Package org.apache.druid.query.expression

Class NestedDataExpressions.ToJsonStringExprMacro

java.lang.Object

org.apache.druid.query.expression.NestedDataExpressions.ToJsonStringExprMacro

All Implemented Interfaces:

ExprMacroTable.ExprMacro, NamedFunction

Enclosing class:

NestedDataExpressions

public static class NestedDataExpressions.ToJsonStringExprMacro
extends Object
implements ExprMacroTable.ExprMacro

Field Summary

Fields

Modifier and Type	Field	Description
static final String	NAME

Constructor Summary

Constructors

Constructor	Description
ToJsonStringExprMacro(com.fasterxml.jackson.databind.ObjectMapper jsonMapper)

Method Summary

Modifier and Type	Method	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, processingFailed, validationFailed, validationFailed, validationHelperCheckAnyOfArgumentCount, validationHelperCheckArgIsLiteral, validationHelperCheckArgumentCount, validationHelperCheckArgumentCount, validationHelperCheckArgumentRange, validationHelperCheckLambaArgumentCount, validationHelperCheckMinArgumentCount, validationHelperCheckMinArgumentCount

Field Details

NAME

public static final String NAME

See Also:

• Constant Field Values

Constructor Details

ToJsonStringExprMacro

@Inject
public ToJsonStringExprMacro(com.fasterxml.jackson.databind.ObjectMapper jsonMapper)

Method Details

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