/* * Copyright (C) 2018 The Android Open Source Project * * Licensed 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. */ #include "src/trace_processor/instants_table.h" #include <string> #include "src/trace_processor/storage_columns.h" namespace perfetto { namespace trace_processor { InstantsTable::InstantsTable(sqlite3*, const TraceStorage* storage) : storage_(storage) {} void InstantsTable::RegisterTable(sqlite3* db, const TraceStorage* storage) { Table::Register<InstantsTable>(db, storage, "instants"); } StorageSchema InstantsTable::CreateStorageSchema() { const auto& instants = storage_->instants(); return StorageSchema::Builder() .AddGenericNumericColumn("id", RowIdAccessor(TableId::kInstants)) .AddOrderedNumericColumn("ts", &instants.timestamps()) .AddStringColumn("name", &instants.name_ids(), &storage_->string_pool()) .AddNumericColumn("value", &instants.values()) .AddNumericColumn("ref", &instants.refs()) .AddStringColumn("ref_type", &instants.types(), &GetRefTypeStringMap()) .AddNumericColumn("arg_set_id", &instants.arg_set_ids()) .Build({"name", "ts", "ref"}); } uint32_t InstantsTable::RowCount() { return static_cast<uint32_t>(storage_->instants().instant_count()); } int InstantsTable::BestIndex(const QueryConstraints& qc, BestIndexInfo* info) { info->estimated_cost = static_cast<uint32_t>(storage_->instants().instant_count()); // Only the string columns are handled by SQLite info->order_by_consumed = true; size_t name_index = schema().ColumnIndexFromName("name"); size_t ref_type_index = schema().ColumnIndexFromName("ref_type"); for (size_t i = 0; i < qc.constraints().size(); i++) { info->omit[i] = qc.constraints()[i].iColumn != static_cast<int>(name_index) && qc.constraints()[i].iColumn != static_cast<int>(ref_type_index); } return SQLITE_OK; } } // namespace trace_processor } // namespace perfetto