feat: support Iceberg v3 unknown type#662
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Please rebase on the latest main as well. |
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Could you please rebase to resolve conflicts? PR for v3 nano precision timestamp types has been merged. |
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@manuzhang Do you have time to revive this? |
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@wgtmac Yes, I'm on a trip this week and will update a bit later. |
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LGTM, thanks for working on this.
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@wgtmac Do you have further comments? |
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Add an Iceberg unknown primitive type and JSON, Arrow, Avro, Parquet, projection, and data path support for null-only unknown fields. Enforce optionality invariants so required projections cannot be materialized from unknown/null-only fields. Co-authored-by: Codex <codex@openai.com> test: cover forbidden nested type promotions Assert that promotion helpers reject nested type targets for unknown and regular primitive source types. Co-authored-by: Codex <codex@openai.com>
Co-authored-by: Codex <codex@openai.com>
Co-authored-by: Codex <codex@openai.com>
Co-authored-by: Codex <codex@openai.com>
Co-authored-by: Gang Wu <ustcwg@gmail.com>
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I've pushed some changes to simplify this. Thanks @manuzhang for adding this and @zhjwpku for the review!
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Closes #665
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Co-authored-by: @codex