4e02109926
1. Fix some memory leaks 2. Remove redundant and invalid code 3. Fix some buggy writes to reduce extra memory copies and return null pointers to string 4. Reframing the naming to make the structure clearer
57 lines
1.9 KiB
C++
57 lines
1.9 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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#include "runtime/tuple_row.h"
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#include "util/runtime_profile.h"
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#include "exprs/expr_context.h"
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#include "exprs/expr.h"
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#include "common/object_pool.h"
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#include "common/status.h"
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#include "runtime/exec_env.h"
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#include "gen_cpp/internal_service.pb.h"
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#include "gen_cpp/PaloInternalService_types.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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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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Status _prepare_and_open(ExprContext* ctx);
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std::string _get_result(void* src, 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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ExecEnv* _exec_env;
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ObjectPool _pool;
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static TUniqueId _dummy_id;
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};
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}
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