mirror of
https://github.com/go-gitea/gitea
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b0f7457d9e
* Improve issue indexer * Fix new issue sqlite bug * Different test indexer paths for each db * Add integration indexer paths to make clean
78 lines
2.0 KiB
Go
Vendored
78 lines
2.0 KiB
Go
Vendored
// 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 query
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import (
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"github.com/blevesearch/bleve/index"
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"github.com/blevesearch/bleve/mapping"
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"github.com/blevesearch/bleve/search"
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"github.com/blevesearch/bleve/search/searcher"
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)
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type FuzzyQuery struct {
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Term string `json:"term"`
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Prefix int `json:"prefix_length"`
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Fuzziness int `json:"fuzziness"`
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FieldVal string `json:"field,omitempty"`
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BoostVal *Boost `json:"boost,omitempty"`
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}
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// NewFuzzyQuery creates a new Query which finds
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// documents containing terms within a specific
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// fuzziness of the specified term.
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// The default fuzziness is 1.
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//
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// The current implementation uses Levenshtein edit
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// distance as the fuzziness metric.
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func NewFuzzyQuery(term string) *FuzzyQuery {
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return &FuzzyQuery{
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Term: term,
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Fuzziness: 1,
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}
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}
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func (q *FuzzyQuery) SetBoost(b float64) {
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boost := Boost(b)
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q.BoostVal = &boost
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}
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func (q *FuzzyQuery) Boost() float64 {
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return q.BoostVal.Value()
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}
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func (q *FuzzyQuery) SetField(f string) {
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q.FieldVal = f
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}
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func (q *FuzzyQuery) Field() string {
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return q.FieldVal
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}
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func (q *FuzzyQuery) SetFuzziness(f int) {
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q.Fuzziness = f
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}
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func (q *FuzzyQuery) SetPrefix(p int) {
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q.Prefix = p
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}
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func (q *FuzzyQuery) Searcher(i index.IndexReader, m mapping.IndexMapping, options search.SearcherOptions) (search.Searcher, error) {
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field := q.FieldVal
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if q.FieldVal == "" {
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field = m.DefaultSearchField()
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}
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return searcher.NewFuzzySearcher(i, q.Term, q.Prefix, q.Fuzziness, field, q.BoostVal.Value(), options)
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}
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