Non-POST HTTP requests such as HEAD are now treated as read-only, similar to GET requests.
Why it matters
This feature ensures that HTTP methods like HEAD do not modify data and behave consistently as read-only operations, enhancing security and predictability of non-POST requests.How to use it
No special configuration is required. Simply use non-POST HTTP methods such as HEAD or GET for read-only queries, and ClickHouse will enforce read-only behavior automatically.