common/inheritance/driver.cxx


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
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136

// file      : common/inheritance/driver.cxx
// author    : Boris Kolpackov <boris@codesynthesis.com>
// copyright : Copyright (c) 2009-2011 Code Synthesis Tools CC
// license   : GNU GPL v2; see accompanying LICENSE file

// Test object inheritance.
//

#include <memory>   // std::auto_ptr
#include <cassert>
#include <iostream>

#include <odb/database.hxx>
#include <odb/transaction.hxx>

#include <common/common.hxx>

#include "test.hxx"
#include "test-odb.hxx"

using namespace std;
using namespace odb::core;

int
main (int argc, char* argv[])
{
  try
  {
    auto_ptr<database> db (create_database (argc, argv));

    base b;
    b.comp_.num = 10;
    b.comp_.str = "comp bbb";
    b.comp_.nums.push_back (101);
    b.comp_.nums.push_back (102);
    b.num_ = 0;
    b.str_ = "bbb";
    b.strs_.push_back ("bbb one");
    b.strs_.push_back ("bbb two");

    object1 o1;
    o1.comp_.num = 11;
    o1.comp_.str = "comp o1o1o1";
    o1.comp_.nums.push_back (111);
    o1.comp_.nums.push_back (112);
    static_cast<base&> (o1).num_ = 1;
    o1.num1_ = 21;
    o1.str_ = "base o1o1o1";
    o1.strs_.push_back ("base o1o1o1 one");
    o1.strs_.push_back ("base o1o1o1 two");

    object2 o2;
    o2.comp_.num = 12;
    o2.comp_.str = "comp o2o2o2";
    o2.comp_.nums.push_back (121);
    o2.comp_.nums.push_back (122);
    o2.num_ = 2;
    static_cast<base&> (o2).str_ = "base o2o2o2";
    o2.str_ = "o2o2o2";
    o2.strs_.push_back ("base o2o2o2 one");
    o2.strs_.push_back ("base o2o2o2 two");

    reference r;
    r.o1_ = &o1;

    // persist
    //
    {
      transaction t (db->begin ());
      db->persist (b);
      db->persist (o1);
      db->persist (o2);
      db->persist (r);
      t.commit ();
    }

    // load & check
    //
    {
      transaction t (db->begin ());
      auto_ptr<base> lb (db->load<base> (b.id_));
      auto_ptr<object1> lo1 (db->load<object1> (o1.id_));
      auto_ptr<object2> lo2 (db->load<object2> (o2.id_));
      auto_ptr<reference> lr (db->load<reference> (r.id_));
      t.commit ();

      assert (b == *lb);
      assert (o1 == *lo1);
      assert (o2 == *lo2);
      assert (lr->o1_->id_ == r.o1_->id_);

      delete lr->o1_;
    }

    // query
    //
    {
      typedef odb::query<base> b_query;
      typedef odb::result<base> b_result;

      typedef odb::query<object1> o1_query;
      typedef odb::result<object1> o1_result;

      typedef odb::query<object2> o2_query;
      typedef odb::result<object2> o2_result;

      typedef odb::query<reference> r_query;
      typedef odb::result<reference> r_result;

      transaction t (db->begin ());

      assert (!db->query<base> (b_query::comp::num == 10).empty ());
      assert (!db->query<object1> (o1_query::num1 == 21).empty ());
      assert (!db->query<object2> (o2_query::num == 2).empty ());

      // Query condition with hidden members.
      //
      assert (!db->query<object2> (b_query::str == "base o2o2o2").empty ());

      // Query condition with referenced composite member in base class.
      //
      {
        r_result r (db->query<reference> (r_query::o1::comp::num == 11));
        assert (!r.empty ());
        delete r.begin ()->o1_;
      }

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