system.aggregate_function_combinators - ClickHouse Documentation

Description

Contains a list of all available aggregate function combinators, which could be applied to aggregate functions and change the way they work.

Columns

name (String) — The name of the combinator.
is_internal (UInt8) — Whether this combinator is for internal usage only.

Last modified on June 8, 2026

system.aggregated_zookeeper_logSystem table containing aggregated statistics of ZooKeeper operations grouped by session, path, operation type, component, and subrequest flag.