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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,52 @@ | ||
| --- | ||
| title: TiDB 2.1.15 Release Notes | ||
| category: Releases | ||
| --- | ||
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| # TiDB 2.1.15 Release Notes | ||
|
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| 发版日期：2019 年 7 月 18 日 | ||
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| TiDB 版本：2.1.15 | ||
|
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| TiDB Ansible 版本：2.1.15 | ||
|
|
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| ## TiDB | ||
|
|
||
| + 修复 `DATE_ADD` 函数处理微秒时由于没有对齐导致结果不正确的问题 [#11289](https://github.com/pingcap/tidb/pull/11289) | ||
| + 修复 `DELETE` 语句中，字符串列中的空值与 FLOAT/INT 做比较时会报错的问题 [#11279](https://github.com/pingcap/tidb/pull/11279) | ||
| + 修复 `INSERT` 函数参数有 `NULL` 值时，未正确返回 `NULL` 值的问题 [#11249](https://github.com/pingcap/tidb/pull/11249) | ||
| + 修复在非字符串类型且长度为 0 的列建立索引时出错的问题 [#11215](https://github.com/pingcap/tidb/pull/11215) | ||
| + 新增 `SHOW TABLE REGIONS` 的语句，支持通过 SQL 查询表的 Region 分布情况 [#11238](https://github.com/pingcap/tidb/pull/11238) | ||
| + 修复 `UPDATE … SELECT` 语句因 `SELECT` 子查询未正确解析 `UPDATE` 表达式中的列导致列被错误裁剪的问题 [#11254](https://github.com/pingcap/tidb/pull/11254) | ||
| + 新增 `ADMIN PLUGINS ENABLE/DISABLE` SQL 语句，支持通过 SQL 动态开启/关闭 Plugin [#11189](https://github.com/pingcap/tidb/pull/11189) | ||
| + Audit Plugin 新增审记连接功能 [#11189](https://github.com/pingcap/tidb/pull/11189) | ||
| + 修复点查时，某列被查询多次而且结果为 NULL 时会 Panic 的问题 [#11227](https://github.com/pingcap/tidb/pull/11227) | ||
| + 新增 `tidb_scatter_region` 配置项，控制创建表时是否开启自己打散 Record Region [#11213](https://github.com/pingcap/tidb/pull/11213) | ||
| + 修复 `RAND` 函数由于非线程安全的 `rand.Rand` 导致的 Data Race 问题 [#11170](https://github.com/pingcap/tidb/pull/11170) | ||
| + 修复某些情况下整数和非整数比较结果不正确的问题 [#11191](https://github.com/pingcap/tidb/pull/11191) | ||
| + 支持修改 Database/Table 的 Collate，条件限制为 Database/Table 字符集必须是 UTF8/UTF8MB4 [#11085](https://github.com/pingcap/tidb/pull/11085) | ||
| + 修复 `CURRENT_TIMESTAMP` 作为列的默认值且指定浮点精度时，`SHOW CREATE TABLE` 等语句显示精度不完整的问题 [#11087](https://github.com/pingcap/tidb/pull/11087) | ||
|
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||
| ## TiKV | ||
|
|
||
| + 统一日志格式 [#5083](https://github.com/tikv/tikv/pull/5083) | ||
| + 提高 region approximate size/key 在极端情况下的准确性，提升调度准确度 [#5085](https://github.com/tikv/tikv/pull/5085) | ||
|
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||
| ## PD | ||
|
|
||
| + 统一日志格式 [#1625](https://github.com/pingcap/pd/pull/1625) | ||
|
|
||
| ## Tools | ||
|
|
||
| TiDB Binlog | ||
|
|
||
| + 优化 Pump GC 策略，去掉了未被在线 drainer 消费到的 binlog 保证不清理的限制 [#663](https://github.com/pingcap/tidb-binlog/pull/663) | ||
|
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||
| TiDB Lightning | ||
|
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||
| + 修复 SQL dump 指明的列名不是小写时导入错误的问题 [#210](https://github.com/pingcap/tidb-lightning/pull/210) | ||
|
|
||
| ## TiDB Ansible | ||
|
|
||
| + TiDB Dashboard 新增 `parse duration` 和 `compile duration` 监控项，用于监测 SQL 语句解析耗时和执行计划编译耗时 [#815](https://github.com/pingcap/tidb-ansible/pull/815) |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,52 @@ | ||
| --- | ||
| title: TiDB 2.1.15 Release Notes | ||
| category: Releases | ||
| --- | ||
|
|
||
| # TiDB 2.1.15 Release Notes | ||
|
|
||
| 发版日期：2019 年 7 月 18 日 | ||
|
|
||
| TiDB 版本：2.1.15 | ||
|
|
||
| TiDB Ansible 版本：2.1.15 | ||
|
|
||
| ## TiDB | ||
|
|
||
| + 修复 `DATE_ADD` 函数处理微秒时由于没有对齐导致结果不正确的问题 [#11289](https://github.com/pingcap/tidb/pull/11289) | ||
| + 修复 `DELETE` 语句中，字符串列中的空值与 FLOAT/INT 做比较时会报错的问题 [#11279](https://github.com/pingcap/tidb/pull/11279) | ||
| + 修复 `INSERT` 函数参数有 `NULL` 值时，未正确返回 `NULL` 值的问题 [#11249](https://github.com/pingcap/tidb/pull/11249) | ||
| + 修复在非字符串类型且长度为 0 的列建立索引时出错的问题 [#11215](https://github.com/pingcap/tidb/pull/11215) | ||
| + 新增 `SHOW TABLE REGIONS` 的语句，支持通过 SQL 查询表的 Region 分布情况 [#11238](https://github.com/pingcap/tidb/pull/11238) | ||
| + 修复 `UPDATE … SELECT` 语句因 `SELECT` 子查询未正确解析 `UPDATE` 表达式中的列导致列被错误裁剪的问题 [#11254](https://github.com/pingcap/tidb/pull/11254) | ||
| + 新增 `ADMIN PLUGINS ENABLE/DISABLE` SQL 语句，支持通过 SQL 动态开启/关闭 Plugin [#11189](https://github.com/pingcap/tidb/pull/11189) | ||
| + Audit Plugin 新增审记连接功能 [#11189](https://github.com/pingcap/tidb/pull/11189) | ||
| + 修复点查时，某列被查询多次而且结果为 NULL 时会 Panic 的问题 [#11227](https://github.com/pingcap/tidb/pull/11227) | ||
| + 新增 `tidb_scatter_region` 配置项，控制创建表时是否开启自己打散 Record Region [#11213](https://github.com/pingcap/tidb/pull/11213) | ||
| + 修复 `RAND` 函数由于非线程安全的 `rand.Rand` 导致的 Data Race 问题 [#11170](https://github.com/pingcap/tidb/pull/11170) | ||
| + 修复某些情况下整数和非整数比较结果不正确的问题 [#11191](https://github.com/pingcap/tidb/pull/11191) | ||
| + 支持修改 Database/Table 的 Collate，条件限制为 Database/Table 字符集必须是 UTF8/UTF8MB4 [#11085](https://github.com/pingcap/tidb/pull/11085) | ||
| + 修复 `CURRENT_TIMESTAMP` 作为列的默认值且指定浮点精度时，`SHOW CREATE TABLE` 等语句显示精度不完整的问题 [#11087](https://github.com/pingcap/tidb/pull/11087) | ||
|
|
||
| ## TiKV | ||
|
|
||
| + 统一日志格式 [#5083](https://github.com/tikv/tikv/pull/5083) | ||
| + 提高 region approximate size/key 在极端情况下的准确性，提升调度准确度 [#5085](https://github.com/tikv/tikv/pull/5085) | ||
|
|
||
| ## PD | ||
|
|
||
| + 统一日志格式 [#1625](https://github.com/pingcap/pd/pull/1625) | ||
|
|
||
| ## Tools | ||
|
|
||
| TiDB Binlog | ||
|
|
||
| + 优化 Pump GC 策略，去掉了未被在线 drainer 消费到的 binlog 保证不清理的限制 [#663](https://github.com/pingcap/tidb-binlog/pull/663) | ||
|
|
||
| TiDB Lightning | ||
|
|
||
| + 修复 SQL dump 指明的列名不是小写时导入错误的问题 [#210](https://github.com/pingcap/tidb-lightning/pull/210) | ||
|
|
||
| ## TiDB Ansible | ||
|
|
||
| + TiDB Dashboard 新增 `parse duration` 和 `compile duration` 监控项，用于监测 SQL 语句解析耗时和执行计划编译耗时 [#815](https://github.com/pingcap/tidb-ansible/pull/815) |
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Learn more about bidirectional Unicode characters
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Learn more about bidirectional Unicode characters
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,52 @@ | ||
| --- | ||
| title: TiDB 2.1.15 Release Notes | ||
| category: Releases | ||
| --- | ||
|
|
||
| # TiDB 2.1.15 Release Notes | ||
|
|
||
| 发版日期：2019 年 7 月 18 日 | ||
|
|
||
| TiDB 版本：2.1.15 | ||
|
|
||
| TiDB Ansible 版本：2.1.15 | ||
|
|
||
| ## TiDB | ||
|
|
||
| + 修复 `DATE_ADD` 函数处理微秒时由于没有对齐导致结果不正确的问题 [#11289](https://github.com/pingcap/tidb/pull/11289) | ||
| + 修复 `DELETE` 语句中，字符串列中的空值与 FLOAT/INT 做比较时会报错的问题 [#11279](https://github.com/pingcap/tidb/pull/11279) | ||
| + 修复 `INSERT` 函数参数有 `NULL` 值时，未正确返回 `NULL` 值的问题 [#11249](https://github.com/pingcap/tidb/pull/11249) | ||
| + 修复在非字符串类型且长度为 0 的列建立索引时出错的问题 [#11215](https://github.com/pingcap/tidb/pull/11215) | ||
| + 新增 `SHOW TABLE REGIONS` 的语句，支持通过 SQL 查询表的 Region 分布情况 [#11238](https://github.com/pingcap/tidb/pull/11238) | ||
| + 修复 `UPDATE … SELECT` 语句因 `SELECT` 子查询未正确解析 `UPDATE` 表达式中的列导致列被错误裁剪的问题 [#11254](https://github.com/pingcap/tidb/pull/11254) | ||
| + 新增 `ADMIN PLUGINS ENABLE/DISABLE` SQL 语句，支持通过 SQL 动态开启/关闭 Plugin [#11189](https://github.com/pingcap/tidb/pull/11189) | ||
| + Audit Plugin 新增审记连接功能 [#11189](https://github.com/pingcap/tidb/pull/11189) | ||
| + 修复点查时，某列被查询多次而且结果为 NULL 时会 Panic 的问题 [#11227](https://github.com/pingcap/tidb/pull/11227) | ||
| + 新增 `tidb_scatter_region` 配置项，控制创建表时是否开启自己打散 Record Region [#11213](https://github.com/pingcap/tidb/pull/11213) | ||
| + 修复 `RAND` 函数由于非线程安全的 `rand.Rand` 导致的 Data Race 问题 [#11170](https://github.com/pingcap/tidb/pull/11170) | ||
| + 修复某些情况下整数和非整数比较结果不正确的问题 [#11191](https://github.com/pingcap/tidb/pull/11191) | ||
| + 支持修改 Database/Table 的 Collate，条件限制为 Database/Table 字符集必须是 UTF8/UTF8MB4 [#11085](https://github.com/pingcap/tidb/pull/11085) | ||
| + 修复 `CURRENT_TIMESTAMP` 作为列的默认值且指定浮点精度时，`SHOW CREATE TABLE` 等语句显示精度不完整的问题 [#11087](https://github.com/pingcap/tidb/pull/11087) | ||
|
|
||
| ## TiKV | ||
|
|
||
| + 统一日志格式 [#5083](https://github.com/tikv/tikv/pull/5083) | ||
| + 提高 region approximate size/key 在极端情况下的准确性，提升调度准确度 [#5085](https://github.com/tikv/tikv/pull/5085) | ||
|
|
||
| ## PD | ||
|
|
||
| + 统一日志格式 [#1625](https://github.com/pingcap/pd/pull/1625) | ||
|
|
||
| ## Tools | ||
|
|
||
| TiDB Binlog | ||
|
|
||
| + 优化 Pump GC 策略，去掉了未被在线 drainer 消费到的 binlog 保证不清理的限制 [#663](https://github.com/pingcap/tidb-binlog/pull/663) | ||
|
|
||
| TiDB Lightning | ||
|
|
||
| + 修复 SQL dump 指明的列名不是小写时导入错误的问题 [#210](https://github.com/pingcap/tidb-lightning/pull/210) | ||
|
|
||
| ## TiDB Ansible | ||
|
|
||
| + TiDB Dashboard 新增 `parse duration` 和 `compile duration` 监控项，用于监测 SQL 语句解析耗时和执行计划编译耗时 [#815](https://github.com/pingcap/tidb-ansible/pull/815) |
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