ClickHouse/src/Interpreters/TraceLog.h

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#pragma once
#include <DataTypes/DataTypeEnum.h>
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#include <DataTypes/DataTypesNumber.h>
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#include <Interpreters/SystemLog.h>
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#include <Common/QueryProfiler.h>
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#include <Common/TraceCollector.h>
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namespace DB
{
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/** Information from sampling profilers.
*/
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struct TraceLogElement
{
using TraceDataType = DataTypeEnum8;
static const TraceDataType::Values trace_values;
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time_t event_time{};
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Decimal64 event_time_microseconds{};
UInt64 timestamp_ns{};
TraceType trace_type{};
UInt64 thread_id{};
String query_id{};
Array trace{};
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Int64 size{}; /// Allocation size in bytes for TraceType::Memory
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static std::string name() { return "TraceLog"; }
static Block createBlock();
void appendToBlock(MutableColumns & columns) const;
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};
class TraceLog : public SystemLog<TraceLogElement>
{
using SystemLog<TraceLogElement>::SystemLog;
};
}