ClickHouse/src/Interpreters/AsynchronousMetricLog.cpp

74 lines
2.3 KiB
C++

#include <Interpreters/AsynchronousMetricLog.h>
#include <DataTypes/DataTypesNumber.h>
#include <DataTypes/DataTypeDate.h>
#include <DataTypes/DataTypeDateTime.h>
#include <DataTypes/DataTypeDateTime64.h>
#include <DataTypes/DataTypeString.h>
#include <Interpreters/AsynchronousMetrics.h>
namespace DB
{
Block AsynchronousMetricLogElement::createBlock()
{
ColumnsWithTypeAndName columns;
columns.emplace_back(std::make_shared<DataTypeDate>(), "event_date");
columns.emplace_back(std::make_shared<DataTypeDateTime>(), "event_time");
columns.emplace_back(std::make_shared<DataTypeDateTime64>(6), "event_time_microseconds");
columns.emplace_back(std::make_shared<DataTypeString>(), "name");
columns.emplace_back(std::make_shared<DataTypeFloat64>(), "value");
return Block(columns);
}
void AsynchronousMetricLogElement::appendToBlock(MutableColumns & columns) const
{
size_t column_idx = 0;
columns[column_idx++]->insert(event_date);
columns[column_idx++]->insert(event_time);
columns[column_idx++]->insert(event_time_microseconds);
columns[column_idx++]->insert(metric_name);
columns[column_idx++]->insert(value);
}
inline UInt64 time_in_milliseconds(std::chrono::time_point<std::chrono::system_clock> timepoint)
{
return std::chrono::duration_cast<std::chrono::milliseconds>(timepoint.time_since_epoch()).count();
}
inline UInt64 time_in_microseconds(std::chrono::time_point<std::chrono::system_clock> timepoint)
{
return std::chrono::duration_cast<std::chrono::microseconds>(timepoint.time_since_epoch()).count();
}
inline UInt64 time_in_seconds(std::chrono::time_point<std::chrono::system_clock> timepoint)
{
return std::chrono::duration_cast<std::chrono::seconds>(timepoint.time_since_epoch()).count();
}
void AsynchronousMetricLog::addValues(const AsynchronousMetricValues & values)
{
AsynchronousMetricLogElement element;
const auto now = std::chrono::system_clock::now();
element.event_time = time_in_seconds(now);
element.event_time_microseconds = time_in_microseconds(now);
element.event_date = DateLUT::instance().toDayNum(element.event_time);
for (const auto & [key, value] : values)
{
element.metric_name = key;
element.value = value;
add(element);
}
}
}