GroupByScanAggregation#

public final class GroupByScanAggregation#

An aggregation that can be used for a grouped scan.

Method Summary

`count(NullPolicy nullPolicy)`	Count number of elements.
`denseRank()`	Get the row’s dense ranking.
`equals(Object other)`
`hashCode()`
`max()`	Max Aggregation.
`min()`	Min Aggregation.
`onColumn(int columnIndex)`	Add a column to the Aggregation so it can be used on a specific column of data.
`percentRank()`	Get the row’s percent ranking.
`product()`	Product Aggregation.
`rank()`	Get the row’s ranking.
`sum()`	Sum Aggregation.

Methods

public GroupByScanAggregationOnColumn onColumn(int columnIndex)#

Add a column to the Aggregation so it can be used on a specific column of data.

Static Methods

public static GroupByScanAggregation count(NullPolicy nullPolicy)#

Count number of elements.

Parameters:: nullPolicy – INCLUDE if nulls should be counted. EXCLUDE if only non-null values should be counted.

public static GroupByScanAggregation denseRank()#: Get the row’s dense ranking.

public static GroupByScanAggregation percentRank()#: Get the row’s percent ranking.