org.apache.flink.table.planner.functions.inference

Class TypeInferenceReturnInference

java.lang.Object

org.apache.flink.table.planner.functions.inference.TypeInferenceReturnInference

All Implemented Interfaces:

org.apache.calcite.sql.type.SqlReturnTypeInference

@Internal
public final class TypeInferenceReturnInference
extends Object
implements org.apache.calcite.sql.type.SqlReturnTypeInference

A SqlReturnTypeInference backed by TypeInference.

Note: This class must be kept in sync with TypeInferenceUtil.

Constructor Summary

Constructors

Constructor and Description
TypeInferenceReturnInference(DataTypeFactory dataTypeFactory, FunctionDefinition definition, TypeInference typeInference)

Method Summary

Modifier and Type	Method and Description
org.apache.calcite.rel.type.RelDataType	inferReturnType(org.apache.calcite.sql.SqlOperatorBinding opBinding)

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.calcite.sql.type.SqlReturnTypeInference

andThen, orElse

Constructor Detail

TypeInferenceReturnInference

public TypeInferenceReturnInference(DataTypeFactory dataTypeFactory,
                                    FunctionDefinition definition,
                                    TypeInference typeInference)

Method Detail

inferReturnType

public org.apache.calcite.rel.type.RelDataType inferReturnType(org.apache.calcite.sql.SqlOperatorBinding opBinding)

Specified by:

inferReturnType in interface org.apache.calcite.sql.type.SqlReturnTypeInference