Files
scylladb/cql3/functions/native_function.hh
Pekka Enberg d50139351f cql3: Use pragma once everywhere
There's no benefit to using C include guards so switch to pragma once
everywhere for consistency.

Signed-off-by: Pekka Enberg <penberg@cloudius-systems.com>
2015-05-12 16:32:56 +03:00

55 lines
1.5 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.
*/
/*
* Modified by Cloudius Systems
*
* Copyright 2014 Cloudius Systems
*/
#pragma once
#include "abstract_function.hh"
namespace cql3 {
namespace functions {
/**
* Base class for our native/hardcoded functions.
*/
class native_function : public abstract_function {
protected:
native_function(sstring name, data_type return_type, std::vector<data_type> arg_types)
: abstract_function(function_name::native_function(std::move(name)),
std::move(arg_types), std::move(return_type)) {
}
public:
// Most of our functions are pure, the other ones should override this
virtual bool is_pure() override {
return true;
}
virtual bool is_native() override {
return true;
}
};
}
}