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121 lines
4.3 KiB
C++
121 lines
4.3 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 2015 Cloudius Systems
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*
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* Modified by Cloudius Systems
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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 "cql3/statements/schema_altering_statement.hh"
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#include "cql3/statements/ks_prop_defs.hh"
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#include <memory>
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namespace cql3 {
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namespace statements {
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class alter_keyspace_statement : public schema_altering_statement {
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sstring _name;
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std::unique_ptr<ks_prop_defs> _attrs;
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public:
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alter_keyspace_statement(sstring name, std::unique_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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virtual const sstring& keyspace() const override {
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return _name;
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}
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#if 0
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public void checkAccess(ClientState state) throws UnauthorizedException, InvalidRequestException
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{
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state.hasKeyspaceAccess(name, Permission.ALTER);
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}
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public void validate(ClientState state) throws RequestValidationException
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{
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KSMetaData ksm = Schema.instance.getKSMetaData(name);
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if (ksm == null)
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throw new InvalidRequestException("Unknown keyspace " + name);
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if (ksm.name.equalsIgnoreCase(SystemKeyspace.NAME))
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throw new InvalidRequestException("Cannot alter system keyspace");
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attrs.validate();
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if (attrs.getReplicationStrategyClass() == null && !attrs.getReplicationOptions().isEmpty())
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{
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throw new ConfigurationException("Missing replication strategy class");
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}
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else if (attrs.getReplicationStrategyClass() != null)
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{
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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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}
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}
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public boolean announceMigration(boolean isLocalOnly) throws RequestValidationException
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{
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KSMetaData ksm = Schema.instance.getKSMetaData(name);
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// In the (very) unlikely case the keyspace was dropped since validate()
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if (ksm == null)
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throw new InvalidRequestException("Unknown keyspace " + name);
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MigrationManager.announceKeyspaceUpdate(attrs.asKSMetadataUpdate(ksm), isLocalOnly);
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return true;
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}
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public Event.SchemaChange changeEvent()
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{
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return new Event.SchemaChange(Event.SchemaChange.Change.UPDATED, keyspace());
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}
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#endif
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};
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}
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}
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