release-1.0.6.md

title	aliases	summary
TiDB 1.0.6 Release Notes	/docs/dev/releases/release-1.0.6/ /docs/dev/releases/106/	TiDB 1.0.6 was released on January 08, 2018. Updates include support for Alter Table Auto_Increment syntax, fixing bugs in Cost Based computation and Null Json issue, and support for extension syntax to shard implicit row ID. Other updates include fixing potential DDL issue, considering timezone setting in certain functions, and support for SEPARATOR syntax in GROUP_CONCAT function. PD fixed store selection problem of hot-region scheduler. To upgrade from 1.0.5 to 1.0.6, follow the rolling upgrade order of PD, TiKV, TiDB.

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.