ClickHouse/dbms/Storages/StorageValues.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

34 lines
840 B
C++

#pragma once
#include <ext/shared_ptr_helper.h>
#include <Storages/IStorage.h>
namespace DB
{
/* One block storage used for values table function
* It's structure is similar to IStorageSystemOneBlock
*/
class StorageValues final : public ext::shared_ptr_helper<StorageValues>, public IStorage
{
friend struct ext::shared_ptr_helper<StorageValues>;
public:
std::string getName() const override { return "Values"; }
Pipes read(
const Names & column_names,
const SelectQueryInfo & query_info,
const Context & context,
QueryProcessingStage::Enum processed_stage,
size_t max_block_size,
unsigned num_streams) override;
private:
Block res_block;
protected:
StorageValues(const StorageID & table_id_, const ColumnsDescription & columns_, const Block & res_block_);
};
}