mirror of
https://github.com/rbock/sqlpp11.git
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215 lines
8.3 KiB
C++
215 lines
8.3 KiB
C++
/*
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* Copyright (c) 2013-2016, Roland Bock
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* * Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "MockDb.h"
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#include "Sample.h"
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#include <sqlpp11/sqlpp11.h>
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#include <iostream>
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int Interpret(int, char* [])
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{
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MockDb db = {};
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MockDb::_serializer_context_t printer = {};
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const auto f = test::TabFoo{};
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const auto t = test::TabBar{};
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select(t.alpha.as(t.beta));
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serialize(insert_into(t).columns(t.beta, t.gamma), printer).str();
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{
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auto i = insert_into(t).columns(t.gamma, t.beta);
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i.values.add(t.gamma = true, t.beta = "cheesecake");
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serialize(i, printer).str();
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i.values.add(t.gamma = sqlpp::default_value, t.beta = sqlpp::null);
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serialize(i, printer).str();
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}
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serialize(t.alpha = sqlpp::null, printer).str();
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serialize(t.alpha = sqlpp::default_value, printer).str();
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serialize(t.alpha, printer).str();
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serialize(-t.alpha, printer).str();
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serialize(+t.alpha, printer).str();
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serialize(-(t.alpha + 7), printer).str();
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serialize(t.alpha = 0, printer).str();
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serialize(t.alpha == 0, printer).str();
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serialize(t.alpha != 0, printer).str();
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serialize(t.alpha == 7, printer).str();
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serialize(t.beta + "kaesekuchen", printer).str();
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serialize(sqlpp::select(), printer).str();
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serialize(sqlpp::select().flags(sqlpp::distinct), printer).str();
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serialize(select(t.alpha, t.beta).flags(sqlpp::distinct), printer).str();
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serialize(select(t.alpha, t.beta), printer).str();
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serialize(select(t.alpha, t.beta).from(t), printer).str();
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serialize(select(t.alpha, t.beta).from(t).where(t.alpha == 3), printer).str();
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serialize(select(t.alpha, t.beta).from(t).where(t.alpha == 3).group_by(t.gamma), printer).str();
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serialize(select(t.alpha, t.beta).from(t).where(t.alpha == 3).group_by(t.gamma).having(t.beta.like("%kuchen")),
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printer)
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.str();
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serialize(select(t.alpha, t.beta)
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.from(t)
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.where(t.alpha == 3)
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.group_by(t.gamma)
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.having(t.beta.like("%kuchen"))
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.order_by(t.beta.asc()),
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printer)
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.str();
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serialize(select(t.alpha, t.beta)
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.from(t)
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.where(t.alpha == 3)
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.group_by(t.gamma)
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.having(t.beta.like("%kuchen"))
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.order_by(t.beta.asc())
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.limit(17u)
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.offset(3u),
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printer)
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.str();
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serialize(parameter(sqlpp::bigint(), t.alpha), printer).str();
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serialize(parameter(t.alpha), printer).str();
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serialize(t.alpha == parameter(t.alpha), printer).str();
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serialize(t.alpha == parameter(t.alpha) and (t.beta + "gimmick").like(parameter(t.beta)), printer).str();
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serialize(insert_into(t), printer).str();
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serialize(insert_into(f).default_values(), printer).str();
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serialize(insert_into(t).set(t.gamma = true), printer).str();
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serialize(update(t), printer).str();
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serialize(update(t).set(t.gamma = true), printer).str();
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serialize(update(t).set(t.gamma = true).where(t.beta.in("kaesekuchen", "cheesecake")), printer).str();
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serialize(update(t).set(t.gamma = true).where(t.beta.in()), printer).str();
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serialize(remove_from(t), printer).str();
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serialize(remove_from(t).using_(t), printer).str();
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// functions
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serialize(sqlpp::value(7), printer).str();
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serialize(sqlpp::verbatim<sqlpp::integral>("irgendwas integrales"), printer).str();
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serialize(sqlpp::value_list(std::vector<int>({1, 2, 3, 4, 5, 6, 8})), printer).str();
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serialize(exists(select(t.alpha).from(t)), printer).str();
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serialize(any(select(t.alpha).from(t)), printer).str();
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serialize(some(select(t.alpha).from(t)), printer).str();
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serialize(count(t.alpha), printer).str();
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serialize(min(t.alpha), printer).str();
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serialize(max(t.alpha), printer).str();
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serialize(avg(t.alpha), printer).str();
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serialize(sum(t.alpha), printer).str();
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serialize(sqlpp::verbatim_table("whatever"), printer).str();
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// alias
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serialize(t.as(t.alpha), printer).str();
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serialize(t.as(t.alpha).beta, printer).str();
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// select alias
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serialize(select(t.alpha).from(t).where(t.beta > "kaesekuchen").as(t.gamma), printer).str();
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// Comparison to null
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static_assert(sqlpp::can_be_null_t<decltype(t.alpha)>::value, "expected alpha can be null");
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static_assert(not sqlpp::can_be_null_t<decltype(f.delta)>::value, "expected delta cannot be null");
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serialize(t.alpha.is_null(), printer).str();
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serialize(f.delta.is_null(), printer).str();
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// join
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serialize(t.inner_join(t.as(t.alpha)).on(t.beta == t.as(t.alpha).beta), printer).str();
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{
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auto inner = t.inner_join(t.as(t.alpha)).on(t.beta == t.as(t.alpha).beta);
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serialize(select(t.alpha).from(inner), printer).str();
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}
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// dynamic select
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{
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auto s = dynamic_select(db).dynamic_flags().dynamic_columns().from(t);
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s.selected_columns.add(t.beta);
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s.selected_columns.add(t.gamma);
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serialize(s, printer).str();
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}
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{
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auto s = dynamic_select(db).dynamic_flags().dynamic_columns().from(t);
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s.select_flags.add(sqlpp::distinct);
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s.selected_columns.add(t.beta);
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s.selected_columns.add(t.gamma);
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serialize(s, printer).str();
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}
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{
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// Behold, dynamically constructed queries might compile but be illegal SQL
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auto s = dynamic_select(db).dynamic_flags(sqlpp::distinct).dynamic_columns(t.alpha);
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s.select_flags.add(sqlpp::all);
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s.selected_columns.add(without_table_check(t.beta));
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s.selected_columns.add(without_table_check(t.gamma));
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serialize(s, printer).str();
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}
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// distinct aggregate
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serialize(count(sqlpp::distinct, t.alpha % 7), printer).str();
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serialize(avg(sqlpp::distinct, t.alpha - 7), printer).str();
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serialize(sum(sqlpp::distinct, t.alpha + 7), printer).str();
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serialize(select(all_of(t)).from(t).unconditionally(), printer).str();
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for (const auto& row : db(select(all_of(t)).from(t).unconditionally()))
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{
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serialize(row.alpha, printer);
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serialize(row.beta, printer);
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serialize(row.gamma, printer);
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}
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get_sql_name(t);
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get_sql_name(t.alpha);
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flatten(t.alpha == 7, db);
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auto x = boolean_expression(db, t.alpha == 7);
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x = sqlpp::boolean_expression<MockDb>(t.beta.like("%cheesecake"));
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x = x and boolean_expression(db, t.gamma);
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std::cerr << "----------------------------" << std::endl;
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printer.reset();
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std::cerr << serialize(x, printer).str() << std::endl;
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printer.reset();
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std::cerr << serialize(select(all_of(t)).from(t).where(t.alpha.in(select(f.epsilon).from(f).unconditionally())),
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printer)
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.str()
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<< std::endl;
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printer.reset();
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std::cerr << serialize(select(all_of(t)).from(t).where(t.alpha.in()), printer).str() << std::endl;
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printer.reset();
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std::cerr << serialize(select(all_of(t)).from(t).where(t.alpha.not_in()), printer).str() << std::endl;
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auto schema = db.attach("lorem");
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auto s = schema_qualified_table(schema, t).as(sqlpp::alias::x);
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printer.reset();
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std::cerr << serialize(select(all_of(s)).from(s).unconditionally(), printer).str() << std::endl;
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printer.reset();
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std::cerr << serialize(sqlpp::case_when(true).then(t.alpha).else_(t.alpha + 1).as(t.beta), printer).str()
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<< std::endl;
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return 0;
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}
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