/*
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* Copyright (C) 9 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "src/trace_processor/counter_values_table.h"
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namespace perfetto {
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namespace trace_processor {
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CounterValuesTable::CounterValuesTable(sqlite3*, const TraceStorage* storage)
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: storage_(storage) {}
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void CounterValuesTable::RegisterTable(sqlite3* db,
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const TraceStorage* storage) {
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Table::Register<CounterValuesTable>(db, storage, "counter_values");
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}
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StorageSchema CounterValuesTable::CreateStorageSchema() {
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const auto& cs = storage_->counter_values();
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return StorageSchema::Builder()
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.AddGenericNumericColumn("id", RowIdAccessor(TableId::kCounterValues))
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.AddNumericColumn("counter_id", &cs.counter_ids(),
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&cs.rows_for_counter_id())
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.AddOrderedNumericColumn("ts", &cs.timestamps())
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.AddNumericColumn("value", &cs.values())
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.AddNumericColumn("arg_set_id", &cs.arg_set_ids())
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.Build({"id"});
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}
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uint32_t CounterValuesTable::RowCount() {
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return storage_->counter_values().size();
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}
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int CounterValuesTable::BestIndex(const QueryConstraints& qc,
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BestIndexInfo* info) {
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info->estimated_cost = EstimateCost(qc);
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info->order_by_consumed = true;
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for (size_t i = 0; i < qc.constraints().size(); i++) {
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info->omit[i] = true;
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}
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return SQLITE_OK;
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}
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uint32_t CounterValuesTable::EstimateCost(const QueryConstraints& qc) {
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if (HasEqConstraint(qc, "counter_id"))
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return RowCount() / 100;
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return RowCount();
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}
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} // namespace trace_processor
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} // namespace perfetto
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