v.22.5Improvement

Add is_all_data_sent Column to system.processes with Testing Enhancements

Add is_all_data_sent column into system.processes, and improve internal testing hardening check based on it. #36649 (Azat Khuzhin).
Added the is_all_data_sent column to the system.processes table to provide visibility into whether all data for a query has been sent.

Why it matters

This feature helps users and internal testing mechanisms to determine if a query has fully transmitted its result set, improving monitoring and debugging of query execution and data flow within ClickHouse.

How to use it

Query the system.processes table and inspect the is_all_data_sent column to check if the data for a running query has been fully sent to the client.