CountNonNull

java.lang.Object
- org.apache.iceberg.expressions.Aggregate<BoundTerm<T>>
- - org.apache.iceberg.expressions.BoundAggregate<T,java.lang.Long>
  - - org.apache.iceberg.expressions.CountAggregate<T>
    - - org.apache.iceberg.expressions.CountNonNull<T>

All Implemented Interfaces:

java.io.Serializable, Bound<java.lang.Long>, Expression
```
public class CountNonNull<T>
extends CountAggregate<T>
```
See Also:

Serialized Form

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

Constructor Summary

Constructors
Modifier Constructor Description

protected CountNonNull(BoundTerm<T> term)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`protected java.lang.Long`	`countFor(DataFile file)`
`protected java.lang.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

Constructor Detail

CountNonNull

protected CountNonNull(BoundTerm<T> term)

Method Detail

countFor

protected java.lang.Long countFor(StructLike row)

Overrides:: countFor in class CountAggregate<T>

hasValue

protected boolean hasValue(DataFile file)

countFor

protected java.lang.Long countFor(DataFile file)

Overrides:: countFor in class CountAggregate<T>