otel_exponential_histogram_sum(histogram: object) -> object

Aggregate merge for OpenTelemetry exponential histogram objects, summing scaled counts across inputs in each aggregate group and returning one object exponential histogram per group. It shares the aggregation behavior with otel_histogram_sum but enables the exponential layout path. Provide histogram object rows produced from ingest or prior transforms; for native exponential histogram typed columns, histogram_combine may already be the more direct merge.

Domain

This is an aggregate function (aggregates rows over a group in aggregate verbs).

Categories

• Aggregate
• Semistructured

Examples

align 15m, frame(back: 15m), o: otel_exponential_histogram_sum(exp_histogram_object)

Combines exponential histogram payloads across a fifteen-minute alignment frame for downstream quantile queries.