ClickHouse/src/Interpreters/QueryThreadLog.h
Azat Khuzhin 011480924a Use forward declaration of ThreadPool
Signed-off-by: Azat Khuzhin <a.khuzhin@semrush.com>
2023-04-07 11:25:35 +02:00

63 lines
1.5 KiB
C++

#pragma once
#include <Interpreters/SystemLog.h>
#include <Interpreters/ClientInfo.h>
#include <Common/ProfileEvents.h>
#include <Core/NamesAndTypes.h>
#include <Core/NamesAndAliases.h>
namespace DB
{
struct QueryThreadLogElement
{
time_t event_time{};
Decimal64 event_time_microseconds{};
/// When query was attached to current thread
time_t query_start_time{};
/// same as above but adds microsecond precision
Decimal64 query_start_time_microseconds{};
/// 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 current_database;
String query;
UInt64 normalized_query_hash{};
ClientInfo client_info;
std::shared_ptr<ProfileEvents::Counters::Snapshot> profile_counters;
static std::string name() { return "QueryThreadLog"; }
static NamesAndTypesList getNamesAndTypes();
static NamesAndAliases getNamesAndAliases();
void appendToBlock(MutableColumns & columns) const;
static const char * getCustomColumnList() { return nullptr; }
};
class QueryThreadLog : public SystemLog<QueryThreadLogElement>
{
using SystemLog<QueryThreadLogElement>::SystemLog;
};
}