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#pragma once
#include <Storages/System/IStorageSystemOneBlock.h>
namespace DB
{
class AsynchronousMetrics;
class Context;
/** Implements system table asynchronous_metrics, which allows to get values of periodically (asynchronously) updated metrics.
*/
class StorageSystemAsynchronousMetrics final : public IStorageSystemOneBlock<StorageSystemAsynchronousMetrics>
{
public:
StorageSystemAsynchronousMetrics(const StorageID & table_id_, const AsynchronousMetrics & async_metrics_);
std::string getName() const override { return "SystemAsynchronousMetrics"; }
static NamesAndTypesList getNamesAndTypes();
private:
const AsynchronousMetrics & async_metrics;
protected:
void fillData(MutableColumns & res_columns, ContextPtr context, const SelectQueryInfo & query_info) const override;
};
}
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