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47 lines
1.2 KiB
C++
47 lines
1.2 KiB
C++
/*
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* Copyright (C) 2021-present ScyllaDB
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*/
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/*
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* This file is part of Scylla.
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*
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* Scylla is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Scylla is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Scylla. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include <variant>
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#include "db_clock.hh"
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#include "utils/UUID.hh"
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namespace cdc {
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struct generation_id_v1 {
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db_clock::time_point ts;
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};
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struct generation_id_v2 {
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db_clock::time_point ts;
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utils::UUID id;
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};
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using generation_id = std::variant<generation_id_v1, generation_id_v2>;
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std::ostream& operator<<(std::ostream&, const generation_id&);
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bool operator==(const generation_id&, const generation_id&);
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db_clock::time_point get_ts(const generation_id&);
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} // namespace cdc
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