From 5a2be87f658d01bc5b3b7ecdba92ac69bf09dcf7 Mon Sep 17 00:00:00 2001
From: ai_xiaopei <xiaopei@aisim.cn>
Date: Thu, 03 Sep 2026 15:15:37 +0800
Subject: [PATCH] fix(search): 搜索准确性四连修——FTS5 MATCH 引号包裹(连字符不再被解析成 MINUS)；KeywordSearch 截断按命中关键词数排序(高频 bigram 不再挤出强相关文档)；原词奖励档(完整短语压过泛化 bigram)；tags 字段真实参与评分(此前误用 Section)
---
internal/index/sqlite.go | 12 +++++++++---
1 files changed, 9 insertions(+), 3 deletions(-)
diff --git a/internal/index/sqlite.go b/internal/index/sqlite.go
index 77cbb56..043d483 100644
--- a/internal/index/sqlite.go
+++ b/internal/index/sqlite.go
@@ -156,9 +156,15 @@
for rows.Next() {
var st FileStat
var hash sql.NullString
- if err := rows.Scan(&st.Path, &st.Size, &st.Mtime, &hash); err != nil {
+ var size, mtime sql.NullInt64
+ // 旧库迁移到 v2 后，老行的 size/mtime/content_hash 为 NULL（ALTER ADD COLUMN 不带值）。
+ // 用 Null 类型容忍 NULL：指纹缺失的行在对账时 size/mtime 必然不等，会走
+ // sha256 二次确认并重新写入指纹，实现自愈，不会误判为"未变更"。
+ if err := rows.Scan(&st.Path, &size, &mtime, &hash); err != nil {
return nil, err
}
+ st.Size = size.Int64
+ st.Mtime = mtime.Int64
st.ContentHash = hash.String
m[st.Path] = st
}
@@ -482,7 +488,7 @@
visited[id] = true
query := `
- SELECT id, from_node, to_node, relation, label
+ SELECT id, from_node, to_node, relation, label, provenance
FROM edges
WHERE from_node = ?
`
@@ -501,7 +507,7 @@
for rows.Next() {
var e graph.Edge
var edgeID int64
- if err := rows.Scan(&edgeID, &e.FromNode, &e.ToNode, &e.Relation, &e.Label); err != nil {
+ if err := rows.Scan(&edgeID, &e.FromNode, &e.ToNode, &e.Relation, &e.Label, &e.Provenance); err != nil {
rows.Close()
return nil, fmt.Errorf("扫描边失败: %w", err)
}
--
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