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// file : odb/mysql/result.txx
// author : Boris Kolpackov <boris@codesynthesis.com>
// copyright : Copyright (c) 2009-2010 Code Synthesis Tools CC
// license : GNU GPL v2; see accompanying LICENSE file
namespace odb
{
namespace mysql
{
template <typename T>
result_impl<T>::
~result_impl ()
{
}
template <typename T>
result_impl<T>::
result_impl (shared_ptr<query_statement> statement,
object_statements<T>& statements)
: statement_ (statement), statements_ (statements)
{
next ();
}
template <typename T>
void result_impl<T>::
current ()
{
if (!this->end_)
{
pointer_type p (traits::create ());
current (p);
traits::init (pointer_traits::get_ref (p), statements_.image ());
}
}
template <typename T>
void result_impl<T>::
current (T& x)
{
if (!this->end_)
traits::init (x, statements_.image ());
}
template <typename T>
void result_impl<T>::
next ()
{
this->current (pointer_type ());
query_statement::result r (statement_->fetch ());
switch (r)
{
case query_statement::truncated:
{
typename traits::image_type& i (statements_.image ());
if (traits::grow (i, statements_.image_error ()))
{
traits::bind (statements_.image_binding (), i);
statement_->refetch ();
}
// Fall throught.
}
case query_statement::success:
{
break;
}
case query_statement::no_data:
{
this->end_ = true;
break;
}
}
}
}
}
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