Weekly update in TiDB

Last two weeks, we landed 25 PRs in the TiDB repository.

Added

• Add the tidb_indexes table in infoschema

Improved

• Enable the any_value function in aggregation if ONLY_FULL_GROUP_BY is set
• Improve the compatibility of the format function with MySQL
• Support the JSON type for the COALESCE built-in function
• Rewrite the exact like expression to the equal condition
• Derive the col is not null condition from col op col

Fixed

• Create a new slice when cloning arguments of baseFuncDesc
• Handle Float32 for the values built-in function
• Fix precision when casting a float to a string

Weekly update in TiSpark

Last two weeks, we landed 2 PRs in the TiSpark repository.

Added

• Support using TiDB as a meta store

Fixed

• Fix the timestamp consistency issue

Weekly update in TiKV and PD

Last two weeks, we landed 23 PRs in the TiKV and PD repositories.

Improved

• Configure criterion from TiKV command line arguments
• Enlarge max-manifest-file-size to 128MB
• Make PD Region commands support jq

Fixed

• Revert updating to the latest version of etcd
• Do not return a retriable error when TiKV is closing
• Upgrade to Rust 2018
• Disable procinfo on the non-Linux platform

New contributors (Thanks!)

tidb:

• caohe
• tender-boluo

pd:

• fredchenbj