beedb/include/plan/logical/node/create_index_node.h

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2022-04-04 20:25:01 +02:00
/*------------------------------------------------------------------------------*
* Architecture & Implementation of DBMS *
*------------------------------------------------------------------------------*
* Copyright 2022 Databases and Information Systems Group TU Dortmund *
* Visit us at *
* http://dbis.cs.tu-dortmund.de/cms/en/home/ *
* *
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, *
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL *
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR *
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, *
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR *
* OTHER DEALINGS IN THE SOFTWARE. *
* *
* Authors: *
* Maximilian Berens <maximilian.berens@tu-dortmund.de> *
* Roland Kühn <roland.kuehn@cs.tu-dortmund.de> *
* Jan Mühlig <jan.muehlig@tu-dortmund.de> *
*------------------------------------------------------------------------------*
*/
#pragma once
#include "node_interface.h"
#include <index/type.h>
namespace beedb::plan::logical
{
class CreateIndexNode final : public NotSchematizedNode
{
public:
CreateIndexNode(Database &database, expression::Attribute &&attribute, std::string &&index_name,
const index::Type index_type, const bool is_unique)
: NotSchematizedNode("Create Index"), _database(database), _attribute(std::move(attribute)),
_index_name(std::move(index_name)), _index_type(index_type), _is_unique(is_unique)
{
}
~CreateIndexNode() override = default;
[[nodiscard]] const expression::Attribute &attribute() const
{
return _attribute;
}
[[nodiscard]] const std::string &index_name() const
{
return _index_name;
}
[[nodiscard]] bool is_unique() const
{
return _is_unique;
}
[[nodiscard]] index::Type index_type() const
{
return _index_type;
}
const Schema &check_and_emit_schema(TableMap &tables) override
{
if (_database.table_exists(_attribute.table_name().value()) == false)
{
throw exception::TableNotFoundException(_attribute.table_name().value());
}
tables.insert(_database.table(_attribute.table_name().value()), _attribute.table_name().value());
tables.check_and_replace_table(_attribute);
return NotSchematizedNode::check_and_emit_schema(tables);
}
private:
Database &_database;
expression::Attribute _attribute;
std::string _index_name;
index::Type _index_type;
bool _is_unique;
};
} // namespace beedb::plan::logical