v.22.12New Feature

Mask Sensitive Information in Logs and Query Outputs

Official CH changelog text
Mask sensitive information in logs; mask secret parts in the output of queries SHOW CREATE TABLE and SELECT FROM system.tables. Also resolves #41418. #43227 (Vitaly Baranov).
Masks sensitive information in logs and query outputs such as SHOW CREATE TABLE and SELECT FROM system.tables.

Why it matters

This feature enhances security by preventing secret or sensitive data from being exposed in logs and system query results, reducing the risk of accidental data leaks and improving privacy and compliance.

How to use it

The masking is applied automatically to the output of relevant queries and logs. No additional configuration is required by the user.

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