类的使用
org.apache.flink.table.types.inference.TypeInference

使用TypeInference的程序包

程序包	说明
org.apache.flink.table.functions
org.apache.flink.table.functions.python
org.apache.flink.table.types.extraction
org.apache.flink.table.types.inference

org.apache.flink.table.functions中TypeInference的使用

返回TypeInference的org.apache.flink.table.functions中的方法

限定符和类型	方法和说明
TypeInference	ScalarFunction.getTypeInference(DataTypeFactory typeFactory)
TypeInference	TableFunction.getTypeInference(DataTypeFactory typeFactory)
TypeInference	BuiltInFunctionDefinition.getTypeInference(DataTypeFactory typeFactory)
TypeInference	TableAggregateFunction.getTypeInference(DataTypeFactory typeFactory)
TypeInference	AggregateFunction.getTypeInference(DataTypeFactory typeFactory)
TypeInference	FunctionDefinition.getTypeInference(DataTypeFactory typeFactory) Returns the logic for performing type inference of a call to this function definition.
TypeInference	AsyncTableFunction.getTypeInference(DataTypeFactory typeFactory)
TypeInference	AggregateFunctionDefinition.getTypeInference(DataTypeFactory typeFactory)
abstract TypeInference	UserDefinedFunction.getTypeInference(DataTypeFactory typeFactory) Returns the logic for performing type inference of a call to this function definition.
TypeInference	TableAggregateFunctionDefinition.getTypeInference(DataTypeFactory typeFactory)
TypeInference	ScalarFunctionDefinition.getTypeInference(DataTypeFactory factory)
TypeInference	TableFunctionDefinition.getTypeInference(DataTypeFactory typeFactory)

org.apache.flink.table.functions.python中TypeInference的使用

返回TypeInference的org.apache.flink.table.functions.python中的方法

限定符和类型	方法和说明
TypeInference	PythonTableFunction.getTypeInference(DataTypeFactory typeFactory)
TypeInference	PythonAggregateFunction.getTypeInference(DataTypeFactory typeFactory)
TypeInference	PythonScalarFunction.getTypeInference(DataTypeFactory typeFactory)

org.apache.flink.table.types.extraction中TypeInference的使用

返回TypeInference的org.apache.flink.table.types.extraction中的方法

限定符和类型	方法和说明
static TypeInference	TypeInferenceExtractor.forAggregateFunction(DataTypeFactory typeFactory, Class<? extends AggregateFunction<?,?>> function) Extracts a type inference from a AggregateFunction.
static TypeInference	TypeInferenceExtractor.forAsyncTableFunction(DataTypeFactory typeFactory, Class<? extends AsyncTableFunction<?>> function) Extracts a type inference from a AsyncTableFunction.
static TypeInference	TypeInferenceExtractor.forScalarFunction(DataTypeFactory typeFactory, Class<? extends ScalarFunction> function) Extracts a type inference from a ScalarFunction.
static TypeInference	TypeInferenceExtractor.forTableAggregateFunction(DataTypeFactory typeFactory, Class<? extends TableAggregateFunction<?,?>> function) Extracts a type inference from a TableAggregateFunction.
static TypeInference	TypeInferenceExtractor.forTableFunction(DataTypeFactory typeFactory, Class<? extends TableFunction<?>> function) Extracts a type inference from a TableFunction.

org.apache.flink.table.types.inference中TypeInference的使用

返回TypeInference的org.apache.flink.table.types.inference中的方法

限定符和类型	方法和说明
TypeInference	TypeInference.Builder.build()

参数类型为TypeInference的org.apache.flink.table.types.inference中的方法

限定符和类型	方法和说明
static CallContext	TypeInferenceUtil.adaptArguments(TypeInference typeInference, CallContext callContext, DataType outputType) Adapts the call's argument if necessary.
static ValidationException	TypeInferenceUtil.createInvalidInputException(TypeInference typeInference, CallContext callContext, ValidationException cause) Returns an exception for invalid input arguments.
static String	TypeInferenceUtil.generateSignature(TypeInference typeInference, String name, FunctionDefinition definition) Generates a signature of the given FunctionDefinition.
static TypeInferenceUtil.Result	TypeInferenceUtil.runTypeInference(TypeInference typeInference, CallContext callContext, TypeInferenceUtil.SurroundingInfo surroundingInfo) Runs the entire type inference process.

参数类型为TypeInference的org.apache.flink.table.types.inference中的构造器

构造器和说明
SurroundingInfo(String name, FunctionDefinition functionDefinition, TypeInference typeInference, int argumentCount, int innerCallPosition)