Checks whether a Flake is an aggregate transform stage.
True for a computed node whose leading pipe transform
aggregates a group (qest's isAggregate), such as a count or
sum. Aggregate stages drive grouped query semantics: the non-aggregate projection bindings become the
GROUP BY keys and the aggregate filters move to HAVING. The test is local to the node; walk the tree to
find aggregate stages nested beneath it.
Checks whether a Flake is an aggregate transform stage.
True for a computed node whose leading pipe transform aggregates a group (
qest's isAggregate), such as a count or sum. Aggregate stages drive grouped query semantics: the non-aggregate projection bindings become theGROUP BYkeys and the aggregate filters move toHAVING. The test is local to the node; walk the tree to find aggregate stages nested beneath it.