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mirror of https://github.com/rbock/sqlpp11.git synced 2024-11-16 04:47:18 +08:00

Add serialize tests for limit and offset

This commit is contained in:
Roland Bock 2024-09-29 11:28:32 +02:00
parent e3eb52a080
commit 040047e5ff
5 changed files with 120 additions and 7 deletions

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@ -73,16 +73,17 @@ namespace sqlpp
};
};
SQLPP_PORTABLE_STATIC_ASSERT(assert_limit_is_unsigned_integral,
"argument for limit() must be an unsigned integral expressions");
SQLPP_PORTABLE_STATIC_ASSERT(assert_limit_is_integral,
"argument for limit() must be an integral expressions");
template <typename T>
struct check_limit
{
#warning: document that limits can be integral (not just unsigned integral)
using type =
static_combined_check_t<static_check_t<is_unsigned_integral<T>::value, assert_limit_is_unsigned_integral>>;
static_combined_check_t<static_check_t<is_integral<T>::value, assert_limit_is_integral>>;
};
template <typename T>
using check_limit_t = typename check_limit<T>::type;
using check_limit_t = typename check_limit<remove_dynamic_t<T>>::type;
struct no_limit_t
{
@ -133,6 +134,16 @@ namespace sqlpp
return " LIMIT " + operand_to_sql_string(context, t._value);
}
template <typename Context, typename Limit>
auto to_sql_string(Context& context, const limit_data_t<dynamic_t<Limit>>& t) -> std::string
{
if (not t._value._condition)
{
return "";
}
return " LIMIT " + operand_to_sql_string(context, t._value._expr);
}
template <typename T>
auto limit(T&& t) -> decltype(statement_t<no_limit_t>().limit(std::forward<T>(t)))
{

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@ -72,16 +72,16 @@ namespace sqlpp
};
};
SQLPP_PORTABLE_STATIC_ASSERT(assert_offset_is_unsigned_integral,
SQLPP_PORTABLE_STATIC_ASSERT(assert_offset_is_integral,
"argument for offset() must be an integral expressions");
template <typename T>
struct check_offset
{
using type =
static_combined_check_t<static_check_t<is_unsigned_integral<T>::value, assert_offset_is_unsigned_integral>>;
static_combined_check_t<static_check_t<is_integral<T>::value, assert_offset_is_integral>>;
};
template <typename T>
using check_offset_t = typename check_offset<T>::type;
using check_offset_t = typename check_offset<remove_dynamic_t<T>>::type;
struct no_offset_t
{
@ -144,6 +144,16 @@ namespace sqlpp
return " OFFSET " + operand_to_sql_string(context, t._value);
}
template <typename Context, typename Offset>
auto to_sql_string(Context& context, const offset_data_t<dynamic_t<Offset>>& t) -> std::string
{
if (not t._value._condition)
{
return "";
}
return " OFFSET " + operand_to_sql_string(context, t._value._expr);
}
template <typename T>
auto offset(T&& t) -> decltype(statement_t<no_offset_t>().offset(std::forward<T>(t)))
{

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@ -36,6 +36,8 @@ create_test(insert)
create_test(insert_columns)
create_test(insert_default_values)
create_test(insert_set)
create_test(limit)
create_test(offset)
create_test(order_by)
create_test(select_columns)
create_test(select_flags)

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@ -0,0 +1,45 @@
/*
* 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;
// Without static limit.
SQLPP_COMPARE(sqlpp::limit(17), " LIMIT 17");
SQLPP_COMPARE(limit(val), " LIMIT 17");
SQLPP_COMPARE(limit(expr), " LIMIT (17 + 4)");
// With dynamic limit.
SQLPP_COMPARE(limit(dynamic(true, val)), " LIMIT 17");
SQLPP_COMPARE(limit(dynamic(false, val)), "");
return 0;
}

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@ -0,0 +1,45 @@
/*
* 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;
// Without static offset.
SQLPP_COMPARE(sqlpp::offset(17), " OFFSET 17");
SQLPP_COMPARE(offset(val), " OFFSET 17");
SQLPP_COMPARE(offset(expr), " OFFSET (17 + 4)");
// With dynamic offset.
SQLPP_COMPARE(offset(dynamic(true, val)), " OFFSET 17");
SQLPP_COMPARE(offset(dynamic(false, val)), "");
return 0;
}