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#pragma once
#include <Storages/System/IStorageSystemOneBlock.h>
namespace DB
{
class Context;
/** Implements system table "settings_changes", which allows to get information
* about the settings changes through different ClickHouse versions.
*/
class StorageSystemSettingsChanges final : public IStorageSystemOneBlock<StorageSystemSettingsChanges>
{
public:
std::string getName() const override { return "SystemSettingsChanges"; }
static NamesAndTypesList getNamesAndTypes();
protected:
using IStorageSystemOneBlock::IStorageSystemOneBlock;
void fillData(MutableColumns & res_columns, ContextPtr context, const SelectQueryInfo & query_info) const override;
};
}
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