jackylee-ch opened a new pull request, #15807:
URL: https://github.com/apache/iceberg/pull/15807
## Summary
- Add a dedicated "Write-Audit-Publish (WAP)" section to `spark-writes.md`
documenting both WAP ID mode (`spark.wap.id`) and WAP Branch mode
(`spark.wap.branch`), including a comparison table and constraints
- Cross-link `write.wap.enabled` in `configuration.md` to the new WAP
section
- Cross-link the Audit Branch section in `branching.md` to the new WAP
reference
Closes #11528
## Test plan
All SQL examples were verified against Spark 3.5.5 + Iceberg
1.11.0-SNAPSHOT:
- [ ] **WAP ID mode**: Set `spark.wap.id`, INSERT, verify staged snapshot
is invisible on main, then `publish_changes` makes it visible
- [ ] **WAP Branch mode**: Set `spark.wap.branch`, INSERT, verify data
visible on branch but not main, then `fast_forward` promotes to main
- [ ] **Mutual exclusion**: Set both `spark.wap.id` and
`spark.wap.branch`, confirm `ValidationException: Cannot set both WAP ID and
branch`
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