release_notes.md

+++
date = "2016-02-05T17:03:18+08:00"
title = "Release Notes"
weight = 1
+++

# Release Notes

## 1.2.2-SNAPSHOT

### 功能提升

1. [ISSUE #82](https://github.com/dangdangdotcom/sharding-jdbc/issues/82) TableRule可传入dataSourceName属性，用于指定该TableRule对应的数据源

### 缺陷修正

1. [ISSUE #81](https://github.com/dangdangdotcom/sharding-jdbc/issues/81) 关联表查询使用or查询条件解析结果异常

## 1.2.1

### 结构调整

1. [ISSUE #60](https://github.com/dangdangdotcom/sharding-jdbc/issues/60) API调整，抽离ShardingDataSource，使用工厂代替
1. [ISSUE #76](https://github.com/dangdangdotcom/sharding-jdbc/issues/76) ShardingRule和TableRule调整为Builder模式
1. [ISSUE #77](https://github.com/dangdangdotcom/sharding-jdbc/issues/77) ShardingRule和TableRule调整为Builder模式

### 功能提升

1. [ISSUE #61](https://github.com/dangdangdotcom/sharding-jdbc/issues/61) 在ShardingValue类中加入逻辑表名
1. [ISSUE #66](https://github.com/dangdangdotcom/sharding-jdbc/issues/66) 在JDBC层的Statement增加对get/set MaxFieldSize，MaxRows和QueryTimeout的支持
1. [ISSUE #72](https://github.com/dangdangdotcom/sharding-jdbc/issues/72) 对于select union all形式的批量插入支持
1. [ISSUE #78](https://github.com/dangdangdotcom/sharding-jdbc/issues/78) 简化只分库配置，无需配置逻辑表和真实表对应关系
1. [ISSUE #80](https://github.com/dangdangdotcom/sharding-jdbc/issues/80) 简化包含不分片库表的配置，可指定默认数据源，不分片无需配置TableRule

### 缺陷修正

1. [ISSUE #63](https://github.com/dangdangdotcom/sharding-jdbc/issues/63) ORDER BY与GROUP BY衍生列未添加表名或表别名
1. [ISSUE #65](https://github.com/dangdangdotcom/sharding-jdbc/issues/65) 解析条件上下文性能提升
1. [ISSUE #67](https://github.com/dangdangdotcom/sharding-jdbc/issues/67) 分片路由到多表时柔性事务日志无法删除
1. [ISSUE #71](https://github.com/dangdangdotcom/sharding-jdbc/issues/71) 路由单分片LIMIT的OFFSET计算错误
1. [ISSUE #75](https://github.com/dangdangdotcom/sharding-jdbc/issues/75) MemoryTransactionLogStorage重试次数更新并发问题

## 1.2.0

### 新功能

1. [ISSUE #53](https://github.com/dangdangdotcom/sharding-jdbc/issues/53) 动态表配置
1. [ISSUE #58](https://github.com/dangdangdotcom/sharding-jdbc/issues/58) 柔性事务：最大努力送达型初始版本

### 结构调整

1. [ISSUE #49](https://github.com/dangdangdotcom/sharding-jdbc/issues/49) 调整属性配置
1. [ISSUE #51](https://github.com/dangdangdotcom/sharding-jdbc/issues/51) 重构Hint接口

### 缺陷修正

1. [ISSUE #43](https://github.com/dangdangdotcom/sharding-jdbc/issues/43) yaml文件中包含中文，且操作系统模式不是utf-8编码导致的yaml不能解析
1. [ISSUE #48](https://github.com/dangdangdotcom/sharding-jdbc/issues/48) yaml文件读取后未关闭
1. [ISSUE #57](https://github.com/dangdangdotcom/sharding-jdbc/issues/57) SQL解析子查询改进

## 1.1.0

### 新功能

1. [ISSUE #40](https://github.com/dangdangdotcom/sharding-jdbc/issues/40) 支持YAML文件配置
1. [ISSUE #41](https://github.com/dangdangdotcom/sharding-jdbc/issues/41) 支持Spring命名空间配置
1. [ISSUE #42](https://github.com/dangdangdotcom/sharding-jdbc/issues/42) 支持inline表达式配置

### 缺陷修正

1. [ISSUE #25](https://github.com/dangdangdotcom/sharding-jdbc/issues/25) OR表达式下会出现重复结果问题

## 1.0.1

### 功能提升

1. [ISSUE #39](https://github.com/dangdangdotcom/sharding-jdbc/issues/39) 增加使用暗示(Hint)方式注册分片键值的方式进行SQL路由的功能

### 缺陷修正

1. [ISSUE #11](https://github.com/dangdangdotcom/sharding-jdbc/issues/11) count函数在某些情况下返回不正确
1. [ISSUE #13](https://github.com/dangdangdotcom/sharding-jdbc/issues/13) Insert 语句 没有写列名 进行了全路由
1. [ISSUE #16](https://github.com/dangdangdotcom/sharding-jdbc/issues/16) 改造多线程执行模型
1. [ISSUE #18](https://github.com/dangdangdotcom/sharding-jdbc/issues/18) 查询Count时，使用getObject()取数会报异常
1. [ISSUE #19](https://github.com/dangdangdotcom/sharding-jdbc/issues/19) sum和avg函数，不加别名不执行merger，加了空指针异常
1. [ISSUE #38](https://github.com/dangdangdotcom/sharding-jdbc/issues/38) JPA与Sharding-JDBC的兼容问题。JPA会自动增加SELECT的列别名，导致ORDER BY只能通过别名，而非列名称获取ResultSet的数据。

## 1.0.0
1. 初始版本。