RoadMap

Roadmap

SQL Layer

• Simple CRUD
• DDL
• Query plan and optimization
  • [ ]Push down
• Distributed paging (Limit m,n)
• Distributed functions support (e.g. MAX / MIN / COUNT / CONCAT ... )
• Distributed aggregation support
  • Group by clause
  • Order by clause
  • Distinct clause
• Distributed Join (LEFT JOIN / RIGHT JOIN / CROSS JOIN)
• Subquery
• Distributed Transactions
• Global Index and optimization
• MPP SQL

API

• MySQL protocol server
• Spark connector

Admin Tool

• Homemade admin tool(Cobar Manager)
• PhpMyAdmin

Storage

• MySQL
• MVCC database:
  • Transactions
  • Distributed File System