/* * Copyright (c) 2013 - 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 #include #include #include #include #include #ifdef SQLPP_USE_SQLCIPHER #include #else #include #endif #include #include SQLPP_ALIAS_PROVIDER(left) namespace sql = sqlpp::sqlite3; int DynamicSelect(int, char*[]) { sql::connection_config config; config.path_to_database = ":memory:"; config.flags = SQLITE_OPEN_READWRITE | SQLITE_OPEN_CREATE; config.debug = true; sql::connection db(config); db.execute("CREATE TABLE tab_sample (\ alpha bigint(20) DEFAULT NULL,\ beta varchar(255) DEFAULT NULL,\ gamma bool DEFAULT NULL\ )"); const auto tab = TabSample{}; auto i = insert_into(tab).columns(tab.beta, tab.gamma); i.values.add(tab.beta = "rhabarbertorte", tab.gamma = false); // i.values.add(tab.beta = "cheesecake", tab.gamma = false) // i.values.add(tab.beta = "kaesekuchen", tab.gamma = true) auto last_insert_rowid = db(i); std::cerr << "last insert rowid: " << last_insert_rowid << std::endl; // Just to demonstrate that you can call basically any function std::cerr << "last insert rowid: " << db(select(sqlpp::verbatim("last_insert_rowid()").as(tab.alpha))).front().alpha << std::endl; // select a static (alpha) and a dynamic column (beta) auto s = dynamic_select(db).dynamic_columns(tab.alpha.as(left)).from(tab).unconditionally(); s.selected_columns.add(tab.beta); s.selected_columns.add(tab.gamma); for (const auto& row : db(s)) { std::cerr << "row.alpha: " << row.left << ", row.beta: " << row.at("beta") << ", row.gamma: " << row.at("gamma") << std::endl; }; return 0; }