KnightChess created SPARK-48419:
-----------------------------------
Summary: Foldable propagation change output schema
Key: SPARK-48419
URL: https://issues.apache.org/jira/browse/SPARK-48419
Project: Spark
Issue Type: Sub-task
Components: SQL
Affects Versions: 3.3.4, 3.5.1, 3.2.4, 3.1.3, 3.0.3, 4.0.0
Reporter: KnightChess
column name will be change by `FoldablePropagation` in optimizer
befor optimizer:
```shell
'Project ['x, 'y, 'z]
+- 'Project ['a AS x#112, str AS Y#113, 'b AS z#114]
+- LocalRelation <empty>, [a#0, b#1]
```
after optimizer:
```shell
Project [x#112, str AS Y#113, z#114]
+- Project [a#0 AS x#112, str AS Y#113, b#1 AS z#114]
+- LocalRelation <empty>, [a#0, b#1]
```
column name `y` will be replace to 'Y'
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