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sqlpp11/tests/FunctionTest.cpp
rbock cdf86695d1 Fixed a bunch of shadowing warnings issued by g++ 
A bit over the top in some places, I think
2015-03-21 11:41:07 +01:00

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/*
* Copyright (c) 2013-2015, 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 "Sample.h"
#include "MockDb.h"
#include <sqlpp11/alias_provider.h>
#include <sqlpp11/select.h>
#include <sqlpp11/functions.h>
#include <sqlpp11/connection.h>
#include <iostream>
SQLPP_ALIAS_PROVIDER(kaesekuchen)
int main()
{
MockDb db = {};
test::TabFoo f;
test::TabBar t;
//f.omega + 4 *= "";
// MEMBER FUNCTIONS
// ----------------
// Test in
{
using TI = decltype(t.alpha.in(1, 2, 3));
using TF = decltype(f.omega.in(1.0, 2.0, 3.0));
using TT = decltype(t.beta.in("a", "b", "c"));
static_assert(sqlpp::is_selectable_t<TI>::value, "type requirement");
static_assert(sqlpp::is_boolean_t<TI>::value, "type requirement");
static_assert(not sqlpp::is_numeric_t<TI>::value, "type requirement");
static_assert(not sqlpp::is_text_t<TI>::value, "type requirement");
static_assert(sqlpp::is_selectable_t<TF>::value, "type requirement");
static_assert(sqlpp::is_boolean_t<TF>::value, "type requirement");
static_assert(not sqlpp::is_numeric_t<TF>::value, "type requirement");
static_assert(not sqlpp::is_text_t<TF>::value, "type requirement");
static_assert(sqlpp::is_selectable_t<TF>::value, "type requirement");
static_assert(sqlpp::is_boolean_t<TT>::value, "type requirement");
static_assert(not sqlpp::is_numeric_t<TT>::value, "type requirement");
static_assert(not sqlpp::is_text_t<TT>::value, "type requirement");
}
// Test in with value list
{
using TI = decltype(t.alpha.in(sqlpp::value_list(std::vector<int>({1, 2, 3}))));
using TF = decltype(f.omega.in(sqlpp::value_list(std::vector<float>({1.0, 2.0, 3.0}))));
using TT = decltype(t.beta.in(sqlpp::value_list(std::vector<std::string>({"a", "b", "c"}))));
static_assert(sqlpp::is_selectable_t<TI>::value, "type requirement");
static_assert(sqlpp::is_boolean_t<TI>::value, "type requirement");
static_assert(not sqlpp::is_numeric_t<TI>::value, "type requirement");
static_assert(not sqlpp::is_text_t<TI>::value, "type requirement");
static_assert(sqlpp::is_selectable_t<TF>::value, "type requirement");
static_assert(sqlpp::is_boolean_t<TF>::value, "type requirement");
static_assert(not sqlpp::is_numeric_t<TF>::value, "type requirement");
static_assert(not sqlpp::is_text_t<TF>::value, "type requirement");
static_assert(sqlpp::is_selectable_t<TF>::value, "type requirement");
static_assert(sqlpp::is_boolean_t<TT>::value, "type requirement");
static_assert(not sqlpp::is_numeric_t<TT>::value, "type requirement");
static_assert(not sqlpp::is_text_t<TT>::value, "type requirement");
}
// Test not_in
{
using TI = decltype(t.alpha.not_in(1, 2, 3));
using TF = decltype(f.omega.not_in(1.0, 2.0, 3.0));
using TT = decltype(t.beta.not_in("a", "b", "c"));
static_assert(sqlpp::is_selectable_t<TI>::value, "type requirement");
static_assert(sqlpp::is_boolean_t<TI>::value, "type requirement");
static_assert(not sqlpp::is_numeric_t<TI>::value, "type requirement");
static_assert(not sqlpp::is_text_t<TI>::value, "type requirement");
static_assert(sqlpp::is_selectable_t<TF>::value, "type requirement");
static_assert(sqlpp::is_boolean_t<TF>::value, "type requirement");
static_assert(not sqlpp::is_numeric_t<TF>::value, "type requirement");
static_assert(not sqlpp::is_text_t<TF>::value, "type requirement");
static_assert(sqlpp::is_selectable_t<TT>::value, "type requirement");
static_assert(sqlpp::is_boolean_t<TT>::value, "type requirement");
static_assert(not sqlpp::is_numeric_t<TT>::value, "type requirement");
static_assert(not sqlpp::is_text_t<TT>::value, "type requirement");
}
// Test not in with value list
{
using TI = decltype(t.alpha.not_in(sqlpp::value_list(std::vector<int>({1, 2, 3}))));
using TF = decltype(f.omega.not_in(sqlpp::value_list(std::vector<float>({1.0, 2.0, 3.0}))));
using TT = decltype(t.beta.not_in(sqlpp::value_list(std::vector<std::string>({"a", "b", "c"}))));
static_assert(sqlpp::is_selectable_t<TI>::value, "type requirement");
static_assert(sqlpp::is_boolean_t<TI>::value, "type requirement");
static_assert(not sqlpp::is_numeric_t<TI>::value, "type requirement");
static_assert(not sqlpp::is_text_t<TI>::value, "type requirement");
static_assert(sqlpp::is_selectable_t<TF>::value, "type requirement");
static_assert(sqlpp::is_boolean_t<TF>::value, "type requirement");
static_assert(not sqlpp::is_numeric_t<TF>::value, "type requirement");
static_assert(not sqlpp::is_text_t<TF>::value, "type requirement");
static_assert(sqlpp::is_selectable_t<TF>::value, "type requirement");
static_assert(sqlpp::is_boolean_t<TT>::value, "type requirement");
static_assert(not sqlpp::is_numeric_t<TT>::value, "type requirement");
static_assert(not sqlpp::is_text_t<TT>::value, "type requirement");
}
// Test like
{
using TT = decltype(t.beta.like("%c%"));
static_assert(sqlpp::is_selectable_t<TT>::value, "type requirement");
static_assert(sqlpp::is_boolean_t<TT>::value, "type requirement");
static_assert(not sqlpp::is_numeric_t<TT>::value, "type requirement");
static_assert(not sqlpp::is_text_t<TT>::value, "type requirement");
}
// Test is_null
{
using TI = decltype(t.alpha.is_null());
using TF = decltype(f.omega.is_null());
using TT = decltype(t.beta.is_null());
using TTI = decltype(is_null(t.alpha));
using TTF = decltype(is_null(f.omega));
using TTT = decltype(is_null(t.beta));
static_assert(std::is_same<TI, TTI>::value, "type requirement");
static_assert(std::is_same<TF, TTF>::value, "type requirement");
static_assert(std::is_same<TT, TTT>::value, "type requirement");
static_assert(sqlpp::is_selectable_t<TI>::value, "type requirement");
static_assert(sqlpp::is_boolean_t<TI>::value, "type requirement");
static_assert(not sqlpp::is_numeric_t<TI>::value, "type requirement");
static_assert(not sqlpp::is_text_t<TI>::value, "type requirement");
static_assert(sqlpp::is_selectable_t<TF>::value, "type requirement");
static_assert(sqlpp::is_boolean_t<TF>::value, "type requirement");
static_assert(not sqlpp::is_numeric_t<TF>::value, "type requirement");
static_assert(not sqlpp::is_text_t<TF>::value, "type requirement");
static_assert(sqlpp::is_selectable_t<TT>::value, "type requirement");
static_assert(sqlpp::is_boolean_t<TT>::value, "type requirement");
static_assert(not sqlpp::is_numeric_t<TT>::value, "type requirement");
static_assert(not sqlpp::is_text_t<TT>::value, "type requirement");
}
// Test is_not_null
{
using TI = decltype(t.alpha.is_not_null());
using TF = decltype(f.omega.is_not_null());
using TT = decltype(t.beta.is_not_null());
using TTI = decltype(is_not_null(t.alpha));
using TTF = decltype(is_not_null(f.omega));
using TTT = decltype(is_not_null(t.beta));
static_assert(std::is_same<TI, TTI>::value, "type requirement");
static_assert(std::is_same<TF, TTF>::value, "type requirement");
static_assert(std::is_same<TT, TTT>::value, "type requirement");
static_assert(sqlpp::is_selectable_t<TI>::value, "type requirement");
static_assert(sqlpp::is_boolean_t<TI>::value, "type requirement");
static_assert(not sqlpp::is_numeric_t<TI>::value, "type requirement");
static_assert(not sqlpp::is_text_t<TI>::value, "type requirement");
static_assert(sqlpp::is_selectable_t<TF>::value, "type requirement");
static_assert(sqlpp::is_boolean_t<TF>::value, "type requirement");
static_assert(not sqlpp::is_numeric_t<TF>::value, "type requirement");
static_assert(not sqlpp::is_text_t<TF>::value, "type requirement");
static_assert(sqlpp::is_selectable_t<TT>::value, "type requirement");
static_assert(sqlpp::is_boolean_t<TT>::value, "type requirement");
static_assert(not sqlpp::is_numeric_t<TT>::value, "type requirement");
static_assert(not sqlpp::is_text_t<TT>::value, "type requirement");
}
// SUB_SELECT_FUNCTIONS
// --------------------
// Test exists
{
using TI = decltype(exists(select(t.alpha).from(t)));
using TT = decltype(exists(select(t.beta).from(t)));
static_assert(sqlpp::is_selectable_t<TI>::value, "type requirement");
static_assert(sqlpp::is_boolean_t<TI>::value, "type requirement");
static_assert(not sqlpp::is_numeric_t<TI>::value, "type requirement");
static_assert(not sqlpp::is_text_t<TI>::value, "type requirement");
static_assert(sqlpp::is_selectable_t<TT>::value, "type requirement");
static_assert(sqlpp::is_boolean_t<TT>::value, "type requirement");
static_assert(not sqlpp::is_numeric_t<TT>::value, "type requirement");
static_assert(not sqlpp::is_text_t<TT>::value, "type requirement");
}
// Test any
{
using S = decltype(select(t.alpha).from(t));
static_assert(sqlpp::is_numeric_t<S>::value, "type requirement");
using TI = decltype(any(select(t.alpha).from(t)));
using TT = decltype(any(select(t.beta).from(t)));
using TF = decltype(any(select(f.omega).from(f)));
static_assert(not sqlpp::is_selectable_t<TI>::value, "type requirement");
static_assert(sqlpp::is_multi_expression_t<TI>::value, "type requirement");
static_assert(sqlpp::is_numeric_t<TI>::value, "type requirement");
static_assert(sqlpp::is_integral_t<TI>::value, "type requirement");
static_assert(not sqlpp::is_text_t<TI>::value, "type requirement");
static_assert(not sqlpp::is_selectable_t<TF>::value, "type requirement");
static_assert(sqlpp::is_multi_expression_t<TF>::value, "type requirement");
static_assert(sqlpp::is_numeric_t<TF>::value, "tFpe requirement");
static_assert(sqlpp::is_floating_point_t<TF>::value, "type requirement");
static_assert(not sqlpp::is_text_t<TF>::value, "type requirement");
static_assert(not sqlpp::is_selectable_t<TT>::value, "type requirement");
static_assert(sqlpp::is_multi_expression_t<TT>::value, "type requirement");
static_assert(not sqlpp::is_numeric_t<TT>::value, "type requirement");
static_assert(not sqlpp::is_integral_t<TT>::value, "type requirement");
static_assert(not sqlpp::is_floating_point_t<TT>::value, "type requirement");
static_assert(sqlpp::is_text_t<TT>::value, "type requirement");
}
// Test some
{
using TI = decltype(some(select(t.alpha).from(t)));
using TT = decltype(some(select(t.beta).from(t)));
using TF = decltype(some(select(f.omega).from(f)));
static_assert(not sqlpp::is_selectable_t<TI>::value, "type requirement");
static_assert(sqlpp::is_multi_expression_t<TI>::value, "type requirement");
static_assert(sqlpp::is_numeric_t<TI>::value, "type requirement");
static_assert(sqlpp::is_integral_t<TI>::value, "type requirement");
static_assert(not sqlpp::is_text_t<TI>::value, "type requirement");
static_assert(sqlpp::is_numeric_t<TF>::value, "type requirement");
static_assert(not sqlpp::is_selectable_t<TF>::value, "type requirement");
static_assert(sqlpp::is_multi_expression_t<TF>::value, "type requirement");
static_assert(sqlpp::is_floating_point_t<TF>::value, "type requirement");
static_assert(not sqlpp::is_text_t<TF>::value, "type requirement");
static_assert(not sqlpp::is_numeric_t<TT>::value, "type requirement");
static_assert(not sqlpp::is_selectable_t<TT>::value, "type requirement");
static_assert(sqlpp::is_multi_expression_t<TT>::value, "type requirement");
static_assert(not sqlpp::is_integral_t<TT>::value, "type requirement");
static_assert(not sqlpp::is_floating_point_t<TT>::value, "type requirement");
static_assert(sqlpp::is_text_t<TT>::value, "type requirement");
}
// NUMERIC FUNCTIONS
// -----------------
// Test avg
{
using TI = decltype(avg(t.alpha));
using TF = decltype(avg(f.omega));
static_assert(sqlpp::is_selectable_t<TI>::value, "type requirement");
static_assert(sqlpp::is_numeric_t<TI>::value, "type requirement");
static_assert(not sqlpp::is_integral_t<TI>::value, "type requirement");
static_assert(sqlpp::is_floating_point_t<TI>::value, "type requirement");
static_assert(sqlpp::is_selectable_t<TF>::value, "type requirement");
static_assert(sqlpp::is_numeric_t<TF>::value, "type requirement");
static_assert(not sqlpp::is_integral_t<TF>::value, "type requirement");
static_assert(sqlpp::is_floating_point_t<TF>::value, "type requirement");
}
// Test count
{
using TI = decltype(count(t.alpha));
using TT = decltype(count(t.beta));
using TF = decltype(count(f.omega));
static_assert(sqlpp::is_selectable_t<TI>::value, "type requirement");
static_assert(sqlpp::is_numeric_t<TI>::value, "type requirement");
static_assert(sqlpp::is_integral_t<TI>::value, "type requirement");
static_assert(not sqlpp::is_floating_point_t<TI>::value, "type requirement");
static_assert(sqlpp::is_selectable_t<TF>::value, "type requirement");
static_assert(sqlpp::is_numeric_t<TF>::value, "type requirement");
static_assert(sqlpp::is_integral_t<TF>::value, "type requirement");
static_assert(not sqlpp::is_floating_point_t<TF>::value, "type requirement");
static_assert(sqlpp::is_selectable_t<TT>::value, "type requirement");
static_assert(sqlpp::is_numeric_t<TT>::value, "type requirement");
static_assert(sqlpp::is_integral_t<TT>::value, "type requirement");
static_assert(not sqlpp::is_floating_point_t<TT>::value, "type requirement");
}
// Test max
{
using TI = decltype(max(t.alpha));
using TF = decltype(max(f.omega));
using TT = decltype(max(t.beta));
static_assert(sqlpp::is_selectable_t<TI>::value, "type requirement");
static_assert(sqlpp::is_numeric_t<TI>::value, "type requirement");
static_assert(sqlpp::is_integral_t<TI>::value, "type requirement");
static_assert(not sqlpp::is_floating_point_t<TI>::value, "type requirement");
static_assert(sqlpp::is_selectable_t<TF>::value, "type requirement");
static_assert(sqlpp::is_numeric_t<TF>::value, "type requirement");
static_assert(not sqlpp::is_integral_t<TF>::value, "type requirement");
static_assert(sqlpp::is_floating_point_t<TF>::value, "type requirement");
static_assert(sqlpp::is_selectable_t<TT>::value, "type requirement");
static_assert(not sqlpp::is_numeric_t<TT>::value, "type requirement");
static_assert(sqlpp::is_text_t<TT>::value, "type requirement");
}
// Test min
{
using TI = decltype(min(t.alpha));
using TF = decltype(min(f.omega));
using TT = decltype(min(t.beta));
static_assert(sqlpp::is_selectable_t<TI>::value, "type requirement");
static_assert(sqlpp::is_numeric_t<TI>::value, "type requirement");
static_assert(sqlpp::is_integral_t<TI>::value, "type requirement");
static_assert(not sqlpp::is_floating_point_t<TI>::value, "type requirement");
static_assert(sqlpp::is_selectable_t<TF>::value, "type requirement");
static_assert(sqlpp::is_numeric_t<TF>::value, "type requirement");
static_assert(not sqlpp::is_integral_t<TF>::value, "type requirement");
static_assert(sqlpp::is_floating_point_t<TF>::value, "type requirement");
static_assert(sqlpp::is_selectable_t<TT>::value, "type requirement");
static_assert(not sqlpp::is_numeric_t<TT>::value, "type requirement");
static_assert(sqlpp::is_text_t<TT>::value, "type requirement");
}
// Test sum
{
using TI = decltype(sum(t.alpha));
using TF = decltype(sum(f.omega));
static_assert(sqlpp::is_selectable_t<TF>::value, "type requirement");
static_assert(sqlpp::is_numeric_t<TI>::value, "type requirement");
static_assert(sqlpp::is_integral_t<TI>::value, "type requirement");
static_assert(not sqlpp::is_floating_point_t<TI>::value, "type requirement");
static_assert(sqlpp::is_selectable_t<TF>::value, "type requirement");
static_assert(sqlpp::is_numeric_t<TF>::value, "type requirement");
static_assert(not sqlpp::is_integral_t<TF>::value, "type requirement");
static_assert(sqlpp::is_floating_point_t<TF>::value, "type requirement");
}
// MISC FUNCTIONS
// --------------
// test value
{
using TB = decltype(sqlpp::value(true));
using TI = decltype(sqlpp::value(7));
using TF = decltype(sqlpp::value(1.5));
using TT = decltype(sqlpp::value("cheesecake"));
static_assert(not sqlpp::is_selectable_t<TB>::value, "type requirement");
static_assert(sqlpp::is_boolean_t<TB>::value, "type requirement");
static_assert(not sqlpp::is_selectable_t<TB>::value, "type requirement");
static_assert(sqlpp::is_integral_t<TI>::value, "type requirement");
static_assert(not sqlpp::is_selectable_t<TI>::value, "type requirement");
static_assert(sqlpp::is_floating_point_t<TF>::value, "type requirement");
static_assert(not sqlpp::is_selectable_t<TT>::value, "type requirement");
static_assert(sqlpp::is_text_t<TT>::value, "type requirement");
}
// test flatten
{
using TB = decltype(flatten(t.gamma, db));
using TI = decltype(flatten(t.alpha, db));
using TF = decltype(flatten(f.omega, db));
using TT = decltype(flatten(t.beta, db));
static_assert(not sqlpp::is_selectable_t<TB>::value, "type requirement");
static_assert(sqlpp::is_boolean_t<TB>::value, "type requirement");
static_assert(not sqlpp::is_selectable_t<TB>::value, "type requirement");
static_assert(sqlpp::is_integral_t<TI>::value, "type requirement");
static_assert(not sqlpp::is_selectable_t<TI>::value, "type requirement");
static_assert(sqlpp::is_floating_point_t<TF>::value, "type requirement");
static_assert(not sqlpp::is_selectable_t<TT>::value, "type requirement");
static_assert(sqlpp::is_text_t<TT>::value, "type requirement");
}
// test value_or_null
{
using TB = decltype(sqlpp::value_or_null(true));
using TI = decltype(sqlpp::value_or_null(7));
using TF = decltype(sqlpp::value_or_null(5.6));
using TT = decltype(sqlpp::value_or_null("hallo"));
using TBN = decltype(sqlpp::value_or_null<sqlpp::boolean>(sqlpp::null));
using TIN = decltype(sqlpp::value_or_null<sqlpp::integral>(sqlpp::null));
using TFN = decltype(sqlpp::value_or_null<sqlpp::floating_point>(sqlpp::null));
using TTN = decltype(sqlpp::value_or_null<sqlpp::text>(sqlpp::null));
static_assert(std::is_same<TB, TBN>::value, "type_requirement");
static_assert(std::is_same<TI, TIN>::value, "type_requirement");
static_assert(std::is_same<TF, TFN>::value, "type_requirement");
static_assert(std::is_same<TT, TTN>::value, "type_requirement");
static_assert(not sqlpp::is_selectable_t<TB>::value, "type requirement");
static_assert(sqlpp::is_boolean_t<TB>::value, "type requirement");
static_assert(not sqlpp::is_selectable_t<TB>::value, "type requirement");
static_assert(sqlpp::is_integral_t<TI>::value, "type requirement");
static_assert(not sqlpp::is_selectable_t<TI>::value, "type requirement");
static_assert(sqlpp::is_floating_point_t<TF>::value, "type requirement");
static_assert(not sqlpp::is_selectable_t<TT>::value, "type requirement");
static_assert(sqlpp::is_text_t<TT>::value, "type requirement");
}
// test verbatim
{
using TB = decltype(sqlpp::verbatim<sqlpp::boolean>("1"));
using TI = decltype(sqlpp::verbatim<sqlpp::bigint>("42"));
using TF = decltype(sqlpp::verbatim<sqlpp::floating_point>("1.5"));
using TT = decltype(sqlpp::verbatim<sqlpp::text>("cheesecake"));
static_assert(not sqlpp::is_selectable_t<TB>::value, "type requirement");
static_assert(sqlpp::is_boolean_t<TB>::value, "type requirement");
static_assert(not sqlpp::is_selectable_t<TB>::value, "type requirement");
static_assert(sqlpp::is_integral_t<TI>::value, "type requirement");
static_assert(not sqlpp::is_selectable_t<TI>::value, "type requirement");
static_assert(sqlpp::is_floating_point_t<TF>::value, "type requirement");
static_assert(not sqlpp::is_selectable_t<TT>::value, "type requirement");
static_assert(sqlpp::is_text_t<TT>::value, "type requirement");
}
// test verbatim_table
{
using T = decltype(sqlpp::verbatim_table("cheesecake"));
static_assert(not sqlpp::is_selectable_t<T>::value, "type requirement");
static_assert(not sqlpp::is_expression_t<T>::value, "type requirement");
static_assert(sqlpp::is_table_t<T>::value, "type requirement");
}
// test verbatim_table alias
{
using T = decltype(sqlpp::verbatim_table("cheesecake").as(kaesekuchen));
static_assert(not sqlpp::is_selectable_t<T>::value, "type requirement");
static_assert(not sqlpp::is_expression_t<T>::value, "type requirement");
static_assert(sqlpp::is_table_t<T>::value, "type requirement");
static_assert(sqlpp::is_alias_t<T>::value, "type requirement");
}
// test tvin
{
static_assert(std::is_same<decltype(sqlpp::tvin(1)), sqlpp::tvin_arg_t<sqlpp::integral_operand>>::value, "integral values are accepted and wrapped") ;
static_assert(std::is_same<decltype(sqlpp::tvin(false)), sqlpp::tvin_arg_t<sqlpp::boolean_operand>>::value, "bool values are accepted and wrapped") ;
static_assert(std::is_same<decltype(sqlpp::tvin(0.17)), sqlpp::tvin_arg_t<sqlpp::floating_point_operand>>::value, "float values are accepted and wrapped") ;
static_assert(std::is_same<decltype(sqlpp::tvin("test")), sqlpp::tvin_arg_t<sqlpp::text_operand>>::value, "text values are accepted and wrapped") ;
for (const auto& row : db(select(all_of(t)).from(t).where(true)))
{
static_assert(std::is_same<decltype(sqlpp::tvin(row.alpha)), sqlpp::tvin_arg_t<decltype(row.alpha)>>::value, "result fields are accepted and not wrapped") ;
static_assert(std::is_same<decltype(sqlpp::tvin(row.beta)), sqlpp::tvin_arg_t<decltype(row.beta)>>::value, "result fields are accepted and not wrapped") ;
static_assert(std::is_same<decltype(sqlpp::tvin(row.gamma)), sqlpp::tvin_arg_t<decltype(row.gamma)>>::value, "result fields are accepted and not wrapped") ;
}
}
return 0;
}
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