Improve Integer Key Support in Map Data Type

Why it matters

This feature resolves limitations when using integer keys in Map data types, allowing users to more effectively utilize integer keys for mapping purposes within their datasets. It enhances data modeling flexibility and query expressiveness when working with maps containing integer keys.

How to use it

Users can now directly utilize integer keys in the Map data type without encountering previous restrictions or issues. This improvement is available automatically with the updated ClickHouse version, requiring no special configuration or syntax changes.