| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.apache.flink.table.delegation; |
| |
| import org.apache.flink.annotation.Internal; |
| import org.apache.flink.table.expressions.ResolvedExpression; |
| import org.apache.flink.table.expressions.UnresolvedCallExpression; |
| import org.apache.flink.table.types.inference.CallContext; |
| import org.apache.flink.table.types.inference.TypeInference; |
| import org.apache.flink.table.types.inference.TypeInferenceUtil; |
| |
| import java.util.List; |
| |
| /** |
| * Temporary utility for validation and output type inference until all {@code PlannerExpression} are |
| * upgraded to work with {@link TypeInferenceUtil}. |
| */ |
| @Internal |
| public interface PlannerTypeInferenceUtil { |
| |
| /** |
| * Same behavior as {@link TypeInferenceUtil#runTypeInference(TypeInference, CallContext)}. |
| */ |
| TypeInferenceUtil.Result runTypeInference( |
| UnresolvedCallExpression unresolvedCall, |
| List<ResolvedExpression> resolvedArgs); |
| } |
