mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-10-05 08:00:51 +00:00
31 lines
797 B
C++
31 lines
797 B
C++
#pragma once
|
|
|
|
#include <ext/shared_ptr_helper.h>
|
|
#include <Storages/System/IStorageSystemOneBlock.h>
|
|
|
|
|
|
namespace DB
|
|
{
|
|
|
|
class Context;
|
|
|
|
|
|
/** Implements `functions`system table, which allows you to get a list
|
|
* all normal and aggregate functions.
|
|
*/
|
|
class StorageSystemFunctions final : public ext::shared_ptr_helper<StorageSystemFunctions>, public IStorageSystemOneBlock<StorageSystemFunctions>
|
|
{
|
|
friend struct ext::shared_ptr_helper<StorageSystemFunctions>;
|
|
public:
|
|
std::string getName() const override { return "SystemFunctions"; }
|
|
|
|
static NamesAndTypesList getNamesAndTypes();
|
|
|
|
protected:
|
|
using IStorageSystemOneBlock::IStorageSystemOneBlock;
|
|
|
|
void fillData(MutableColumns & res_columns, const Context & context, const SelectQueryInfo & query_info) const override;
|
|
};
|
|
|
|
}
|