ClickHouse/dbms/Storages/System/StorageSystemMutations.h
Ivan 97f2a2213e
Move all folders inside /dbms one level up (#9974)
* Move some code outside dbms/src folder
* Fix paths
2020-04-02 02:51:21 +03:00

30 lines
807 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, const Context & context, const SelectQueryInfo & query_info) const override;
};
}