2018-07-30-tidb-weekly.md

title	date	summary	tags
Weekly update (July 23 ~ July 29, 2018)	2018-07-30	Last week, we landed 43 PRs in the TiDB repositories, 6 PRs in the TiSpark repositories, and 17 PRs in the TiKV and PD repositories.	TiDB TiKV PD TiSpark

Weekly update in TiDB

Last week, we landed 43 PRs in the TiDB repositories.

Added

• Add the sum_decimal method for AggFunc
• Support truncating and dropping partitioned tables
• Implement the reorganization of table partition when adding the index

Fixed

• Fix a bug that the bit and year column types are not supported when a partition table is created
• Fix a bug in the decimal modulo operation
• Refactor the code of building Insert
• Fix a panic caused by the outdated feedback
• Fix a panic that is upgraded from the old version TiDB
• Fix a bug that null values cannot be found using the unique index

Improved

• Add the partition function check when creating a partition table
• Provide preliminary support for the parallel DDL operation
• Use feedback timely
• Optimize DecodeRowKey
• Remove the types.Row interface
• Pass row pointer rather than row to avoid convertT2I

Weekly update in TiSpark

Last week, we landed 6 PRs in the TiSpark repositories.

Fixed

• Fix a decimal decoding bug

Weekly update in TiKV and PD

Last week, we landed 17 PRs in the TiKV and PD repositories.

Added

• Support encoding and decoding a Chunk
• Introduce a version check mechanism
• Add thread I/O metrics
• Add a document about the PD API

Fixed

• Fix a bug in AdjacentRegionScheduler

Improved

• Keep the number of operators generated by HotRegionScheduler within the schedule limit
• Stop searching in get_txn_commit_info
• Check the legality of the label
• Escape key in Error
• Refine the task log in raftstore

New contributor (Thanks!)

• tidb: laidahe