release: v0.4.2 — 生产就绪与崩溃自愈 + 问题清单修复 + 版本迭代

tests/sql-ext2.test.ts

@@ -287,16 +287,15 @@ describe('[v0.3.1] WAL 批量组提交', () => {
     await db.defineTable('users', { id: { type: 'string', primaryKey: true }, name: { type: 'string' } });
 
     const engine = db.getEngine() as any;
-    let before = 0;
-    const origRead = engine.backend.read.bind(engine.backend);
-    // 统计 __wal_ 写入次数
+    // v0.4.2: WAL 记录与 count 改用 writeMany 单事务原子写入（记录仍合并为 1 次落盘）
+    const origWriteMany = engine.backend.writeMany.bind(engine.backend);
     const origWrite = engine.backend.write.bind(engine.backend);
     let walWrites = 0;
-    engine.backend.write = async (key: string, data: ArrayBuffer) => {
-      if (key.startsWith('__wal_') && !key.startsWith('__wal_count')) walWrites++;
-      return origWrite(key, data);
+    engine.backend.writeMany = async (entries: Record<string, ArrayBuffer>) => {
+      const keys = Object.keys(entries);
+      if (keys.some((k) => k.startsWith('__wal_') && !k.startsWith('__wal_count'))) walWrites++;
+      return origWriteMany(entries);
     };
-    void before; void origRead;
 
     await db.table('users').insertMany([
       { id: '1', name: 'A' },
@@ -305,7 +304,8 @@ describe('[v0.3.1] WAL 批量组提交', () => {
       { id: '4', name: 'D' },
     ]);
 
-    expect(walWrites).toBe(1); // 4 行 1 次 WAL 写入
+    expect(walWrites).toBe(1); // 4 行合并为 1 次 WAL 落盘
+    void origWrite;
     const rows = await db.query('SELECT * FROM users') as Record<string, unknown>[];
     expect(rows).toHaveLength(4);
     await db.close();