org.apache.spark.sql.connector.expressions.filter

Class AlwaysFalse

Object

org.apache.spark.sql.connector.expressions.GeneralScalarExpression

org.apache.spark.sql.connector.expressions.filter.Predicate

org.apache.spark.sql.connector.expressions.filter.AlwaysFalse

All Implemented Interfaces:

java.io.Serializable, Expression, Literal<Boolean>

@Evolving
public final class AlwaysFalse
extends Predicate
implements Literal<Boolean>

A predicate that always evaluates to false.

Since:

3.3.0

See Also:

Serialized Form

Field Summary

Fields inherited from interface org.apache.spark.sql.connector.expressions.Expression

EMPTY_EXPRESSION

Constructor Summary

Constructors

Constructor and Description
AlwaysFalse()

Method Summary

Modifier and Type	Method and Description
DataType	dataType() Returns the SQL data type of the literal.
String	toString()
Boolean	value() Returns the literal value.

Methods inherited from class org.apache.spark.sql.connector.expressions.GeneralScalarExpression

children, equals, hashCode, name

Methods inherited from class Object

getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.apache.spark.sql.connector.expressions.Literal

children

Methods inherited from interface org.apache.spark.sql.connector.expressions.Expression

describe, references

Constructor Detail

AlwaysFalse

public AlwaysFalse()

Method Detail

value

public Boolean value()

Description copied from interface: Literal

Returns the literal value.

Specified by:

value in interface Literal<Boolean>

dataType

public DataType dataType()

Description copied from interface: Literal

Returns the SQL data type of the literal.

Specified by:

dataType in interface Literal<Boolean>

toString

public String toString()

Overrides:

toString in class GeneralScalarExpression