ClickHouse/src/Storages/System/StorageSystemMutations.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
802 B
C++

#pragma once
#include <ext/shared_ptr_helper.h>
#include <Storages/System/IStorageSystemOneBlock.h>
namespace DB
{
class Context;
/// Implements the `mutations` system table, which provides information about the status of mutations
/// in the MergeTree tables.
class StorageSystemMutations final : public ext::shared_ptr_helper<StorageSystemMutations>, public IStorageSystemOneBlock<StorageSystemMutations>
{
friend struct ext::shared_ptr_helper<StorageSystemMutations>;
public:
String getName() const override { return "SystemMutations"; }
static NamesAndTypesList getNamesAndTypes();
protected:
using IStorageSystemOneBlock::IStorageSystemOneBlock;
void fillData(MutableColumns & res_columns, ContextPtr context, const SelectQueryInfo & query_info) const override;
};
}