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* Drop and create empty database before restore * Update "DB Version" label after restore * Prompt to update database (rddbmgr --modify) if not current version
91 lines
2.2 KiB
C++
91 lines
2.2 KiB
C++
// db.cpp
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//
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// Create Rivendell MySQL database RDDbConfig
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//
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// (C) Copyright 2002-2018 Fred Gleason <fredg@paravelsystems.com>
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//
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License version 2 as
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// published by the Free Software Foundation.
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//
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// This program 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
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// License along with this program; if not, write to the Free Software
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// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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//
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#include <qsqldatabase.h>
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#include <qsqlquery.h>
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#include "db.h"
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Db::Db(QString *err_str,RDConfig *config)
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{
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QSqlQuery *q;
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db_schema=0;
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//
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// Open Database
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//
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QSqlDatabase db=QSqlDatabase::addDatabase(config->mysqlDriver(),"Rivendell");
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if(!db.isValid()) {
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*err_str+= QString(QObject::tr("Couldn't initialize MySql driver!"));
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return;
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}
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db.setHostName(config->mysqlHostname());
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db.setDatabaseName(config->mysqlDbname());
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db.setUserName(config->mysqlUsername());
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db.setPassword(config->mysqlPassword());
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if(!db.open()) {
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*err_str+=QString().sprintf("Couldn't open MySQL connection on %s",
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(const char *)config->mysqlHostname());
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return;
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}
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q=new QSqlQuery("select DB from VERSION",db);
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if(q->first()) {
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db_schema=q->value(0).toUInt();
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}
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delete q;
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}
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Db::~Db()
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{
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{
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QSqlDatabase db=QSqlDatabase::database("Rivendell");
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db.close();
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}
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QSqlDatabase::removeDatabase("Rivendell");
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}
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void Db::clearDatabase(QString name)
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{
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QSqlQuery *q;
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QSqlDatabase db=QSqlDatabase::database("Rivendell");
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if(db.isOpen()){
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q=new QSqlQuery(QString().sprintf("drop database if exists `%s`",(const char *)name),db);
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delete q;
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q=new QSqlQuery(QString().sprintf("create database `%s`",(const char *)name),db);
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delete q;
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}
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}
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bool Db::isOpen()
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{
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QSqlDatabase db=QSqlDatabase::database("Rivendell");
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return db.isOpen();
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}
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unsigned Db::schema()
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{
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return db_schema;
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}
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