org.apache.spark.sql.sources

Class AlwaysFalse

Object

org.apache.spark.sql.sources.Filter

org.apache.spark.sql.sources.AlwaysFalse

All Implemented Interfaces:

java.io.Serializable, scala.Equals, scala.Product

public class AlwaysFalse
extends Filter
implements scala.Product, scala.Serializable

A filter that always evaluates to false.

Since:

3.0.0

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
AlwaysFalse()

Method Summary

Modifier and Type	Method and Description
static boolean	canEqual(Object x$1)
static AlwaysFalse	copy()
static boolean	equals(Object x$1)
static int	hashCode()
static int	productArity()
static Object	productElement(int x$1)
static scala.collection.Iterator<Object>	productIterator()
static String	productPrefix()
String[]	references() List of columns that are referenced by this filter.
static String	toString()
Predicate	toV2() Converts V1 filter to V2 filter
static String[][]	v2references()

Methods inherited from class org.apache.spark.sql.sources.Filter

v2references

Methods inherited from class Object

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

Methods inherited from interface scala.Product

$init$, productArity, productElement, productIterator, productPrefix

Methods inherited from interface scala.Equals

canEqual, equals

Constructor Detail

AlwaysFalse

public AlwaysFalse()

Method Detail

v2references

public static String[][] v2references()

copy

public static AlwaysFalse copy()

productPrefix

public static String productPrefix()

productArity

public static int productArity()

productElement

public static Object productElement(int x$1)

productIterator

public static scala.collection.Iterator<Object> productIterator()

canEqual

public static boolean canEqual(Object x$1)

hashCode

public static int hashCode()

toString

public static String toString()

equals

public static boolean equals(Object x$1)

references

public String[] references()

Description copied from class: Filter

List of columns that are referenced by this filter.

Note that, each element in references represents a column. The column name follows ANSI SQL names and identifiers: dots are used as separators for nested columns, name will be quoted if it contains special chars.

Specified by:

references in class Filter

Returns:

(undocumented)

toV2

public Predicate toV2()

Description copied from class: Filter

Converts V1 filter to V2 filter

Returns:

(undocumented)