org.apache.druid.query.expression

Class IPv4AddressStringifyExprMacro

java.lang.Object

org.apache.druid.query.expression.IPv4AddressStringifyExprMacro

All Implemented Interfaces:

ExprMacroTable.ExprMacro, NamedFunction

public class IPv4AddressStringifyExprMacro
extends Object
implements ExprMacroTable.ExprMacro

 Implements an expression that converts a long or a string into an IPv4 address dotted-decimal string.

 Expression signatures:
 - string ipv4_stringify(long)
 - string ipv4_stringify(string)

 Long arguments that can be represented as an IPv4 address are converted to a dotted-decimal string.
 String arguments that are dotted-decimal IPv4 addresses are passed through.
 Invalid arguments return null.
 

See Also:

IPv4AddressParseExprMacro, IPv4AddressMatchExprMacro

Field Summary

Fields

Modifier and Type	Field and Description
static String	FN_NAME

Constructor Summary

Constructors

Constructor and Description
IPv4AddressStringifyExprMacro()

Method Summary

Modifier and Type	Method and Description
Expr	apply(List<Expr> args)
String	name() Name of the function

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.druid.math.expr.NamedFunction

processingFailed, validationFailed, validationFailed, validationHelperCheckAnyOfArgumentCount, validationHelperCheckArgIsLiteral, validationHelperCheckArgumentCount, validationHelperCheckArgumentCount, validationHelperCheckArgumentRange, validationHelperCheckLambaArgumentCount, validationHelperCheckMinArgumentCount, validationHelperCheckMinArgumentCount

Field Detail

FN_NAME

public static final String FN_NAME

See Also:

Constant Field Values

Constructor Detail

IPv4AddressStringifyExprMacro

public IPv4AddressStringifyExprMacro()

Method Detail

name

public String name()

Description copied from interface: NamedFunction

Name of the function

Specified by:

name in interface NamedFunction

apply

public Expr apply(List<Expr> args)

Specified by:

apply in interface ExprMacroTable.ExprMacro