1 /*
2 * Copyright (C) 2022 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/prelude/table_functions/view.h"
18
19 namespace perfetto {
20 namespace trace_processor {
21
ViewTableFunction(const View * view,const char * name)22 ViewTableFunction::ViewTableFunction(const View* view, const char* name)
23 : view_(view), name_(name) {}
24
25 ViewTableFunction::~ViewTableFunction() = default;
26
ValidateConstraints(const QueryConstraints &)27 base::Status ViewTableFunction::ValidateConstraints(const QueryConstraints&) {
28 return base::OkStatus();
29 }
30
ComputeTable(const std::vector<Constraint> & cs,const std::vector<Order> & ob,const BitVector & cols_used,std::unique_ptr<Table> & table)31 base::Status ViewTableFunction::ComputeTable(const std::vector<Constraint>& cs,
32 const std::vector<Order>& ob,
33 const BitVector& cols_used,
34 std::unique_ptr<Table>& table) {
35 table.reset(new Table(view_->Query(cs, ob, cols_used)));
36 return base::OkStatus();
37 }
38
CreateSchema()39 Table::Schema ViewTableFunction::CreateSchema() {
40 return view_->schema();
41 }
42
TableName()43 std::string ViewTableFunction::TableName() {
44 return name_;
45 }
46
EstimateRowCount()47 uint32_t ViewTableFunction::EstimateRowCount() {
48 return view_->EstimateRowCount();
49 }
50
51 } // namespace trace_processor
52 } // namespace perfetto
53