org.apache.gravitino.rel.expressions.literals

Interface Literal<T>

Type Parameters:

T - the JVM type of value held by the literal

All Superinterfaces:

Expression

All Known Implementing Classes:

LiteralDTO, Literals.LiteralImpl

@Evolving
public interface Literal<T>
extends Expression

Represents a constant literal value in the public expression API.

Field Summary

Fields inherited from interface org.apache.gravitino.rel.expressions.Expression

EMPTY_EXPRESSION, EMPTY_NAMED_REFERENCE

Method Summary

Modifier and Type	Method and Description
default Expression[]	children()
Type	dataType()
T	value()

Methods inherited from interface org.apache.gravitino.rel.expressions.Expression

references

Method Detail

value

T value()

Returns:

The literal value.

dataType

Type dataType()

Returns:

The data type of the literal.

children

default Expression[] children()

Specified by:

children in interface Expression

Returns:

An array of the children of this node. Children should not change.