/* * Copyright (c) 2015 - 2016, Roland Bock * All rights reserved. * * Redistribution and use in source and binary forms, with or without modification, * are permitted provided that the following conditions are met: * * * Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED * OF THE POSSIBILITY OF SUCH DAMAGE. */ #include "TabSample.h" #include #include #include #ifdef SQLPP_USE_SQLCIPHER #include #else #include #endif #include #include namespace sql = sqlpp::sqlite3; int Attach(int, char*[]) { sql::connection_config config; config.path_to_database = ":memory:"; config.flags = SQLITE_OPEN_READWRITE | SQLITE_OPEN_CREATE; config.debug = true; // Opening a connection to an in-memory database and creating a table in it sql::connection db(config); db.execute(R"(CREATE TABLE tab_sample ( alpha INTEGER PRIMARY KEY, beta varchar(255) DEFAULT NULL, gamma bool DEFAULT NULL ))"); // Attaching another in-memory database and creating the same table in it auto other = db.attach(config, "other"); db.execute(R"(CREATE TABLE other.tab_sample ( alpha INTEGER PRIMARY KEY, beta varchar(255) DEFAULT NULL, gamma bool DEFAULT NULL ))"); auto left = TabSample{}; auto right = schema_qualified_table(other, TabSample{}).as(sqlpp::alias::right); // this is a table in the attached database // inserting in one tab_sample db(insert_into(left).default_values()); // selecting from the other tab_sample assert(db(select(all_of(right)).from(right).unconditionally()).empty()); return 0; }