org.apache.paimon.predicate

Class CompoundPredicate

java.lang.Object

org.apache.paimon.predicate.CompoundPredicate

All Implemented Interfaces:

Serializable, Predicate

public class CompoundPredicate
extends Object
implements Predicate

Non-leaf node in a Predicate tree. Its evaluation result depends on the results of its children.

See Also:

Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	CompoundPredicate.Function Evaluate the predicate result based on multiple Predicates.

Constructor Summary

Constructors

Constructor and Description
CompoundPredicate(CompoundPredicate.Function function, List<Predicate> children)

Method Summary

Modifier and Type	Method and Description
List<Predicate>	children()
boolean	equals(Object o)
CompoundPredicate.Function	function()
int	hashCode()
Optional<Predicate>	negate()
boolean	test(InternalRow row) Test based on the specific input row.
boolean	test(long rowCount, InternalRow minValues, InternalRow maxValues, InternalArray nullCounts) Test based on the statistical information to determine whether a hit is possible.
String	toString()
<T> T	visit(PredicateVisitor<T> visitor)

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

CompoundPredicate

public CompoundPredicate(CompoundPredicate.Function function,
                         List<Predicate> children)

Method Detail

function

public CompoundPredicate.Function function()

children

public List<Predicate> children()

test

public boolean test(InternalRow row)

Description copied from interface: Predicate

Test based on the specific input row.

Specified by:

test in interface Predicate

Returns:

return true when hit, false when not hit.

test

public boolean test(long rowCount,
                    InternalRow minValues,
                    InternalRow maxValues,
                    InternalArray nullCounts)

Description copied from interface: Predicate

Test based on the statistical information to determine whether a hit is possible.

Specified by:

test in interface Predicate

Returns:

return true is likely to hit (there may also be false positives), return false is absolutely not possible to hit.

negate

public Optional<Predicate> negate()

Specified by:

negate in interface Predicate

Returns:

the negation predicate of this predicate if possible.

visit

public <T> T visit(PredicateVisitor<T> visitor)

Specified by:

visit in interface Predicate

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

toString

public String toString()

Overrides:

toString in class Object