91 lines
3.1 KiB
C++
91 lines
3.1 KiB
C++
/*
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* Copyright (C) 2015 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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#include "canonical_mutation.hh"
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#include "mutation.hh"
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#include "mutation_partition_serializer.hh"
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#include "counters.hh"
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#include "converting_mutation_partition_applier.hh"
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#include "hashing_partition_visitor.hh"
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#include "utils/UUID.hh"
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#include "serializer.hh"
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#include "idl/uuid.dist.hh"
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#include "idl/keys.dist.hh"
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#include "idl/mutation.dist.hh"
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#include "serializer_impl.hh"
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#include "serialization_visitors.hh"
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#include "idl/uuid.dist.impl.hh"
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#include "idl/keys.dist.impl.hh"
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#include "idl/mutation.dist.impl.hh"
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canonical_mutation::canonical_mutation(bytes data)
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: _data(std::move(data))
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{ }
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canonical_mutation::canonical_mutation(const mutation& m)
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{
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mutation_partition_serializer part_ser(*m.schema(), m.partition());
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bytes_ostream out;
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ser::writer_of_canonical_mutation<bytes_ostream> wr(out);
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std::move(wr).write_table_id(m.schema()->id())
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.write_schema_version(m.schema()->version())
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.write_key(m.key())
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.write_mapping(m.schema()->get_column_mapping())
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.partition([&] (auto wr) {
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part_ser.write(std::move(wr));
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}).end_canonical_mutation();
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_data = to_bytes(out.linearize());
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}
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utils::UUID canonical_mutation::column_family_id() const {
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auto in = ser::as_input_stream(_data);
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auto mv = ser::deserialize(in, boost::type<ser::canonical_mutation_view>());
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return mv.table_id();
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}
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mutation canonical_mutation::to_mutation(schema_ptr s) const {
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auto in = ser::as_input_stream(_data);
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auto mv = ser::deserialize(in, boost::type<ser::canonical_mutation_view>());
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auto cf_id = mv.table_id();
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if (s->id() != cf_id) {
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throw std::runtime_error(sprint("Attempted to deserialize canonical_mutation of table %s with schema of table %s (%s.%s)",
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cf_id, s->id(), s->ks_name(), s->cf_name()));
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}
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auto version = mv.schema_version();
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auto pk = mv.key();
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mutation m(std::move(pk), std::move(s));
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if (version == m.schema()->version()) {
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auto partition_view = mutation_partition_view::from_view(mv.partition());
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m.partition().apply(*m.schema(), partition_view, *m.schema());
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} else {
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column_mapping cm = mv.mapping();
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converting_mutation_partition_applier v(cm, *m.schema(), m.partition());
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auto partition_view = mutation_partition_view::from_view(mv.partition());
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partition_view.accept(cm, v);
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}
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return m;
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}
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