4374982de0
The purpose of collection_type_impl::to_value was to serialize a collection for sending over CQL. The corresponding function in origin is called serializeForNativeProtocol, but the name is a bit lengthy, so I settled for serialize_for_cql. The method now became a free-standing function, using the visit function to perform a dispatch on the collection type instead of a virtual call. This also makes it easier to generalize it to UDTs in future commits. Remove the old serialize_for_native_protocol with a FIXME: implement inside. It was already implemented (to_value), just called differently. remove dead methods: enforce_limit and serialized_values. The corresponding methods in C* are auxiliary methods used inside serializeForNativeProtocol. In our case, the entire algorithm is wholly written in serialize_for_cql.
62 lines
2.4 KiB
C++
62 lines
2.4 KiB
C++
/*
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* Copyright (C) 2014 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 <seastar/core/shared_ptr.hh>
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#include <seastar/core/sstring.hh>
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#include <vector>
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#include "types.hh"
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#include "types/collection.hh"
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class user_type_impl;
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class cql_serialization_format;
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namespace Json {
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class Value;
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}
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class set_type_impl final : public concrete_type<std::vector<data_value>, listlike_collection_type_impl> {
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using set_type = shared_ptr<const set_type_impl>;
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using intern = type_interning_helper<set_type_impl, data_type, bool>;
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public:
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static set_type get_instance(data_type elements, bool is_multi_cell);
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set_type_impl(data_type elements, bool is_multi_cell);
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virtual data_type name_comparator() const override { return _elements; }
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virtual data_type value_comparator() const override;
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virtual data_type freeze() const override;
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virtual bool is_compatible_with_frozen(const collection_type_impl& previous) const override;
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virtual bool is_value_compatible_with_frozen(const collection_type_impl& previous) const override;
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virtual void serialize(const void* value, bytes::iterator& out, cql_serialization_format sf) const override;
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using abstract_type::deserialize;
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virtual data_value deserialize(bytes_view v, cql_serialization_format sf) const override;
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bytes serialize_partially_deserialized_form(
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const std::vector<bytes_view>& v, cql_serialization_format sf) const;
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};
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data_value make_set_value(data_type tuple_type, set_type_impl::native_type value);
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template <typename NativeType>
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data_value::data_value(const std::unordered_set<NativeType>& v)
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: data_value(new set_type_impl::native_type(v.begin(), v.end()), set_type_impl::get_instance(data_type_for<NativeType>(), true))
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{}
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