Roadmap

[JinHai-CN]

Domain	Sub-Domain	Feature	Status	Release	Comments
SQL Engine	Parser	Introduce new parser to support multiple SQL dialects	Ongoing
SQL Engine	Planner	AST rewriter	Planning
SQL Engine	Planner	Rule based optimizer	Planning
SQL Engine	Planner	Cost based optimizer	Planning
SQL Engine	pipeline executor	Enhance the execution pipeline	Planning
SQL Engine	vectorized processor	Incremental view maintenance	Planning
SQL Engine	vectorized processor	Improve operations performance of HASH function	Ongoing
SQL Engine	vectorized processor	Advanced window function	Planning
SQL Engine	cache	Multiple version query data cache management	Planning
SQL Engine	IR generator	Translate Python function into IR.	Planning
Cluster Management	Prophet	Redesign prophet to resilience and lock-free.	Planning
Cluster Management	Prophet	Support job / task orchestration and co-location.	Planning
Cluster Management	Transaction Manager	Support snapshot isolation level transaction for multiple engines and cross engines	Planning
Cluster Management	Replicated State Machine	Improve current multiple-RAFT store	Ongoing
Cluster Management	Replicated State Machine	Introducing cutting-edge replicated state machine protocol	Planning
Storage	Column Store	Enhance data table management	Planning
Storage	Column Store	Enhance local metadata management	Planning
Storage	Column Store	Local transaction management	Planning
Storage	Column Store	Fuzzy checkpoint	Planning
Storage	Column Store	Enhance disk file storage	Planning
Storage	Column Store	Enhance asynchronization garbage collection	Planning
Storage	Column Store	Tablet-group split	Planning
Storage	Column Store	Data vacuum	Planning
Storage	Column Store	Buffer management	Done
Storage	Column Store	Data compaction management	Planning
Storage	Column Store	Support parquet and Arrow in-memory	Planning
Storage	Column Store	Asynchronized IO scheduling	Planning
Storage	Column Store	Data recover from writing ahead log	Ongoing
Storage	Column Store	Support multiple column data model	Planning
Storage	Column Store	Mutiple version indexes management	Planning
Storage	Row Store	Local transaction management	Planning
Storage	Row Store	Data recover from writing ahead log	Planning
Storage	Row Store	Secondary index supports	Planning
Storage	Row Store	Support multiple row data model	Planning
DDL & Catalog		Support online schema change	Planning
DDL & Catalog		Introduce query log table and metric table	Planning
DDL & Catalog		Support catalog cache	Planning
DDL & Catalog		Support permission control	Planning

[sukki37]

DDL & Catalog：

• TODO
  • support catalog cache
  • support online schema change
  • support permission control

[dengn]

This roadmap is out of date.