v.24.10Improvement

Improve cast(timestamp as String) Compatibility with Spark

Official CH changelog text
Improve compatibility of cast(timestamp as String) with Spark. #69179 (Wenzheng Liu).
Improves the compatibility of cast(timestamp as String) with Apache Spark by aligning the timestamp-to-string conversion behavior.

Why it matters

The feature addresses differences in how ClickHouse and Apache Spark convert timestamps to strings, ensuring consistent results when migrating or integrating data workflows between the two systems. This improves interoperability and reduces data handling errors.

How to use it

Users can simply use the existing cast(timestamp as String) syntax in their queries. The internal behavior is updated automatically with the new version, so no additional configuration or changes in user queries are required.

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