Support Changing Column Types

[yilongrong]

Description

Support changing column types. Tasklist:

• P0: Support Changing Column Type in the TiFlash Side #18261 Support Changing Column Type in the TiFlash Side
• P0: Support Changing Column Type in the TiDB Side #18283 Support Changing Column Type in the TiDB Side

Category

Feature

Value

• Changing column type is a basic function of the database, many inconveniences are brought to our users and DBAs from TiDB without full support.
• The user experience of syncing data from MySQL to TiDB with DM is usually very poor, lot's of column type changing DDL statements needed to be specifically handled.

Join Us

Weekly Report: TiDB v5.0 Project Management Weekly Report - Column Type Changes

[bb7133]

Sure, I believe that the 'column type change' feature is in the roadmap of v5.0