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[SPARK-54172][SQL] Merge Into Schema Evolution should only add referenced columns - #52866

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szehon-ho wants to merge 13 commits into

apache:masterfrom

szehon-ho:merge_schema_evolution_limit_cols

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[SPARK-54172][SQL] Merge Into Schema Evolution should only add referenced columns#52866
szehon-ho wants to merge 13 commits into
apache:masterfrom
szehon-ho:merge_schema_evolution_limit_cols

Commits on Nov 4, 2025
- [SPARK-54172][SQL] Merge Into Schema Evolution should only add referenced columns
  szehon-ho
  committed
  3daaf68
- Refactor and add more test
  szehon-ho
  committed
  24b1a51
Commits on Nov 6, 2025
- Only allow schema evolution for case where new field is target of assignment where value is same name in source
  szehon-ho
  committed
  abbeb1e
Commits on Nov 7, 2025
- Add more tests
  szehon-ho
  committed
  1461265
- minor cleanup
  szehon-ho
  committed
  451da3e
- review comment
  szehon-ho
  committed
  cee88a2
Commits on Nov 9, 2025
- Fix attempt
  szehon-ho
  committed
  f23a985
- Simplify logic
  szehon-ho
  committed
  ea00e3c
Commits on Nov 10, 2025
- More cleanup
  szehon-ho
  committed
  4050f94
- More simplification
  szehon-ho
  committed
  4ac5b0a
Commits on Nov 11, 2025
- Review comments
  szehon-ho
  committed
  ebe84ac
- Fix test
  szehon-ho
  committed
  6c08b54
- Add a unit test to check that action conditions are properly resolve in schema evolutiond
  szehon-ho
  committed
  02d8dc9