ClickHouse/dbms/src/Interpreters/QueryThreadLog.h
2020-02-02 23:01:13 +03:00

60 lines
1.1 KiB
C++

#pragma once
#include <Interpreters/SystemLog.h>
namespace ProfileEvents
{
class Counters;
}
namespace DB
{
struct QueryThreadLogElement
{
time_t event_time{};
/// When query was attached to current thread
time_t query_start_time{};
/// Real time spent by the thread to execute the query
UInt64 query_duration_ms{};
/// The data fetched from DB in current thread to execute the query
UInt64 read_rows{};
UInt64 read_bytes{};
/// The data written to DB
UInt64 written_rows{};
UInt64 written_bytes{};
Int64 memory_usage{};
Int64 peak_memory_usage{};
String thread_name;
UInt64 thread_id{};
UInt64 master_thread_id{};
String query;
ClientInfo client_info;
std::shared_ptr<ProfileEvents::Counters> profile_counters;
static std::string name() { return "QueryThreadLog"; }
static Block createBlock();
void appendToBlock(Block & block) const;
};
class QueryThreadLog : public SystemLog<QueryThreadLogElement>
{
using SystemLog<QueryThreadLogElement>::SystemLog;
};
}