Package com.exasol.sql.expression

Class DefaultValue

java.lang.Object

com.exasol.util.AbstractTree

com.exasol.util.AbstractBottomUpTreeNode

com.exasol.sql.expression.AbstractValueExpression

com.exasol.sql.expression.DefaultValue

All Implemented Interfaces:

ValueExpression, TreeNode

public final class DefaultValue
extends AbstractValueExpression

The DefaultValue is an expression that tells the database to take the default value for a column (in case it is defined).

This is for example used in updates embedded into MERGE statements.

Field Summary

Fields inherited from class com.exasol.util.AbstractTree

children, parent

Constructor Summary

Constructors

Constructor	Description
DefaultValue()

Method Summary

Modifier and Type	Method	Description
void	accept(ValueExpressionVisitor visitor)	Accept a visitor
static ValueExpression	defaultValue()

Methods inherited from class com.exasol.util.AbstractBottomUpTreeNode

addChild, getRoot, setParent

Methods inherited from class com.exasol.util.AbstractTree

getChild, getChildren, getParent, isChild, isFirstSibling, isRoot, isSibling

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.exasol.util.TreeNode

addChild, getChild, getChildren, getParent, getRoot, isChild, isFirstSibling, isRoot, isSibling, setParent

Constructor Detail

DefaultValue

public DefaultValue()

Method Detail

defaultValue

public static ValueExpression defaultValue()

accept

public void accept(ValueExpressionVisitor visitor)

Description copied from interface: ValueExpression

Accept a visitor

Parameters:

visitor - visitor to accept