Package io.trino.sql.ir

Record Class IsNull

java.lang.Object

java.lang.Record

io.trino.sql.ir.IsNull

All Implemented Interfaces:

Expression

public record IsNull(Expression value)
extends Record
implements Expression

Constructor Summary

Constructors

Constructor	Description
IsNull(Expression value)	Creates an instance of a IsNull record class.

Method Summary

Modifier and Type	Method	Description
<R, C> R	accept(IrVisitor<R,C> visitor, C context)	Accessible for IrVisitor, use IrVisitor.process(Expression, Object) instead.
List<? extends Expression>	children()
final boolean	equals(Object o)	Indicates whether some other object is "equal to" this one.
final int	hashCode()	Returns a hash code value for this object.
String	toString()	Returns a string representation of this record class.
Type	type()
Expression	value()	Returns the value of the value record component.

Methods inherited from class java.lang.Object

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

Constructor Details

IsNull

public IsNull(Expression value)

Creates an instance of a IsNull record class.

Parameters:

value - the value for the value record component

Method Details

type

public Type type()

Specified by:

type in interface Expression

accept

public <R,
C> R accept(IrVisitor<R,C> visitor,
 C context)

Description copied from interface: Expression

Accessible for IrVisitor, use IrVisitor.process(Expression, Object) instead.

Specified by:

accept in interface Expression

children

public List<? extends Expression> children()

Specified by:

children in interface Expression

toString

public String toString()

Returns a string representation of this record class. The representation contains the name of the class, followed by the name and value of each of the record components.

Specified by:

toString in class Record

Returns:

a string representation of this object

hashCode

public final int hashCode()

Returns a hash code value for this object. The value is derived from the hash code of each of the record components.

Specified by:

hashCode in class Record

Returns:

a hash code value for this object

equals

public final boolean equals(Object o)

Indicates whether some other object is "equal to" this one. The objects are equal if the other object is of the same class and if all the record components are equal. All components in this record class are compared with Objects::equals(Object,Object).

Specified by:

equals in class Record

Parameters:

o - the object with which to compare

Returns:

true if this object is the same as the o argument; false otherwise.

value

public Expression value()

Returns the value of the value record component.

Returns:

the value of the value record component