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docs: Refactor the README to be more user-oriented (#444)
* docs: Refactor the README to be more user-oriented Signed-off-by: Xuanwo <[email protected]> * Apply suggestions from code review Co-authored-by: Fokko Driesprong <[email protected]> * Polish Signed-off-by: Xuanwo <[email protected]> --------- Signed-off-by: Xuanwo <[email protected]> Co-authored-by: Fokko Driesprong <[email protected]>
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README.md

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~ under the License.
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-->
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# Apache Iceberg Rust
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Native Rust implementation of [Apache Iceberg](https://iceberg.apache.org/).
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## Roadmap
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### Catalog
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| Catalog Type | Status |
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| ------------ | ----------- |
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| Rest | Done |
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| Hive | Done |
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| Sql | In Progress |
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| Glue | Done |
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| DynamoDB | Not Started |
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### FileIO
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| FileIO Type | Status |
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| ----------- | ----------- |
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| S3 | Done |
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| Local File | Done |
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| GCS | Not Started |
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| HDFS | Not Started |
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Our `FileIO` is powered by [Apache OpenDAL](https://github.com/apache/opendal), so it would be quite easy to
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expand to other service.
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### Table API
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#### Reader
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| Feature | Status |
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| ---------------------------------------------------------- | ----------- |
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| File based task planning | Done |
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| Size based task planning | Not started |
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| Filter pushdown(manifest evaluation, partition prunning) | In Progress |
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| Apply deletions, including equality and position deletions | Not started |
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| Read into arrow record batch | In Progress |
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| Parquet file support | Done |
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| ORC file support | Not started |
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#### Writer
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| Feature | Status |
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| ------------------------ | ----------- |
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| Data writer | Not started |
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| Equality deletion writer | Not started |
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| Position deletion writer | Not started |
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| Partitioned writer | Not started |
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| Upsert writer | Not started |
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| Parquet file support | Not started |
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| ORC file support | Not started |
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#### Transaction
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| Feature | Status |
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| --------------------- | ----------- |
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| Schema evolution | Not started |
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| Update partition spec | Not started |
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| Update properties | Not started |
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| Replace sort order | Not started |
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| Update location | Not started |
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| Append files | Not started |
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| Rewrite files | Not started |
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| Rewrite manifests | Not started |
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| Overwrite files | Not started |
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| Row level updates | Not started |
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| Replace partitions | Not started |
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| Snapshot management | Not started |
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### Integrations
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We will add integrations with other rust based data systems, such as polars, datafusion, etc.
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# Apache Iceberg™ Rust
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Rust implementation of [Apache Iceberg™](https://iceberg.apache.org/).
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Working on [v0.3.0 Release Milestone](https://github.com/apache/iceberg-rust/milestone/2)
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## Components
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The Apache Iceberg Rust project is composed of the following components:
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| Name | Release | Docs |
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|------------------------|------------------------------------------------------------|------------------------------------------------------|
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| [iceberg] | [![iceberg image]][iceberg link] | [![docs release]][iceberg release docs] |
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| [iceberg-datafusion] | - | - |
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| [iceberg-catalog-glue] | - | - |
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| [iceberg-catalog-hms] | [![iceberg-catalog-hms image]][iceberg-catalog-hms link] | [![docs release]][iceberg-catalog-hms release docs] |
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| [iceberg-catalog-rest] | [![iceberg-catalog-rest image]][iceberg-catalog-rest link] | [![docs release]][iceberg-catalog-rest release docs] |
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[docs release]: https://img.shields.io/badge/docs-release-blue
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[iceberg]: crates/iceberg/README.md
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[iceberg image]: https://img.shields.io/crates/v/iceberg.svg
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[iceberg link]: https://crates.io/crates/iceberg
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[iceberg release docs]: https://docs.rs/iceberg
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[iceberg-datafusion]: crates/integrations/datafusion/README.md
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[iceberg-catalog-glue]: crates/catalog/glue/README.md
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[iceberg-catalog-hms]: crates/catalog/hms/README.md
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[iceberg-catalog-hms image]: https://img.shields.io/crates/v/iceberg-catalog-hms.svg
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[iceberg-catalog-hms link]: https://crates.io/crates/iceberg-catalog-hms
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[iceberg-catalog-hms release docs]: https://docs.rs/iceberg-catalog-hms
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[iceberg-catalog-rest]: crates/catalog/rest/README.md
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[iceberg-catalog-rest image]: https://img.shields.io/crates/v/iceberg-catalog-rest.svg
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[iceberg-catalog-rest link]: https://crates.io/crates/iceberg-catalog-rest
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[iceberg-catalog-rest release docs]: https://docs.rs/iceberg-catalog-rest
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## Contribute
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Iceberg is an active open-source project. We are always open to people who want to use it or contribute to it. Here are some ways to go.
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Apache Iceberg is an active open-source project, governed under the Apache Software Foundation (ASF). We are always open to people who want to use or contribute to it. Here are some ways to get involved.
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- Start with [Contributing Guide](CONTRIBUTING.md).
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- Submit [Issues](https://github.com/apache/iceberg-rust/issues/new) for bug report or feature requests.
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- Discuss at [dev mailing list](mailto:[email protected]) ([subscribe](<mailto:[email protected]?subject=(send%20this%20email%20to%20subscribe)>) / [unsubscribe](<mailto:[email protected]?subject=(send%20this%20email%20to%20unsubscribe)>) / [archives](https://lists.apache.org/[email protected]))
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- Talk to community directly at [Slack #rust channel](https://join.slack.com/t/apache-iceberg/shared_invite/zt-1zbov3k6e-KtJfoaxp97YfX6dPz1Bk7A).
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- Discuss
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at [dev mailing list](mailto:[email protected]) ([subscribe](<mailto:[email protected]?subject=(send%20this%20email%20to%20subscribe)>) / [unsubscribe](<mailto:[email protected]?subject=(send%20this%20email%20to%20unsubscribe)>) / [archives](https://lists.apache.org/[email protected]))
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- Talk to the community directly
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at [Slack #rust channel](https://join.slack.com/t/apache-iceberg/shared_invite/zt-1zbov3k6e-KtJfoaxp97YfX6dPz1Bk7A).
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The Apache Iceberg community is built on the principles described in the [Apache Way](https://www.apache.org/theapacheway/index.html) and all who engage with the community are expected to be respectful, open, come with the best interests of the community in mind, and abide by the Apache Foundation [Code of Conduct](https://www.apache.org/foundation/policies/conduct.html).
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## Users
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- [Databend](https://github.com/datafuselabs/databend/): An open-source cloud data warehouse that serves as a cost-effective alternative to Snowflake.
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- [iceberg-catalog](https://github.com/hansetag/iceberg-catalog): A Rust implementation of the Iceberg REST Catalog specification.
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## License
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