2018-07-16-tidb-weekly.md

title	date	summary	tags
Weekly update (July 09 ~ July 15, 2018)	2018-07-16	Last week, we landed 30 PRs in the TiDB repositories and 19 PRs in the TiKV and PD repositories.	TiDB TiKV PD

Weekly update in TiDB

Last week, we landed 30 PRs in the TiDB repositories.

Added

• Support BIT_AND/BIT_XOR in the new aggregation framework
• Support COUNT in the new aggregation framework
• Support AVG(DISTINCT) in the new aggregation framework
• Add the GENERATION_EXPRESSION column in information_schema.columns
• Support more syntactic rules regarding the SET syntax
• Support ADMIN SHOW DDL JOBS <NUMBER> to specify the lines of the results
• Support showing AUTO_INCREMENT in information_schema.tables

Fixed

• Fix a bug in INSERT SELECT FROM ON DUPLICATE KEY UPDATE
• Fix the numeric type overflow in the binary protocol
• Fix the results of decimal Minus/Round/Mul

Improved

• Check the schema when the DDL fails
• Refine the explain result format
• Speed up autoAnalyze when data is unchanged

Weekly update in TiKV and PD

Last week, we landed 19 PRs in the TiKV and PD repositories.

Added

• Add new builtin UDFs regexp and regexp_binary
• Introduce the loose channel
• Add options to disable replica-checker features
• Support filtering JSON output by calling the external jq

Fixed

• Fix the unexpected behavior of tikv-ctl unsafe-recover command

Improved

• Report approximate_keys instead of approximate_rows
• Add TiKV adopters and Roadmap
• Update rustc and clippy

New contributor (Thanks!)

docs: brunoban