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/*
* Copyright (C) 2023 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/db/runtime_table.h"
namespace perfetto {
namespace trace_processor {
RuntimeTable::~RuntimeTable() = default;
RuntimeTable::RuntimeTable(StringPool* pool, std::vector<std::string> col_names)
: Table(pool), col_names_(col_names), storage_(col_names_.size()) {
for (uint32_t i = 0; i < col_names.size(); i++)
storage_[i] = std::make_unique<VariantStorage>();
}
base::Status RuntimeTable::AddNull(uint32_t idx) {
auto* col = storage_[idx].get();
if (auto* leading_nulls = std::get_if<uint32_t>(col)) {
(*leading_nulls)++;
} else if (auto* ints = std::get_if<IntStorage>(col)) {
ints->Append(std::nullopt);
} else if (auto* strings = std::get_if<StringStorage>(col)) {
strings->Append(StringPool::Id::Null());
} else if (auto* doubles = std::get_if<DoubleStorage>(col)) {
doubles->Append(std::nullopt);
} else {
PERFETTO_FATAL("Unexpected column type");
}
return base::OkStatus();
}
base::Status RuntimeTable::AddInteger(uint32_t idx, int64_t res) {
auto* col = storage_[idx].get();
if (auto* leading_nulls_ptr = std::get_if<uint32_t>(col)) {
RETURN_IF_ERROR(Fill<IntStorage>(col, *leading_nulls_ptr, std::nullopt));
}
auto* ints = std::get_if<IntStorage>(col);
if (!ints) {
return base::ErrStatus("Column %u does not have consistent types", idx);
}
ints->Append(res);
return base::OkStatus();
}
base::Status RuntimeTable::AddFloat(uint32_t idx, double res) {
auto* col = storage_[idx].get();
if (auto* leading_nulls_ptr = std::get_if<uint32_t>(col)) {
RETURN_IF_ERROR(Fill<DoubleStorage>(col, *leading_nulls_ptr, std::nullopt));
}
auto* doubles = std::get_if<DoubleStorage>(col);
if (!doubles) {
return base::ErrStatus("Column %u does not have consistent types", idx);
}
doubles->Append(res);
return base::OkStatus();
}
base::Status RuntimeTable::AddText(uint32_t idx, const char* ptr) {
auto* col = storage_[idx].get();
if (auto* leading_nulls_ptr = std::get_if<uint32_t>(col)) {
RETURN_IF_ERROR(
Fill<StringStorage>(col, *leading_nulls_ptr, StringPool::Id::Null()));
}
auto* strings = std::get_if<StringStorage>(col);
if (!strings) {
return base::ErrStatus("Column %u does not have consistent types", idx);
}
strings->Append(string_pool_->InternString(ptr));
return base::OkStatus();
}
base::Status RuntimeTable::AddColumnsAndOverlays(uint32_t rows) {
overlays_.push_back(ColumnStorageOverlay(rows));
for (uint32_t i = 0; i < col_names_.size(); ++i) {
auto* col = storage_[i].get();
if (auto* leading_nulls = std::get_if<uint32_t>(col)) {
RETURN_IF_ERROR(Fill<IntStorage>(col, *leading_nulls, std::nullopt));
}
if (auto* ints = std::get_if<IntStorage>(col)) {
columns_.push_back(Column(col_names_[i].c_str(), ints,
Column::Flag::kNoFlag, this, i, 0));
} else if (auto* strings = std::get_if<StringStorage>(col)) {
columns_.push_back(Column(col_names_[i].c_str(), strings,
Column::Flag::kNonNull, this, i, 0));
} else if (auto* doubles = std::get_if<DoubleStorage>(col)) {
columns_.push_back(Column(col_names_[i].c_str(), doubles,
Column::Flag::kNoFlag, this, i, 0));
} else {
PERFETTO_FATAL("Unexpected column type");
}
}
columns_.push_back(
Column::IdColumn(this, static_cast<uint32_t>(col_names_.size()), 0,
"_auto_id", Column::kIdFlags | Column::Flag::kHidden));
row_count_ = rows;
return base::OkStatus();
}
} // namespace trace_processor
} // namespace perfetto
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