ClickHouse/dbms/src/Storages/System/StorageSystemQuotaUsage.h

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2019-11-04 19:18:17 +00:00
#pragma once
#include <ext/shared_ptr_helper.h>
#include <Storages/System/IStorageSystemOneBlock.h>
namespace DB
{
class Context;
/** Implements the `quota_usage` system tables, which allows you to get information about
* how the quotas are used by all users.
*/
class StorageSystemQuotaUsage : public ext::shared_ptr_helper<StorageSystemQuotaUsage>, public IStorageSystemOneBlock<StorageSystemQuotaUsage>
{
public:
std::string getName() const override { return "SystemQuotaUsage"; }
static NamesAndTypesList getNamesAndTypes();
protected:
friend struct ext::shared_ptr_helper<StorageSystemQuotaUsage>;
using IStorageSystemOneBlock::IStorageSystemOneBlock;
void fillData(MutableColumns & res_columns, const Context & context, const SelectQueryInfo &) const override;
};
}