Package io.deephaven.api.agg
package io.deephaven.api.agg
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ClassDescriptionRepresents an aggregation that can be applied to a table.Visitor interface.A visitor to describe the input and aggregation
column name pairs
foraggregations
.Optimizes a collection ofaggregations
by grouping like-specced aggregations together.A visitor to get the ordered outputcolumn names
foraggregations
.A visitor to get the ordered input/outputcolumn name pairs
foraggregations
.Aggregations is anAggregation
that is a collection of two or moreaggregations
.A ColumnAggregation is anAggregation
that is composed of aspec
and a single input/output columnpair
.ColumnAggregations is anAggregation
that is composed of aspec
and multiple input/output columnpairs
.Anaggregation
that provides a single output column with the number of rows in each aggregation group.Anaggregation
that provides a single output column with the first row key from the input table for each aggregation group in the result.Anaggregation
that provides a single output column that is computed by applying a formula to a set of input columns.Anaggregation
that provides a single output column with the last row key from the input table for each aggregation group in the result.AnAggregation
that provides a single output column with sub-tables of the input table for each aggregation group in the result.