Burak Yavuz created SPARK-30924:
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Summary: Add additional validation into Merge Into
Key: SPARK-30924
URL: https://issues.apache.org/jira/browse/SPARK-30924
Project: Spark
Issue Type: Bug
Components: SQL
Affects Versions: 3.0.0
Reporter: Burak Yavuz
Merge Into is currently missing additional validation around:
1. The lack of any WHEN statements
2. Single use of UPDATE/DELETE
3. The first WHEN MATCHED statement needs to have a condition if there are two
WHEN MATCHED statements.
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