org.apache.flink.table.runtime.functions.scalar

Class ArrayJoinFunction

java.lang.Object

org.apache.flink.table.functions.UserDefinedFunction

org.apache.flink.table.functions.ScalarFunction

org.apache.flink.table.runtime.functions.scalar.BuiltInScalarFunction

org.apache.flink.table.runtime.functions.scalar.ArrayJoinFunction

All Implemented Interfaces:

Serializable, org.apache.flink.table.functions.FunctionDefinition

@Internal
public class ArrayJoinFunction
extends BuiltInScalarFunction

Implementation of BuiltInFunctionDefinitions.ARRAY_JOIN.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
ArrayJoinFunction(org.apache.flink.table.functions.SpecializedFunction.SpecializedContext context)

Method Summary

Modifier and Type	Method and Description
org.apache.flink.table.data.StringData	eval(org.apache.flink.table.data.ArrayData array, org.apache.flink.table.data.StringData delimiter, org.apache.flink.table.data.StringData... nullReplacement)

Methods inherited from class org.apache.flink.table.runtime.functions.scalar.BuiltInScalarFunction

getArgumentDataTypes, getOutputDataType, getRequirements, getTypeInference, isDeterministic

Methods inherited from class org.apache.flink.table.functions.ScalarFunction

getKind, getParameterTypes, getResultType

Methods inherited from class org.apache.flink.table.functions.UserDefinedFunction

close, functionIdentifier, open, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

ArrayJoinFunction

public ArrayJoinFunction(org.apache.flink.table.functions.SpecializedFunction.SpecializedContext context)

Method Detail

eval

@Nullable
public org.apache.flink.table.data.StringData eval(org.apache.flink.table.data.ArrayData array,
                                                             org.apache.flink.table.data.StringData delimiter,
                                                             org.apache.flink.table.data.StringData... nullReplacement)