Gengliang Wang created SPARK-51905:
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Summary: Disallow NOT ENFORCED CHECK constraint
Key: SPARK-51905
URL: https://issues.apache.org/jira/browse/SPARK-51905
Project: Spark
Issue Type: Sub-task
Components: SQL
Affects Versions: 4.1.0
Reporter: Gengliang Wang
As we plan to enforce check constraints by default, it remains unclear what the
behavior should be when it is not "enforced".
* Option 1: Never support NOVALIDATE/NOT VALID in ALTER TABLE. Use
ENFORCED/NOT ENFORCED to check if validation must be done.
* Option 2: Start by always doing the validation for CHECK constraints,
regardless of ENFORCED/NOT ENFORCED. Add NOVALIDATE/NOT VALID to control this
in the future.
* Option 3: Don't support of "NOT ENFORCED" for now. Let's think about Option
1 or Option 2 later
Option3 makes more sense.
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