ClickHouse/src/Storages/System/StorageSystemProjectionPartsColumns.h
Robert Schulze 777b5bc15b
Don't let storages inherit from boost::noncopyable
... IStorage has deleted copy ctor / assignment already
2022-05-03 09:07:08 +02:00

27 lines
710 B
C++

#pragma once
#include <Storages/System/StorageSystemPartsBase.h>
namespace DB
{
class Context;
/** Implements system table 'projection_parts_columns' which allows to get information about
* columns in projection parts for tables of MergeTree family.
*/
class StorageSystemProjectionPartsColumns final : public StorageSystemPartsBase
{
public:
explicit StorageSystemProjectionPartsColumns(const StorageID & table_id_);
std::string getName() const override { return "SystemProjectionPartsColumns"; }
protected:
void processNextStorage(
ContextPtr context, MutableColumns & columns, std::vector<UInt8> & columns_mask, const StoragesInfo & info, bool has_state_column) override;
};
}