searcher

package
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 Go to latest Published: Sep 12, 2017 License: Apache-2.0 Imports: 11 Imported by: 0

Documentation

Index

Constants

This section is empty.

Variables

View Source 
var DisjunctionMaxClauseCount = 0

DisjunctionMaxClauseCount is a compile time setting that applications can adjust to non-zero value to cause the DisjunctionSearcher to return an error instead of exeucting searches when the size exceeds this value.

Functions

func ComputeGeoRange 

func ComputeGeoRange(term uint64, shift uint,
	sminLon, sminLat, smaxLon, smaxLat float64,
	checkBoundaries bool) (
	onBoundary [][]byte, notOnBoundary [][]byte)

func NewFuzzySearcher 

func NewFuzzySearcher(indexReader index.IndexReader, term string,
	prefix, fuzziness int, field string, boost float64,
	options search.SearcherOptions) (search.Searcher, error)

func NewGeoBoundingBoxSearcher 

func NewGeoBoundingBoxSearcher(indexReader index.IndexReader, minLon, minLat,
	maxLon, maxLat float64, field string, boost float64,
	options search.SearcherOptions, checkBoundaries bool) (
	search.Searcher, error)

func NewGeoPointDistanceSearcher 

func NewGeoPointDistanceSearcher(indexReader index.IndexReader, centerLon,
	centerLat, dist float64, field string, boost float64,
	options search.SearcherOptions) (search.Searcher, error)

func NewMultiTermSearcher 

func NewMultiTermSearcher(indexReader index.IndexReader, terms []string,
	field string, boost float64, options search.SearcherOptions, limit bool) (
	search.Searcher, error)

func NewMultiTermSearcherBytes 

func NewMultiTermSearcherBytes(indexReader index.IndexReader, terms [][]byte,
	field string, boost float64, options search.SearcherOptions, limit bool) (
	search.Searcher, error)

func NewNumericRangeSearcher 

func NewNumericRangeSearcher(indexReader index.IndexReader,
	min *float64, max *float64, inclusiveMin, inclusiveMax *bool, field string,
	boost float64, options search.SearcherOptions) (search.Searcher, error)

func NewRegexpSearcher 

func NewRegexpSearcher(indexReader index.IndexReader, pattern *regexp.Regexp,
	field string, boost float64, options search.SearcherOptions) (
	search.Searcher, error)

NewRegexpSearcher creates a searcher which will match documents that contain terms which match the pattern regexp. The match must be EXACT matching the entire term. The provided regexp SHOULD NOT start with ^ or end with $ as this can intefere with the implementation. Separately, matches will be checked to ensure they match the entire term.

func NewTermPrefixSearcher 

func NewTermPrefixSearcher(indexReader index.IndexReader, prefix string,
	field string, boost float64, options search.SearcherOptions) (
	search.Searcher, error)

func NewTermRangeSearcher 

func NewTermRangeSearcher(indexReader index.IndexReader,
	min, max []byte, inclusiveMin, inclusiveMax *bool, field string,
	boost float64, options search.SearcherOptions) (search.Searcher, error)

Types

type BooleanSearcher 

type BooleanSearcher struct {
	// contains filtered or unexported fields
}

func NewBooleanSearcher 

func NewBooleanSearcher(indexReader index.IndexReader, mustSearcher search.Searcher, shouldSearcher search.Searcher, mustNotSearcher search.Searcher, options search.SearcherOptions) (*BooleanSearcher, error)

func (*BooleanSearcher) Advance 

func (s *BooleanSearcher) Advance(ctx *search.SearchContext, ID index.IndexInternalID) (*search.DocumentMatch, error)

func (*BooleanSearcher) Close 

func (s *BooleanSearcher) Close() error

func (*BooleanSearcher) Count 

func (s *BooleanSearcher) Count() uint64

func (*BooleanSearcher) DocumentMatchPoolSize 

func (s *BooleanSearcher) DocumentMatchPoolSize() int

func (*BooleanSearcher) Min 

func (s *BooleanSearcher) Min() int

func (*BooleanSearcher) Next 

func (s *BooleanSearcher) Next(ctx *search.SearchContext) (*search.DocumentMatch, error)

func (*BooleanSearcher) SetQueryNorm 

func (s *BooleanSearcher) SetQueryNorm(qnorm float64)

func (*BooleanSearcher) Weight 

func (s *BooleanSearcher) Weight() float64

type ConjunctionSearcher 

type ConjunctionSearcher struct {
	// contains filtered or unexported fields
}

func NewConjunctionSearcher 

func NewConjunctionSearcher(indexReader index.IndexReader, qsearchers []search.Searcher, options search.SearcherOptions) (*ConjunctionSearcher, error)

func (*ConjunctionSearcher) Advance 

func (s *ConjunctionSearcher) Advance(ctx *search.SearchContext, ID index.IndexInternalID) (*search.DocumentMatch, error)

func (*ConjunctionSearcher) Close 

func (s *ConjunctionSearcher) Close() (rv error)

func (*ConjunctionSearcher) Count 

func (s *ConjunctionSearcher) Count() uint64

func (*ConjunctionSearcher) DocumentMatchPoolSize 

func (s *ConjunctionSearcher) DocumentMatchPoolSize() int

func (*ConjunctionSearcher) Min 

func (s *ConjunctionSearcher) Min() int

func (*ConjunctionSearcher) Next 

func (s *ConjunctionSearcher) Next(ctx *search.SearchContext) (*search.DocumentMatch, error)

func (*ConjunctionSearcher) SetQueryNorm 

func (s *ConjunctionSearcher) SetQueryNorm(qnorm float64)

func (*ConjunctionSearcher) Weight 

func (s *ConjunctionSearcher) Weight() float64

type DisjunctionSearcher 

type DisjunctionSearcher struct {
	// contains filtered or unexported fields
}

func NewDisjunctionSearcher 

func NewDisjunctionSearcher(indexReader index.IndexReader,
	qsearchers []search.Searcher, min float64, options search.SearcherOptions) (
	*DisjunctionSearcher, error)

func (*DisjunctionSearcher) Advance 

func (s *DisjunctionSearcher) Advance(ctx *search.SearchContext,
	ID index.IndexInternalID) (*search.DocumentMatch, error)

func (*DisjunctionSearcher) Close 

func (s *DisjunctionSearcher) Close() (rv error)

func (*DisjunctionSearcher) Count 

func (s *DisjunctionSearcher) Count() uint64

func (*DisjunctionSearcher) DocumentMatchPoolSize 

func (s *DisjunctionSearcher) DocumentMatchPoolSize() int

func (*DisjunctionSearcher) Min 

func (s *DisjunctionSearcher) Min() int

func (*DisjunctionSearcher) Next 

func (s *DisjunctionSearcher) Next(ctx *search.SearchContext) (
	*search.DocumentMatch, error)

func (*DisjunctionSearcher) SetQueryNorm 

func (s *DisjunctionSearcher) SetQueryNorm(qnorm float64)

func (*DisjunctionSearcher) Weight 

func (s *DisjunctionSearcher) Weight() float64

type DocIDSearcher 

type DocIDSearcher struct {
	// contains filtered or unexported fields
}

DocIDSearcher returns documents matching a predefined set of identifiers.

func NewDocIDSearcher 

func NewDocIDSearcher(indexReader index.IndexReader, ids []string, boost float64,
	options search.SearcherOptions) (searcher *DocIDSearcher, err error)

func (*DocIDSearcher) Advance 

func (s *DocIDSearcher) Advance(ctx *search.SearchContext, ID index.IndexInternalID) (*search.DocumentMatch, error)

func (*DocIDSearcher) Close 

func (s *DocIDSearcher) Close() error

func (*DocIDSearcher) Count 

func (s *DocIDSearcher) Count() uint64

func (*DocIDSearcher) DocumentMatchPoolSize 

func (s *DocIDSearcher) DocumentMatchPoolSize() int

func (*DocIDSearcher) Min 

func (s *DocIDSearcher) Min() int

func (*DocIDSearcher) Next 

func (s *DocIDSearcher) Next(ctx *search.SearchContext) (*search.DocumentMatch, error)

func (*DocIDSearcher) SetQueryNorm 

func (s *DocIDSearcher) SetQueryNorm(qnorm float64)

func (*DocIDSearcher) Weight 

func (s *DocIDSearcher) Weight() float64

type FilterFunc 

type FilterFunc func(d *search.DocumentMatch) bool

FilterFunc defines a function which can filter documents returning true means keep the document returning false means do not keep the document

type FilteringSearcher 

type FilteringSearcher struct {
	// contains filtered or unexported fields
}

FilteringSearcher wraps any other searcher, but checks any Next/Advance call against the supplied FilterFunc

func NewFilteringSearcher 

func NewFilteringSearcher(s search.Searcher, filter FilterFunc) *FilteringSearcher

func (*FilteringSearcher) Advance 

func (f *FilteringSearcher) Advance(ctx *search.SearchContext, ID index.IndexInternalID) (*search.DocumentMatch, error)

func (*FilteringSearcher) Close 

func (f *FilteringSearcher) Close() error

func (*FilteringSearcher) Count 

func (f *FilteringSearcher) Count() uint64

func (*FilteringSearcher) DocumentMatchPoolSize 

func (f *FilteringSearcher) DocumentMatchPoolSize() int

func (*FilteringSearcher) Min 

func (f *FilteringSearcher) Min() int

func (*FilteringSearcher) Next 

func (f *FilteringSearcher) Next(ctx *search.SearchContext) (*search.DocumentMatch, error)

func (*FilteringSearcher) SetQueryNorm 

func (f *FilteringSearcher) SetQueryNorm(n float64)

func (*FilteringSearcher) Weight 

func (f *FilteringSearcher) Weight() float64

type MatchAllSearcher 

type MatchAllSearcher struct {
	// contains filtered or unexported fields
}

func NewMatchAllSearcher 

func NewMatchAllSearcher(indexReader index.IndexReader, boost float64, options search.SearcherOptions) (*MatchAllSearcher, error)

func (*MatchAllSearcher) Advance 

func (s *MatchAllSearcher) Advance(ctx *search.SearchContext, ID index.IndexInternalID) (*search.DocumentMatch, error)

func (*MatchAllSearcher) Close 

func (s *MatchAllSearcher) Close() error

func (*MatchAllSearcher) Count 

func (s *MatchAllSearcher) Count() uint64

func (*MatchAllSearcher) DocumentMatchPoolSize 

func (s *MatchAllSearcher) DocumentMatchPoolSize() int

func (*MatchAllSearcher) Min 

func (s *MatchAllSearcher) Min() int

func (*MatchAllSearcher) Next 

func (s *MatchAllSearcher) Next(ctx *search.SearchContext) (*search.DocumentMatch, error)

func (*MatchAllSearcher) SetQueryNorm 

func (s *MatchAllSearcher) SetQueryNorm(qnorm float64)

func (*MatchAllSearcher) Weight 

func (s *MatchAllSearcher) Weight() float64

type MatchNoneSearcher 

type MatchNoneSearcher struct {
	// contains filtered or unexported fields
}

func NewMatchNoneSearcher 

func NewMatchNoneSearcher(indexReader index.IndexReader) (*MatchNoneSearcher, error)

func (*MatchNoneSearcher) Advance 

func (s *MatchNoneSearcher) Advance(ctx *search.SearchContext, ID index.IndexInternalID) (*search.DocumentMatch, error)

func (*MatchNoneSearcher) Close 

func (s *MatchNoneSearcher) Close() error

func (*MatchNoneSearcher) Count 

func (s *MatchNoneSearcher) Count() uint64

func (*MatchNoneSearcher) DocumentMatchPoolSize 

func (s *MatchNoneSearcher) DocumentMatchPoolSize() int

func (*MatchNoneSearcher) Min 

func (s *MatchNoneSearcher) Min() int

func (*MatchNoneSearcher) Next 

func (s *MatchNoneSearcher) Next(ctx *search.SearchContext) (*search.DocumentMatch, error)

func (*MatchNoneSearcher) SetQueryNorm 

func (s *MatchNoneSearcher) SetQueryNorm(qnorm float64)

func (*MatchNoneSearcher) Weight 

func (s *MatchNoneSearcher) Weight() float64

type OrderedSearcherList 

type OrderedSearcherList []search.Searcher

func (OrderedSearcherList) Len 

func (otrl OrderedSearcherList) Len() int

func (OrderedSearcherList) Less 

func (otrl OrderedSearcherList) Less(i, j int) bool

func (OrderedSearcherList) Swap 

func (otrl OrderedSearcherList) Swap(i, j int)

type PhraseSearcher 

type PhraseSearcher struct {
	// contains filtered or unexported fields
}

func NewMultiPhraseSearcher 

func NewMultiPhraseSearcher(indexReader index.IndexReader, terms [][]string, field string, options search.SearcherOptions) (*PhraseSearcher, error)

func NewPhraseSearcher 

func NewPhraseSearcher(indexReader index.IndexReader, terms []string, field string, options search.SearcherOptions) (*PhraseSearcher, error)

func (*PhraseSearcher) Advance 

func (s *PhraseSearcher) Advance(ctx *search.SearchContext, ID index.IndexInternalID) (*search.DocumentMatch, error)

func (*PhraseSearcher) Close 

func (s *PhraseSearcher) Close() error

func (*PhraseSearcher) Count 

func (s *PhraseSearcher) Count() uint64

func (*PhraseSearcher) DocumentMatchPoolSize 

func (s *PhraseSearcher) DocumentMatchPoolSize() int

func (*PhraseSearcher) Min 

func (s *PhraseSearcher) Min() int

func (*PhraseSearcher) Next 

func (s *PhraseSearcher) Next(ctx *search.SearchContext) (*search.DocumentMatch, error)

func (*PhraseSearcher) SetQueryNorm 

func (s *PhraseSearcher) SetQueryNorm(qnorm float64)

func (*PhraseSearcher) Weight 

func (s *PhraseSearcher) Weight() float64

type TermSearcher 

type TermSearcher struct {
	// contains filtered or unexported fields
}

func NewTermSearcher 

func NewTermSearcher(indexReader index.IndexReader, term string, field string, boost float64, options search.SearcherOptions) (*TermSearcher, error)

func NewTermSearcherBytes 

func NewTermSearcherBytes(indexReader index.IndexReader, term []byte, field string, boost float64, options search.SearcherOptions) (*TermSearcher, error)

func (*TermSearcher) Advance 

func (s *TermSearcher) Advance(ctx *search.SearchContext, ID index.IndexInternalID) (*search.DocumentMatch, error)

func (*TermSearcher) Close 

func (s *TermSearcher) Close() error

func (*TermSearcher) Count 

func (s *TermSearcher) Count() uint64

func (*TermSearcher) DocumentMatchPoolSize 

func (s *TermSearcher) DocumentMatchPoolSize() int

func (*TermSearcher) Min 

func (s *TermSearcher) Min() int

func (*TermSearcher) Next 

func (s *TermSearcher) Next(ctx *search.SearchContext) (*search.DocumentMatch, error)

func (*TermSearcher) SetQueryNorm 

func (s *TermSearcher) SetQueryNorm(qnorm float64)

func (*TermSearcher) Weight 

func (s *TermSearcher) Weight() float64

Source Files

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