Roadmap 2021

[BohuTANG]

This is Databend roadmap 2021.

Main tasks

1. Query task

Task	Status	Release Target	Comments
Cloud Re-architected track #1408	DONE	v0.5
HTTP API #2241	DONE	v0.5
Fuse engine #1780	DONE	v0.5

2. Distributed Query task

Task	Status	Release Target	Comments
Functions track #758	DONE		@sundy-li
Query cluster track #747	PROGRESS	v0.6	@zhang2014
Queries track #765	PROGRESS		@zhang2014

3. Observability task

Task	Status	Release Target	Comments
Observability track #795	PROGRESS	v0.6	@BohuTANG

4. Test infra task

Task	Status	Release Target	Comments
Test Infra track #796	DONE	v0.4	@ZhiHanZ

5. RBAC task

Task	Status	Release Target	Comments
RBAC Privileges #2793	PROGRESS

6. Optimizer task

Task	Status	Release Target	Comments
Cost based optimizer(CBO) track #915	PLANNING		Table statistics and CBO
Refactor SQL Parser #1218	PROGRESS

7. Deployment task

Task	Status	Release Target	Comments
databend cli #938	PROGRESS	v0.5	All-in-one tool for setting up, managing with Databend
online playground	PROGRESS		User can try the demo on the databend.rs website

8. Data Loading

Task	Status	Release Target	Comments
COPY INTO table #2627	DONE

Experimental and interns tasks

Task	Status	Release Target	Comments
Hash method in ClickHouse way #754	DONE
Join #559	PLANNING
Window functions	PLANNING
Limited support for transactions	PLANNING
Tuple functions	PLANNING		Reference: https://clickhouse.tech/docs/en/sql-reference/functions/tuple-functions/
Array functions	PLANNING		Reference: https://clickhouse.tech/docs/en/sql-reference/functions/array-functions/
Lambda functions	PLANNING		Reference: https://clickhouse.tech/docs/en/sql-reference/functions/#higher-order-functions
Compile aggregate functions(JIT)	PLANNING		Reference: ClickHouse/ClickHouse#24789

Releases

• Release proposal: Nightly v0.6 #2525
• Release proposal: Nightly v0.5 #2257

[BohuTANG]

Experimental and interns tasks:
Rewrite hash method in ClickHouse way: #754

[zhang2014]

Experimental and interns tasks:
Add queries track #765

[sirinath]

Can you add the ability to notify insertions and updates like in https://rethinkdb.com/

[BohuTANG]

Can you add the ability to notify insertions and updates like in https://rethinkdb.com/

Could you give a specific doc link about it?

[sirinath]

See this: https://rethinkdb.com/blog/realtime-web/

[BohuTANG]

Add:
RBAC track

[BohuTANG]

See this: https://rethinkdb.com/blog/realtime-web/

Thanks.
File a new isuee to discuss it? Welcome anytime

[sirinath]

OK. Done: #895

[BohuTANG]

Add:
Cost based optimizer(CBO) track #915

[BohuTANG]

Add:
datafuse cli #938 to Deployment task

[BohuTANG]

Add:
Store Service track #1154

[BohuTANG]

Add:
Cloud Re-architected track #1408

[BohuTANG]

Add:
Refactor SQL Parser #1218

[BohuTANG]

Add query task:
HTTP API #2241

[BohuTANG]

Add:
COPY INTO table #2627

[BohuTANG]

Add:
User Privilege #2678

[BohuTANG]

Update:
RBAC Privileges #2793

[BohuTANG]

Roadmap 2022 is out, please see: Roadmap 2022