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fix: 存储引擎回归 AriaEngine — sqlark 0.4.4 修复 SSTable 大 value 编码缺陷

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- 0.4.4 引入 v2 格式（magic SSTC）：u32 长度字段（修复 u16 截断 >64KB value）
  + UTF-8 字节精确估算（修复块大小低估导致写入越界）+ 超大条目独立成块
- 真实 Chromium 实测：300KB 中文内容写入 → close → 重启 → 读回数据完好，5 轮零失败
- schema.ts 切回 aria（version 0 + aria- 前缀内部库名）
This commit is contained in:
thzxx
2026-08-09 21:54:04 +08:00
parent b814114ff0
commit cb243c5c95
4 changed files with 16 additions and 16 deletions
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docs/metona-sqlark-demo.html
+4 -4
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@@ -3,7 +3,7 @@
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>🧪 在线演示 — MetonaSqlark v0.4.3</title>
<title>🧪 在线演示 — MetonaSqlark v0.4.4</title>
<link rel="icon" href="data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 32 32'><rect width='32' height='32' rx='8' fill='%236366f1'/><text x='16' y='22' text-anchor='middle' font-size='20' fill='white'>◈</text></svg>">
<style>
:root {
@@ -84,7 +84,7 @@
<a href="demo.html" class="nav-active">演示</a>
<a href="benchmark.html">基准</a>
</nav>
<div class="status"><span class="dot" id="engine-dot"></span> <span id="engine-status">Memory</span> 模式 — v0.4.3</div>
<div class="status"><span class="dot" id="engine-dot"></span> <span id="engine-status">Memory</span> 模式 — v0.4.4</div>
<button class="btn btn-preset" onclick="switchEngine('memory')" id="btn-memory" style="margin:6px 4px 6px 0;padding:6px 12px;">⚡ Memory</button>
<button class="btn btn-preset" onclick="switchEngine('aria')" id="btn-aria" style="margin:6px 0;padding:6px 12px;color:#ec4899;border-color:#ec4899;">🌲 Aria</button>
</header>
@@ -92,7 +92,7 @@
<div class="main">
<div class="editor-panel">
<div class="editor-area">
<textarea id="sql-input" placeholder="输入 SQL 语句...&#10;&#10;SELECT * FROM users;&#10;INSERT INTO users VALUES ('4', 'Diana', 'diana@test.com', 28);&#10;SELECT u.name, o.amount FROM users u INNER JOIN orders o ON u.id = o.user_id;">-- 🚀 MetonaSqlark v0.4.3 在线演示
<textarea id="sql-input" placeholder="输入 SQL 语句...&#10;&#10;SELECT * FROM users;&#10;INSERT INTO users VALUES ('4', 'Diana', 'diana@test.com', 28);&#10;SELECT u.name, o.amount FROM users u INNER JOIN orders o ON u.id = o.user_id;">-- 🚀 MetonaSqlark v0.4.4 在线演示
-- 已预置 users / orders / products 表数据
-- 新特性: ALTER TABLE · TRUNCATE TABLE · WAL同步 · MVCC · SQL注入防护
@@ -554,7 +554,7 @@ SELECT COUNT(*) as total FROM temp_logs;
-- 清理
DROP TABLE temp_logs;`,
aria: `-- 🌲 AriaEngine 演示 (v0.4.3)
aria: `-- 🌲 AriaEngine 演示 (v0.4.4)
-- 点击右上角「🌲 Aria」按钮切换数据库引擎到 AriaEngine
-- 当前数据库即运行在 Aria 引擎上（LSM-Tree · WAL 崩溃恢复 · MVCC · BloomFilter）
-- 基础 CRUD 与 Memory 引擎完全兼容