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464e58abf7
Most of the schema altering statements implementations can now stop calling for global migration manager instance and get it from the query processor. Here are the trivial cases when the query processor is just avaiable at the place where it's needed. Signed-off-by: Pavel Emelyanov <xemul@scylladb.com>
113 lines
4.7 KiB
C++
113 lines
4.7 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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#include "cql3/query_processor.hh"
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bool is_system_keyspace(std::string_view 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(service::storage_proxy& proxy, const service::client_state& state) const {
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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) const {
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try {
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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(query_processor& qp) const {
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service::storage_proxy& proxy = qp.proxy();
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auto old_ksm = proxy.get_db().local().find_keyspace(_name).metadata();
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const auto& tm = *proxy.get_token_metadata_ptr();
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return qp.get_migration_manager().announce_keyspace_update(_attrs->as_ks_metadata_update(old_ksm, tm)).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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event::schema_change::target_type::KEYSPACE,
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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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