1 /* 2 * Copyright (C) 2018 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef SRC_TRACE_PROCESSOR_ARGS_TABLE_H_ 18 #define SRC_TRACE_PROCESSOR_ARGS_TABLE_H_ 19 20 #include "src/trace_processor/storage_table.h" 21 #include "src/trace_processor/trace_storage.h" 22 23 namespace perfetto { 24 namespace trace_processor { 25 26 class ArgsTable : public StorageTable { 27 public: 28 using VariadicType = TraceStorage::Args::Variadic::Type; 29 30 static void RegisterTable(sqlite3* db, const TraceStorage* storage); 31 32 ArgsTable(sqlite3*, const TraceStorage*); 33 34 // StorageTable implementation. 35 StorageSchema CreateStorageSchema() override; 36 uint32_t RowCount() override; 37 int BestIndex(const QueryConstraints&, BestIndexInfo*) override; 38 39 private: 40 class ValueColumn final : public StorageColumn { 41 public: 42 ValueColumn(std::string col_name, 43 VariadicType type, 44 const TraceStorage* storage); 45 46 void ReportResult(sqlite3_context* ctx, uint32_t row) const override; 47 48 Bounds BoundFilter(int op, sqlite3_value* sqlite_val) const override; 49 50 void Filter(int op, sqlite3_value* value, FilteredRowIndex*) const override; 51 52 Comparator Sort(const QueryConstraints::OrderBy& ob) const override; 53 HasOrdering()54 bool HasOrdering() const override { return false; } 55 GetType()56 Table::ColumnType GetType() const override { 57 switch (type_) { 58 case VariadicType::kInt: 59 return Table::ColumnType::kLong; 60 case VariadicType::kReal: 61 return Table::ColumnType::kDouble; 62 case VariadicType::kString: 63 return Table::ColumnType::kString; 64 } 65 PERFETTO_FATAL("Not reached"); // For gcc 66 } 67 68 private: 69 int CompareRefsAsc(uint32_t f, uint32_t s) const; 70 71 TraceStorage::Args::Variadic::Type type_; 72 const TraceStorage* storage_ = nullptr; 73 }; 74 75 const TraceStorage* const storage_; 76 }; 77 78 } // namespace trace_processor 79 } // namespace perfetto 80 81 #endif // SRC_TRACE_PROCESSOR_ARGS_TABLE_H_ 82