Class ArgumentSpecification

java.lang.Object

io.trino.spi.function.table.ArgumentSpecification

Direct Known Subclasses:

DescriptorArgumentSpecification, ScalarArgumentSpecification, TableArgumentSpecification

@Experimental(eta="2022-10-31")
public abstract class ArgumentSpecification
extends Object

Abstract class to capture the three supported argument types for a table function: - Table arguments - Descriptor arguments - SQL scalar arguments

Each argument is named, and either passed positionally or in a `arg_name => value` convention.

Default values are allowed for all arguments except Table arguments.

Method Summary

Modifier and Type	Method	Description
Object	getDefaultValue()
String	getName()
boolean	isRequired()

Methods inherited from class java.lang.Object

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

Method Details

getName

public String getName()

isRequired

public boolean isRequired()

getDefaultValue

public Object getDefaultValue()