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scylladb/cql3/operation_impl.hh

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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 2015 Cloudius Systems
*
* Modified by Cloudius Systems
*/
#pragma once
#include "operation.hh"
#include "constants.hh"
#include "maps.hh"
namespace cql3 {
class operation::set_value : public raw_update {
private:
::shared_ptr<term::raw> _value;
public:
set_value(::shared_ptr<term::raw> value) : _value(std::move(value)) {}
virtual ::shared_ptr <operation> prepare(const sstring& keyspace, column_definition& receiver) override {
auto v = _value->prepare(keyspace, receiver.column_specification);
if (receiver.type->is_counter()) {
throw exceptions::invalid_request_exception(sprint("Cannot set the value of counter column %s (counters can only be incremented/decremented, not set)", receiver.name_as_text()));
}
if (!receiver.type->is_collection()) {
return ::make_shared<constants::setter>(receiver, v);
}
auto& k = static_pointer_cast<collection_type_impl>(receiver.type)->_kind;
if (&k == &collection_type_impl::kind::list) {
throw std::runtime_error("not implemented"); // FIXME
// return new Lists.Setter(receiver, v);
} else if (&k == &collection_type_impl::kind::set) {
throw std::runtime_error("not implemented"); // FIXME
// return new Sets.Setter(receiver, v);
} else if (&k == &collection_type_impl::kind::map) {
return make_shared<maps::setter>(receiver, v);
} else {
abort();
}
}
#if 0
protected String toString(ColumnSpecification column)
{
return String.format("%s = %s", column, value);
}
#endif
virtual bool is_compatible_with(::shared_ptr <raw_update> other) override {
// We don't allow setting multiple time the same column, because 1)
// it's stupid and 2) the result would seem random to the user.
return false;
}
};
}