Package io.deephaven.api.agg

Interface Summary

Interface	Description
Aggregation	Represents an aggregation that can be applied to a table.
Aggregation.Visitor	Visitor interface.
Aggregations.Builder
ColumnAggregations.Builder
Pair	A column pair represents an input and an output column.

Class Summary

Class	Description
AggregationDescriptions	A visitor to describe the input and aggregation column name pairs for aggregations.
AggregationOptimizer	Optimizes a collection of aggregations by grouping like-specced aggregations together.
AggregationPairs	A visitor to get the ordered input/output column name pairs for aggregations.
Aggregations	Aggregations is an Aggregation that is a collection of two or more aggregations.
ColumnAggregation	A ColumnAggregation is an Aggregation that is composed of a spec and a single input/output column pair.
ColumnAggregations	ColumnAggregations is an Aggregation that is composed of a spec and multiple input/output column pairs.
Count	An aggregation that provides a single output column with the number of rows in each aggregation group.
FirstRowKey	An aggregation that provides a single output column with the first row key from the input table for each aggregation group in the result.
LastRowKey	An aggregation that provides a single output column with the last row key from the input table for each aggregation group in the result.
Partition	An Aggregation that provides a single output column with sub-tables of the input table for each aggregation group in the result.