hareshkh opened a new pull request, #3423: URL: https://github.com/apache/iceberg-rust/pull/3423
## Which issue does this PR close? <!-- We generally require a GitHub issue to be filed for all bug fixes and enhancements and this helps us generate change logs for our releases. You can link an issue to this PR using the GitHub syntax. For example `Closes #123` indicates that this PR will close issue #123. --> - Closes #. ## What changes are included in this PR? <!-- Provide a summary of the modifications in this PR. List the main changes such as new features, bug fixes, refactoring, or any other updates. --> Reject nulls in required top-level columns before writing Parquet, preventing silent writes of default values. Validation follows column position and includes dictionary-encoded nulls. ## Are these changes tested? <!-- Specify what test covers (unit test, integration test, etc.). If tests are not included in your PR, please explain why (for example, are they covered by existing tests)? --> Unit tests cover null rejection, positional matching, nullable inputs without nulls, optional-column nulls, and dictionary nulls. ## AI Disclosure <!-- https://iceberg.apache.org/contribute/#guidelines-for-ai-assisted-contributions --> -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
