1 /* 2 * Copyright (c) Huawei Technologies Co., Ltd. 2023. All rights reserved. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 #ifndef ARGS_TABLE_H 17 #define ARGS_TABLE_H 18 19 #include "table_base.h" 20 #include "trace_data_cache.h" 21 22 namespace SysTuning { 23 namespace TraceStreamer { 24 class ArgsTable : public TableBase { 25 public: 26 enum Column { ID = 0, TYPE = 1, NAME = 2, ARG_ID = 3 }; 27 explicit ArgsTable(const TraceDataCache *dataCache); 28 ~ArgsTable() override; 29 std::unique_ptr<TableBase::Cursor> CreateCursor() override; 30 31 private: GetSize()32 int64_t GetSize() override 33 { 34 return dataCache_->GetConstArgSetData().Size(); 35 } 36 void GetOrbyes(FilterConstraints &argsfc, EstimatedIndexInfo &argsei) override; 37 void FilterByConstraint(FilterConstraints &argsfc, 38 double &argsfilterCost, 39 size_t argsrowCount, 40 uint32_t argscurrenti) override; 41 42 class Cursor : public TableBase::Cursor { 43 public: 44 explicit Cursor(const TraceDataCache *dataCache, TableBase *table); 45 ~Cursor() override; 46 int32_t Filter(const FilterConstraints &fc, sqlite3_value **argv) override; 47 int32_t Column(int32_t col) const override; 48 49 private: 50 const ArgSet &argSet_; 51 }; 52 }; 53 } // namespace TraceStreamer 54 } // namespace SysTuning 55 56 #endif // ARGS_TABLE_H 57