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• I had searched in the issues and found no similar issues.

Description

Hidden columns are used by doris internally, users should not be allowed to change it. Hidden columns are named xxxx like doris_delete_sign.

Solution

• reject add a hidden columns.
• reject schema change on hidden columns.

Are you willing to submit PR?

• Yes I am willing to submit a PR!

Code of Conduct

• I agree to follow this project's Code of Conduct