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[EPIC] Update Iceberg integration to use native_iceberg_compat scan #2189
Description
What is the problem the feature request solves?
Comet's Iceberg integration currently uses native_comet scan, which does not support complex types.
We are still working on completing the current integration, and then would like to move to using native_iceberg_compat instead for complex type support.
Describe the potential solution
- Identify design changes needed
- Implement changes in Comet API
- ColumnReader
- PageReadStore ?
- S3FileIo Support
- BatchReader
- ColumnReader
- Implement corresponding Iceberg changes
Additional context
No response
Activity
[-]Update Iceberg integration to use `native_iceberg_compat` scan[/-][+][EPIC] Update Iceberg integration to use `native_iceberg_compat` scan[/+]Shekharrajak commentedon Feb 25, 2026
Looking into it.
andygrove commentedon Feb 25, 2026
@Shekharrajak This is an old issue. We have not been able to move forward with the Iceberg Java integration. There is a PR open against Iceberg (apache/iceberg#13786) to enable this integration but it is stale.
There is an issue discussing the future of Iceberg support at #2921.