109 lines
4.6 KiB
C++
109 lines
4.6 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 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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#include "alter_keyspace_statement.hh"
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#include "prepared_statement.hh"
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#include "service/migration_manager.hh"
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#include "db/system_keyspace.hh"
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#include "database.hh"
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bool is_system_keyspace(const sstring& keyspace);
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cql3::statements::alter_keyspace_statement::alter_keyspace_statement(sstring name, ::shared_ptr<ks_prop_defs> attrs)
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: _name(name)
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, _attrs(std::move(attrs))
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{}
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const sstring& cql3::statements::alter_keyspace_statement::keyspace() const {
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return _name;
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}
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future<> cql3::statements::alter_keyspace_statement::check_access(const service::client_state& state) {
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return state.has_keyspace_access(_name, auth::permission::ALTER);
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}
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void cql3::statements::alter_keyspace_statement::validate(service::storage_proxy& proxy, const service::client_state& state) {
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try {
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service::get_local_storage_proxy().get_db().local().find_keyspace(_name); // throws on failure
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auto tmp = _name;
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std::transform(tmp.begin(), tmp.end(), tmp.begin(), ::tolower);
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if (is_system_keyspace(tmp)) {
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throw exceptions::invalid_request_exception("Cannot alter system keyspace");
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}
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_attrs->validate();
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if (!bool(_attrs->get_replication_strategy_class()) && !_attrs->get_replication_options().empty()) {
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throw exceptions::configuration_exception("Missing replication strategy class");
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}
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#if 0
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// The strategy is validated through KSMetaData.validate() in announceKeyspaceUpdate below.
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// However, for backward compatibility with thrift, this doesn't validate unexpected options yet,
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// so doing proper validation here.
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AbstractReplicationStrategy.validateReplicationStrategy(name,
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AbstractReplicationStrategy.getClass(attrs.getReplicationStrategyClass()),
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StorageService.instance.getTokenMetadata(),
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DatabaseDescriptor.getEndpointSnitch(),
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attrs.getReplicationOptions());
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#endif
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} catch (no_such_keyspace& e) {
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std::throw_with_nested(exceptions::invalid_request_exception("Unknown keyspace " + _name));
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}
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}
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future<shared_ptr<cql_transport::event::schema_change>> cql3::statements::alter_keyspace_statement::announce_migration(service::storage_proxy& proxy, bool is_local_only) {
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auto old_ksm = service::get_local_storage_proxy().get_db().local().find_keyspace(_name).metadata();
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return service::get_local_migration_manager().announce_keyspace_update(_attrs->as_ks_metadata_update(old_ksm), is_local_only).then([this] {
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using namespace cql_transport;
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return make_shared<event::schema_change>(
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event::schema_change::change_type::UPDATED,
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keyspace());
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});
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}
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std::unique_ptr<cql3::statements::prepared_statement>
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cql3::statements::alter_keyspace_statement::prepare(database& db, cql_stats& stats) {
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return std::make_unique<prepared_statement>(make_shared<alter_keyspace_statement>(*this));
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}
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