Remove field id constraint on add files#2662
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Fokko merged 3 commits intoapache:mainfrom Dec 8, 2025
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Thanks for the PR! This is a great addition. Added a few comments
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i think we should at least check that the parquet field IDs align with the Iceberg field IDs
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Hi @kevinjqliu, what kind of extra ID alignment do you expect that is not already covered by _check_schema_compatible ?
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@Fokko @kevinjqliu Are there any other changes or improvements needed in order to merge this PR? |
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Rationale for this change
Closes #2131
The PR relaxes the constraint that prevented adding any file with field IDs, and replaces it with a constraint that prevents adding files which contain field IDs that are inconsistent with the field IDs of the table. If the field IDs are compatible, then they can be added safely, if not, they will be rejected.
Are these changes tested?
Yes
Are there any user-facing changes?
Yes