talatuyarer commented on code in PR #14218: URL: https://github.com/apache/iceberg/pull/14218#discussion_r2409030986
########## site/docs/v3-adoption-progress.md: ########## @@ -0,0 +1,173 @@ +--- +title: "Apache Iceberg V3 Table Format Adoption Progress" +--- +<!-- + - Licensed to the Apache Software Foundation (ASF) under one or more + - contributor license agreements. See the NOTICE file distributed with + - this work for additional information regarding copyright ownership. + - The ASF licenses this file to You under the Apache License, Version 2.0 + - (the "License"); you may not use this file except in compliance with + - the License. You may obtain a copy of the License at + - + - http://www.apache.org/licenses/LICENSE-2.0 + - + - Unless required by applicable law or agreed to in writing, software + - distributed under the License is distributed on an "AS IS" BASIS, + - WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + - See the License for the specific language governing permissions and + - limitations under the License. + --> + +# Apache Iceberg V3 Table Format Adoption Progress + +This document tracks the implementation status of Apache Iceberg V3 Table Format features across different engines and components. + +## Overview + +Apache Iceberg V3 Table Format introduces several new features including new data types, row lineage, deletion vectors, default values, and table encryption. This document provides a comprehensive comparison of V3 feature implementation status across Apache Iceberg Core, Apache Spark, and Apache Flink. + +## V3 Features Implementation Status + +| **V3 Feature** | **Core** | **Spark v3.4** | **Spark v3.5** | **Spark v4.0** | **Flink v1.20** | **Flink v2.0** | **Flink v2.1** | +|---|---|---|---|---|---|---|---| +| **New Data Types** | | | | | | | | +| `unknown` type | ✅ | ❌ | ❌ | ✅ | ✅ | ✅ | ✅ | +| `timestamp_ns` (nanosecond timestamps) | ✅ | ❌ | ❌ | ❌ | ✅ | ✅ | ✅ | +| `variant` type | ⚠️ Avro supported, Parquet supported, ORC not supported | ⚠️ Read supported, Write shredded not supported | ⚠️ Read supported, Write shredded not supported | ⚠️ Read supported, Write shredded not supported | ❌ | ❌ | ❌ | +| `geometry` type | ❌ | ❌ | ❌ | ❌ | ❌ | ❌ | ❌ | +| `geography` type | ❌ | ❌ | ❌ | ❌ | ❌ | ❌ | ❌ | +| **Deletion Vectors** | | | | | | | | +| Binary Deletion vector support | ✅ | ❌ | ❌ | ✅ | ❌ | ❌ | ❌ | +| **Default Values** | | | | | | | | +| Field default values | ✅ | ⚠️ Read/Write supported, DDL not supported | ⚠️ Read/Write supported, DDL not supported | ⚠️ Read/Write supported, DDL not supported | ✅ | ✅ | ✅ | +| **Table Encryption** | | | | | | | | +| AES-GCM encryption | ✅ | ❌ | ❌ | ❌ | ❌ | ❌ | ❌ | +| **Multi-Argument Transforms** | | | | | | | | +| Z-order partitioning/sorting | ✅ | ✅ | ✅ | ✅ | ❌ | ❌ | ❌ | +| **Row Lineage** | | | | | | | | +| `_row_id` column | ✅ | ✅ | ✅ | ✅ | ❌ | ❌ | ❌ | +| `_last_updated_sequence_number` | ✅ | ✅ | ✅ | ✅ | ❌ | ❌ | ❌ | Review Comment: Done -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
