/* * @project The CERN Tape Archive (CTA) * @copyright Copyright(C) 2015-2021 CERN * @license This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see . */ #pragma once #include "catalogue/Catalogue.hpp" #include "catalogue/CmdLineTool.hpp" #include "rdbms/Conn.hpp" #include "rdbms/Login.hpp" namespace cta { namespace catalogue { /** * Command-line tool that drops the schema of the catalogue database. */ class DropSchemaCmd: public CmdLineTool { public: /** * Constructor. * * @param inStream Standard input stream. * @param outStream Standard output stream. * @param errStream Standard error stream. */ DropSchemaCmd(std::istream &inStream, std::ostream &outStream, std::ostream &errStream); /** * Destructor. */ ~DropSchemaCmd() noexcept; private: /** * An exception throwing version of main(). * * @param argc The number of command-line arguments including the program name. * @param argv The command-line arguments. * @return The exit value of the program. */ int exceptionThrowingMain(const int argc, char *const *const argv) override; /** * Prints the usage message of the command-line tool. * * @param os The output stream to which the usage message is to be printed. */ void printUsage(std::ostream &os) override; /** * Asks the user to confirm that they want to drop the schema of the catalogue * database. * * @param dbLogin The database login. * @return True if the user confirmed. */ bool userConfirmsDropOfSchema(const rdbms::Login &dbLogin); /** * Unconditionally drops the schema of the catalogue database associated with * the specified database connection. * * @param dbType The database type. * @param conn The database connection. */ void dropCatalogueSchema(const rdbms::Login::DbType &dbType, rdbms::Conn &conn); /** * Drops the database tables with the specified names. * * @param conn The database connection. */ void dropDatabaseTables(rdbms::Conn &conn); /** * Drops the database sequences with the specified names. * * @param conn The database connection. */ void dropDatabaseSequences(rdbms::Conn &conn); /** * Checks if the IS_PRODUCTION bit is set on the CTA_CATALOGUE table * @return true if the IS_PRODUCTION bit is set, false otherwise */ bool isProductionSet(rdbms::Conn & conn); /** * Checks if we can check the IS_PRODUCTION bit. This allows the backward-compatibility of * this tool if we use it against a schema that does not have the IS_PRODUCTION bit. * @param conn the connection to the Catalogue database * @param dbType the type of the Catalogue database * @return true if the production bit is set, false otherwise */ bool isProductionProtectionCheckable(rdbms::Conn & conn, const cta::rdbms::Login::DbType dbType); }; // class DropSchemaCmd } // namespace catalogue } // namespace cta