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authorGravatar Vitaly Takmazov2020-06-05 11:20:38 +0300
committerGravatar Vitaly Takmazov2020-06-05 11:20:38 +0300
commitc571ab6ad8c215cae54c17a454ec8f84b24ba1b5 (patch)
tree1e8e857429cb3d5e8eabd626fb923bab9283b1e6 /src/main/java/com/juick/service
parentdde18e12688a47f81cb7c4336901008158a3637e (diff)
Use best-match ranker for one word queries
Diffstat (limited to 'src/main/java/com/juick/service')
-rw-r--r--src/main/java/com/juick/service/SphinxSearchService.java13
1 files changed, 8 insertions, 5 deletions
diff --git a/src/main/java/com/juick/service/SphinxSearchService.java b/src/main/java/com/juick/service/SphinxSearchService.java
index 1553e22f..aa62ddda 100644
--- a/src/main/java/com/juick/service/SphinxSearchService.java
+++ b/src/main/java/com/juick/service/SphinxSearchService.java
@@ -43,12 +43,12 @@ public class SphinxSearchService extends BaseJdbcService implements SearchServic
@Inject
UserService userService;
- public String sortHint(String searchString) {
- return "extended:@weight desc, @id desc";
+ boolean isOneWord(String searchString) {
+ return searchString.split("[^\\S\\+]+").length == 1;
}
+
public String keywordBoost(String searchString) {
- boolean isOneWord = searchString.split("[^\\S\\+]+").length == 1;
- return isOneWord ? String.format("%s^3", searchString) : searchString;
+ return isOneWord(searchString) ? String.format("%s^3", searchString) : searchString;
}
@Override
@@ -59,9 +59,12 @@ public class SphinxSearchService extends BaseJdbcService implements SearchServic
Map<String, String> sphinxQuery = new HashMap<>();
sphinxQuery.put("limit", String.valueOf(maxResult));
sphinxQuery.put("mode", "any");
- sphinxQuery.put("sort", sortHint(searchString));
+ sphinxQuery.put("sort", "extended:@weight desc, @id desc");
String usersFilter = userService.getUserBLUsers(visitor.getUid()).stream().map(u -> String.valueOf(u.getUid())).collect(Collectors.joining(","));
sphinxQuery.put("!filter", "user_id," + usersFilter);
+ if (isOneWord(searchString)) {
+ sphinxQuery.put("ranker", "bm25");
+ }
if (page > 0) {
sphinxQuery.put("offset", String.valueOf(page * maxResult));
}