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#pragma once
#include <Storages/MergeTree/MergeTreeSettings.h>
#include <Storages/System/IStorageSystemOneBlock.h>
namespace DB
{
class Context;
/** implements system table "merge_tree_settings" and "replicated_merge_tree_settings",
* which allows to get information about the current MergeTree settings.
*/
template <bool replicated>
class SystemMergeTreeSettings final : public IStorageSystemOneBlock<SystemMergeTreeSettings<replicated>>
{
public:
std::string getName() const override { return replicated ? "SystemReplicatedMergeTreeSettings" : "SystemMergeTreeSettings"; }
static NamesAndTypesList getNamesAndTypes();
protected:
using IStorageSystemOneBlock<SystemMergeTreeSettings<replicated>>::IStorageSystemOneBlock;
void fillData(MutableColumns & res_columns, ContextPtr context, const SelectQueryInfo & query_info) const override;
};
}
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