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scylladb/cql3/selection/raw_selector.hh

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/*
* 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 2015 Cloudius Systems
*
* Modified by Cloudius Systems
*/
#pragma once
#include "cql3/selection/selectable.hh"
#include "cql3/column_identifier.hh"
namespace cql3 {
namespace selection {
class raw_selector {
public:
const ::shared_ptr<selectable::raw> selectable_;
const ::shared_ptr<column_identifier> alias;
raw_selector(shared_ptr<selectable::raw> selectable__, shared_ptr<column_identifier> alias_)
: selectable_{selectable__}
, alias{alias_}
{ }
/**
* Converts the specified list of <code>RawSelector</code>s into a list of <code>Selectable</code>s.
*
* @param raws the <code>RawSelector</code>s to converts.
* @return a list of <code>Selectable</code>s
*/
static std::vector<::shared_ptr<selectable>> to_selectables(const std::vector<::shared_ptr<raw_selector>>& raws,
schema_ptr schema) {
std::vector<::shared_ptr<selectable>> r;
r.reserve(raws.size());
for (auto&& raw : raws) {
r.emplace_back(raw->selectable_->prepare(schema));
}
return r;
}
bool processes_selection() const {
return selectable_->processes_selection();
}
};
}
}