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readme, releases: add 2.0.7 release notes (pingcap#603)
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* releases, readme: add the release notes for 2.1 RC1

* Revert "releases, readme: add the release notes for 2.1 RC1"

This reverts commit 5d7d5b8.

* readme, releases: add 2.0.7 release notes
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CaitinChen authored and lilin90 committed Sep 7, 2018
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1 change: 1 addition & 0 deletions README.md
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- [Frequently Asked Questions (FAQ)](FAQ.md)
- [TiDB Best Practices](https://pingcap.github.io/blog/2017/07/24/tidbbestpractice/)
+ [Releases](releases/rn.md)
- [2.0.7](releases/207.md)
- [2.1 RC1](releases/21rc1.md)
- [2.0.6](releases/206.md)
- [2.0.5](releases/205.md)
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37 changes: 37 additions & 0 deletions releases/207.md
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---
title: TiDB 2.0.7 Release Notes
category: Releases
---

# TiDB 2.0.7 Release Notes

On September 7, 2018, TiDB 2.0.7 is released. Compared with TiDB 2.0.6, this release has great improvement in system compatibility and stability.

## TiDB

- New Feature
- Add the `PROCESSLIST` table in `information_schema` [#7286](https://github.com/pingcap/tidb/pull/7286)
- Improvement
- Collect more details about SQL statement execution and output the information in the `SLOW QUERY` log [#7364](https://github.com/pingcap/tidb/pull/7364)
- Drop the partition information in `SHOW CREATE TABLE` [#7388](https://github.com/pingcap/tidb/pull/7388)
- Improve the execution efficiency of the `ANALYZE` statement by setting it to the RC isolation level and low priority [#7500](https://github.com/pingcap/tidb/pull/7500)
- Speed up adding a unique index [#7562](https://github.com/pingcap/tidb/pull/7562)
- Add an option of controlling the DDL concurrency [#7563](https://github.com/pingcap/tidb/pull/7563)
- Bug Fixes
- Fix the issue that `USE INDEX(PRIMARY)` cannot be used in a table whose primary key is an integer [#7298](https://github.com/pingcap/tidb/pull/7298)
- Fix the issue that `Merge Join` and `Index Join` output incorrect results when the inner row is `NULL` [#7301](https://github.com/pingcap/tidb/pull/7301)
- Fix the issue that `Join` outputs an incorrect result when the chunk size is set too small [#7315](https://github.com/pingcap/tidb/pull/7315)
- Fix the panic issue caused by a statement of creating a table involving `range column` [#7379](https://github.com/pingcap/tidb/pull/7379)
- Fix the issue that `admin check table` mistakenly reports an error of a time-type column [#7457](https://github.com/pingcap/tidb/pull/7457)
- Fix the issue that the data with a default value `current_timestamp` cannot be queried using the `=` condition [#7467](https://github.com/pingcap/tidb/pull/7467)
- Fix the issue that the zero-length parameter inserted by using the `ComStmtSendLongData` command is mistakenly parsed to NULL [#7508](https://github.com/pingcap/tidb/pull/7508)
- Fix the issue that `auto analyze` is repeatedly executed in specific scenarios [#7556](https://github.com/pingcap/tidb/pull/7556)
- Fix the issue that the parser cannot parse a single line comment ended with a newline character [#7635](https://github.com/pingcap/tidb/pull/7635)

## TiKV

- Improvement
- Open the `dynamic-level-bytes` parameter in an empty cluster by default, to reduce space amplification
- Bug Fix
- Update `approximate size` and `approximate keys count` of a Region after Region merging

1 change: 1 addition & 0 deletions releases/rn.md
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# TiDB Release Notes

- [2.0.7](207.md)
- [2.1 RC1](21rc1.md)
- [2.0.6](206.md)
- [2.0.5](205.md)
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