Eric Yang created SPARK-57197:
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Summary: Improve test coverage for merge into schema evolution
Key: SPARK-57197
URL: https://issues.apache.org/jira/browse/SPARK-57197
Project: Spark
Issue Type: Bug
Components: SQL
Affects Versions: 4.2.0
Reporter: Eric Yang
This is a follow-up ticket from the comment [#55329
(comment)|https://github.com/apache/spark/pull/55329#issuecomment-4580763636] -
to improve test coverage for MERGE INTO schema evolution:
* Nested field with a special-char name.
* Special-char column that already exists in the target.
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