Added Functions to Work with JSON #4686 (hcz) #5124

Why it matters

To provide users with native capabilities to parse, extract, and handle JSON data in ClickHouse, facilitating easier integration and analysis of semi-structured data without needing external processing.

How to use it

Use the newly introduced JSON functions in your queries to parse JSON strings, extract elements, and perform JSON-related operations directly in SELECT statements. Refer to the ClickHouse documentation for the specific function syntax and examples.