Sum statistics and aggregator improvements#1103

Merged

Jolanrensen merged 9 commits intomasterfrom

Mar 20, 2025

Commits on Mar 16, 2025

starting sum statistic rework
Jolanrensen
committed

Commits on Mar 18, 2025

extra overloads for sum api, fixed parts of aggregateOfRow
Jolanrensen
committed

Commits on Mar 19, 2025

made mean and sum use isPrimitiveOrMixedNumber(). Number unification can now return `null`, so we can give helpful errors from the aggregator
Jolanrensen
committed