatch(t *testing.T) {
|
|
defer func() {
|
|
err := DestroyTest()
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}()
|
|
|
|
analysisQueue := index.NewAnalysisQueue(1)
|
|
idx, err := NewUpsideDownCouch(boltdb.Name, boltTestConfig, analysisQueue)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
err = idx.Open()
|
|
if err != nil {
|
|
t.Errorf("error opening index: %v", err)
|
|
}
|
|
defer func() {
|
|
err := idx.Close()
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}()
|
|
|
|
var expectedCount uint64
|
|
|
|
// first create 2 docs the old fashioned way
|
|
doc := document.NewDocument("1")
|
|
doc.AddField(document.NewTextField("name", []uint64{}, []byte("test")))
|
|
err = idx.Update(doc)
|
|
if err != nil {
|
|
t.Errorf("Error updating index: %v", err)
|
|
}
|
|
expectedCount++
|
|
|
|
doc = document.NewDocument("2")
|
|
doc.AddField(document.NewTextField("name", []uint64{}, []byte("test2")))
|
|
err = idx.Update(doc)
|
|
if err != nil {
|
|
t.Errorf("Error updating index: %v", err)
|
|
}
|
|
expectedCount++
|
|
|
|
// now create a batch which does 3 things
|
|
// insert new doc
|
|
// update existing doc
|
|
// delete existing doc
|
|
// net document count change 0
|
|
|
|
batch := index.NewBatch()
|
|
doc = document.NewDocument("3")
|
|
doc.AddField(document.NewTextField("name", []uint64{}, []byte("test3")))
|
|
batch.Update(doc)
|
|
doc = document.NewDocument("2")
|
|
doc.AddField(document.NewTextField("name", []uint64{}, []byte("test2updated")))
|
|
batch.Update(doc)
|
|
batch.Delete("1")
|
|
|
|
err = idx.Batch(batch)
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
|
|
indexReader, err := idx.Reader()
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
defer func() {
|
|
err := indexReader.Close()
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}()
|
|
|
|
docCount, err := indexReader.DocCount()
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if docCount != expectedCount {
|
|
t.Errorf("Expected document count to be %d got %d", expectedCount, docCount)
|
|
}
|
|
|
|
docIDReader, err := indexReader.DocIDReaderAll()
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
var docIds []index.IndexInternalID
|
|
docID, err := docIDReader.Next()
|
|
for docID != nil && err == nil {
|
|
docIds = append(docIds, docID)
|
|
docID, err = docIDReader.Next()
|
|
}
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
expectedDocIds := []index.IndexInternalID{index.IndexInternalID("2"), index.IndexInternalID("3")}
|
|
if !reflect.DeepEqual(docIds, expectedDocIds) {
|
|
t.Errorf("expected ids: %v, got ids: %v", expectedDocIds, docIds)
|
|
}
|
|
}
|
|
|
|
func TestIndexInsertUpdateDeleteWithMultipleTypesStored(t *testing.T) {
|
|
defer func() {
|
|
err := DestroyTest()
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}()
|
|
|
|
analysisQueue := index.NewAnalysisQueue(1)
|
|
idx, err := NewUpsideDownCouch(boltdb.Name, boltTestConfig, analysisQueue)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
err = idx.Open()
|
|
if err != nil {
|
|
t.Errorf("error opening index: %v", err)
|
|
}
|
|
defer func() {
|
|
err := idx.Close()
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}()
|
|
|
|
var expectedCount uint64
|
|
reader, err := idx.Reader()
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
docCount, err := reader.DocCount()
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
if docCount != expectedCount {
|
|
t.Errorf("Expected document count to be %d got %d", expectedCount, docCount)
|
|
}
|
|
err = reader.Close()
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
doc := document.NewDocument("1")
|
|
doc.AddField(document.NewTextFieldWithIndexingOptions("name", []uint64{}, []byte("test"), index.IndexField|index.StoreField))
|
|
doc.AddField(document.NewNumericFieldWithIndexingOptions("age", []uint64{}, 35.99, index.IndexField|index.StoreField))
|
|
df, err := document.NewDateTimeFieldWithIndexingOptions("unixEpoch", []uint64{}, time.Unix(0, 0), time.RFC3339, index.IndexField|index.StoreField)
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
doc.AddField(df)
|
|
err = idx.Update(doc)
|
|
if err != nil {
|
|
t.Errorf("Error updating index: %v", err)
|
|
}
|
|
expectedCount++
|
|
|
|
reader, err = idx.Reader()
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
docCount, err = reader.DocCount()
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
if docCount != expectedCount {
|
|
t.Errorf("Expected document count to be %d got %d", expectedCount, docCount)
|
|
}
|
|
err = reader.Close()
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
// should have 72 rows
|
|
// 1 for version
|
|
// 3 for schema fields
|
|
// 1 for text term
|
|
// 16 for numeric terms
|
|
// 16 for date terms
|
|
// 3 for the stored field
|
|
// 1 for the text term count
|
|
// 16 for numeric term counts
|
|
// 16 for date term counts
|
|
// 1 for the back index entry
|
|
expectedLength := uint64(1 + 3 + 1 + (64 / document.DefaultPrecisionStep) + (64 / document.DefaultPrecisionStep) + 3 + 1 + (64 / document.DefaultPrecisionStep) + (64 / document.DefaultPrecisionStep) + 1)
|
|
rowCount, err := idx.(*UpsideDownCouch).rowCount()
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
if rowCount != expectedLength {
|
|
t.Errorf("expected %d rows, got: %d", expectedLength, rowCount)
|
|
}
|
|
|
|
indexReader, err := idx.Reader()
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
|
|
storedDocInt, err := indexReader.Document("1")
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
storedDoc := storedDocInt.(*document.Document)
|
|
|
|
err = indexReader.Close()
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
|
|
if len(storedDoc.Fields) != 3 {
|
|
t.Errorf("expected 3 stored field, got %d", len(storedDoc.Fields))
|
|
}
|
|
textField, ok := storedDoc.Fields[0].(*document.TextField)
|
|
if !ok {
|
|
t.Errorf("expected text field")
|
|
}
|
|
if string(textField.Value()) != "test" {
|
|
t.Errorf("expected field content 'test', got '%s'", string(textField.Value()))
|
|
}
|
|
numField, ok := storedDoc.Fields[1].(*document.NumericField)
|
|
if !ok {
|
|
t.Errorf("expected numeric field")
|
|
}
|
|
numFieldNumer, err := numField.Number()
|
|
if err != nil {
|
|
t.Error(err)
|
|
} else {
|
|
if numFieldNumer != 35.99 {
|
|
t.Errorf("expected numeric value 35.99, got %f", numFieldNumer)
|
|
}
|
|
}
|
|
dateField, ok := storedDoc.Fields[2].(*document.DateTimeField)
|
|
if !ok {
|
|
t.Errorf("expected date field")
|
|
}
|
|
dateFieldDate, _, err := dateField.DateTime()
|
|
if err != nil {
|
|
t.Error(err)
|
|
} else {
|
|
if dateFieldDate != time.Unix(0, 0).UTC() {
|
|
t.Errorf("expected date value unix epoch, got %v", dateFieldDate)
|
|
}
|
|
}
|
|
|
|
// now update the document, but omit one of the fields
|
|
doc = document.NewDocument("1")
|
|
doc.AddField(document.NewTextFieldWithIndexingOptions("name", []uint64{}, []byte("testup"), index.IndexField|index.StoreField))
|
|
doc.AddField(document.NewNumericFieldWithIndexingOptions("age", []uint64{}, 36.99, index.IndexField|index.StoreField))
|
|
err = idx.Update(doc)
|
|
if err != nil {
|
|
t.Errorf("Error updating index: %v", err)
|
|
}
|
|
|
|
indexReader2, err := idx.Reader()
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
|
|
// expected doc count shouldn't have changed
|
|
docCount, err = indexReader2.DocCount()
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if docCount != expectedCount {
|
|
t.Errorf("Expected document count to be %d got %d", expectedCount, docCount)
|
|
}
|
|
|
|
// should only get 2 fields back now though
|
|
storedDocInt, err = indexReader2.Document("1")
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
storedDoc = storedDocInt.(*document.Document)
|
|
|
|
err = indexReader2.Close()
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
|
|
if len(storedDoc.Fields) != 2 {
|
|
t.Errorf("expected 3 stored field, got %d", len(storedDoc.Fields))
|
|
}
|
|
textField, ok = storedDoc.Fields[0].(*document.TextField)
|
|
if !ok {
|
|
t.Errorf("expected text field")
|
|
}
|
|
if string(textField.Value()) != "testup" {
|
|
t.Errorf("expected field content 'testup', got '%s'", string(textField.Value()))
|
|
}
|
|
numField, ok = storedDoc.Fields[1].(*document.NumericField)
|
|
if !ok {
|
|
t.Errorf("expected numeric field")
|
|
}
|
|
numFieldNumer, err = numField.Number()
|
|
if err != nil {
|
|
t.Error(err)
|
|
} else {
|
|
if numFieldNumer != 36.99 {
|
|
t.Errorf("expected numeric value 36.99, got %f", numFieldNumer)
|
|
}
|
|
}
|
|
|
|
// now delete the document
|
|
err = idx.Delete("1")
|
|
if err != nil {
|
|
t.Errorf("Error deleting entry from index: %v", err)
|
|
}
|
|
|
|
expectedCount--
|
|
|
|
// expected doc count shouldn't have changed
|
|
reader, err = idx.Reader()
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
docCount, err = reader.DocCount()
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
if docCount != expectedCount {
|
|
t.Errorf("Expected document count to be %d got %d", expectedCount, docCount)
|
|
}
|
|
err = reader.Close()
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}
|
|
|
|
func TestIndexInsertFields(t *testing.T) {
|
|
defer func() {
|
|
err := DestroyTest()
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}()
|
|
|
|
analysisQueue := index.NewAnalysisQueue(1)
|
|
idx, err := NewUpsideDownCouch(boltdb.Name, boltTestConfig, analysisQueue)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
err = idx.Open()
|
|
if err != nil {
|
|
t.Errorf("error opening index: %v", err)
|
|
}
|
|
defer func() {
|
|
err := idx.Close()
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}()
|
|
|
|
doc := document.NewDocument("1")
|
|
doc.AddField(document.NewTextFieldWithIndexingOptions("name", []uint64{}, []byte("test"), index.IndexField|index.StoreField))
|
|
doc.AddField(document.NewNumericFieldWithIndexingOptions("age", []uint64{}, 35.99, index.IndexField|index.StoreField))
|
|
dateField, err := document.NewDateTimeFieldWithIndexingOptions("unixEpoch", []uint64{}, time.Unix(0, 0), time.RFC3339, index.IndexField|index.StoreField)
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
doc.AddField(dateField)
|
|
err = idx.Update(doc)
|
|
if err != nil {
|
|
t.Errorf("Error updating index: %v", err)
|
|
}
|
|
|
|
indexReader, err := idx.Reader()
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
defer func() {
|
|
err := indexReader.Close()
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}()
|
|
|
|
fields, err := indexReader.Fields()
|
|
if err != nil {
|
|
t.Error(err)
|
|
} else {
|
|
expectedFields := []string{"name", "age", "unixEpoch"}
|
|
if !reflect.DeepEqual(fields, expectedFields) {
|
|
t.Errorf("expected fields: %v, got %v", expectedFields, fields)
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestIndexUpdateComposites(t *testing.T) {
|
|
defer func() {
|
|
err := DestroyTest()
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}()
|
|
|
|
analysisQueue := index.NewAnalysisQueue(1)
|
|
idx, err := NewUpsideDownCouch(boltdb.Name, boltTestConfig, analysisQueue)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
err = idx.Open()
|
|
if err != nil {
|
|
t.Errorf("error opening index: %v", err)
|
|
}
|
|
defer func() {
|
|
err := idx.Close()
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}()
|
|
|
|
doc := document.NewDocument("1")
|
|
doc.AddField(document.NewTextFieldWithIndexingOptions("name", []uint64{}, []byte("test"), index.IndexField|index.StoreField))
|
|
doc.AddField(document.NewTextFieldWithIndexingOptions("title", []uint64{}, []byte("mister"), index.IndexField|index.StoreField))
|
|
doc.AddField(document.NewCompositeFieldWithIndexingOptions("_all", true, nil, nil, index.IndexField))
|
|
err = idx.Update(doc)
|
|
if err != nil {
|
|
t.Errorf("Error updating index: %v", err)
|
|
}
|
|
|
|
// should have 72 rows
|
|
// 1 for version
|
|
// 3 for schema fields
|
|
// 4 for text term
|
|
// 2 for the stored field
|
|
// 4 for the text term count
|
|
// 1 for the back index entry
|
|
expectedLength := uint64(1 + 3 + 4 + 2 + 4 + 1)
|
|
rowCount, err := idx.(*UpsideDownCouch).rowCount()
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
if rowCount != expectedLength {
|
|
t.Errorf("expected %d rows, got: %d", expectedLength, rowCount)
|
|
}
|
|
|
|
// now lets update it
|
|
doc = document.NewDocument("1")
|
|
doc.AddField(document.NewTextFieldWithIndexingOptions("name", []uint64{}, []byte("testupdated"), index.IndexField|index.StoreField))
|
|
doc.AddField(document.NewTextFieldWithIndexingOptions("title", []uint64{}, []byte("misterupdated"), index.IndexField|index.StoreField))
|
|
doc.AddField(document.NewCompositeFieldWithIndexingOptions("_all", true, nil, nil, index.IndexField))
|
|
err = idx.Update(doc)
|
|
if err != nil {
|
|
t.Errorf("Error updating index: %v", err)
|
|
}
|
|
|
|
indexReader, err := idx.Reader()
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
defer func() {
|
|
err := indexReader.Close()
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}()
|
|
|
|
// make sure new values are in index
|
|
storedDocInt, err := indexReader.Document("1")
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
storedDoc := storedDocInt.(*document.Document)
|
|
if len(storedDoc.Fields) != 2 {
|
|
t.Errorf("expected 2 stored field, got %d", len(storedDoc.Fields))
|
|
}
|
|
textField, ok := storedDoc.Fields[0].(*document.TextField)
|
|
if !ok {
|
|
t.Errorf("expected text field")
|
|
}
|
|
if string(textField.Value()) != "testupdated" {
|
|
t.Errorf("expected field content 'test', got '%s'", string(textField.Value()))
|
|
}
|
|
|
|
// should have the same row count as before, plus 4 term dictionary garbage rows
|
|
expectedLength += 4
|
|
rowCount, err = idx.(*UpsideDownCouch).rowCount()
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
if rowCount != expectedLength {
|
|
t.Errorf("expected %d rows, got: %d", expectedLength, rowCount)
|
|
}
|
|
}
|
|
|
|
func TestIndexFieldsMisc(t *testing.T) {
|
|
defer func() {
|
|
err := DestroyTest()
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}()
|
|
|
|
analysisQueue := index.NewAnalysisQueue(1)
|
|
idx, err := NewUpsideDownCouch(boltdb.Name, boltTestConfig, analysisQueue)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
err = idx.Open()
|
|
if err != nil {
|
|
t.Errorf("error opening index: %v", err)
|
|
}
|
|
defer func() {
|
|
err := idx.Close()
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}()
|
|
|
|
doc := document.NewDocument("1")
|
|
doc.AddField(document.NewTextFieldWithIndexingOptions("name", []uint64{}, []byte("test"), index.IndexField|index.StoreField))
|
|
doc.AddField(document.NewTextFieldWithIndexingOptions("title", []uint64{}, []byte("mister"), index.IndexField|index.StoreField))
|
|
err = idx.Update(doc)
|
|
if err != nil {
|
|
t.Errorf("Error updating index: %v", err)
|
|
}
|
|
|
|
fieldName1 := idx.(*UpsideDownCouch).fieldCache.FieldIndexed(0)
|
|
if fieldName1 != "name" {
|
|
t.Errorf("expected field named 'name', got '%s'", fieldName1)
|
|
}
|
|
fieldName2 := idx.(*UpsideDownCouch).fieldCache.FieldIndexed(1)
|
|
if fieldName2 != "title" {
|
|
t.Errorf("expected field named 'title', got '%s'", fieldName2)
|
|
}
|
|
fieldName3 := idx.(*UpsideDownCouch).fieldCache.FieldIndexed(2)
|
|
if fieldName3 != "" {
|
|
t.Errorf("expected field named '', got '%s'", fieldName3)
|
|
}
|
|
}
|
|
|
|
func TestIndexTermReaderCompositeFields(t *testing.T) {
|
|
defer func() {
|
|
err := DestroyTest()
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}()
|
|
|
|
analysisQueue := index.NewAnalysisQueue(1)
|
|
idx, err := NewUpsideDownCouch(boltdb.Name, boltTestConfig, analysisQueue)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
err = idx.Open()
|
|
if err != nil {
|
|
t.Errorf("error opening index: %v", err)
|
|
}
|
|
defer func() {
|
|
err := idx.Close()
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}()
|
|
|
|
doc := document.NewDocument("1")
|
|
doc.AddField(document.NewTextFieldWithIndexingOptions("name", []uint64{}, []byte("test"), index.IndexField|index.StoreField|index.IncludeTermVectors))
|
|
doc.AddField(document.NewTextFieldWithIndexingOptions("title", []uint64{}, []byte("mister"), index.IndexField|index.StoreField|index.IncludeTermVectors))
|
|
doc.AddField(document.NewCompositeFieldWithIndexingOptions("_all", true, nil, nil, index.IndexField|index.IncludeTermVectors))
|
|
err = idx.Update(doc)
|
|
if err != nil {
|
|
t.Errorf("Error updating index: %v", err)
|
|
}
|
|
|
|
indexReader, err := idx.Reader()
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
defer func() {
|
|
err := indexReader.Close()
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}()
|
|
|
|
termFieldReader, err := indexReader.TermFieldReader(context.TODO(), []byte("mister"), "_all", true, true, true)
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
|
|
tfd, err := termFieldReader.Next(nil)
|
|
for tfd != nil && err == nil {
|
|
if !tfd.ID.Equals(index.IndexInternalID("1")) {
|
|
t.Errorf("expected to find document id 1")
|
|
}
|
|
tfd, err = termFieldReader.Next(nil)
|
|
}
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
}
|
|
|
|
func TestIndexDocValueReader(t *testing.T) {
|
|
defer func() {
|
|
err := DestroyTest()
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}()
|
|
|
|
analysisQueue := index.NewAnalysisQueue(1)
|
|
idx, err := NewUpsideDownCouch(boltdb.Name, boltTestConfig, analysisQueue)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
err = idx.Open()
|
|
if err != nil {
|
|
t.Errorf("error opening index: %v", err)
|
|
}
|
|
defer func() {
|
|
err := idx.Close()
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}()
|
|
|
|
doc := document.NewDocument("1")
|
|
doc.AddField(document.NewTextFieldWithIndexingOptions("name", []uint64{}, []byte("test"), index.IndexField|index.StoreField|index.IncludeTermVectors))
|
|
doc.AddField(document.NewTextFieldWithIndexingOptions("title", []uint64{}, []byte("mister"), index.IndexField|index.StoreField|index.IncludeTermVectors))
|
|
err = idx.Update(doc)
|
|
if err != nil {
|
|
t.Errorf("Error updating index: %v", err)
|
|
}
|
|
|
|
indexReader, err := idx.Reader()
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
defer func() {
|
|
err := indexReader.Close()
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}()
|
|
|
|
actualFieldTerms := make(fieldTerms)
|
|
|
|
dvr, err := indexReader.DocValueReader([]string{"name", "title"})
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
|
|
err = dvr.VisitDocValues(index.IndexInternalID("1"), func(field string, term []byte) {
|
|
actualFieldTerms[field] = append(actualFieldTerms[field], string(term))
|
|
})
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
expectedFieldTerms := fieldTerms{
|
|
"name": []string{"test"},
|
|
"title": []string{"mister"},
|
|
}
|
|
if !reflect.DeepEqual(actualFieldTerms, expectedFieldTerms) {
|
|
t.Errorf("expected field terms: %#v, got: %#v", expectedFieldTerms, actualFieldTerms)
|
|
}
|
|
}
|
|
|
|
func BenchmarkBatch(b *testing.B) {
|
|
cache := registry.NewCache()
|
|
analyzer, err := cache.AnalyzerNamed(standard.Name)
|
|
if err != nil {
|
|
b.Fatal(err)
|
|
}
|
|
|
|
analysisQueue := index.NewAnalysisQueue(1)
|
|
idx, err := NewUpsideDownCouch(null.Name, nil, analysisQueue)
|
|
if err != nil {
|
|
b.Fatal(err)
|
|
}
|
|
err = idx.Open()
|
|
if err != nil {
|
|
b.Fatal(err)
|
|
}
|
|
|
|
batch := index.NewBatch()
|
|
for i := 0; i < 100; i++ {
|
|
d := document.NewDocument(strconv.Itoa(i))
|
|
f := document.NewTextFieldWithAnalyzer("desc", nil, bleveWikiArticle1K, analyzer)
|
|
d.AddField(f)
|
|
batch.Update(d)
|
|
}
|
|
|
|
b.ResetTimer()
|
|
|
|
for i := 0; i < b.N; i++ {
|
|
err = idx.Batch(batch)
|
|
if err != nil {
|
|
b.Fatal(err)
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestConcurrentUpdate(t *testing.T) {
|
|
defer func() {
|
|
err := DestroyTest()
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}()
|
|
|
|
analysisQueue := index.NewAnalysisQueue(1)
|
|
idx, err := NewUpsideDownCouch(boltdb.Name, boltTestConfig, analysisQueue)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
err = idx.Open()
|
|
if err != nil {
|
|
t.Errorf("error opening index: %v", err)
|
|
}
|
|
defer func() {
|
|
err := idx.Close()
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}()
|
|
|
|
// do some concurrent updates
|
|
var wg sync.WaitGroup
|
|
for i := 0; i < 10; i++ {
|
|
wg.Add(1)
|
|
go func(i int) {
|
|
doc := document.NewDocument("1")
|
|
doc.AddField(document.NewTextFieldWithIndexingOptions(strconv.Itoa(i), []uint64{}, []byte(strconv.Itoa(i)), index.StoreField))
|
|
err := idx.Update(doc)
|
|
if err != nil {
|
|
t.Errorf("Error updating index: %v", err)
|
|
}
|
|
wg.Done()
|
|
}(i)
|
|
}
|
|
wg.Wait()
|
|
|
|
// now load the name field and see what we get
|
|
r, err := idx.Reader()
|
|
if err != nil {
|
|
log.Fatal(err)
|
|
}
|
|
|
|
docInt, err := r.Document("1")
|
|
if err != nil {
|
|
log.Fatal(err)
|
|
}
|
|
doc := docInt.(*document.Document)
|
|
|
|
if len(doc.Fields) > 1 {
|
|
t.Errorf("expected single field, found %d", len(doc.Fields))
|
|
}
|
|
|
|
err = r.Close()
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}
|
|
|
|
func TestLargeField(t *testing.T) {
|
|
defer func() {
|
|
err := DestroyTest()
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}()
|
|
|
|
analysisQueue := index.NewAnalysisQueue(1)
|
|
idx, err := NewUpsideDownCouch(boltdb.Name, boltTestConfig, analysisQueue)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
err = idx.Open()
|
|
if err != nil {
|
|
t.Errorf("error opening index: %v", err)
|
|
}
|
|
defer func() {
|
|
err := idx.Close()
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}()
|
|
|
|
var largeFieldValue []byte
|
|
for len(largeFieldValue) < RowBufferSize {
|
|
largeFieldValue = append(largeFieldValue, bleveWikiArticle1K...)
|
|
}
|
|
t.Logf("large field size: %d", len(largeFieldValue))
|
|
|
|
d := document.NewDocument("large")
|
|
f := document.NewTextFieldWithIndexingOptions("desc", nil, largeFieldValue, index.IndexField|index.StoreField)
|
|
d.AddField(f)
|
|
|
|
err = idx.Update(d)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}
|
|
|
|
func TestIndexBatchPersistedCallbackWithErrorUpsideDown(t *testing.T) {
|
|
defer func() {
|
|
err := DestroyTest()
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}()
|
|
|
|
analysisQueue := index.NewAnalysisQueue(1)
|
|
idx, err := NewUpsideDownCouch(boltdb.Name, boltTestConfig, analysisQueue)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
err = idx.Open()
|
|
if err != nil {
|
|
t.Errorf("error opening index: %v", err)
|
|
}
|
|
defer func() {
|
|
err := idx.Close()
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}()
|
|
|
|
var callbackExecuted bool
|
|
batch := index.NewBatch()
|
|
batch.SetPersistedCallback(func(e error) {
|
|
callbackExecuted = true
|
|
})
|
|
// By using a really large ID, we ensure that the batch will fail,
|
|
// because the key generated by upside down will be too large for BoltDB
|
|
reallyBigId := strings.Repeat("x", 32768+1)
|
|
doc := document.NewDocument(reallyBigId)
|
|
doc.AddField(document.NewTextField("name", []uint64{}, []byte("test3")))
|
|
batch.Update(doc)
|
|
|
|
_ = idx.Batch(batch)
|
|
// don't fail on this error, that isn't what we're testing
|
|
|
|
if !callbackExecuted {
|
|
t.Fatal("expected callback to fire, it did not")
|
|
}
|
|
}
|
|
|
|
// fieldTerms contains the terms used by a document, keyed by field
|
|
type fieldTerms map[string][]string
|
|
|
|
// FieldsNotYetCached returns a list of fields not yet cached out of a larger list of fields
|
|
func (f fieldTerms) FieldsNotYetCached(fields []string) []string {
|
|
rv := make([]string, 0, len(fields))
|
|
for _, field := range fields {
|
|
if _, ok := f[field]; !ok {
|
|
rv = append(rv, field)
|
|
}
|
|
}
|
|
return rv
|
|
}
|
|
|
|
// Merge will combine two fieldTerms
|
|
// it assumes that the terms lists are complete (thus do not need to be merged)
|
|
// field terms from the other list always replace the ones in the receiver
|
|
func (f fieldTerms) Merge(other fieldTerms) {
|
|
for field, terms := range other {
|
|
f[field] = terms
|
|
}
|
|
}
|