Package org.apache.spark.sql.connector.expressions

Class UserDefinedScalarFunc

Object

org.apache.spark.sql.internal.connector.ExpressionWithToString

org.apache.spark.sql.connector.expressions.UserDefinedScalarFunc

All Implemented Interfaces:

Serializable, Expression

@Evolving
public class UserDefinedScalarFunc
extends org.apache.spark.sql.internal.connector.ExpressionWithToString

The general representation of user defined scalar function, which contains the upper-cased function name, canonical function name and all the children expressions.

Since:

3.4.0

See Also:

• Serialized Form

Field Summary

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

EMPTY_EXPRESSION, EMPTY_NAMED_REFERENCE

Constructor Summary

Constructors

Constructor	Description
UserDefinedScalarFunc(String name, String canonicalName, Expression[] children)

Method Summary

Modifier and Type	Method	Description
String	canonicalName()
Expression[]	children()	Returns an array of the children of this node.
boolean	equals(Object o)
int	hashCode()
String	name()

Methods inherited from class org.apache.spark.sql.internal.connector.ExpressionWithToString

describe, references, toString

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Constructor Details

UserDefinedScalarFunc

public UserDefinedScalarFunc(String name,
 String canonicalName,
 Expression[] children)

Method Details

name

public String name()

canonicalName

public String canonicalName()

children

public Expression[] children()

Description copied from interface: Expression

Returns an array of the children of this node. Children should not change.

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object