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scylladb/cql3/abstract_marker.hh
2015-07-24 10:21:11 +02:00

80 lines
2.6 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 2015 Cloudius Systems
*
* Modified by Cloudius Systems
*/
#pragma once
#include "cql3/variable_specifications.hh"
#include "cql3/column_specification.hh"
#include "cql3/term.hh"
namespace cql3 {
/**
* A single bind marker.
*/
class abstract_marker : public non_terminal {
protected:
const int32_t _bind_index;
const ::shared_ptr<column_specification> _receiver;
public:
abstract_marker(int32_t bind_index, ::shared_ptr<column_specification>&& receiver);
virtual void collect_marker_specification(::shared_ptr<variable_specifications> bound_names) override;
virtual bool contains_bind_marker() const override;
/**
* A parsed, but non prepared, bind marker.
*/
class raw : public term::raw {
protected:
const int32_t _bind_index;
public:
raw(int32_t bind_index);
virtual ::shared_ptr<term> prepare(database& db, const sstring& keyspace, ::shared_ptr<column_specification> receiver) override;
virtual assignment_testable::test_result test_assignment(database& db, const sstring& keyspace, ::shared_ptr<column_specification> receiver) override;
virtual sstring to_string() const override;
};
/**
* A raw placeholder for multiple values of the same type for a single column.
* For example, "SELECT ... WHERE user_id IN ?'.
*
* Because a single type is used, a List is used to represent the values.
*/
class in_raw : public raw {
public:
in_raw(int32_t bind_index);
private:
static ::shared_ptr<column_specification> make_in_receiver(::shared_ptr<column_specification> receiver);
public:
virtual ::shared_ptr<term> prepare(database& db, const sstring& keyspace, ::shared_ptr<column_specification> receiver) override;
};
};
}