Shruthirdy commented on code in PR #2475:
URL: https://github.com/apache/iceberg-go/pull/2475#discussion_r4541818199


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website/src/releases.md:
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@@ -42,6 +42,8 @@ Per-release notes (highlights, breaking changes, 
contributors) are published on
 
 ### Unreleased compatibility notes
 
+- **Table creation rejects duplicate field IDs.** `CreateTable` and 
`NewMetadata` now return `ErrInvalidSchema` when two fields in the schema share 
an ID, including unset `0` or `-1` IDs, even for unpartitioned, unsorted 
tables. Before, the partition spec or sort order could bind to the wrong 
column. Callers should assign unique IDs (or let the schema be built with fresh 
IDs). This matches Java, whose `Schema` constructor rejects duplicate IDs.

Review Comment:
   Thank you @laskoviymishka for reviewing, updated this.



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