7bd4b7ca63
Rather than having one class fulfil both roles, have one class per role, disentangling dependencies. Message-Id: <1465053407-20931-1-git-send-email-avi@scylladb.com>
116 lines
3.4 KiB
C++
116 lines
3.4 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 "cql3/statements/use_statement.hh"
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#include "cql3/statements/raw/use_statement.hh"
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#include "transport/messages/result_message.hh"
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namespace cql3 {
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namespace statements {
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use_statement::use_statement(sstring keyspace)
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: _keyspace(keyspace)
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{
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}
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uint32_t use_statement::get_bound_terms()
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{
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return 0;
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}
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namespace raw {
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use_statement::use_statement(sstring keyspace)
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: _keyspace(keyspace)
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{
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}
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::shared_ptr<prepared_statement> use_statement::prepare(database& db)
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{
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return ::make_shared<prepared>(make_shared<cql3::statements::use_statement>(_keyspace));
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}
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}
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bool use_statement::uses_function(const sstring& ks_name, const sstring& function_name) const
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{
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return false;
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}
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bool use_statement::depends_on_keyspace(const sstring& ks_name) const
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{
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return false;
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}
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bool use_statement::depends_on_column_family(const sstring& cf_name) const
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{
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return false;
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}
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future<> use_statement::check_access(const service::client_state& state)
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{
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state.validate_login();
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return make_ready_future<>();
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}
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void use_statement::validate(distributed<service::storage_proxy>&, const service::client_state& state)
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{
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}
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future<::shared_ptr<transport::messages::result_message>>
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use_statement::execute(distributed<service::storage_proxy>& proxy, service::query_state& state, const query_options& options) {
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state.get_client_state().set_keyspace(proxy.local().get_db(), _keyspace);
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auto result =::make_shared<transport::messages::result_message::set_keyspace>(_keyspace);
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return make_ready_future<::shared_ptr<transport::messages::result_message>>(result);
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}
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future<::shared_ptr<transport::messages::result_message>>
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use_statement::execute_internal(distributed<service::storage_proxy>& proxy, service::query_state& state, const query_options& options) {
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// Internal queries are exclusively on the system keyspace and 'use' is thus useless
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throw std::runtime_error("unsupported operation");
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}
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}
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}
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