Core: Improve error for null/unknown schema types in table creation#2843
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kevinjqliu merged 2 commits intoapache:mainfrom Jan 8, 2026
Merged
Core: Improve error for null/unknown schema types in table creation#2843kevinjqliu merged 2 commits intoapache:mainfrom
kevinjqliu merged 2 commits intoapache:mainfrom
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kevinjqliu
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Dec 24, 2025
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LGTM! Thanks pa.null() has been a long standing issue. This should provide some clarity
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| assert "Null type" in message | ||
| assert "n1" in message | ||
| assert "format-version=3" in message |
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this is the full error message
'Null type (pa.null()) is not supported in Iceberg format version 2. Field: n1. Use a concrete type (string, int, boolean, etc.) or set format-version=3.'
geruh
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Dec 25, 2025
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What changed
nulltype is used with format version < 3, including the field path and a hint to use a concrete type or format-version 3.Why
Testing
Closes #2539