public class CountNonNull<T> extends CountAggregate<T>
Expression.Operation
Modifier | Constructor and Description |
---|---|
protected |
CountNonNull(BoundTerm<T> term) |
Modifier and Type | Method and Description |
---|---|
protected java.lang.Long |
countFor(DataFile file) |
protected java.lang.Long |
countFor(StructLike row) |
protected boolean |
hasValue(DataFile file) |
eval, eval, newAggregator
columnName, describe, ref, type
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
isEquivalentTo, negate
protected java.lang.Long countFor(StructLike row)
countFor
in class CountAggregate<T>
protected boolean hasValue(DataFile file)
protected java.lang.Long countFor(DataFile file)
countFor
in class CountAggregate<T>