1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
|
// file : odb/oracle/section-statements.txx
// license : ODB NCUEL; see accompanying LICENSE file
#include <cstring> // std::memset
namespace odb
{
namespace oracle
{
template <typename T, typename ST>
section_statements<T, ST>::
section_statements (connection_type& conn,
image_type& im, id_image_type&,
binding& id, binding& idv)
: conn_ (conn),
svm_ (0),
image_ (im),
id_binding_ (id),
idv_binding_ (idv),
select_image_binding_ (select_image_bind_,
select_column_count +
managed_optimistic_load_column_count),
update_image_binding_ (update_image_bind_,
update_column_count + id_column_count +
managed_optimistic_update_column_count)
{
select_image_version_ = 0;
update_image_version_ = 0;
update_id_binding_version_ = 0;
// If we are using optimistic concurrency, then the select statement
// will override the version member in the object image.
//
if (managed_optimistic_load_column_count != 0)
{
// Getting to the root image in polymorphic case is tricky.
//
typedef object_traits_impl<T, id_oracle> object_traits;
select_image_binding_.change_callback =
root_image<object_traits, object_traits::polymorphic>::get (
image_).change_callback ();
}
std::memset (select_image_bind_, 0, sizeof (select_image_bind_));
std::memset (update_image_bind_, 0, sizeof (update_image_bind_));
}
}
}
|