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94 lines
3.0 KiB
C++
94 lines
3.0 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 2014 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/parsed_statement.hh"
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#include "cql3/cf_name.hh"
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#include <experimental/optional>
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namespace cql3 {
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namespace statements {
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/**
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* Abstract class for statements that apply on a given column family.
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*/
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class cf_statement : public parsed_statement {
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protected:
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::shared_ptr<cf_name> _cf_name;
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cf_statement(::shared_ptr<cf_name> cf_name)
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: _cf_name(std::move(cf_name))
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{ }
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public:
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virtual void prepare_keyspace(const service::client_state& state) {
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if (!_cf_name->has_keyspace()) {
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// XXX: We explicitely only want to call state.getKeyspace() in this case, as we don't want to throw
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// if not logged in any keyspace but a keyspace is explicitely set on the statement. So don't move
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// the call outside the 'if' or replace the method by 'prepareKeyspace(state.getKeyspace())'
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_cf_name->set_keyspace(state.get_keyspace(), true);
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}
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}
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// Only for internal calls, use the version with ClientState for user queries
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virtual void prepare_keyspace(sstring keyspace) {
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if (!_cf_name->has_keyspace()) {
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_cf_name->set_keyspace(keyspace, true);
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}
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}
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virtual const sstring& keyspace() const {
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assert(_cf_name->has_keyspace()); // "The statement hasn't be prepared correctly";
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return _cf_name->get_keyspace();
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}
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virtual const sstring& column_family() const {
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return _cf_name->get_column_family();
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}
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};
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}
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}
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