ClickHouse/src/Interpreters/TraceLog.h
2020-11-03 18:19:24 +03:00

40 lines
888 B
C++

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