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
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
|
// file : evolution/embedded/driver.cxx
// copyright : Copyright (c) 2009-2017 Code Synthesis Tools CC
// license : GNU GPL v2; see accompanying LICENSE file
// Test embedded schema migration.
//
#include <memory> // std::auto_ptr
#include <cassert>
#include <iostream>
#include <odb/database.hxx>
#include <odb/transaction.hxx>
#include <odb/schema-catalog.hxx>
#include <common/config.hxx> // DATABASE_XXX
#include <common/common.hxx>
#ifdef DATABASE_PGSQL
# include <odb/pgsql/connection.hxx>
#endif
#include "test2.hxx"
#include "test3.hxx"
#include "test2-odb.hxx"
#include "test3-odb.hxx"
using namespace std;
using namespace odb::core;
int
main (int argc, char* argv[])
{
try
{
auto_ptr<database> db (create_database (argc, argv, false));
// 1 - base version
// 2 - migration
// 3 - current version
//
unsigned short pass (*argv[argc - 1] - '0');
switch (pass)
{
case 1:
{
using namespace v2;
{
transaction t (db->begin ());
schema_catalog::drop_schema (*db);
t.commit ();
}
// PostgreSQL cannot continue a transaction after a query failed. We
// have a workaround but only for 9.4+.
//
#ifdef DATABASE_PGSQL
{
odb::connection_ptr c (db->connection ());
int v (static_cast<odb::pgsql::connection&> (*c).server_version ());
if (v < 90400)
assert (db->schema_version () == 0);
}
#endif
{
transaction t (db->begin ());
assert (db->schema_version () == 0);
schema_catalog::create_schema (*db, "", false);
assert (db->schema_version () == 1 && !db->schema_migration ());
schema_catalog::migrate_schema (*db, 2);
t.commit ();
}
assert (db->schema_version () == 2 && !db->schema_migration ());
{
transaction t (db->begin ());
object1 o1 (1);
o1.num = 123;
db->persist (o1);
t.commit ();
}
break;
}
case 2:
{
using namespace v2;
using namespace v3;
// Check version information correctness.
//
assert (schema_catalog::base_version (*db) == 1);
assert (schema_catalog::current_version (*db) == 3);
assert (schema_catalog::next_version (*db, 0) == 3);
assert (schema_catalog::next_version (*db, 1) == 2);
assert (schema_catalog::next_version (*db) == 3);
assert (schema_catalog::next_version (*db, 3) == 4);
{
assert (db->schema_version () == 2 && !db->schema_migration ());
transaction t (db->begin ());
schema_catalog::migrate_schema_pre (*db, 3);
t.commit ();
}
assert (db->schema_version () == 3 && db->schema_migration ());
{
transaction t (db->begin ());
auto_ptr<object1> o1 (db->load<object1> (1));
object2 o2 (1);
o2.num = o1->num;
db->persist (o2);
t.commit ();
}
{
transaction t (db->begin ());
schema_catalog::migrate_schema_post (*db, 3);
t.commit ();
assert (db->schema_version () == 3 && !db->schema_migration ());
}
break;
}
case 3:
{
using namespace v3;
// In transaction.
//
{
transaction t (db->begin ());
assert (db->schema_version () == 3 && !db->schema_migration ());
t.commit ();
}
{
transaction t (db->begin ());
auto_ptr<object2> o2 (db->load<object2> (1));
assert (o2->num == 123);
t.commit ();
}
// Test the case where there is still no version table.
//
db->schema_version_migration (0, false);
{
transaction t (db->begin ());
#ifdef DATABASE_ORACLE
db->execute ("DROP TABLE \"schema_version\"");
#else
db->execute ("DROP TABLE schema_version");
#endif
t.commit ();
}
assert (db->schema_version () == 0);
break;
}
default:
{
cerr << "unknown pass number '" << argv[argc - 1] << "'" << endl;
return 1;
}
}
}
catch (const odb::exception& e)
{
cerr << e.what () << endl;
return 1;
}
}
|
