wirybeaver opened a new issue, #2205:
URL: https://github.com/apache/iceberg-rust/issues/2205
### What's the feature are you trying to implement?
Purpose
Implement SQL UPDATE functionality for iceberg-datafusion integration,
enabling row-level updates with WHERE clause filtering. CoW table. This
completes the essential DML operations alongside INSERT and the upcoming `MERGE
INTO` support. PoC branch.
Implementation Tasks
- [x] https://github.com/apache/iceberg-rust/pull/2203, shared with `MERGE
INTO`
- [ ] IcebergUpdateWriteExec - write phase with conditional assignment
application
- [ ] IcebergUpdateCommitExec - commit phase using RowDelta transaction
- [ ] TableProvider::update() trait implementation (DataFusion hook)
- [ ] Integration tests and validation
Enhancements
- [ ] Partition-aware updates (only scan/rewrite affected partitions)
- [ ]File-level filtering using manifest statistics
### Willingness to contribute
None
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