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46 lines
1.1 KiB
C++
46 lines
1.1 KiB
C++
#pragma once
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#include <Interpreters/SystemLog.h>
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#include <Common/AsynchronousMetrics.h>
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#include <Common/ProfileEvents.h>
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#include <Common/CurrentMetrics.h>
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#include <Core/NamesAndTypes.h>
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#include <Core/NamesAndAliases.h>
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#include <Storages/ColumnsDescription.h>
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#include <vector>
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#include <atomic>
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#include <ctime>
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namespace DB
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{
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/** AsynchronousMetricLog is a log of metric values measured at regular time interval.
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*/
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struct AsynchronousMetricLogElement
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{
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UInt16 event_date;
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time_t event_time;
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std::string metric_name;
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double value;
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static std::string name() { return "AsynchronousMetricLog"; }
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static ColumnsDescription getColumnsDescription();
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static NamesAndAliases getNamesAndAliases() { return {}; }
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void appendToBlock(MutableColumns & columns) const;
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};
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class AsynchronousMetricLog : public SystemLog<AsynchronousMetricLogElement>
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{
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public:
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using SystemLog<AsynchronousMetricLogElement>::SystemLog;
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void addValues(const AsynchronousMetricValues &);
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/// This table is usually queried for fixed metric name.
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static const char * getDefaultOrderBy() { return "metric, event_date, event_time"; }
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};
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}
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