Roadmap 2023 #9448
Description
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
v1.3
v1.2 (Prepare for release on May 15th)
v1.1 (Prepare for release on April 5th)
v1.0 (Prepare for release on March 5th)
Features
| Task | Status | Comments |
|---|---|---|
| Update#9261 | DONE | need optimized(release in v1.0) |
| Privileges | DONE | |
| Alter table | DONE | high-priority(release in v1.0 ) |
| Window function#6342 | DONE | |
| Lambda function and high-order functions | DONE | |
| Materialized view | Aggregating index | DONE |
| Support SET_VAR hints#8833 | DONE | |
| Parquet reader | DONE | |
| DataFrame | DONE | |
| Data Sharing(community version) | DONE | |
| Concurrent query enhance | IN PROGRESS | |
| Distributed COPY#8594 | DONE | |
| Support Decimal data type#2931 | DONE | high-priority(release in v1.0 ) |
| Add Column-Level dynamic data masking support | PLAN |
Improvements
| Task | Status | Comments |
|---|---|---|
| New expression#9411 | DONE | |
| Error message | PLAN |
Planner
| Task | Status | Comments |
|---|---|---|
| Scalar expression normalization | DONE | |
| Column constraint framework | DONE | |
| Functional dependency framework#7438 | DONE | |
| Join reorder | DONE | |
| CBO | DONE | high-priority(release in v1.0) |
| Support TPC-DS | DONE | |
| Support optimization tracing | PLAN | Easy to debug/study. |
Cache
| Task | Status | Comments |
|---|---|---|
| Unified cache layer | DONE | |
| Meta data cache | DONE | |
| Index data cache | DONE | |
| Block data cache | DONE | high-priority(release in v1.0 ) |
Data Storage
| Task | Status | Comments |
|---|---|---|
| Fuse engine re-clustering | DONE | high-priority(release in v1.1) |
| Fuse engine orphan data cleanup | DONE | high-priority(release in v1.0) |
Distributed Query Execution
| Task | Status | Comments |
|---|---|---|
| Visualized profiling | IN PROGRESS | |
| Aggregation spilling | DONE | high-priority(release in v1.1) |
Resource Quota
| Task | Status | Comments |
|---|---|---|
| Session-level quota control (CPU/Memory) | DONE |
Schema-Less Search
| Task | Status | Comments |
|---|---|---|
| JSON indexing | DONE | high-priority |
| Fulltext index#3915 | IN PROGRESS | high-priority |
| Array functions#7931 | DONE | high-priority |
| Faiss index#9699 | PLAN |
LakeHouse
| Task | Status | Comments |
|---|---|---|
| Apache Hive | DONE | |
| Apache Iceberg | DONE | |
| Delta Lake | PLAN | |
| Querying external storage(Parquet) | DONE |
Integrations
| Task | Status | Comments |
|---|---|---|
| Dbt integration | DONE | |
| Airbyte integration | DONE | |
| Datadog Vector integrate with Rust-driver | DONE | |
| Datax integrate with Java-driver | DONE | |
| CDC with Flink | DONE | |
| CDC with Kafka | DONE |
Meta
| Task | Status | Comments |
|---|---|---|
| Jepsen test | DONE | |
| Store membership in raft | DONE | |
| Nonblocking snapshot building | DONE | |
| Snapshot file format impl | DONE | |
| Upgrade on-disk store format | DONE |
Testing
| Task | Status | Comments |
|---|---|---|
| SQLlogic Test | DONE | Supports more test cases |
| SQLancer Test | DONE | Supports more type and more cases |
| Fuzzer Test | IN PROGRESS |
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