/* * Copyright (c) 2013, 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 class DbMock { public: const std::string& escape(const std::string& text) { return text; } }; DbMock db; int main() { TabSample t; // Test a table { using T = decltype(t); static_assert(not sqlpp::is_numeric_t::value, "type requirement"); static_assert(not sqlpp::is_expression_t::value, "type requirement"); static_assert(not sqlpp::is_named_expression_t::value, "type requirement"); static_assert(not sqlpp::require_insert_t::value, "type requirement"); static_assert(not sqlpp::must_not_insert_t::value, "type requirement"); static_assert(not sqlpp::must_not_update_t::value, "type requirement"); static_assert(not sqlpp::is_boolean_t::value, "type requirement"); static_assert(not sqlpp::is_text_t::value, "type requirement"); static_assert(not sqlpp::is_alias_t::value, "type requirement"); static_assert(sqlpp::is_table_t::value, "type requirement"); } // Test an alias of table { using T = decltype(t.as(sqlpp::alias::a)); static_assert(not sqlpp::is_numeric_t::value, "type requirement"); static_assert(not sqlpp::is_expression_t::value, "type requirement"); static_assert(not sqlpp::is_named_expression_t::value, "type requirement"); static_assert(not sqlpp::require_insert_t::value, "type requirement"); static_assert(not sqlpp::must_not_insert_t::value, "type requirement"); static_assert(not sqlpp::must_not_update_t::value, "type requirement"); static_assert(not sqlpp::is_boolean_t::value, "type requirement"); static_assert(not sqlpp::is_text_t::value, "type requirement"); static_assert(sqlpp::is_alias_t::value, "type requirement"); static_assert(sqlpp::is_table_t::value, "type requirement"); } // Test a colum of an alias of table { using T = decltype(t.as(sqlpp::alias::a).alpha); static_assert(sqlpp::is_numeric_t::value, "type requirement"); static_assert(sqlpp::is_expression_t::value, "type requirement"); static_assert(sqlpp::is_named_expression_t::value, "type requirement"); static_assert(not sqlpp::require_insert_t::value, "type requirement"); static_assert(sqlpp::must_not_insert_t::value, "type requirement"); static_assert(sqlpp::must_not_update_t::value, "type requirement"); static_assert(not sqlpp::is_boolean_t::value, "type requirement"); static_assert(not sqlpp::is_text_t::value, "type requirement"); static_assert(not sqlpp::is_alias_t::value, "type requirement"); static_assert(not sqlpp::is_table_t::value, "type requirement"); } // Test a numeric table column { using T = decltype(t.alpha); static_assert(sqlpp::is_numeric_t::value, "type requirement"); static_assert(sqlpp::is_expression_t::value, "type requirement"); static_assert(sqlpp::is_named_expression_t::value, "type requirement"); static_assert(not sqlpp::require_insert_t::value, "type requirement"); static_assert(sqlpp::must_not_insert_t::value, "type requirement"); static_assert(sqlpp::must_not_update_t::value, "type requirement"); static_assert(not sqlpp::is_boolean_t::value, "type requirement"); static_assert(not sqlpp::is_text_t::value, "type requirement"); static_assert(not sqlpp::is_alias_t::value, "type requirement"); static_assert(not sqlpp::is_table_t::value, "type requirement"); } // Test a an alias of a numeric table column { using T = decltype(t.alpha.as(sqlpp::alias::a)); static_assert(sqlpp::is_numeric_t::value, "type requirement"); static_assert(not sqlpp::is_expression_t::value, "type requirement"); static_assert(sqlpp::is_named_expression_t::value, "type requirement"); static_assert(not sqlpp::require_insert_t::value, "type requirement"); static_assert(not sqlpp::must_not_insert_t::value, "type requirement"); static_assert(not sqlpp::must_not_update_t::value, "type requirement"); static_assert(not sqlpp::is_boolean_t::value, "type requirement"); static_assert(not sqlpp::is_text_t::value, "type requirement"); static_assert(sqlpp::is_alias_t::value, "type requirement"); static_assert(not sqlpp::is_table_t::value, "type requirement"); } // Test a select of a single column without a from { using T = decltype(select(t.alpha)); // Hint: The current rule is pretty crude (a from is required), but certainly better than nothing static_assert(not sqlpp::is_numeric_t::value, "type requirement"); static_assert(not sqlpp::is_expression_t::value, "type requirement"); static_assert(not sqlpp::is_named_expression_t::value, "type requirement"); static_assert(not sqlpp::require_insert_t::value, "type requirement"); static_assert(not sqlpp::must_not_insert_t::value, "type requirement"); static_assert(not sqlpp::must_not_update_t::value, "type requirement"); static_assert(not sqlpp::is_boolean_t::value, "type requirement"); static_assert(not sqlpp::is_text_t::value, "type requirement"); static_assert(not sqlpp::is_alias_t::value, "type requirement"); static_assert(not sqlpp::is_table_t::value, "type requirement"); } // Test a select of a single numeric table column { using T = decltype(select(t.alpha).from(t)); static_assert(sqlpp::is_numeric_t::value, "type requirement"); static_assert(sqlpp::is_expression_t::value, "type requirement"); static_assert(sqlpp::is_named_expression_t::value, "type requirement"); static_assert(not sqlpp::require_insert_t::value, "type requirement"); static_assert(not sqlpp::must_not_insert_t::value, "type requirement"); static_assert(not sqlpp::must_not_update_t::value, "type requirement"); static_assert(not sqlpp::is_boolean_t::value, "type requirement"); static_assert(not sqlpp::is_text_t::value, "type requirement"); static_assert(not sqlpp::is_alias_t::value, "type requirement"); static_assert(not sqlpp::is_table_t::value, "type requirement"); } // Test a select of an alias of a single numeric table column { using T = decltype(select(t.alpha.as(sqlpp::alias::a)).from(t)); static_assert(sqlpp::is_numeric_t::value, "type requirement"); static_assert(sqlpp::is_expression_t::value, "type requirement"); static_assert(sqlpp::is_named_expression_t::value, "type requirement"); static_assert(not sqlpp::require_insert_t::value, "type requirement"); static_assert(not sqlpp::must_not_insert_t::value, "type requirement"); static_assert(not sqlpp::must_not_update_t::value, "type requirement"); static_assert(not sqlpp::is_boolean_t::value, "type requirement"); static_assert(not sqlpp::is_text_t::value, "type requirement"); static_assert(not sqlpp::is_alias_t::value, "type requirement"); static_assert(not sqlpp::is_table_t::value, "type requirement"); } // Test an alias of a select of a single numeric table column { using T = decltype(select(t.alpha).from(t).as(sqlpp::alias::b)); static_assert(not sqlpp::is_numeric_t::value, "type requirement"); static_assert(not sqlpp::is_expression_t::value, "type requirement"); static_assert(not sqlpp::is_named_expression_t::value, "type requirement"); static_assert(not sqlpp::require_insert_t::value, "type requirement"); static_assert(not sqlpp::must_not_insert_t::value, "type requirement"); static_assert(not sqlpp::must_not_update_t::value, "type requirement"); static_assert(not sqlpp::is_boolean_t::value, "red to not be boolean"); static_assert(not sqlpp::is_text_t::value, "type requirement"); static_assert(sqlpp::is_alias_t::value, "type requirement"); static_assert(sqlpp::is_table_t::value, "type requirement"); } // Test the column of an alias of a select of an alias of a single numeric table column { using T = decltype(select(t.alpha.as(sqlpp::alias::a)).from(t).as(sqlpp::alias::b)); static_assert(not sqlpp::is_numeric_t::value, "type requirement"); static_assert(not sqlpp::is_expression_t::value, "type requirement"); static_assert(not sqlpp::is_named_expression_t::value, "type requirement"); static_assert(not sqlpp::require_insert_t::value, "type requirement"); static_assert(not sqlpp::must_not_insert_t::value, "type requirement"); static_assert(not sqlpp::must_not_update_t::value, "type requirement"); static_assert(not sqlpp::is_boolean_t::value, "type requirement"); static_assert(not sqlpp::is_text_t::value, "type requirement"); static_assert(sqlpp::is_alias_t::value, "type requirement"); static_assert(sqlpp::is_table_t::value, "type requirement"); } // Test the column of an alias of a select of a single numeric table column { using T = decltype(select(t.alpha).from(t).as(sqlpp::alias::b).alpha); static_assert(sqlpp::is_numeric_t::value, "type requirement"); static_assert(sqlpp::is_expression_t::value, "type requirement"); static_assert(sqlpp::is_named_expression_t::value, "type requirement"); static_assert(not sqlpp::require_insert_t::value, "type requirement"); static_assert(not sqlpp::must_not_insert_t::value, "type requirement"); static_assert(not sqlpp::must_not_update_t::value, "type requirement"); static_assert(not sqlpp::is_boolean_t::value, "type requirement"); static_assert(not sqlpp::is_text_t::value, "type requirement"); static_assert(not sqlpp::is_alias_t::value, "type requirement"); static_assert(not sqlpp::is_table_t::value, "type requirement"); } // Test an alias of a select of an alias of a single numeric table column { using T = decltype(select(t.alpha.as(sqlpp::alias::a)).from(t).as(sqlpp::alias::b).a); static_assert(sqlpp::is_numeric_t::value, "type requirement"); static_assert(sqlpp::is_expression_t::value, "type requirement"); static_assert(sqlpp::is_named_expression_t::value, "type requirement"); static_assert(not sqlpp::require_insert_t::value, "type requirement"); static_assert(not sqlpp::must_not_insert_t::value, "type requirement"); static_assert(not sqlpp::must_not_update_t::value, "type requirement"); static_assert(not sqlpp::is_boolean_t::value, "type requirement"); static_assert(not sqlpp::is_text_t::value, "type requirement"); static_assert(not sqlpp::is_alias_t::value, "type requirement"); static_assert(not sqlpp::is_table_t::value, "type requirement"); } // Test that select(all_of(tab)) is expanded in select { auto a = select(all_of(t)); auto b = select(t.alpha, t.beta, t.gamma); auto c = select(t); static_assert(std::is_same::value, "all_of(t) has to be expanded by select()"); static_assert(std::is_same::value, "t has to be expanded by select()"); } // Test that select(all_of(tab)) is expanded in multi_column { auto a = multi_column(sqlpp::alias::a, all_of(t)); auto b = multi_column(sqlpp::alias::a, t.alpha, t.beta, t.gamma); static_assert(std::is_same::value, "all_of(t) has to be expanded by multi_column"); } // Test that select(tab) is expanded in multi_column { auto a = multi_column(sqlpp::alias::a, t); auto b = multi_column(sqlpp::alias::a, t.alpha, t.beta, t.gamma); static_assert(std::is_same::value, "t has to be expanded by multi_column"); } // Test that a multicolumn is not a value { auto m = multi_column(sqlpp::alias::a, t.alpha, t.beta); auto a = select(m).from(t).as(sqlpp::alias::b).a; static_assert(not sqlpp::is_value_t::value, "a multi_column is not a value"); } static_assert(sqlpp::is_select_flag_t::value, "sqlpp::all has to be a select_flag"); using T = sqlpp::detail::wrap_operand::type; static_assert(T::_is_expression, "T has to be an expression"); static_assert(std::is_same::value, "T has to be a numeric"); static_assert(sqlpp::is_numeric_t::value, "T has to be a numeric"); static_assert(sqlpp::is_numeric_t::value, "TabSample.alpha has to be a numeric"); ((t.alpha + 7) + 4).asc(); static_assert(sqlpp::is_boolean_t::value, "Comparison expression have to be boolean"); auto x = (t.gamma == true) and (t.alpha == 7); auto y = t.gamma and true and t.gamma; !t.gamma; t.beta < "kaesekuchen"; (t.beta + "hallenhalma").serialize(std::cerr, db); static_assert(sqlpp::must_not_insert_t::value, "alpha must not be inserted"); t.alpha.serialize(std::cerr, db); std::cerr << "\n" << sizeof(TabSample) << std::endl; static_assert(std::is_same::value, "alpha should be a named expression"); static_assert(sqlpp::is_named_expression_t::value, "alpha should be a named expression"); static_assert(sqlpp::is_named_expression_t::value, "an alias of alpha should be a named expression"); static_assert(sqlpp::is_alias_t::value, "an alias of alpha should be an alias"); auto z = select(t.alpha) == 7; auto l = t.as(sqlpp::alias::left); auto r = select(t.gamma.as(sqlpp::alias::a)).from(t).where(t.gamma == true).as(sqlpp::alias::right); static_assert(sqlpp::is_boolean_t::value, "select(bool) has to be a bool"); select(sqlpp::distinct, sqlpp::straight_join, l.alpha, l.beta, select(r.a).from(r)) .from(l, r) .where(t.beta == "hello world" and select(t.gamma).from(t))// .as(sqlpp::alias::right)) .group_by(l.gamma, r.a) .having(r.a != true) .order_by(l.beta.asc()) .limit(17) .offset(3) .as(sqlpp::alias::a) .serialize(std::cerr, db); return 0; }