org.apache.iceberg.expressions.CountStar<T>

public class CountStar<T> extends CountAggregate<T>

See Also:

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.iceberg.expressions.Expression
Expression.Operation
Constructor Summary

Constructors

Modifier

Constructor

Description

protected

CountStar(BoundTerm<T> term)
Method Summary

Modifier and Type

Method

Description

protected Long

countFor(DataFile file)

protected Long

countFor(StructLike row)

protected boolean

hasValue(DataFile file)

Methods inherited from class org.apache.iceberg.expressions.CountAggregate
eval, eval, newAggregator

Methods inherited from class org.apache.iceberg.expressions.BoundAggregate
columnName, describe, ref, type

Methods inherited from class org.apache.iceberg.expressions.Aggregate
op, term, toString

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.apache.iceberg.expressions.Expression
isEquivalentTo, negate

Class CountStar<T>

Nested Class Summary