ClickHouse/dbms/src/Storages/System/StorageSystemMetrics.cpp

31 lines
794 B
C++

#include <Common/CurrentMetrics.h>
#include <DataTypes/DataTypeString.h>
#include <DataTypes/DataTypesNumber.h>
#include <Storages/System/StorageSystemMetrics.h>
namespace DB
{
NamesAndTypesList StorageSystemMetrics::getNamesAndTypes()
{
return {
{"metric", std::make_shared<DataTypeString>()},
{"value", std::make_shared<DataTypeInt64>()},
};
}
void StorageSystemMetrics::fillData(MutableColumns & res_columns, const Context &, const SelectQueryInfo &) const
{
for (size_t i = 0, end = CurrentMetrics::end(); i < end; ++i)
{
Int64 value = CurrentMetrics::values[i].load(std::memory_order_relaxed);
res_columns[0]->insert(String(CurrentMetrics::getDescription(CurrentMetrics::Metric(i))));
res_columns[1]->insert(value);
}
}
}