github
/
halo
mirror of https://github.com/halo-dev/halo
1
0
Fork 0
Code Issues Releases Wiki Activity

Improve the quality of full-text searching result (#3457) 

#### What type of PR is this?

/kind improvement
/area core

#### What this PR does / why we need it:

This PR uses QueryParser to build Query instead of FuzzyQuery to improve the searching result quality.

<img width="930" alt="image" src="https://user-images.githubusercontent.com/16865714/223012862-1decfde8-be81-48d1-a3a9-6601b5fd299a.png">

#### Which issue(s) this PR fixes:

Fixes https://github.com/halo-dev/halo/issues/3234

#### Does this PR introduce a user-facing change?

```release-note
优化搜索查询结果
```
pull/3465/head^2
John Niang 2023-03-07 11:48:13 +08:00 committed by GitHub
parent 062af6fcad
commit 16a83b9e0e
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 6 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
src/main/java/run/halo/app/search/post/LucenePostSearchService.java
View File

@ -23,7 +23,8 @@ import org.apache.lucene.index.DirectoryReader;
import org.apache.lucene.index.IndexWriter; import org.apache.lucene.index.IndexWriter;
import org.apache.lucene.index.IndexWriterConfig; import org.apache.lucene.index.IndexWriterConfig;
import org.apache.lucene.index.Term; import org.apache.lucene.index.Term;
import org.apache.lucene.search.FuzzyQuery; import org.apache.lucene.queryparser.classic.ParseException;
import org.apache.lucene.queryparser.classic.QueryParser;
import org.apache.lucene.search.IndexSearcher; import org.apache.lucene.search.IndexSearcher;
import org.apache.lucene.search.Query; import org.apache.lucene.search.Query;
import org.apache.lucene.search.Sort; import org.apache.lucene.search.Sort;
@ -57,7 +58,7 @@ public class LucenePostSearchService implements PostSearchService, DisposableBea
public LucenePostSearchService(HaloProperties haloProperties) public LucenePostSearchService(HaloProperties haloProperties)
throws IOException { throws IOException {
analyzer = new IKAnalyzer(); analyzer = new IKAnalyzer(true);
var postIdxPath = haloProperties.getWorkDir().resolve("indices/posts"); var postIdxPath = haloProperties.getWorkDir().resolve("indices/posts");
postIndexDir = FSDirectory.open(postIdxPath); postIndexDir = FSDirectory.open(postIdxPath);
} }
@ -79,7 +80,7 @@ public class LucenePostSearchService implements PostSearchService, DisposableBea
var hits = new ArrayList<PostHit>(topDocs.scoreDocs.length); var hits = new ArrayList<PostHit>(topDocs.scoreDocs.length);
for (var scoreDoc : topDocs.scoreDocs) { for (var scoreDoc : topDocs.scoreDocs) {
hits.add(convert(searcher.doc(scoreDoc.doc), highlighter)); hits.add(convert(searcher.storedFields().document(scoreDoc.doc), highlighter));
} }
var result = new SearchResult<PostHit>(); var result = new SearchResult<PostHit>();
@ -132,12 +133,11 @@ public class LucenePostSearchService implements PostSearchService, DisposableBea
} }
private Query buildQuery(String keyword) { private Query buildQuery(String keyword) throws ParseException {
keyword = stripToEmpty(keyword).toLowerCase();
if (log.isDebugEnabled()) { if (log.isDebugEnabled()) {
log.debug("Trying to search for keyword: {}", keyword); log.debug("Trying to search for keyword: {}", keyword);
} }
return new FuzzyQuery(new Term("searchable", keyword)); return new QueryParser("searchable", analyzer).parse(keyword);
} }
private Document convert(PostDoc post) { private Document convert(PostDoc post) {