1 | #pragma once |
---|---|
2 | |
3 | #include <DataTypes/DataTypeString.h> |
4 | #include <Storages/System/IStorageSystemOneBlock.h> |
5 | #include <ext/shared_ptr_helper.h> |
6 | |
7 | namespace DB |
8 | { |
9 | |
10 | class StorageSystemTableEngines : public ext::shared_ptr_helper<StorageSystemTableEngines>, |
11 | public IStorageSystemOneBlock<StorageSystemTableEngines> |
12 | { |
13 | friend struct ext::shared_ptr_helper<StorageSystemTableEngines>; |
14 | protected: |
15 | void fillData(MutableColumns & res_columns, const Context & context, const SelectQueryInfo & query_info) const override; |
16 | |
17 | using IStorageSystemOneBlock::IStorageSystemOneBlock; |
18 | |
19 | public: |
20 | std::string getName() const override |
21 | { |
22 | return "SystemTableEngines"; |
23 | } |
24 | |
25 | static NamesAndTypesList getNamesAndTypes(); |
26 | }; |
27 | |
28 | } |
29 |