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
|
/*
* sqlite3xx - sqlite3 C++ layer, following the ideas of libpqxx
* Copyright (C) 2009 Andreas Baumann
*
* This copyrighted material is made available to anyone wishing to use,
* modify, copy, or redistribute it subject to the terms and conditions of
* the GNU Lesser General Public License, as published by the Free Software
* Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this distribution; if not, write to:
* Free Software Foundation, Inc.
* 51 Franklin Street, Fifth Floor
* Boston, MA 02110-1301 USA
*
*/
#include "sqlite3xx/prepared_statement.hpp"
#include <sstream>
#include <cstdlib>
#include <cassert>
#include <cstring>
#include "sqlite3xx/except.hpp"
#include "sqlite3xx/connection.hpp"
#include "port/unused.h"
namespace sqlite3xx {
/* declaration */
prepare::declaration::declaration( connection& c, const string& stmt ) :
_c( c ),
_stmt( stmt ) {
}
const prepare::declaration&
prepare::declaration::operator( )( const string& sql_type, param_treatment treat ) const {
_c.prepare_param_declare( _stmt, sql_type, treat );
return *this;
}
/* invocation */
prepare::invocation::invocation( connection& c, transaction& t, const string& stmt ) :
_c( c ),
_t( t ),
_stmt( stmt ) {
_c.prepared_reset( _stmt );
_pos = 0;
}
result prepare::invocation::exec( ) const {
return _c.prepared_exec( _stmt );
}
prepare::invocation& prepare::invocation::setparam( const int& value, bool nonnull ) {
SQLITEXX_UNUSED( nonnull );
_pos++;
_c.prepare_setparam( _stmt, _pos, value );
return *this;
}
prepare::invocation& prepare::invocation::setparam( const unsigned int& value, bool nonnull ) {
SQLITEXX_UNUSED( nonnull );
_pos++;
_c.prepare_setparam( _stmt, _pos, value );
return *this;
}
prepare::invocation& prepare::invocation::setparam( const char* value, bool nonnull ) {
SQLITEXX_UNUSED( nonnull );
_pos++;
_c.prepare_setparam( _stmt, _pos, value );
return *this;
}
prepare::invocation& prepare::invocation::setparam( const string& value, bool nonnull ) {
SQLITEXX_UNUSED( nonnull );
_pos++;
_c.prepare_setparam( _stmt, _pos, value.c_str( ) );
return *this;
}
prepare::invocation& prepare::invocation::setparam( const double& value, bool nonnull ) {
SQLITEXX_UNUSED( nonnull );
_pos++;
_c.prepare_setparam( _stmt, _pos, value );
return *this;
}
prepare::invocation& prepare::invocation::setparam( const long& value, bool nonnull ) {
SQLITEXX_UNUSED( nonnull );
_pos++;
_c.prepare_setparam( _stmt, _pos, value );
return *this;
}
prepare::invocation& prepare::invocation::setparam( const uintmax_t& value, bool nonnull ) {
SQLITEXX_UNUSED( nonnull );
_pos++;
_c.prepare_setparam( _stmt, _pos, value );
return *this;
}
/* prepared statement */
prepared_stmt::prepared_stmt( sqlite3 *db, string __sql ) :
_db( db ) {
int rc;
const char *tail;
_sql = __sql;
#if SQLITE_VERSION_NUMBER >= 3005000
rc = sqlite3_prepare_v2( db, _sql.c_str( ), -1, &_stmt, &tail );
#else
rc = sqlite3_prepare( db, _sql.c_str( ), -1, &_stmt, &tail );
#endif
switch( rc ) {
case SQLITE_OK:
break;
case SQLITE_BUSY:
throw database_locked( "locked in prepared statement" );
default:
{
ostringstream s;
s << "sqlite3::prepared_stmt::prepared_stmt error: " << sqlite3_errmsg( _db );
string msg = s.str( );
throw sql_error( msg, _sql );
}
}
}
prepared_stmt::~prepared_stmt( ) {
assert( _stmt != NULL );
if( false /* TODO: access to _c.trace( ) */ ) cout << "TRACE: finalizing prepared statement '" << _sql << "'" << endl;
sqlite3_finalize( _stmt );
_stmt = NULL;
}
string prepared_stmt::sql( ) {
return _sql;
}
void prepared_stmt::addparam( const string& sqltype, prepare::param_treatment& treatment ) {
parameters.push_back( param( sqltype, treatment ) );
}
void prepared_stmt::reset( ) {
int rc;
assert( _stmt != NULL );
rc = sqlite3_reset( _stmt );
switch( rc ) {
case SQLITE_OK:
break;
case SQLITE_BUSY:
throw database_locked( "database locked in reset" );
default:
{
ostringstream s;
s << "sqlite3::prepared_stmt::reset error: " << sqlite3_errmsg( _db );
string msg = s.str( );
throw sql_error( msg, _sql );
}
}
}
void prepared_stmt::setparam( const int pos, const int v ) {
int rc;
assert( _stmt != NULL );
rc = sqlite3_bind_int( _stmt, pos, v );
if( rc != SQLITE_OK ) {
ostringstream s;
s << "sqlite3::prepared_stmt::setparam bind error: "
<< sqlite3_errmsg( _db ) << " (rc: " << rc << ")";
string msg = s.str( );
throw sql_error( msg, _sql );
}
}
void prepared_stmt::setparam( const int pos, const unsigned int v ) {
int rc;
assert( _stmt != NULL );
rc = sqlite3_bind_int( _stmt, pos, v );
if( rc != SQLITE_OK ) {
ostringstream s;
s << "sqlite3::prepared_stmt::setparam bind error: "
<< sqlite3_errmsg( _db ) << " (rc: " << rc << ")";
string msg = s.str( );
throw sql_error( msg, _sql );
}
}
void prepared_stmt::setparam( const int pos, const char* v ) {
int rc;
assert( _stmt != NULL );
rc = sqlite3_bind_text( _stmt, pos, v, strlen( v ), SQLITE_STATIC );
if( rc != SQLITE_OK ) {
ostringstream s;
s << "sqlite3::prepared_stmt::setparam bind error: "
<< sqlite3_errmsg( _db ) << " (rc: " << rc << ")";
string msg = s.str( );
throw sql_error( msg, _sql );
}
}
void prepared_stmt::setparam( const int pos, const double v ) {
int rc;
assert( _stmt != NULL );
rc = sqlite3_bind_double( _stmt, pos, v );
if( rc != SQLITE_OK ) {
ostringstream s;
s << "sqlite3::prepared_stmt::setparam bind error: "
<< sqlite3_errmsg( _db ) << " (rc: " << rc << ")";
string msg = s.str( );
throw sql_error( msg, _sql );
}
}
void prepared_stmt::setparam( const int pos, const long v ) {
int rc;
assert( _stmt != NULL );
rc = sqlite3_bind_int64( _stmt, pos, v );
if( rc != SQLITE_OK ) {
ostringstream s;
s << "sqlite3::prepared_stmt::setparam bind error: "
<< sqlite3_errmsg( _db ) << " (rc: " << rc << ")";
string msg = s.str( );
throw sql_error( msg, _sql );
}
}
void prepared_stmt::setparam( const int pos, const uintmax_t v ) {
int rc;
assert( _stmt != NULL );
rc = sqlite3_bind_int64( _stmt, pos, v );
if( rc != SQLITE_OK ) {
ostringstream s;
s << "sqlite3::prepared_stmt::setparam bind error: "
<< sqlite3_errmsg( _db ) << " (rc: " << rc << ")";
string msg = s.str( );
throw sql_error( msg, _sql );
}
}
sqlite3_stmt* prepared_stmt::getStmt( ) const {
return _stmt;
}
} /* namespace sqlite3xx */
|
