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feat: site全面更新 + CONTRIBUTING/CHANGELOG完善,准备v0.1.13迭代
2026-07-26 16:13:34 +08:00

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# Changelog
All notable changes to MetonaSqlark will be documented in this file.
## [0.1.12] - 2026-07-26
### Added
- `MeSqlark` 别名导出,与 `MetonaSqlark` 完全等价
- `metona-sqlark.cjs.js` CommonJS 构建产物
- 完善的 `where-matcher.ts` 消除 220+ 行重复代码
- `$col` 列引用支持 JOIN ON 条件
- `$and/$or` 嵌套支持(字段级 + 顶层)
- `$not` 逻辑非操作符
- `$like` 正则缓存加速
- `projectColumns` 列投影支持 `table.column` 格式
- `DISTINCT` 去重支持(O(n) 时间,列值拼接优化)
- 测试覆盖率提升至 93.46%(264 测试/15 套件)
### Changed
- `where-matcher` 统一 MemoryEngine / IndexedDBEngine / Executor 的 WHERE 逻辑
- JOIN ON 匹配支持 `$col` 语法
- LIKE 正则改为缓存式编译
- Executor DISTINCT 用列值拼接代替 JSON.stringify
- JOIN 嵌套循环连接优化:避免 ON 时对象扩散
### Fixed
- IndexedDBEngine `update/delete` 方法正确同步内存缓存
- OPFSEngine `getTableNames` 兼容 `entries()` 返回值
- SQL Parser 正确处理字符串转义字符
- SQL Parser 正确处理表别名(无 AS 关键字)
- SQL Parser 解析 `IS NULL` / `IS NOT NULL` / `NOT LIKE`
- `peekTokenIs` 方法正确暴露给语法分析
- 多处边界条件空值/假值处理
---
## [0.1.11] - 2026-07-25
### Added
- React 集成 hooks: `useQuery`, `useTable`, `useDatabase`
- Vue 集成 composables: `useSqlarkQuery`, `useSqlarkTable`, `useSqlarkDatabase`
- 发布订阅系统: `subscribe()`, `emit()`
- 数据迁移系统: `addMigration()`, `migrateTo()`
- 导入导出: `exportTable()`, `exportAll()`, `importTable()`
- 完整 SQL 解析器: `Lexer` + `Parser`(递归下降)
- SQL 支持: SELECT, INSERT, UPDATE, DELETE, CREATE TABLE, DROP TABLE
- JOIN 支持: INNER, LEFT, RIGHT, CROSS
- GROUP BY + HAVING + 聚合函数 (COUNT, SUM, AVG, MIN, MAX)
- DISTINCT, ORDER BY, LIMIT, OFFSET
- WHERE 条件: AND, OR, NOT, IN, LIKE, IS NULL
- Query Builder 链式 API: `select().where().orderBy().limit().execute()`
- 插件系统: 14 种生命周期钩子 + PluginManager
- Metadata 系统: ColumnDef 完整约束 (type/primaryKey/required/unique/index/default/references/maxLength/min/max)
### Changed
- 架构重构为分层设计:Engine → QueryExecutor → Table/QueryBuilder → SQL Parser → Public API
- AST 作为统一中间表示,SQL 和 QueryBuilder 行为完全一致
- 测试框架完善:core / edge / groupby / join / query-system / sql / table / engine / transaction / plugin / hybrid 全覆盖
---
## [0.0.1] - 2026-07-24
### Added
- 初始项目骨架
- TypeScript 配置(严格模式)
- Rollup 构建(UMD / ESM / CJS / min / .d.ts
- Jest + jsdom 测试环境
- ESLint + @typescript-eslint
- Gitea Actions CI 工作流
- 示例站点(index / demo / docs
- 构建脚本 build.sh