public class IsNotNull extends LeafUnaryFunction
NullFalseLeafBinaryFunction to eval is not null.| 限定符和类型 | 方法和说明 |
|---|---|
Optional<LeafFunction> |
negate() |
boolean |
test(DataType type,
long rowCount,
FieldStats fieldStats) |
boolean |
test(DataType type,
Object field) |
<T> T |
visit(FunctionVisitor<T> visitor,
FieldRef fieldRef,
List<Object> literals) |
test, testequals, hashCodepublic static final IsNotNull INSTANCE
public boolean test(DataType type, Object field)
test 在类中 LeafUnaryFunctionpublic boolean test(DataType type, long rowCount, FieldStats fieldStats)
test 在类中 LeafUnaryFunctionpublic Optional<LeafFunction> negate()
negate 在类中 LeafFunctionpublic <T> T visit(FunctionVisitor<T> visitor, FieldRef fieldRef, List<Object> literals)
visit 在类中 LeafFunctionCopyright © 2023 The Apache Software Foundation. All rights reserved.