ClickHouse/dbms/include/DB/Storages/System/StorageSystemGraphite.h

39 lines
920 B
C++
Raw Normal View History

2017-02-14 14:24:30 +00:00
#pragma once
#include <DB/Storages/IStorage.h>
#include <ext/shared_ptr_helper.hpp>
namespace DB
{
class StorageSystemGraphite
: private ext::shared_ptr_helper<StorageSystemGraphite>
, public IStorage
{
friend class ext::shared_ptr_helper<StorageSystemGraphite>;
public:
static StoragePtr create(const std::string & name_);
std::string getName() const override { return "SystemGraphite"; }
std::string getTableName() const override { return name; }
const NamesAndTypesList & getColumnsListImpl() const override { return columns; }
BlockInputStreams read(
const Names & column_names,
ASTPtr query,
const Context & context,
const Settings & settings,
QueryProcessingStage::Enum & processed_stage,
size_t max_block_size = DEFAULT_BLOCK_SIZE,
unsigned threads = 1) override;
private:
const std::string name;
NamesAndTypesList columns;
StorageSystemGraphite(const std::string & name_);
};
}