ClickHouse/src/Interpreters/ProcessorsProfileLog.h
2022-04-17 23:49:39 +02:00

48 lines
1.2 KiB
C++

#pragma once
#include <Interpreters/SystemLog.h>
#include <Core/NamesAndTypes.h>
#include <Core/NamesAndAliases.h>
#include <Processors/IProcessor.h>
namespace DB
{
struct ProcessorProfileLogElement
{
time_t event_time{};
Decimal64 event_time_microseconds{};
UInt64 id;
std::vector<UInt64> parent_ids;
String query_id;
String processor_name;
/// Milliseconds spend in IProcessor::work()
UInt32 elapsed_us{};
/// IProcessor::NeedData
UInt32 input_wait_elapsed_us{};
/// IProcessor::PortFull
UInt32 output_wait_elapsed_us{};
static std::string name() { return "ProcessorsProfileLog"; }
static NamesAndTypesList getNamesAndTypes();
static NamesAndAliases getNamesAndAliases() { return {}; }
void appendToBlock(MutableColumns & columns) const;
static const char * getCustomColumnList() { return nullptr; }
};
class ProcessorsProfileLog : public SystemLog<ProcessorProfileLogElement>
{
public:
ProcessorsProfileLog(
ContextPtr context_,
const String & database_name_,
const String & table_name_,
const String & storage_def_,
size_t flush_interval_milliseconds_);
};
}