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104 lines
3.1 KiB
C++
104 lines
3.1 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 2016 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 "cql3/statements/cf_prop_defs.hh"
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namespace cql3 {
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namespace statements {
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/**
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* Class for common statement properties.
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*/
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class cf_properties final {
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const ::shared_ptr<cf_prop_defs> _properties = ::make_shared<cf_prop_defs>();
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bool _use_compact_storage = false;
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std::vector<std::pair<::shared_ptr<column_identifier>, bool>> _defined_ordering; // Insertion ordering is important
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public:
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auto& properties() const {
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return _properties;
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}
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bool use_compact_storage() const {
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return _use_compact_storage;
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}
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void set_compact_storage() {
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_use_compact_storage = true;
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}
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auto& defined_ordering() const {
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return _defined_ordering;
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}
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data_type get_reversable_type(::shared_ptr<column_identifier> t, data_type type) const {
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auto is_reversed = find_ordering_info(t).value_or(false);
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if (!is_reversed && type->is_reversed()) {
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return static_pointer_cast<const reversed_type_impl>(type)->underlying_type();
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}
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if (is_reversed && !type->is_reversed()) {
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return reversed_type_impl::get_instance(type);
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}
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return type;
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}
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std::experimental::optional<bool> find_ordering_info(::shared_ptr<column_identifier> type) const {
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for (auto& t: _defined_ordering) {
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if (*(t.first) == *type) {
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return t.second;
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}
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}
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return {};
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}
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void set_ordering(::shared_ptr<column_identifier> alias, bool reversed) {
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_defined_ordering.emplace_back(alias, reversed);
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}
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void validate() {
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_properties->validate();
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}
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};
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}
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}
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