Package com.exasol.sql.expression.function.exasol

Class ExasolFunction

java.lang.Object

com.exasol.util.AbstractTree

com.exasol.util.AbstractTreeNode

com.exasol.sql.expression.function.AbstractFunction

com.exasol.sql.expression.function.exasol.ExasolFunction

All Implemented Interfaces:

Function, ValueExpression, TreeNode

public class ExasolFunction
extends AbstractFunction

This class represents a function in the Exasol database.

Field Summary

Fields inherited from class com.exasol.sql.expression.function.AbstractFunction

functionName, valueExpressions

Fields inherited from class com.exasol.util.AbstractTree

children, parent

Method Summary

Modifier and Type	Method	Description
void	accept(ValueExpressionVisitor visitor)	Accept a visitor
boolean	hasParenthesis()	Check if function needs parenthesis.
static ExasolFunction	of(FunctionName functionName)	Create a new ExasolFunction instance.
static ExasolFunction	of(FunctionName functionName, ValueExpression... valueExpressions)	Create a new ExasolFunction instance.

Methods inherited from class com.exasol.sql.expression.function.AbstractFunction

getFunctionName

Methods inherited from class com.exasol.util.AbstractTreeNode

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

Method Detail

of

public static ExasolFunction of(FunctionName functionName)

Create a new ExasolFunction instance.

Parameters:

functionName - name of the function

Returns:

new ExasolFunction

of

public static ExasolFunction of(FunctionName functionName,
                                ValueExpression... valueExpressions)

Create a new ExasolFunction instance.

Parameters:

functionName - name of the function

valueExpressions - zero or more value expressions

Returns:

new ExasolFunction

hasParenthesis

public boolean hasParenthesis()

Description copied from interface: Function

Check if function needs parenthesis.

Returns:

true if function has parenthesis with parameters

accept

public void accept(ValueExpressionVisitor visitor)

Description copied from interface: ValueExpression

Accept a visitor

Parameters:

visitor - visitor to accept