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| <h1 id="other-iceberg-implementations"><a class="header" href="#other-iceberg-implementations">Other Iceberg implementations</a></h1> |
| <p>Apache Iceberg Go is one of several official Iceberg implementations. Pick the one that matches your runtime; the table format and catalog protocols are the same across all of them.</p> |
| <div class="table-wrapper"><table><thead><tr><th>Project</th><th>Language</th><th>Repository</th><th>Documentation</th></tr></thead><tbody> |
| <tr><td>Apache Iceberg</td><td>Java (reference)</td><td><a href="https://github.com/apache/iceberg">apache/iceberg</a></td><td><a href="https://iceberg.apache.org/">iceberg.apache.org</a></td></tr> |
| <tr><td>PyIceberg</td><td>Python</td><td><a href="https://github.com/apache/iceberg-python">apache/iceberg-python</a></td><td><a href="https://py.iceberg.apache.org/">py.iceberg.apache.org</a></td></tr> |
| <tr><td>iceberg-rust</td><td>Rust</td><td><a href="https://github.com/apache/iceberg-rust">apache/iceberg-rust</a></td><td><a href="https://rust.iceberg.apache.org/">rust.iceberg.apache.org</a></td></tr> |
| <tr><td>iceberg-cpp</td><td>C++</td><td><a href="https://github.com/apache/iceberg-cpp">apache/iceberg-cpp</a></td><td><a href="https://cpp.iceberg.apache.org/">cpp.iceberg.apache.org</a> (early stage)</td></tr> |
| </tbody></table> |
| </div> |
| <h2 id="when-to-use-which"><a class="header" href="#when-to-use-which">When to use which</a></h2> |
| <ul> |
| <li><strong>Java</strong> is the reference implementation and is what every query engine integrates against (Spark, Flink, Trino, Hive, Presto, Dremio, etc.). If you are running a JVM workload, this is the canonical choice.</li> |
| <li><strong>PyIceberg</strong> is for Python and the dataframe ecosystem (PyArrow, Pandas, Polars, DuckDB, Daft, Ray). Most data-science and ML workflows live here.</li> |
| <li><strong>iceberg-rust</strong> is the Rust implementation, used by <code>pyiceberg-core</code>, DataFusion-based engines, and other Rust-native systems.</li> |
| <li><strong>iceberg-cpp</strong> is early-stage (0.2.0 released 2026-01-26). Track the project for native C++ integration once it stabilizes.</li> |
| <li><strong>iceberg-go</strong> (this project) is for Go services and tooling. Tight Apache Arrow Go integration makes it a good fit for streaming Arrow record batches into and out of Iceberg tables.</li> |
| </ul> |
| <h2 id="specifications-and-shared-concepts"><a class="header" href="#specifications-and-shared-concepts">Specifications and shared concepts</a></h2> |
| <p>The Iceberg spec, terminology, partitioning semantics, evolution semantics, REST Catalog OpenAPI, and multi-engine support policy live with the main project at <a href="https://iceberg.apache.org/">iceberg.apache.org</a>. All the implementations above target the same spec.</p> |
| <p>For Apache Iceberg Go-specific guidance, continue with the <a href="./api.html">API Reference</a>, <a href="./cli.html">CLI</a>, or <a href="./configuration.html">Configuration</a>.</p> |
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