ROADMAP.md

Roadmap

This document defines the roadmap for dble development.

SQL Layer

• DDL
• Query Plan
• Distributed Transactions
• High Performance LIMIT
• REPLACE Syntax
• Join (LEFT JOIN / RIGHT JOIN / CROSS JOIN)
• Union
• Simple Sub-query
• Correlated Sub-Query
• Functions support
  • Type Conversion in Expression Evaluation
  • Operators
  • Control Flow Functions
  • String Functions
  • Numeric Functions and Operators
  • Date and Time Functions
  • Cast Functions and Operators
  • Bit Functions and Operators
  • Aggregate (GROUP BY) Functions
• VIEW
• allowMultiQueries
• Charset
• allowMultiQueries
• System Variables
• User Variables
• Kill statement
• Show full tables
• MySQL5.7 Client/Server Protocol

Cluster

• Zookeeper
• Consul

Backend Connection Pool

• Correct Idle Conn Heartbeat
• Connection Version
• Smooth Offline

Optimization

• Global table
• ER table
• Push down Where Filter
• Simplify Where Filter
• Simplify SELECT

Remove

• Least frequently used algorithm
• Heterogeneous database
• Migrate Logic
• Other unused Code