nevzheng opened a new issue, #12059: URL: https://github.com/apache/gravitino/issues/12059
### Describe the subtask Complete and document the five-family compatibility contract for Trino 435 through 478. **Compatibility outcomes** - **Nanosecond timestamps:** Reject before Iceberg delegation. - **Variant:** Reject because supported Trino versions have no faithful equivalent. - **Unknown/Null:** Reject as an invalid persisted column type. - **Geometry:** Reject rather than lose spatial semantics. - **Geography:** Reject rather than lose CRS or edge-algorithm semantics. **Acceptance** - Reproduce all five families through the connector's public create/conversion path and its alter/load paths where supported. - A supported mapping must round-trip without losing type identity or parameters. - An unsupported mapping must return `IllegalArgumentException` before external metadata mutation; no fallback to a narrower or opaque type is allowed. - Cover nested types where the connector supports complex columns. - Add focused converter/operation tests and an integration or no-side-effect test appropriate to the connector. - Update the connector documentation with a five-family compatibility matrix and rejection rationale. - Keep implementation commits atomic by connector and type family. **Connector-specific verification** Pass each type through `IcebergDataTypeTransformer`, verify `GRAVITINO_ILLEGAL_ARGUMENT`, and prove the delegated connector is never invoked. Cover bidirectional adapters, the default suite, and Trino 478. **Documentation** `docs/trino-connector/catalog-iceberg.md` ### Parent issue #12056 -- 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]
