Pengfei Xu created SPARK-48683:
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Summary: Schema evolution with `df.mergeInto` losing `when` clauses
Key: SPARK-48683
URL: https://issues.apache.org/jira/browse/SPARK-48683
Project: Spark
Issue Type: New Feature
Components: Spark Core
Affects Versions: 4.0.0
Reporter: Pengfei Xu
When calling {{df.mergeInto(...).when...(...).withSchemaEvolution()}} all
{{when}} clauses will be lost.
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