[odb-users] incomplete types for query/result

[M at trixX]

Hello,
I'm trying to access DB with ODB by following the manual example 
(http://www.codesynthesis.com/products/odb/doc/manual.xhtml#2.5), but I've 
been unsuccesfull for days...
The load() function works, as expected, but when I try query, I allways got a 
lot of error messages from compiler about incomplete types result and query.
I don't know, what I'm doing wrong. Am I missing something?

my code (from file dbs1widget.cpp:

---

#include "dbs1widget.h"
#include <odb/core.hxx>
#include <odb/database.hxx>
#include <odb/transaction.hxx>
#include <odb/result.hxx>
#include <odb/mysql/database.hxx>

#include "vozidlo.h"
#include "vozidlo-odb.hxx"

...
...



void dbs1Widget::zobrazVozidla()
{

 typedef odb::query<vozidlo> query;
 typedef odb::result<vozidlo> result;

using namespace std;
using namespace odb::core;


try {
      transaction t (db->begin ());

      result r (db->query<vozidlo> (query::typ > 30));

      for (result::iterator i (r.begin ()); i != r.end (); ++i)
      {
      cout << "Hello, " << voz->TypVozidla() << "!" << endl;
      }

      t.commit ();
    }
  catch (const odb::exception& e)
  {
    cerr << e.what () << endl;
    //return 1;
  }
}

---

and errors from compiler:

---


/usr/libexec/odb/i686-linux-gnu/include/odb/query.hxx:104:10: instantiated 
from 'odb::query_selector<vozidlo, (odb::database_id)5u>'
/home/matrixx/skoal/dbs1/src/dbs1widget.cpp:49:28: instantiated from here
/usr/libexec/odb/i686-linux-gnu/include/odb/query.hxx:89:65: error: no type 
named 'query_base_type' in 'struct odb::object_traits_impl<vozidlo, 
(odb::database_id)5u>'
/home/matrixx/skoal/dbs1/src/dbs1widget.cpp:49:28: error: template argument 2 
is invalid
/home/matrixx/skoal/dbs1/src/dbs1widget.cpp:49:35: error: invalid type in 
declaration before ';' token
/home/matrixx/skoal/dbs1/src/dbs1widget.cpp:56:17: instantiated from here
/usr/libexec/odb/i686-linux-gnu/include/odb/result.hxx:75:9: error: invalid 
use of incomplete type 'struct odb::result_base<vozidlo, (odb::class_kind)
0u>'
/usr/libexec/odb/i686-linux-gnu/include/odb/result.hxx:53:9: error: 
declaration of 'struct odb::result_base<vozidlo, (odb::class_kind)0u>'
/home/matrixx/skoal/dbs1/src/dbs1widget.cpp:56:17: instantiated from here
/usr/libexec/odb/i686-linux-gnu/include/odb/result.hxx:82:39: error: invalid 
use of incomplete type 'struct odb::result_base<vozidlo, (odb::class_kind)
0u>'
/usr/libexec/odb/i686-linux-gnu/include/odb/result.hxx:53:9: error: 
declaration of 'struct odb::result_base<vozidlo, (odb::class_kind)0u>'
/usr/libexec/odb/i686-linux-gnu/include/odb/result.hxx:93:45: error: invalid 
use of incomplete type 'struct odb::result_base<vozidlo, (odb::class_kind)
0u>'
/usr/libexec/odb/i686-linux-gnu/include/odb/result.hxx:53:9: error: 
declaration of 'struct odb::result_base<vozidlo, (odb::class_kind)0u>'
/usr/libexec/odb/i686-linux-gnu/include/odb/result.hxx:101:5: error: invalid 
use of incomplete type 'struct odb::result_base<vozidlo, (odb::class_kind)
0u>'
/usr/libexec/odb/i686-linux-gnu/include/odb/result.hxx:53:9: error: 
declaration of 'struct odb::result_base<vozidlo, (odb::class_kind)0u>'
/usr/libexec/odb/i686-linux-gnu/include/odb/result.hxx:215:43: error: invalid 
use of incomplete type 'struct odb::result_base<vozidlo, (odb::class_kind)
0u>'
/usr/libexec/odb/i686-linux-gnu/include/odb/result.hxx:53:9: error: 
declaration of 'struct odb::result_base<vozidlo, (odb::class_kind)0u>'
/home/matrixx/skoal/dbs1/src/dbs1widget.cpp:56:37: error: 'query' is not a 
class or namespace
/home/matrixx/skoal/dbs1/src/dbs1widget.cpp:58:32: error: 
variable 'odb::result<vozidlo>::iterator i' has initializer but incomplete 
type
/home/matrixx/skoal/dbs1/src/dbs1widget.cpp:58:41: error: invalid use of 
incomplete type 'odb::result<vozidlo>::iterator {aka struct 
odb::result_iterator<vozidlo, (odb::class_kind)0u>}'
/usr/libexec/odb/i686-linux-gnu/include/odb/result.hxx:56:9: error: 
declaration of 'odb::result<vozidlo>::iterator {aka struct 
odb::result_iterator<vozidlo, (odb::class_kind)0u>}'
/home/matrixx/skoal/dbs1/src/dbs1widget.cpp:58:57: error: invalid use of 
incomplete type 'odb::result<vozidlo>::iterator {aka struct 
odb::result_iterator<vozidlo, (odb::class_kind)0u>}'
/usr/libexec/odb/i686-linux-gnu/include/odb/result.hxx:56:9: error: 
declaration of 'odb::result<vozidlo>::iterator {aka struct 
odb::result_iterator<vozidlo, (odb::class_kind)0u>}'
/home/matrixx/skoal/dbs1/src/dbs1widget.cpp:58:41: instantiated from here
/usr/libexec/odb/i686-linux-gnu/include/odb/result.hxx:167:5: error: return 
type 'odb::result<vozidlo>::iterator {aka struct 
odb::result_iterator<vozidlo, (odb::class_kind)0u>}' is incomplete
/usr/libexec/odb/i686-linux-gnu/include/odb/result.hxx:169:7: error: using 
invalid field 'odb::result<T>::impl_'
/usr/libexec/odb/i686-linux-gnu/include/odb/result.hxx:170:9: error: using 
invalid field 'odb::result<T>::impl_'
/usr/libexec/odb/i686-linux-gnu/include/odb/result.hxx:172:36: error: using 
invalid field 'odb::result<T>::impl_'
/usr/libexec/odb/i686-linux-gnu/include/odb/result.hxx:172:36: error: invalid 
use of incomplete type 'odb::result<vozidlo>::iterator {aka struct 
odb::result_iterator<vozidlo, (odb::class_kind)0u>}'
/usr/libexec/odb/i686-linux-gnu/include/odb/result.hxx:56:9: error: 
declaration of 'odb::result<vozidlo>::iterator {aka struct 
odb::result_iterator<vozidlo, (odb::class_kind)0u>}'
/home/matrixx/skoal/dbs1/src/dbs1widget.cpp:58:57: instantiated from here
/usr/libexec/odb/i686-linux-gnu/include/odb/result.hxx:176:5: error: return 
type 'odb::result<vozidlo>::iterator {aka struct 
odb::result_iterator<vozidlo, (odb::class_kind)0u>}' is incomplete
/usr/libexec/odb/i686-linux-gnu/include/odb/result.hxx:178:24: error: invalid 
use of incomplete type 'odb::result<vozidlo>::iterator {aka struct 
odb::result_iterator<vozidlo, (odb::class_kind)0u>}'
/usr/libexec/odb/i686-linux-gnu/include/odb/result.hxx:56:9: error: 
declaration of 'odb::result<vozidlo>::iterator {aka struct 
odb::result_iterator<vozidlo, (odb::class_kind)0u>}'



---


What are those "(odb::database_id)5u", "(odb::class_kind)0u" ?

Am I forgetting to include something? Or what Am I doing wrong?
I'll appreciate any hints for this.