ClickHouse/src/Storages/System/StorageSystemZooKeeper.h
Ivan 495c6e03aa
Replace all Context references with std::weak_ptr (#22297)
* Replace all Context references with std::weak_ptr

* Fix shared context captured by value

* Fix build

* Fix Context with named sessions

* Fix copy context

* Fix gcc build

* Merge with master and fix build

* Fix gcc-9 build
2021-04-11 02:33:54 +03:00

30 lines
793 B
C++

#pragma once
#include <ext/shared_ptr_helper.h>
#include <Storages/System/IStorageSystemOneBlock.h>
namespace DB
{
class Context;
/** Implements `zookeeper` system table, which allows you to view the data in ZooKeeper for debugging purposes.
*/
class StorageSystemZooKeeper final : public ext::shared_ptr_helper<StorageSystemZooKeeper>, public IStorageSystemOneBlock<StorageSystemZooKeeper>
{
friend struct ext::shared_ptr_helper<StorageSystemZooKeeper>;
public:
std::string getName() const override { return "SystemZooKeeper"; }
static NamesAndTypesList getNamesAndTypes();
protected:
using IStorageSystemOneBlock::IStorageSystemOneBlock;
void fillData(MutableColumns & res_columns, ContextPtr context, const SelectQueryInfo & query_info) const override;
};
}