org.apache.hudi.source

Class ExpressionPredicates.AlwaysNull

java.lang.Object

org.apache.hudi.source.ExpressionPredicates.AlwaysNull

All Implemented Interfaces:

Serializable, ExpressionPredicates.Predicate

Enclosing class:

ExpressionPredicates

public static class ExpressionPredicates.AlwaysNull
extends Object
implements ExpressionPredicates.Predicate

A special predicate which is not possible to match any condition.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
AlwaysNull()

Method Summary

Modifier and Type	Method and Description
org.apache.parquet.filter2.predicate.FilterPredicate	filter() Predicates the criteria for which records to keep when loading data from a parquet file.
static ExpressionPredicates.AlwaysNull	getInstance()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

AlwaysNull

public AlwaysNull()

Method Detail

getInstance

public static ExpressionPredicates.AlwaysNull getInstance()

filter

public org.apache.parquet.filter2.predicate.FilterPredicate filter()

Description copied from interface: ExpressionPredicates.Predicate

Predicates the criteria for which records to keep when loading data from a parquet file.

Specified by:

filter in interface ExpressionPredicates.Predicate

Returns:

A filter predicate of parquet file.