75 lines
2.6 KiB
C++
75 lines
2.6 KiB
C++
/*
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* Copyright (C) 2017 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 "dht/i_partitioner.hh"
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#include "schema.hh"
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#include "sstables/index_reader.hh"
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class index_reader_assertions {
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std::unique_ptr<sstables::index_reader> _r;
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public:
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index_reader_assertions(std::unique_ptr<sstables::index_reader> r)
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: _r(std::move(r))
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{ }
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index_reader_assertions& has_monotonic_positions(const schema& s) {
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auto pos_cmp = position_in_partition::composite_less_compare(s);
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auto rp_cmp = dht::ring_position_comparator(s);
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auto prev = dht::ring_position::min();
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_r->read_partition_data().get();
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while (!_r->eof()) {
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auto k = _r->current_partition_entry().get_decorated_key();
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auto rp = dht::ring_position(k.token(), k.key().to_partition_key(s));
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if (!rp_cmp(prev, rp)) {
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BOOST_FAIL(sprint("Partitions have invalid order: %s >= %s", prev, rp));
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}
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prev = rp;
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auto* pi = _r->current_partition_entry().get_promoted_index(s);
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if (!pi->entries.empty()) {
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auto& prev = pi->entries[0];
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for (size_t i = 1; i < pi->entries.size(); ++i) {
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auto& cur = pi->entries[i];
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if (!pos_cmp(prev.end, cur.start)) {
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std::cout << "promoted index:\n";
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for (auto& e : pi->entries) {
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std::cout << " " << e.start << "-" << e.end << ": +" << e.offset << " len=" << e.width << std::endl;
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}
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BOOST_FAIL(sprint("Index blocks are not monotonic: %s >= %s", prev.end, cur.start));
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}
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cur = prev;
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}
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}
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_r->advance_to_next_partition().get();
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}
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return *this;
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}
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};
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inline
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index_reader_assertions assert_that(std::unique_ptr<sstables::index_reader> r) {
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return { std::move(r) };
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}
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