public abstract class BooleanAggregateFunction extends AggregateFunction<BooleanColumn,Boolean>
Constructor | Description |
---|---|
BooleanAggregateFunction(String name) |
Modifier and Type | Method | Description |
---|---|---|
boolean |
isCompatibleColumn(ColumnType type) |
|
ColumnType |
returnType() |
|
abstract Boolean |
summarize(BooleanColumn column) |
functionName, toString
public BooleanAggregateFunction(String name)
public abstract Boolean summarize(BooleanColumn column)
summarize
in class AggregateFunction<BooleanColumn,Boolean>
public boolean isCompatibleColumn(ColumnType type)
isCompatibleColumn
in class AggregateFunction<BooleanColumn,Boolean>
public ColumnType returnType()
returnType
in class AggregateFunction<BooleanColumn,Boolean>
Copyright © 2021. All rights reserved.