release-1.0.6.md

title	aliases
TiDB 1.0.6 Release Notes	/docs/dev/releases/release-1.0.6/ /docs/dev/releases/106/

TiDB 1.0.6 Release Notes

On January 08, 2018, TiDB 1.0.6 is released with the following updates:

TiDB

• Support the Alter Table Auto_Increment syntax
• Fix the bug in Cost Based computation and the Null Json issue in statistics
• Support the extension syntax to shard the implicit row ID to avoid write hot spot for a single table
• Fix a potential DDL issue
• Consider the timezone setting in the curtime, sysdate and curdate functions
• Support the SEPARATOR syntax in the GROUP_CONCAT function
• Fix the wrong return type issue of the GROUP_CONCAT function.

PD

• Fix store selection problem of hot-region scheduler

TiKV

None.

To upgrade from 1.0.5 to 1.0.6, follow the rolling upgrade order of PD -> TiKV -> TiDB.