Package org.apache.druid.query.filter

Class NullFilter.NullPredicateFactory

java.lang.Object

org.apache.druid.query.filter.NullFilter.NullPredicateFactory

All Implemented Interfaces:

DruidPredicateFactory

Enclosing class:

NullFilter

public static class NullFilter.NullPredicateFactory
extends Object
implements DruidPredicateFactory

Field Summary

Fields

Modifier and Type	Field	Description
static NullFilter.NullPredicateFactory	INSTANCE

Method Summary

Modifier and Type	Method	Description
boolean	equals(Object obj)
int	hashCode()
DruidObjectPredicate<Object[]>	makeArrayPredicate(TypeSignature<ValueType> arrayType)
DruidDoublePredicate	makeDoublePredicate()
DruidFloatPredicate	makeFloatPredicate()
DruidLongPredicate	makeLongPredicate()
DruidObjectPredicate<Object>	makeObjectPredicate()	Object predicate is currently only used by vectorized matchers for non-string object selectors.
DruidObjectPredicate<String>	makeStringPredicate()
String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

INSTANCE

public static final NullFilter.NullPredicateFactory INSTANCE

Method Detail

makeStringPredicate

public DruidObjectPredicate<String> makeStringPredicate()

Specified by:

makeStringPredicate in interface DruidPredicateFactory

makeLongPredicate

public DruidLongPredicate makeLongPredicate()

Specified by:

makeLongPredicate in interface DruidPredicateFactory

makeFloatPredicate

public DruidFloatPredicate makeFloatPredicate()

Specified by:

makeFloatPredicate in interface DruidPredicateFactory

makeDoublePredicate

public DruidDoublePredicate makeDoublePredicate()

Specified by:

makeDoublePredicate in interface DruidPredicateFactory

makeArrayPredicate

public DruidObjectPredicate<Object[]> makeArrayPredicate(@Nullable
                                                         TypeSignature<ValueType> arrayType)

Specified by:

makeArrayPredicate in interface DruidPredicateFactory

makeObjectPredicate

public DruidObjectPredicate<Object> makeObjectPredicate()

Description copied from interface: DruidPredicateFactory

Object predicate is currently only used by vectorized matchers for non-string object selectors. This currently means it will be used only if we encounter COMPLEX types, but will also include array types once they are more supported throughout the query engines. To preserve behavior with non-vectorized matchers which use a string predicate with null inputs for these 'nil' matchers, we do the same thing here.

Specified by:

makeObjectPredicate in interface DruidPredicateFactory

See Also:

VectorColumnProcessorFactory.makeObjectProcessor(org.apache.druid.segment.column.ColumnCapabilities, org.apache.druid.segment.vector.VectorObjectSelector)

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

toString

public String toString()

Overrides:

toString in class Object