io.crate.expression.scalar.conditional

Class CoalesceFunction

java.lang.Object

io.crate.metadata.Scalar<java.lang.Object,java.lang.Object>

io.crate.expression.scalar.conditional.CoalesceFunction

All Implemented Interfaces:

FunctionImplementation

public class CoalesceFunction
extends Scalar<java.lang.Object,java.lang.Object>

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.String	NAME

Method Summary

Modifier and Type	Method and Description
java.lang.Object	evaluate(Input... args) Evaluate the function using the provided arguments
FunctionInfo	info() Provides meta information about this function implementation.
static void	register(ScalarFunctionModule module)

Methods inherited from class io.crate.metadata.Scalar

anyNonLiterals, compile, evaluateIfLiterals, normalizeSymbol, withOperator

Methods inherited from class java.lang.Object

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

Field Detail

NAME

public static final java.lang.String NAME

See Also:

Constant Field Values

Method Detail

evaluate

public java.lang.Object evaluate(Input... args)

Description copied from class: Scalar

Evaluate the function using the provided arguments

Specified by:

evaluate in class Scalar<java.lang.Object,java.lang.Object>

register

public static void register(ScalarFunctionModule module)

info

public FunctionInfo info()

Description copied from interface: FunctionImplementation

Provides meta information about this function implementation.