Files
scylladb/cql3/column_specification.hh
Pekka Enberg a68671e247 cql3: Add column_specification::all_in_same_table() helper
We need it the prepared_metadata class that we're about to introduce.
2016-05-16 14:13:31 +03:00

83 lines
2.7 KiB
C++

/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/*
* Copyright (C) 2015 ScyllaDB
*
* Modified by ScyllaDB
*/
/*
* This file is part of Scylla.
*
* Scylla is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Scylla is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Scylla. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include "types.hh"
namespace cql3 {
class column_specification;
class column_identifier;
class column_specification final {
public:
const sstring ks_name;
const sstring cf_name;
const ::shared_ptr<column_identifier> name;
const data_type type;
column_specification(sstring ks_name_, sstring cf_name_, ::shared_ptr<column_identifier> name_, data_type type_)
: ks_name(std::move(ks_name_))
, cf_name(std::move(cf_name_))
, name(name_)
, type(type_)
{ }
/**
* Returns a new <code>ColumnSpecification</code> for the same column but with the specified alias.
*
* @param alias the column alias
* @return a new <code>ColumnSpecification</code> for the same column but with the specified alias.
*/
::shared_ptr<column_specification> with_alias(::shared_ptr<column_identifier> alias) {
return ::make_shared<column_specification>(ks_name, cf_name, alias, type);
}
bool is_reversed_type() const {
return ::dynamic_pointer_cast<const reversed_type_impl>(type) != nullptr;
}
static bool all_in_same_table(const std::vector<::shared_ptr<column_specification>>& names);
};
}