ClickHouse/programs/disks/CommandRemove.cpp

#pragma once

#include "ICommand.h"

namespace DB
{

namespace ErrorCodes
{
    extern const int BAD_ARGUMENTS;
}

class CommandRemove : public ICommand
{
public:
    CommandRemove()
    {
        command_name = "remove";
        command_option_description.emplace(createOptionsDescription("Help Message for remove", getTerminalWidth()));
        description = "Remove file or directory with all children. Throws exception if file doesn't exists.\nPath should be in format './' or './path' or 'path'";
        usage = "Usage: remove [OPTION]... <PATH>";
    }

    void processOptions(
        Poco::Util::LayeredConfiguration &,
        po::variables_map &) const override{}

    void executeImpl(
        const DB::ContextMutablePtr & global_context,
        const Poco::Util::LayeredConfiguration & config) const override
    {
        if (pos_arguments.size() != 1)
        {
            printHelpMessage();
            throw DB::Exception("Bad Arguments", DB::ErrorCodes::BAD_ARGUMENTS);
        }

        String disk_name = config.getString("disk", "default");

        String path = pos_arguments[0];

        DiskPtr disk = global_context->getDisk(disk_name);

        String full_path = fullPathWithValidate(disk, path);

        disk->removeRecursive(full_path);
    }
};
}

std::unique_ptr <DB::ICommand> makeCommandRemove()
{
    return std::make_unique<DB::CommandRemove>();
}