org.apache.flink.table.types.inference

类 TypeInferenceUtil.Result

java.lang.Object

org.apache.flink.table.types.inference.TypeInferenceUtil.Result

封闭类:

TypeInferenceUtil

public static final class TypeInferenceUtil.Result
extends Object

The result of a type inference run. It contains information about how arguments need to be adapted in order to comply with the function's signature.

This includes casts that need to be inserted, reordering of arguments (*), or insertion of default values (*) where (*) is future work.

构造器概要

构造器

构造器和说明
Result(List<DataType> expectedArgumentTypes, DataType accumulatorDataType, DataType outputDataType)

方法概要

限定符和类型	方法和说明
Optional<DataType>	getAccumulatorDataType()
List<DataType>	getExpectedArgumentTypes()
DataType	getOutputDataType()

从类继承的方法 java.lang.Object

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

构造器详细资料

Result

public Result(List<DataType> expectedArgumentTypes,
              @Nullable
              DataType accumulatorDataType,
              DataType outputDataType)

方法详细资料

getExpectedArgumentTypes

public List<DataType> getExpectedArgumentTypes()

getAccumulatorDataType

public Optional<DataType> getAccumulatorDataType()

getOutputDataType

public DataType getOutputDataType()