ClickHouse/src/Interpreters/QueryViewsLog.h
2021-07-27 16:29:34 +02:00

88 lines
1.9 KiB
C++

#pragma once
#include <chrono>
#include <memory>
#include <sys/types.h>
#include <Columns/IColumn.h>
#include <Core/Block.h>
#include <Core/SettingsEnums.h>
#include <Core/Types.h>
#include <Core/UUID.h>
#include <Interpreters/SystemLog.h>
#include <common/types.h>
namespace ProfileEvents
{
class Counters;
}
namespace DB
{
class ThreadStatus;
struct QueryViewsLogElement
{
using ViewStatus = QueryLogElementType;
enum class ViewType : int8_t
{
DEFAULT = 1,
MATERIALIZED = 2,
LIVE = 3
};
struct ViewRuntimeStats
{
String target_name;
ViewType type = ViewType::DEFAULT;
std::unique_ptr<ThreadStatus> thread_status = nullptr;
UInt64 elapsed_ms = 0;
std::chrono::time_point<std::chrono::system_clock> event_time;
ViewStatus event_status = ViewStatus::QUERY_START;
void setStatus(ViewStatus s)
{
event_status = s;
event_time = std::chrono::system_clock::now();
}
};
time_t event_time{};
Decimal64 event_time_microseconds{};
UInt64 view_duration_ms{};
String initial_query_id;
String view_name;
UUID view_uuid{UUIDHelpers::Nil};
ViewType view_type{ViewType::DEFAULT};
String view_query;
String view_target;
UInt64 read_rows{};
UInt64 read_bytes{};
UInt64 written_rows{};
UInt64 written_bytes{};
Int64 peak_memory_usage{};
std::shared_ptr<ProfileEvents::Counters> profile_counters;
ViewStatus status = ViewStatus::QUERY_START;
Int32 exception_code{};
String exception;
String stack_trace;
static std::string name() { return "QueryLog"; }
static NamesAndTypesList getNamesAndTypes();
static NamesAndAliases getNamesAndAliases();
void appendToBlock(MutableColumns & columns) const;
};
class QueryViewsLog : public SystemLog<QueryViewsLogElement>
{
using SystemLog<QueryViewsLogElement>::SystemLog;
};
}