UnhexFunction (Flink : Table : Runtime 2.0.0 API)

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.UnhexFunction

All Implemented Interfaces:

Serializable, org.apache.flink.table.functions.FunctionDefinition
```
@Internal
public class UnhexFunction
extends BuiltInScalarFunction
```
Implementation of BuiltInFunctionDefinitions.UNHEX.

See Also:

Serialized Form

- Constructor Summary
  
  Constructors
  Constructor Description
  
  UnhexFunction(org.apache.flink.table.functions.SpecializedFunction.SpecializedContext context)
- Method Summary
  
  All Methods Instance Methods Concrete Methods
  Modifier and Type Method Description
  
  byte[] eval(org.apache.flink.table.data.StringData expr)
  - 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

UnhexFunction

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

Method Detail

eval

@Nullable
public byte[] eval(@Nullable
                   org.apache.flink.table.data.StringData expr)