v.25.7Improvement

Consolidate unknown settings warnings

Consolidate unknown settings warnings in clickhouse client and log them as a summary. #83042 (Bharat Nallan).
Consolidates warnings about unknown settings in the ClickHouse client and logs them as a summary message.

Why it matters

To improve the user experience by reducing clutter from multiple individual warnings about unknown settings, providing a clear and concise summary instead. This helps users more easily identify and address configuration issues.

How to use it

The feature is applied automatically in the ClickHouse client; when unknown settings are detected, the client consolidates these warnings and outputs a summarized log message without extra configuration required.