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dea075c038
In the previous patch we made CREATE KEYSPACE honor the "restrict_replication_simplestrategy" option. In this patch we do the same for ALTER KEYSPACE. We use the same function check_restricted_replication_strategy() used in CREATE KEYSPACE for the logic of what to allow depending on the configuration, and what errors or warnings to generate. One of the non-self-explanatory changes in this patch is to execute(): Previosuly, alter_keyspace_statement inherited its execute() from schema_altering_statement. Now we need to override it to check if the operation is forbidden before running schema_altering_statement's execute() or to warn after it is run. In the previous patch we didn't need to add a new execute() for create_keyspace_statement because we already had one. Signed-off-by: Nadav Har'El <nyh@scylladb.com>
74 lines
2.5 KiB
C++
74 lines
2.5 KiB
C++
/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/*
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* Copyright (C) 2015-present ScyllaDB
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*
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* Modified by ScyllaDB
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*/
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/*
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* This file is part of Scylla.
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*
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* Scylla is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Scylla is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Scylla. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include <memory>
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#include "cql3/statements/schema_altering_statement.hh"
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namespace cql3 {
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class query_processor;
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namespace statements {
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class ks_prop_defs;
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class alter_keyspace_statement : public schema_altering_statement {
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sstring _name;
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::shared_ptr<ks_prop_defs> _attrs;
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public:
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alter_keyspace_statement(sstring name, ::shared_ptr<ks_prop_defs> attrs);
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const sstring& keyspace() const override;
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future<> check_access(service::storage_proxy& proxy, const service::client_state& state) const override;
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void validate(service::storage_proxy& proxy, const service::client_state& state) const override;
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future<shared_ptr<cql_transport::event::schema_change>> announce_migration(query_processor& qp) const override;
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virtual std::unique_ptr<prepared_statement> prepare(database& db, cql_stats& stats) override;
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virtual future<::shared_ptr<messages::result_message>> execute(query_processor& qp, service::query_state& state, const query_options& options) const override;
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};
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}
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}
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