| // 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 "common/object_pool.h" |
| #include "common/status.h" |
| #include "exprs/expr.h" |
| #include "exprs/expr_context.h" |
| #include "gen_cpp/PaloInternalService_types.h" |
| #include "gen_cpp/internal_service.pb.h" |
| #include "runtime/exec_env.h" |
| #include "runtime/tuple_row.h" |
| #include "util/runtime_profile.h" |
| |
| namespace doris { |
| |
| class TFoldConstantParams; |
| class TExpr; |
| class TQueryGlobals; |
| |
| // This class used to fold constant expr from fe |
| class FoldConstantExecutor { |
| public: |
| // fold constant expr |
| Status fold_constant_expr(const TFoldConstantParams& params, PConstantExprResult* response); |
| |
| // fold constant vexpr |
| Status fold_constant_vexpr(const TFoldConstantParams& params, PConstantExprResult* response); |
| |
| private: |
| // init runtime_state and mem_tracker |
| Status _init(const TQueryGlobals& query_globals); |
| // prepare expr |
| template <typename Context> |
| Status _prepare_and_open(Context* ctx); |
| |
| template <bool is_vec = false> |
| std::string _get_result(void* src, size_t size, PrimitiveType slot_type); |
| |
| std::unique_ptr<RuntimeState> _runtime_state; |
| std::unique_ptr<MemTracker> _mem_tracker; |
| RuntimeProfile* _runtime_profile = nullptr; |
| std::unique_ptr<MemPool> _mem_pool; |
| ObjectPool _pool; |
| static TUniqueId _dummy_id; |
| }; |
| } // namespace doris |