Roadmap

This document defines the roadmap for TiDB development.

SQL Layer

• Simple CRUD / DDL
• Index support
• Index optimization
• Query plan optimization
• Transactions
• Functions support (e.g. MAX / MIN / COUNT / CONCAT ... )
• Aggregation support
  • Group by clause
  • Order by clause
  • Distinct clause
• Join (LEFT JOIN / RIGHT JOIN / CROSS JOIN)
• Simple Subquery
• Asynchronous schema change
• MPP SQL
  • Push down

API

• MySQL protocol server
• MySQL X Protocol
• PostgreSQL protocol server
• JSON support
• Document store
• Spark connector

Application

• Gogs
• Wordpress
• Phabricator

Admin Tool

• PhpMyAdmin
• Homemade admin tool

Storage

• BoltDB
• GoLevelDB
• Homemade distributed KV (pingcap/tikv):
  • Transactions
  • Replicate log using Raft
  • Scale-out (Auto-rebalance)
  • Geo replicated