65fed52d0b
Since its just the pointer size of the IndexReader that is being accounted for while estimating the RAM needed to execute a search query, get rid of the Size() API in the IndexReader interface.
122 lines
2.7 KiB
Go
122 lines
2.7 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 searcher
|
|
|
|
import (
|
|
"reflect"
|
|
|
|
"github.com/blevesearch/bleve/index"
|
|
"github.com/blevesearch/bleve/search"
|
|
"github.com/blevesearch/bleve/search/scorer"
|
|
"github.com/blevesearch/bleve/size"
|
|
)
|
|
|
|
var reflectStaticSizeMatchAllSearcher int
|
|
|
|
func init() {
|
|
var mas MatchAllSearcher
|
|
reflectStaticSizeMatchAllSearcher = int(reflect.TypeOf(mas).Size())
|
|
}
|
|
|
|
type MatchAllSearcher struct {
|
|
indexReader index.IndexReader
|
|
reader index.DocIDReader
|
|
scorer *scorer.ConstantScorer
|
|
count uint64
|
|
}
|
|
|
|
func NewMatchAllSearcher(indexReader index.IndexReader, boost float64, options search.SearcherOptions) (*MatchAllSearcher, error) {
|
|
reader, err := indexReader.DocIDReaderAll()
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
count, err := indexReader.DocCount()
|
|
if err != nil {
|
|
_ = reader.Close()
|
|
return nil, err
|
|
}
|
|
scorer := scorer.NewConstantScorer(1.0, boost, options)
|
|
return &MatchAllSearcher{
|
|
indexReader: indexReader,
|
|
reader: reader,
|
|
scorer: scorer,
|
|
count: count,
|
|
}, nil
|
|
}
|
|
|
|
func (s *MatchAllSearcher) Size() int {
|
|
return reflectStaticSizeMatchAllSearcher + size.SizeOfPtr +
|
|
s.reader.Size() +
|
|
s.scorer.Size()
|
|
}
|
|
|
|
func (s *MatchAllSearcher) Count() uint64 {
|
|
return s.count
|
|
}
|
|
|
|
func (s *MatchAllSearcher) Weight() float64 {
|
|
return s.scorer.Weight()
|
|
}
|
|
|
|
func (s *MatchAllSearcher) SetQueryNorm(qnorm float64) {
|
|
s.scorer.SetQueryNorm(qnorm)
|
|
}
|
|
|
|
func (s *MatchAllSearcher) Next(ctx *search.SearchContext) (*search.DocumentMatch, error) {
|
|
id, err := s.reader.Next()
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
if id == nil {
|
|
return nil, nil
|
|
}
|
|
|
|
// score match
|
|
docMatch := s.scorer.Score(ctx, id)
|
|
// return doc match
|
|
return docMatch, nil
|
|
|
|
}
|
|
|
|
func (s *MatchAllSearcher) Advance(ctx *search.SearchContext, ID index.IndexInternalID) (*search.DocumentMatch, error) {
|
|
id, err := s.reader.Advance(ID)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
if id == nil {
|
|
return nil, nil
|
|
}
|
|
|
|
// score match
|
|
docMatch := s.scorer.Score(ctx, id)
|
|
|
|
// return doc match
|
|
return docMatch, nil
|
|
}
|
|
|
|
func (s *MatchAllSearcher) Close() error {
|
|
return s.reader.Close()
|
|
}
|
|
|
|
func (s *MatchAllSearcher) Min() int {
|
|
return 0
|
|
}
|
|
|
|
func (s *MatchAllSearcher) DocumentMatchPoolSize() int {
|
|
return 1
|
|
}
|