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Eliminated bad_statement

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Using wrapped static asserts now as return types
This commit is contained in:
rbock 2016-09-01 22:31:53 +02:00
parent 39dec1ea39
commit 407718a8a4
2 changed files with 5 additions and 46 deletions
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43
include/sqlpp11/bad_statement.h
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@ -1,43 +0,0 @@
/*
* 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.
*/
#ifndef SQLPP_BAD_STATEMENT_H
#define SQLPP_BAD_STATEMENT_H
namespace sqlpp
{
struct bad_statement
{
static constexpr bool value = false;
template <typename... T>
bad_statement(T&&...)
{
}
};
}
#endif

8
include/sqlpp11/result_field_base.h
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@ -28,7 +28,6 @@
#define SQLPP_RESULT_FIELD_BASE_H
#include <sqlpp11/alias_operators.h>
#include <sqlpp11/bad_statement.h>
#include <sqlpp11/basic_expression_operators.h>
#include <sqlpp11/exception.h>
#include <sqlpp11/result_field.h>
@ -37,6 +36,8 @@
namespace sqlpp
{
SQLPP_PORTABLE_STATIC_ASSERT(assert_result_field_value_is_safe_t, "result field value needs to be checked for NULL");
template <typename Db, typename FieldSpec, typename StorageType = typename value_type_of<FieldSpec>::_cpp_value_type>
struct result_field_base
{
@ -117,8 +118,9 @@ namespace sqlpp
return _value;
}
operator typename std::conditional<_null_is_trivial or (not _can_be_null::value), _cpp_value_type, bad_statement>::
type() const
operator typename std::conditional<_null_is_trivial or (not _can_be_null::value),
_cpp_value_type,
assert_result_field_value_is_safe_t>::type() const
{
return value();
}