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
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
|
// file : odb/relational/mssql/header.cxx
// copyright : Copyright (c) 2009-2013 Code Synthesis Tools CC
// license : GNU GPL v3; see accompanying LICENSE file
#include <odb/relational/header.hxx>
#include <odb/relational/mssql/common.hxx>
#include <odb/relational/mssql/context.hxx>
namespace relational
{
namespace mssql
{
namespace header
{
namespace relational = relational::header;
struct class1: relational::class1, context
{
class1 (base const& x): base (x) {}
virtual void
object_public_extra_pre (type& c)
{
bool abst (abstract (c));
type* poly_root (polymorphic (c));
bool poly (poly_root != 0);
bool poly_derived (poly && poly_root != &c);
if (poly_derived || (abst && !poly))
return;
// rowvesion
//
bool rv (false);
if (semantics::data_member* m = optimistic (c))
{
sql_type t (parse_sql_type (column_type (*m), *m));
rv = (t.type == sql_type::ROWVERSION);
}
os << "static const bool rowversion = " << rv << ";"
<< endl;
}
};
entry<class1> class1_entry_;
struct section_traits: relational::section_traits, context
{
section_traits (base const& x): base (x) {}
virtual void
section_public_extra_pre (user_section&)
{
if (abstract (c_) && !polymorphic (c_))
return;
// rowvesion
//
bool rv (false);
if (semantics::data_member* m = optimistic (c_))
{
sql_type t (parse_sql_type (column_type (*m), *m));
rv = (t.type == sql_type::ROWVERSION);
}
os << "static const bool rowversion = " << rv << ";"
<< endl;
}
};
entry<section_traits> section_traits_;
struct image_type: relational::image_type, context
{
image_type (base const& x): base (x) {};
virtual void
image_extra (type& c)
{
if (!(composite (c) || (abstract (c) && !polymorphic (c))))
{
type* poly_root (polymorphic (c));
// If this is a polymorphic type, only add callback to the root.
//
if (poly_root == 0 || poly_root == &c)
{
bool gc (options.generate_query ());
if (gc)
os << "mssql::change_callback change_callback_;"
<< endl;
os << "mssql::change_callback*" << endl
<< "change_callback ()"
<< "{";
if (gc)
os << "return &change_callback_;";
else
os << "return 0;";
os << "}";
}
}
}
};
entry<image_type> image_type_;
struct image_member: relational::image_member, member_base
{
image_member (base const& x)
: member_base::base (x), // virtual base
base (x),
member_base (x),
member_image_type_ (base::type_override_,
base::fq_type_override_,
base::key_prefix_)
{
}
virtual bool
pre (member_info& mi)
{
if (container (mi))
return false;
image_type = member_image_type_.image_type (mi.m);
if (var_override_.empty ())
os << "// " << mi.m.name () << endl
<< "//" << endl;
return true;
}
virtual void
traverse_composite (member_info& mi)
{
os << image_type << " " << mi.var << "value;"
<< endl;
}
virtual void
traverse_integer (member_info& mi)
{
os << image_type << " " << mi.var << "value;"
<< "SQLLEN " << mi.var << "size_ind;"
<< endl;
}
virtual void
traverse_decimal (member_info& mi)
{
os << image_type << " " << mi.var << "value;"
<< "SQLLEN " << mi.var << "size_ind;"
<< endl;
}
virtual void
traverse_smallmoney (member_info& mi)
{
os << image_type << " " << mi.var << "value;"
<< "SQLLEN " << mi.var << "size_ind;"
<< endl;
}
virtual void
traverse_money (member_info& mi)
{
os << image_type << " " << mi.var << "value;"
<< "SQLLEN " << mi.var << "size_ind;"
<< endl;
}
virtual void
traverse_float4 (member_info& mi)
{
os << image_type << " " << mi.var << "value;"
<< "SQLLEN " << mi.var << "size_ind;"
<< endl;
}
virtual void
traverse_float8 (member_info& mi)
{
os << image_type << " " << mi.var << "value;"
<< "SQLLEN " << mi.var << "size_ind;"
<< endl;
}
virtual void
traverse_string (member_info& mi)
{
// Extra character for the null-terminator that ODBC always adds.
//
os << "char " << mi.var << "value[" << mi.st->prec + 1 << "];"
<< "SQLLEN " << mi.var << "size_ind;"
<< endl;
}
virtual void
traverse_long_string (member_info& mi)
{
os << "mutable " << image_type << " " << mi.var << "callback;"
<< "SQLLEN " << mi.var << "size_ind;"
<< endl;
}
virtual void
traverse_nstring (member_info& mi)
{
// Extra character for the null-terminator that ODBC always adds.
//
os << "mssql::ucs2_char " << mi.var << "value[" <<
mi.st->prec + 1 << "];"
<< "SQLLEN " << mi.var << "size_ind;"
<< endl;
}
virtual void
traverse_long_nstring (member_info& mi)
{
os << "mutable " << image_type << " " << mi.var << "callback;"
<< "SQLLEN " << mi.var << "size_ind;"
<< endl;
}
virtual void
traverse_binary (member_info& mi)
{
os << "char " << mi.var << "value[" << mi.st->prec << "];"
<< "SQLLEN " << mi.var << "size_ind;"
<< endl;
}
virtual void
traverse_long_binary (member_info& mi)
{
os << "mutable " << image_type << " " << mi.var << "callback;"
<< "SQLLEN " << mi.var << "size_ind;"
<< endl;
}
virtual void
traverse_date (member_info& mi)
{
os << image_type << " " << mi.var << "value;"
<< "SQLLEN " << mi.var << "size_ind;"
<< endl;
}
virtual void
traverse_time (member_info& mi)
{
os << image_type << " " << mi.var << "value;"
<< "SQLLEN " << mi.var << "size_ind;"
<< endl;
}
virtual void
traverse_datetime (member_info& mi)
{
os << image_type << " " << mi.var << "value;"
<< "SQLLEN " << mi.var << "size_ind;"
<< endl;
}
virtual void
traverse_datetimeoffset (member_info& mi)
{
os << image_type << " " << mi.var << "value;"
<< "SQLLEN " << mi.var << "size_ind;"
<< endl;
}
virtual void
traverse_uniqueidentifier (member_info& mi)
{
os << image_type << " " << mi.var << "value;"
<< "SQLLEN " << mi.var << "size_ind;"
<< endl;
}
virtual void
traverse_rowversion (member_info& mi)
{
os << "unsigned char " << mi.var << "value[8];"
<< "SQLLEN " << mi.var << "size_ind;"
<< endl;
}
private:
string image_type;
member_image_type member_image_type_;
};
entry<image_member> image_member_;
}
}
}
|