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

Class RegexpCountFunction

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.RegexpCountFunction

All Implemented Interfaces:

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

@Internal
public class RegexpCountFunction
extends BuiltInScalarFunction

Implementation of BuiltInFunctionDefinitions.REGEXP_COUNT.

See Also:

Serialized Form

Constructor Summary

Constructors

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

Method Summary

Modifier and Type	Method	Description
Integer	eval(org.apache.flink.table.data.StringData str, org.apache.flink.table.data.StringData regex)

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

Methods inherited from interface org.apache.flink.table.functions.FunctionDefinition

supportsConstantFolding

Constructor Detail

RegexpCountFunction

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

Method Detail

eval

@Nullable
public Integer eval(@Nullable
                    org.apache.flink.table.data.StringData str,
                    @Nullable
                    org.apache.flink.table.data.StringData regex)