v.19.16New Feature

Add Fullhostname Function That Returns a Fully Qualified Domain Name

Add fullHostName function that returns a fully qualified domain name. #7263 #7291 (sundyli)
Added the fullHostName function that returns the fully qualified domain name (FQDN) of the host running the ClickHouse server.

Why it matters

This feature provides users with a straightforward way to retrieve the complete network name of the server, including the domain, which is useful for advanced logging, auditing, network configuration checks, and monitoring in distributed environments.

How to use it

Simply call the function in your SQL queries as follows:

SELECT fullHostName()

This will return the fully qualified domain name of the server.