79 lines
3.2 KiB
C++
79 lines
3.2 KiB
C++
/*------------------------------------------------------------------------------*
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* Architecture & Implementation of DBMS *
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*------------------------------------------------------------------------------*
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* Copyright 2022 Databases and Information Systems Group TU Dortmund *
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* Visit us at *
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* http://dbis.cs.tu-dortmund.de/cms/en/home/ *
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* *
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, *
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL *
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR *
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, *
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR *
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* OTHER DEALINGS IN THE SOFTWARE. *
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* *
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* Authors: *
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* Maximilian Berens <maximilian.berens@tu-dortmund.de> *
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* Roland Kühn <roland.kuehn@cs.tu-dortmund.de> *
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* Jan Mühlig <jan.muehlig@tu-dortmund.de> *
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*------------------------------------------------------------------------------*
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*/
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#pragma once
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#include "node_interface.h"
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#include <index/type.h>
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namespace beedb::plan::logical
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{
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class CreateIndexNode final : public NotSchematizedNode
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{
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public:
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CreateIndexNode(Database &database, expression::Attribute &&attribute, std::string &&index_name,
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const index::Type index_type, const bool is_unique)
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: NotSchematizedNode("Create Index"), _database(database), _attribute(std::move(attribute)),
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_index_name(std::move(index_name)), _index_type(index_type), _is_unique(is_unique)
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{
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}
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~CreateIndexNode() override = default;
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[[nodiscard]] const expression::Attribute &attribute() const
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{
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return _attribute;
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}
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[[nodiscard]] const std::string &index_name() const
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{
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return _index_name;
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}
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[[nodiscard]] bool is_unique() const
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{
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return _is_unique;
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}
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[[nodiscard]] index::Type index_type() const
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{
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return _index_type;
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}
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const Schema &check_and_emit_schema(TableMap &tables) override
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{
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if (_database.table_exists(_attribute.table_name().value()) == false)
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{
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throw exception::TableNotFoundException(_attribute.table_name().value());
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}
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tables.insert(_database.table(_attribute.table_name().value()), _attribute.table_name().value());
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tables.check_and_replace_table(_attribute);
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return NotSchematizedNode::check_and_emit_schema(tables);
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}
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private:
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Database &_database;
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expression::Attribute _attribute;
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std::string _index_name;
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index::Type _index_type;
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bool _is_unique;
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};
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} // namespace beedb::plan::logical
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