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Add serialize tests for WHERE

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This commit is contained in:
Roland Bock 2024-09-23 06:48:43 +02:00
parent 1dfffdb851
commit 38fca31790
3 changed files with 65 additions and 6 deletions
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19
include/sqlpp11/core/clause/where.h
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@ -131,10 +131,7 @@ namespace sqlpp
};
template <typename Expression>
using check_where_t = typename check_where<Expression>::type;
template <typename Expression>
using check_where_static_t = check_where_t<Expression>;
using check_where_t = typename check_where<remove_dynamic_t<Expression>>::type;
// NO WHERE YET
template <bool WhereRequired>
@ -170,9 +167,9 @@ namespace sqlpp
template <typename Expression>
auto where(Expression expression) const
-> _new_statement_t<check_where_static_t<Expression>, where_t<Expression>>
-> _new_statement_t<check_where_t<Expression>, where_t<Expression>>
{
using Check = check_where_static_t<Expression>;
using Check = check_where_t<Expression>;
return _where_impl(Check{}, expression);
}
@ -197,6 +194,16 @@ namespace sqlpp
return " WHERE " + to_sql_string(context, t._expression);
}
template <typename Context, typename Expression>
auto to_sql_string(Context& context, const where_data_t<dynamic_t<Expression>>& t) -> std::string
{
if (t._expression._condition)
{
return " WHERE " + to_sql_string(context, t._expression._expr);
}
return "";
}
template <typename Context>
auto to_sql_string(Context& , const where_data_t<unconditional_t>&) -> std::string
{

1
tests/core/serialize/clause/CMakeLists.txt
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@ -38,4 +38,5 @@ create_test(insert_set)
create_test(select_columns)
create_test(select_flags)
create_test(update_set)
create_test(where)

51
tests/core/serialize/clause/where.cpp Normal file
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@ -0,0 +1,51 @@
/*
* Copyright (c) 2024, 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 "../compare.h"
#include <sqlpp11/sqlpp11.h>
int main(int, char* [])
{
const auto val = sqlpp::value(17);
const auto expr = sqlpp::value(17) + 4;
const auto foo = test::TabFoo{};
// Without condition.
SQLPP_COMPARE(sqlpp::unconditionally(), "");
SQLPP_COMPARE(sqlpp::where(true), " WHERE 1");
// Whith static condition.
SQLPP_COMPARE(sqlpp::where(foo.boolN), " WHERE tab_foo.bool_n");
SQLPP_COMPARE(sqlpp::where(foo.boolN.is_not_distinct_from(true)), " WHERE tab_foo.bool_n IS NOT DISTINCT FROM 1");
SQLPP_COMPARE(sqlpp::where(foo.id > 17), " WHERE tab_foo.id > 17");
// With dynamic condition.
SQLPP_COMPARE(sqlpp::where(dynamic(true, foo.id > 17)), " WHERE tab_foo.id > 17");
SQLPP_COMPARE(sqlpp::where(dynamic(false, foo.id > 17)), "");
return 0;
}