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6ae94d31c1
The pager interface doesn't really need to be virtual, so the next step could be to remove the need for pointers entirely, but migrating from shared_ptr to unique_ptr is a low-hanging fruit. Message-Id: <a5bdecb17ae58e914da020fb58a41f4574565c66.1610709560.git.sarna@scylladb.com>
74 lines
2.4 KiB
C++
74 lines
2.4 KiB
C++
/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/*
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* Copyright (C) 2015 ScyllaDB
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*
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* Modified by 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 <vector>
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#include <seastar/core/shared_ptr.hh>
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#include "schema_fwd.hh"
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#include "query-result.hh"
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#include "query-request.hh"
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#include "service/query_state.hh"
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#include "cql3/selection/selection.hh"
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#include "cql3/query_options.hh"
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#include "query_pager.hh"
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namespace service {
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namespace pager {
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class query_pagers {
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public:
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static bool may_need_paging(const schema& s, uint32_t page_size, const query::read_command&,
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const dht::partition_range_vector&);
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static std::unique_ptr<query_pager> pager(schema_ptr,
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shared_ptr<const cql3::selection::selection>,
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service::query_state&,
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const cql3::query_options&,
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lw_shared_ptr<query::read_command>,
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dht::partition_range_vector,
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::shared_ptr<cql3::restrictions::statement_restrictions> filtering_restrictions = nullptr);
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};
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}
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}
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