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
|
#include <stdlib.h>
#include "osqlresult.h"
#include "osqlquery.h"
#include "osqlitedriver.h"
namespace {
struct Query {
OSQLError::ValueList errors;
OSQLResultItem::ValueList items;
OSQLiteDriver *driver;
};
}
OSQLiteDriver::OSQLiteDriver( QLibrary *lib )
: OSQLDriver( lib )
{
m_sqlite = 0l;
}
OSQLiteDriver::~OSQLiteDriver() {
close();
}
QString OSQLiteDriver::id()const {
return QString::fromLatin1("SQLite");
}
void OSQLiteDriver::setUserName( const QString& ) {}
void OSQLiteDriver::setPassword( const QString& ) {}
void OSQLiteDriver::setUrl( const QString& url ) {
m_url = url;
}
void OSQLiteDriver::setOptions( const QStringList& ) {
}
/*
* try to open a db specified via setUrl
* and options
*/
bool OSQLiteDriver::open() {
char *error;
qWarning("about to open");
m_sqlite = sqlite_open(m_url.local8Bit(),
0,
&error );
/* failed to open */
if (m_sqlite == 0l ) {
// FIXME set the last error
qWarning("error:%s", error );
free( error );
return false;
}
return true;
}
/* close the db
* sqlite closes them without
* telling failure or success
*/
bool OSQLiteDriver::close() {
if (m_sqlite )
sqlite_close( m_sqlite ), m_sqlite=0l;
return true;
}
/* Query */
OSQLResult OSQLiteDriver::query( OSQLQuery* qu) {
if ( !m_sqlite ) {
// FIXME set error code
OSQLResult result( OSQLResult::Failure );
return result;
}
Query query;
query.driver = this;
char *err;
/* SQLITE_OK 0 if return code > 0 == failure */
if ( sqlite_exec(m_sqlite, qu->query(),&call_back, &query, &err) > 0 ) {
qWarning("Error while executing");
free(err );
// FixMe Errors
}
qWarning("Item count is %d", query.items.count() );
OSQLResult result(OSQLResult::Success,
query.items,
query.errors );
return result;
}
OSQLTable::ValueList OSQLiteDriver::tables() const {
}
OSQLError OSQLiteDriver::lastError() {
OSQLError error;
return error;
};
/* handle a callback add the row to the global
* OSQLResultItem
*/
int OSQLiteDriver::handleCallBack( int, char**, char** ) {
return 0;
}
/* callback_handler add the values to the list*/
int OSQLiteDriver::call_back( void* voi, int argc,
char** argv, char** columns) {
qWarning("Callback with %d items", argc );
Query* qu = (Query*)voi;
//copy them over to a OSQLResultItem
QMap<QString, QString> tableString;
QMap<int, QString> tableInt;
for (int i = 0; i < argc; i++ ) {
qWarning("%s|%s", columns[i], argv[i] );
tableInt.insert( i, QString::fromLocal8Bit(argv[i] ) );
tableString.insert( QString::fromLocal8Bit( columns[i]),
QString::fromLocal8Bit( argv[i] ) );
}
OSQLResultItem item( tableString, tableInt );
qu->items.append( item );
return ((Query*)voi)->driver->handleCallBack( argc,
argv,
columns );
}
|