63 lines
2.1 KiB
C++
63 lines
2.1 KiB
C++
// Licensed to the Apache Software Foundation (ASF) under one
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// or more contributor license agreements. See the NOTICE file
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// distributed with this work for additional information
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// regarding copyright ownership. The ASF licenses this file
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// to you under the Apache License, Version 2.0 (the
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// "License"); you may not use this file except in compliance
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// with the License. You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing,
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// software distributed under the License is distributed on an
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// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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// KIND, either express or implied. See the License for the
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// specific language governing permissions and limitations
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// under the License.
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#pragma once
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#include "common/object_pool.h"
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#include "common/status.h"
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#include "exprs/expr.h"
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#include "exprs/expr_context.h"
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#include "gen_cpp/PaloInternalService_types.h"
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#include "gen_cpp/internal_service.pb.h"
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#include "runtime/exec_env.h"
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#include "runtime/tuple_row.h"
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#include "util/runtime_profile.h"
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namespace doris {
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class TFoldConstantParams;
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class TExpr;
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class TQueryGlobals;
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// This class used to fold constant expr from fe
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class FoldConstantExecutor {
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public:
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// fold constant expr
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Status fold_constant_expr(const TFoldConstantParams& params, PConstantExprResult* response);
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// fold constant vexpr
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Status fold_constant_vexpr(const TFoldConstantParams& params, PConstantExprResult* response);
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private:
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// init runtime_state and mem_tracker
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Status _init(const TQueryGlobals& query_globals);
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// prepare expr
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template <typename Context>
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Status _prepare_and_open(Context* ctx);
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template <bool is_vec = false>
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std::string _get_result(void* src, size_t size, PrimitiveType slot_type);
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std::unique_ptr<RuntimeState> _runtime_state;
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std::shared_ptr<MemTracker> _mem_tracker;
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RuntimeProfile* _runtime_profile = nullptr;
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std::unique_ptr<MemPool> _mem_pool;
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ObjectPool _pool;
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static TUniqueId _dummy_id;
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};
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} // namespace doris
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