HistoricalRollupInfo

Metadata describing the rollup bucket a point was aggregated from.

Field	Type	Required	Nullable	Default	Description
Id	int	Yes	No		Rollup row id.
Granularity	HistoricalRollupGranularity	Yes	No		Rollup granularity.
SessionDate	date	Yes	No		Exchange session date this bucket represents. Serialized as an ISO date.
IsFinal	bool	Yes	No		True when the bucket has been finalized after the late-arrival grace window. False while the bucket may still be restated by late observations.
BucketStartUtc	datetime	Yes	No		UTC bucket start.
BucketEndUtc	datetime	Yes	No		UTC bucket end.
SampleCount	int	Yes	No		Number of raw samples aggregated into the bucket.
SourceFirstId	int	Yes	No		First raw source id represented by the bucket.
SourceLastId	int	Yes	No		Last raw source id represented by the bucket.
SourceFirstTimestampUtc	datetime	Yes	No		UTC observation time of the first raw sample in the bucket.
SourceLastTimestampUtc	datetime	Yes	No		UTC observation time of the last raw sample in the bucket.