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Track remaining Iceberg v3 feature support (Roadmap for 0.5.0)

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难度
5/5
预计耗时
一周以上
新手友好度
20/100
Issue 类型
功能
描述清晰度
基本清楚
活跃度
活跃
技术栈
cpp

调研方向

This is a parent tracking issue listing multiple sub-tasks for Iceberg v3 feature support. Each sub-task (e.g., variant type, column default values) requires opening a dedicated sub-issue. Start by reviewing the linked existing issues (#666, #942, #774, #926) and their dependencies (like arrow-cpp variant support). Determine which sub-task aligns with your interest and expertise, then create a focused issue for it, labeling with the 0.5.0 milestone.

由索引模型根据 Issue 内容生成。

描述

This is the parent tracking issue for work carried over from the 0.4.0 roadmap (#637) and targeted for the 0.5.0 release.

If you are interested in working on any of the items below, please open a dedicated sub-issue (or link the existing one) and label the PR with the 0.5.0 milestone so progress is easy to follow.

V3 related

1. variant type
  • Schema-level support for variant (#666) @zhjwpku @nssalian — depends on arrow-cpp variant support (apache/arrow#45937); non-shredded variant first, shredded variant is a stretch goal
2. Column default values
  • Apply write-default in Parquet and Avro writers (#942) @huan233usc
  • Apply initial-default on the read path
3. Table-level encryption metadata (not yet planned)
  • Parse and preserve encryption metadata
4. Puffin-based statistics (not yet planned)
  • Metadata parsing
  • Optional integration into scan planning

Table update and maintenance

  • RewriteManifests (#774) @zhjwpku
  • CherryPickOperation (#926) @shangxinli

If anything is missing or you have suggestions, feel free to comment or open additional sub-issues.

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从这里开始

  1. 先读完整个 Issue,再读项目的贡献指南。
  2. 在 Issue 下留言说明你要接手 —— 这能避免两个人做同样的事。
  3. Fork 仓库,在一个分支上完成修改。
  4. 提交 Pull Request,并在描述里引用这个 Issue 编号。

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