mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-12-05 22:12:21 +00:00
58 lines
1.4 KiB
C++
58 lines
1.4 KiB
C++
#include "ICommand.h"
|
|
#include <Interpreters/Context.h>
|
|
|
|
namespace DB
|
|
{
|
|
|
|
namespace ErrorCodes
|
|
{
|
|
extern const int BAD_ARGUMENTS;
|
|
}
|
|
|
|
class CommandLink final : public ICommand
|
|
{
|
|
public:
|
|
CommandLink()
|
|
{
|
|
command_name = "link";
|
|
description = "Create hardlink from `from_path` to `to_path`";
|
|
usage = "link [OPTION]... <FROM_PATH> <TO_PATH>";
|
|
}
|
|
|
|
void processOptions(
|
|
Poco::Util::LayeredConfiguration &,
|
|
po::variables_map &) const override
|
|
{
|
|
}
|
|
|
|
void execute(
|
|
const std::vector<String> & command_arguments,
|
|
std::shared_ptr<DiskSelector> & disk_selector,
|
|
Poco::Util::LayeredConfiguration & config) override
|
|
{
|
|
if (command_arguments.size() != 2)
|
|
{
|
|
printHelpMessage();
|
|
throw DB::Exception(DB::ErrorCodes::BAD_ARGUMENTS, "Bad Arguments");
|
|
}
|
|
|
|
String disk_name = config.getString("disk", "default");
|
|
|
|
const String & path_from = command_arguments[0];
|
|
const String & path_to = command_arguments[1];
|
|
|
|
DiskPtr disk = disk_selector->get(disk_name);
|
|
|
|
String relative_path_from = validatePathAndGetAsRelative(path_from);
|
|
String relative_path_to = validatePathAndGetAsRelative(path_to);
|
|
|
|
disk->createHardLink(relative_path_from, relative_path_to);
|
|
}
|
|
};
|
|
}
|
|
|
|
std::unique_ptr <DB::ICommand> makeCommandLink()
|
|
{
|
|
return std::make_unique<DB::CommandLink>();
|
|
}
|