7e36109b3c
This API (unexported) will estimate the amount of memory needed to execute a search query over an index before the collector begins data collection. Sample estimates for certain queries: {Size: 10, BenchmarkUpsidedownSearchOverhead} ESTIMATE BENCHMEM TermQuery 4616 4796 MatchQuery 5210 5405 DisjunctionQuery (Match queries) 7700 8447 DisjunctionQuery (Term queries) 6514 6591 ConjunctionQuery (Match queries) 7524 8175 Nested disjunction query (disjunction of disjunctions) 10306 10708 …
164 lines
3.8 KiB
Go
164 lines
3.8 KiB
Go
// Copyright (c) 2014 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 collector
|
|
|
|
import (
|
|
"reflect"
|
|
|
|
"github.com/blevesearch/bleve/document"
|
|
"github.com/blevesearch/bleve/index"
|
|
"github.com/blevesearch/bleve/search"
|
|
)
|
|
|
|
type stubSearcher struct {
|
|
index int
|
|
matches []*search.DocumentMatch
|
|
}
|
|
|
|
func (ss *stubSearcher) Size() int {
|
|
sizeInBytes := int(reflect.TypeOf(*ss).Size())
|
|
|
|
for _, entry := range ss.matches {
|
|
if entry != nil {
|
|
sizeInBytes += entry.Size()
|
|
}
|
|
}
|
|
|
|
return sizeInBytes
|
|
}
|
|
|
|
func (ss *stubSearcher) Next(ctx *search.SearchContext) (*search.DocumentMatch, error) {
|
|
if ss.index < len(ss.matches) {
|
|
rv := ctx.DocumentMatchPool.Get()
|
|
rv.IndexInternalID = ss.matches[ss.index].IndexInternalID
|
|
rv.Score = ss.matches[ss.index].Score
|
|
ss.index++
|
|
return rv, nil
|
|
}
|
|
return nil, nil
|
|
}
|
|
|
|
func (ss *stubSearcher) Advance(ctx *search.SearchContext, ID index.IndexInternalID) (*search.DocumentMatch, error) {
|
|
|
|
for ss.index < len(ss.matches) && ss.matches[ss.index].IndexInternalID.Compare(ID) < 0 {
|
|
ss.index++
|
|
}
|
|
if ss.index < len(ss.matches) {
|
|
rv := ctx.DocumentMatchPool.Get()
|
|
rv.IndexInternalID = ss.matches[ss.index].IndexInternalID
|
|
rv.Score = ss.matches[ss.index].Score
|
|
ss.index++
|
|
return rv, nil
|
|
}
|
|
return nil, nil
|
|
}
|
|
|
|
func (ss *stubSearcher) Close() error {
|
|
return nil
|
|
}
|
|
|
|
func (ss *stubSearcher) Weight() float64 {
|
|
return 0.0
|
|
}
|
|
|
|
func (ss *stubSearcher) SetQueryNorm(float64) {
|
|
}
|
|
|
|
func (ss *stubSearcher) Count() uint64 {
|
|
return uint64(len(ss.matches))
|
|
}
|
|
|
|
func (ss *stubSearcher) Min() int {
|
|
return 0
|
|
}
|
|
|
|
func (ss *stubSearcher) DocumentMatchPoolSize() int {
|
|
return 0
|
|
}
|
|
|
|
type stubReader struct{}
|
|
|
|
func (sr *stubReader) Size() int {
|
|
return 0
|
|
}
|
|
|
|
func (sr *stubReader) TermFieldReader(term []byte, field string, includeFreq, includeNorm, includeTermVectors bool) (index.TermFieldReader, error) {
|
|
return nil, nil
|
|
}
|
|
|
|
func (sr *stubReader) DocIDReaderAll() (index.DocIDReader, error) {
|
|
return nil, nil
|
|
}
|
|
|
|
func (sr *stubReader) DocIDReaderOnly(ids []string) (index.DocIDReader, error) {
|
|
return nil, nil
|
|
}
|
|
|
|
func (sr *stubReader) FieldDict(field string) (index.FieldDict, error) {
|
|
return nil, nil
|
|
}
|
|
|
|
func (sr *stubReader) FieldDictRange(field string, startTerm []byte, endTerm []byte) (index.FieldDict, error) {
|
|
return nil, nil
|
|
}
|
|
|
|
func (sr *stubReader) FieldDictPrefix(field string, termPrefix []byte) (index.FieldDict, error) {
|
|
return nil, nil
|
|
}
|
|
|
|
func (sr *stubReader) Document(id string) (*document.Document, error) {
|
|
return nil, nil
|
|
}
|
|
|
|
func (sr *stubReader) DocumentVisitFieldTerms(id index.IndexInternalID, fields []string, visitor index.DocumentFieldTermVisitor) error {
|
|
return nil
|
|
}
|
|
|
|
func (sr *stubReader) Fields() ([]string, error) {
|
|
return nil, nil
|
|
}
|
|
|
|
func (sr *stubReader) GetInternal(key []byte) ([]byte, error) {
|
|
return nil, nil
|
|
}
|
|
|
|
func (sr *stubReader) DocCount() (uint64, error) {
|
|
return 0, nil
|
|
}
|
|
|
|
func (sr *stubReader) ExternalID(id index.IndexInternalID) (string, error) {
|
|
return string(id), nil
|
|
}
|
|
|
|
func (sr *stubReader) InternalID(id string) (index.IndexInternalID, error) {
|
|
return []byte(id), nil
|
|
}
|
|
|
|
func (sr *stubReader) DumpAll() chan interface{} {
|
|
return nil
|
|
}
|
|
|
|
func (sr *stubReader) DumpDoc(id string) chan interface{} {
|
|
return nil
|
|
}
|
|
|
|
func (sr *stubReader) DumpFields() chan interface{} {
|
|
return nil
|
|
}
|
|
|
|
func (sr *stubReader) Close() error {
|
|
return nil
|
|
}
|