ClickHouse/src/Storages/System/StorageSystemRowPolicies.h

28 lines
919 B
C++

#pragma once
#include <Storages/System/IStorageSystemOneBlock.h>
namespace DB
{
class Context;
/// Implements `row_policies` system table, which allows you to get information about row policies.
class StorageSystemRowPolicies final : public IStorageSystemOneBlock<StorageSystemRowPolicies>
{
public:
std::string getName() const override { return "SystemRowPolicies"; }
static NamesAndTypesList getNamesAndTypes();
void backupData(BackupEntriesCollector & backup_entries_collector, const String & data_path_in_backup, const std::optional<ASTs> & partitions) override;
void restoreDataFromBackup(RestorerFromBackup & restorer, const String & data_path_in_backup, const std::optional<ASTs> & partitions) override;
protected:
using IStorageSystemOneBlock::IStorageSystemOneBlock;
void fillData(MutableColumns & res_columns, ContextPtr context, const SelectQueryInfo &) const override;
};
}