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Make issue and code search support camel case (#22829)
Fixes #22714 ### Changes: 1. Add a token filter which named "camelCase" between custom unicode token filter and "to_lower" token filter when add custom analyzer. ### Notice: If users want this feature to work, they should delete folder under {giteaPath}/data/indexers and restart application. Then application will create a new IndexMapping. ### Screenshots: ![image](https://user-images.githubusercontent.com/33891828/217715692-c18c41f2-57a1-4727-861c-470935c8e0c8.png) ### Others: I originally attempted to give users the ability to configure the "token_filters" in the "app.ini" file. But I found that if users does not strictly follow a right order to register "token_filters", they won't get the expected results. I think it is difficult to ask users to do this. So I finally give up this idea. --------- Co-authored-by: Jason Song <i@wolfogre.com> Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>
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2 changed files with 6 additions and 4 deletions
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@ -27,6 +27,7 @@ import (
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"github.com/blevesearch/bleve/v2"
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analyzer_custom "github.com/blevesearch/bleve/v2/analysis/analyzer/custom"
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analyzer_keyword "github.com/blevesearch/bleve/v2/analysis/analyzer/keyword"
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"github.com/blevesearch/bleve/v2/analysis/token/camelcase"
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"github.com/blevesearch/bleve/v2/analysis/token/lowercase"
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"github.com/blevesearch/bleve/v2/analysis/token/unicodenorm"
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"github.com/blevesearch/bleve/v2/analysis/tokenizer/unicode"
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@ -107,7 +108,7 @@ func (d *RepoIndexerData) Type() string {
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const (
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repoIndexerAnalyzer = "repoIndexerAnalyzer"
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repoIndexerDocType = "repoIndexerDocType"
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repoIndexerLatestVersion = 5
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repoIndexerLatestVersion = 6
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)
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// createBleveIndexer create a bleve repo indexer if one does not already exist
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@ -138,7 +139,7 @@ func createBleveIndexer(path string, latestVersion int) (bleve.Index, error) {
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"type": analyzer_custom.Name,
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"char_filters": []string{},
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"tokenizer": unicode.Name,
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"token_filters": []string{unicodeNormalizeName, lowercase.Name},
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"token_filters": []string{unicodeNormalizeName, camelcase.Name, lowercase.Name},
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}); err != nil {
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return nil, err
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}
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@ -15,6 +15,7 @@ import (
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"github.com/blevesearch/bleve/v2"
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"github.com/blevesearch/bleve/v2/analysis/analyzer/custom"
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"github.com/blevesearch/bleve/v2/analysis/token/camelcase"
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"github.com/blevesearch/bleve/v2/analysis/token/lowercase"
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"github.com/blevesearch/bleve/v2/analysis/token/unicodenorm"
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"github.com/blevesearch/bleve/v2/analysis/tokenizer/unicode"
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@ -27,7 +28,7 @@ import (
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const (
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issueIndexerAnalyzer = "issueIndexer"
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issueIndexerDocType = "issueIndexerDocType"
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issueIndexerLatestVersion = 1
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issueIndexerLatestVersion = 2
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)
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// indexerID a bleve-compatible unique identifier for an integer id
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@ -134,7 +135,7 @@ func createIssueIndexer(path string, latestVersion int) (bleve.Index, error) {
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"type": custom.Name,
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"char_filters": []string{},
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"tokenizer": unicode.Name,
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"token_filters": []string{unicodeNormalizeName, lowercase.Name},
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"token_filters": []string{unicodeNormalizeName, camelcase.Name, lowercase.Name},
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}); err != nil {
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return nil, err
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}
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