Roadmap 2023
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This is Databend Roadmap in 2023 🚀, sync from the #9448
After a full year of research and development in 2022, the functionality and stability of Databend were significantly enhanced, and several users began using it in production. Databend has helped them greatly reduce costs and operational complexity issues.
This is Databend Roadmap in 2023 (discussion).
See also:
Main tasks
Features
Task | Status | Comments |
---|---|---|
Update | IN PROGRESS | |
Merge | PLAN | |
Alter table | IN PROGRESS | |
Window function | PLAN | |
Lambda function and high-order functions | PLAN | |
TimestampTz data type | PLAN | |
Decimal data type | PLAN | |
Materialized view | PLAN | |
Support SET_VAR hints#8833 | PLAN | |
Parquet reader | PLAN | |
Distributed COPY | PLAN | |
JSON indexing | PLAN | |
DataFrame | PLAN | |
Data Sharing(community version) | IN PROGRESS | |
Concurrent query enhance | PLAN |
Improvements
Task | Status | Comments |
---|---|---|
New expression#9411 | IN PROGRESS | |
Error message | PLAN |
Planner
Task | Status | Comments |
---|---|---|
Scalar expression normalization | PLAN | |
Column constraint framework | PLAN | |
Functional dependency framework#7438 | PLAN | |
Join reorder | IN PROGRESS | |
CBO for distributed plan | PLAN | |
Support TPC-DS | PLAN | |
Support optimization tracing | PLAN | Easy to debug/study. |
Cache
Task | Status | Comments |
---|---|---|
Unified cache layer | IN PROGRESS | |
Meta data cache | IN PROGRESS | |
Index data cache | IN PROGRESS | |
Block data cache | PLAN |
Data Storage
Task | Status | Comments |
---|---|---|
Fuse engine re-clustering | PLAN | |
Fuse engine orphan data cleanup | PLAN | |
Fuse engine segment tree | PLAN | Support large dataset(PB) in one table |
LakeHouse
Task | Status | Comments |
---|---|---|
Apache Hive | IN PROGRESS | |
Apache Iceberg | IN PROGRESS | |
Querying external storage(Parquet) | IN PROGRESS |
Distributed Query Execution
Task | Status | Comments |
---|---|---|
Visualized profiling | IN PROGRESS | |
Aggregation spilling | IN PROGRESS |
Resource Quota
Task | Status | Comments |
---|---|---|
Session-level quota control (CPU/Memory) | IN PROGRESS | |
User-level quota control (CPU/Memory) | PLAN |
Integrations
Task | Status | Comments |
---|---|---|
Dbt integration | IN PROGRESS | |
Airbyte integration | IN PROGRESS | |
Datadog Vector integrate with Rust-driver | IN PROGRESS | |
Datax integrate with Java-driver | IN PROGRESS | |
CDC with Flink | PLAN | |
CDC with Kafka | PLAN |
Meta
Task | Status | Comments |
---|---|---|
Jepsen test | IN PROGRESS |
Testing
Task | Status | Comments |
---|---|---|
SQLlogic Test | IN PROGRESS | Supports more test cases |
SQLancer Test | IN PROGRESS | Supports more type and more cases |
Fuzzer Test | PLAN |