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 #include "src/trace_processor/storage_schema.h"
18
19 #include "src/trace_processor/row_iterators.h"
20
21 namespace perfetto {
22 namespace trace_processor {
23
24 StorageSchema::StorageSchema() = default;
StorageSchema(Columns columns,std::vector<std::string> primary_keys)25 StorageSchema::StorageSchema(Columns columns,
26 std::vector<std::string> primary_keys)
27 : columns_(std::move(columns)), primary_keys_(std::move(primary_keys)) {}
28
ToTableSchema()29 Table::Schema StorageSchema::ToTableSchema() {
30 std::vector<Table::Column> columns;
31 size_t i = 0;
32 for (const auto& col : columns_)
33 columns.emplace_back(i++, col->name(), col->GetType(), col->hidden());
34
35 std::vector<size_t> primary_keys;
36 for (const auto& p_key : primary_keys_)
37 primary_keys.emplace_back(ColumnIndexFromName(p_key));
38 return Table::Schema(std::move(columns), std::move(primary_keys));
39 }
40
ColumnIndexFromName(const std::string & name) const41 size_t StorageSchema::ColumnIndexFromName(const std::string& name) const {
42 auto p = [name](const std::unique_ptr<StorageColumn>& col) {
43 return name == col->name();
44 };
45 auto it = std::find_if(columns_.begin(), columns_.end(), p);
46 return static_cast<size_t>(std::distance(columns_.begin(), it));
47 }
48
49 } // namespace trace_processor
50 } // namespace perfetto
51