| // 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. |
| |
| #pragma once |
| |
| #include <fmt/core.h> |
| |
| #include "common/status.h" |
| #include "vec/core/block.h" |
| #include "vec/exprs/vexpr_context.h" |
| |
| namespace doris::vectorized { |
| class VExpr; |
| class LambdaFunction { |
| public: |
| virtual ~LambdaFunction() = default; |
| |
| virtual std::string get_name() const = 0; |
| |
| virtual doris::Status execute(VExprContext* context, doris::vectorized::Block* block, |
| int* result_column_id, DataTypePtr result_type, |
| const std::vector<VExpr*>& children) = 0; |
| }; |
| |
| using LambdaFunctionPtr = std::shared_ptr<LambdaFunction>; |
| |
| } // namespace doris::vectorized |