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70d1adfe4b
* save format string for NetException * format exceptions * format exceptions 2 * format exceptions 3 * format exceptions 4 * format exceptions 5 * format exceptions 6 * fix * format exceptions 7 * format exceptions 8 * Update MergeTreeIndexGin.cpp * Update AggregateFunctionMap.cpp * Update AggregateFunctionMap.cpp * fix
58 lines
1.5 KiB
C++
58 lines
1.5 KiB
C++
#include "ICommand.h"
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#include <Interpreters/Context.h>
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namespace DB
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{
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namespace ErrorCodes
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{
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extern const int BAD_ARGUMENTS;
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}
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class CommandLink final : public ICommand
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{
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public:
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CommandLink()
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{
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command_name = "link";
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description = "Create hardlink from `from_path` to `to_path`\nPath should be in format './' or './path' or 'path'";
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usage = "link [OPTION]... <FROM_PATH> <TO_PATH>";
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}
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void processOptions(
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Poco::Util::LayeredConfiguration &,
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po::variables_map &) const override
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{
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}
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void execute(
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const std::vector<String> & command_arguments,
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DB::ContextMutablePtr & global_context,
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Poco::Util::LayeredConfiguration & config) override
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{
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if (command_arguments.size() != 2)
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{
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printHelpMessage();
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throw DB::Exception(DB::ErrorCodes::BAD_ARGUMENTS, "Bad Arguments");
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}
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String disk_name = config.getString("disk", "default");
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const String & path_from = command_arguments[0];
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const String & path_to = command_arguments[1];
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DiskPtr disk = global_context->getDisk(disk_name);
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String relative_path_from = validatePathAndGetAsRelative(path_from);
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String relative_path_to = validatePathAndGetAsRelative(path_to);
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disk->createHardLink(relative_path_from, relative_path_to);
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}
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};
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}
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std::unique_ptr <DB::ICommand> makeCommandLink()
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{
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return std::make_unique<DB::CommandLink>();
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}
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