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(org.apache.flink.table.catalog.DataTypeFactory dataTypeFactory, org.apache.flink.table.functions.FunctionDefinition definition, org.apache.flink.table.types.inference.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(org.apache.flink.table.catalog.DataTypeFactory dataTypeFactory,
                                    org.apache.flink.table.functions.FunctionDefinition definition,
                                    org.apache.flink.table.types.inference.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