Mercurial > dedupe

annotate DBCache.hpp @ 32:c978d4a6514d

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Replace unnecessary asserts with exceptions.
author Tom Fredrik Blenning Klaussen <bfg@blenning.no>
date Thu, 06 Sep 2012 19:22:32 +0200
parents bf3dce7fedcb
children fda70a362ed5
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
16
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
1 #ifndef DBCACHE_HPP
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
2 #define DBCACHE_HPP
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
3
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
4 #include <QtSql/QSqlDatabase>
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
5 #include <QtSql/QSqlQuery>
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
6 #include <QtSql/QSqlError>
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
7 #include <QtSql/QSqlRecord>
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
8
31
bf3dce7fedcb Remove all references to QDebug
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents: 23
diff changeset
9
16
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
10 #include <QtCore/QStringList>
31
bf3dce7fedcb Remove all references to QDebug
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents: 23
diff changeset
11 #include <QtCore/QVariant>
16
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
12 #include "OrderedPair.hpp"
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
13
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
14 #include <boost/optional.hpp>
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
15
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
16 #include "ThreadSafeLookup.hpp"
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
17 #include "UniqueString.hpp"
31
bf3dce7fedcb Remove all references to QDebug
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents: 23
diff changeset
18 #include "Exception/SQLException.hpp"
32
c978d4a6514d Replace unnecessary asserts with exceptions.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents: 31
diff changeset
19 #include "Exception/IOException.hpp"
16
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
20
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
21
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
22 template<typename T>
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
23 struct SQLGenerator
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
24 {
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
25 };
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
26
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
27 template<>
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
28 struct SQLGenerator<int>
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
29 {
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
30 static QString fieldName(const QString &prefix = QString())
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
31 {
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
32 return QString("%1_Int").arg(prefix);
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
33 }
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
34
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
35 static QString createFields(const QString &prefix = QString())
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
36 {
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
37 return QString("%1 INTEGER").arg(fieldName(prefix));
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
38 }
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
39
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
40 static QString valueString(const QString &prefix = QString())
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
41 {
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
42 return QString(":") + fieldName(prefix);
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
43 }
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
44
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
45 static void bindValue(QSqlQuery& query, int value, const QString& prefix = QString())
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
46 {
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
47 query.bindValue(valueString(prefix), value);
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
48 }
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
49
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
50 static void bindValues(QSqlQuery& query, const QVariantList& values, const QString& prefix = QString())
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
51 {
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
52 query.bindValue(valueString(prefix), values);
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
53 }
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
54
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
55 static void bindValues(QSqlQuery& query, const QList<int>& values, const QString& prefix = QString())
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
56 {
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
57 QVariantList list;
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
58 foreach(int value, values) {
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
59 list << value;
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
60 }
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
61 bindValues(query, list, prefix);
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
62 }
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
63
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
64 static boost::optional<int> extract(QSqlQuery& query, const QString& prefix = QString())
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
65 {
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
66 int fieldNo = query.record().indexOf(fieldName(prefix));
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
67 if (query.at() >= 0)
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
68 return query.value(fieldNo).toInt();
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
69 else
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
70 return boost::optional<int>();
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
71 }
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
72
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
73 };
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
74
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
75 template<>
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
76 struct SQLGenerator<QString>
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
77 {
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
78 static QString fieldName(const QString &prefix = QString())
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
79 {
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
80 return QString("%1_QString").arg(prefix);
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
81 }
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
82
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
83 static QString createFields(const QString &prefix = QString())
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
84 {
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
85 return QString("%1 TEXT").arg(fieldName(prefix));
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
86 }
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
87
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
88 static QString valueString(const QString &prefix = QString())
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
89 {
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
90 return QString(":") + fieldName(prefix);
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
91 }
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
92
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
93 static QString restrict(const QString &prefix = QString())
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
94 {
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
95 return QString("%1 = %2").arg(fieldName(prefix)).arg(valueString(prefix));
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
96 }
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
97
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
98 static void bindValue(QSqlQuery& query, const QString& value, const QString& prefix = QString())
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
99 {
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
100 query.bindValue(valueString(prefix), value);
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
101 }
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
102
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
103 static void bindValues(QSqlQuery& query, const QVariantList& value, const QString& prefix = QString())
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
104 {
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
105 query.bindValue(valueString(prefix), value);
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
106 }
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
107
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
108 static void bindValues(QSqlQuery& query, const QList<QString>& values, const QString& prefix = QString())
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
109 {
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
110 QVariantList list;
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
111 foreach(const QString& value, values) {
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
112 list << value;
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
113 }
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
114 bindValues(query, list, prefix);
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
115 }
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
116
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
117 static boost::optional<QString> extract(QSqlQuery& query, const QString& prefix = QString())
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
118 {
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
119 int fieldNo = query.record().indexOf(fieldName(prefix));
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
120 if (query.at() >= 0)
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
121 return query.value(fieldNo).toString();
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
122 else
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
123 return boost::optional<QString>();
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
124 }
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
125
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
126
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
127 };
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
128
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
129 template<>
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
130 struct SQLGenerator<UniqueString>
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
131 {
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
132 static QString fieldName(const QString &prefix = QString())
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
133 {
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
134 return QString("%1_QString").arg(prefix);
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
135 }
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
136
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
137 static QString createFields(const QString &prefix = QString())
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
138 {
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
139 return QString("%1 TEXT").arg(fieldName(prefix));
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
140 }
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
141
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
142 static QString valueString(const QString &prefix = QString())
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
143 {
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
144 return QString(":") + fieldName(prefix);
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
145 }
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
146
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
147 static QString restrict(const QString &prefix = QString())
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
148 {
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
149 return QString("%1 = %2").arg(fieldName(prefix)).arg(valueString(prefix));
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
150 }
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
151
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
152 static void bindValue(QSqlQuery& query, const QString& value, const QString& prefix = QString())
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
153 {
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
154 query.bindValue(valueString(prefix), value);
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
155 }
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
156
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
157 static void bindValues(QSqlQuery& query, const QVariantList& value, const QString& prefix = QString())
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
158 {
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
159 query.bindValue(valueString(prefix), value);
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
160 }
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
161
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
162 static void bindValues(QSqlQuery& query, const QList<UniqueString>& values, const QString& prefix = QString())
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
163 {
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
164 QVariantList list;
23
5d14d8c2c299 Fix to support other stringtypes than QString.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents: 16
diff changeset
165 foreach(const UniqueString& value, values) {
5d14d8c2c299 Fix to support other stringtypes than QString.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents: 16
diff changeset
166 list << static_cast<const QString>(value);
16
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
167 }
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
168 bindValues(query, list, prefix);
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
169 }
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
170
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
171 static boost::optional<QString> extract(QSqlQuery& query, const QString& prefix = QString())
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
172 {
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
173 int fieldNo = query.record().indexOf(fieldName(prefix));
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
174 if (query.at() >= 0)
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
175 return query.value(fieldNo).toString();
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
176 else
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
177 return boost::optional<QString>();
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
178 }
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
179
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
180
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
181 };
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
182
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
183 template<typename T>
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
184 struct SQLGenerator<OrderedPair<T> >
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
185 {
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
186 static QString fieldName(const QString &prefix = QString())
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
187 {
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
188 return SQLGenerator<T>::fieldName(prefix + "_1") + ", " +
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
189 SQLGenerator<T>::fieldName(prefix + "_2");
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
190 }
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
191
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
192 static QString createFields(const QString &prefix = QString())
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
193 {
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
194 return SQLGenerator<T>::createFields(prefix + "_1") + ", " +
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
195 SQLGenerator<T>::createFields(prefix + "_2");
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
196 }
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
197
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
198 static QString restriction(const QString& prefix = QString())
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
199 {
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
200 return SQLGenerator<T>::restrict(prefix + "_1") + " AND " +
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
201 SQLGenerator<T>::restrict(prefix + "_2");
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
202 }
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
203
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
204 static QString valueString(const QString &prefix = QString())
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
205 {
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
206 return SQLGenerator<T>::valueString(prefix + "_1") + ", " +
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
207 SQLGenerator<T>::valueString(prefix + "_2");
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
208 }
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
209
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
210 static void bindValue(QSqlQuery& query, const OrderedPair<T>& value, const QString& prefix = QString())
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
211 {
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
212 SQLGenerator<T>::bindValue(query, value.first, prefix + "_1");
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
213 SQLGenerator<T>::bindValue(query, value.second, prefix + "_2");
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
214 }
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
215
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
216 static void bindValues(QSqlQuery& query, const QList<OrderedPair<T> >& values, const QString& prefix = QString())
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
217 {
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
218 QList<T> first;
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
219 QList<T> second;
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
220 foreach(OrderedPair<T> value, values) {
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
221 first << value.first;
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
222 second << value.second;
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
223 }
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
224 SQLGenerator<T>::bindValues(query, first, prefix + "_1");
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
225 SQLGenerator<T>::bindValues(query, second, prefix + "_2");
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
226 }
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
227
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
228 static boost::optional<OrderedPair<T> > extract(QSqlQuery& query, const QString& prefix = QString())
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
229 {
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
230 if (query.at() >= 0)
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
231 return OrderedPair<T> (*SQLGenerator<T>::extract(query, prefix + "_1"),
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
232 *SQLGenerator<T>::extract(query, prefix + "_2"));
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
233 else
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
234 return boost::optional<OrderedPair<T> >();
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
235 }
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
236
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
237
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
238 };
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
239
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
240 template<typename Key, typename Value, bool memoryMapped = false>
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
241 class DBCache
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
242 {
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
243 private:
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
244 ThreadSafeLookup<Key, Value> memoryMap;
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
245 QList<Key> unsyncedKeys;
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
246
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
247 void setup(const QSqlDatabase& db, const QString& dictName)
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
248 {
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
249 this->dictName = dictName;
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
250 if (!db.tables().contains(dictName)) {
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
251 QString keyFields = SQLGenerator<Key>::createFields("key");
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
252 QString valueFields = SQLGenerator<Value>::createFields("value");
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
253 QString createQuery = QString("CREATE TABLE %1(%2, %3);").arg(dictName).arg(keyFields).arg(valueFields);
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
254 QSqlQuery query(db);
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
255 query.exec(createQuery);
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
256 }
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
257 if (!db.tables().contains(dictName)) {
31
bf3dce7fedcb Remove all references to QDebug
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents: 23
diff changeset
258 throw SQLException("No databaase");
16
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
259 }
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
260 if (memoryMapped) {
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
261 QString keyFields = SQLGenerator<Key>::fieldName("key");
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
262 QString valueFields = SQLGenerator<Value>::fieldName("value");
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
263 QString repopulateQuery = QString("SELECT %1, %2 FROM %3;").arg(keyFields).arg(valueFields).arg(dictName);
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
264 QSqlQuery query(db);
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
265 if (!query.exec(repopulateQuery)) {
31
bf3dce7fedcb Remove all references to QDebug
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents: 23
diff changeset
266 throw SQLException(query);
16
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
267 }
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
268 while (query.next()) {
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
269 Key key = *SQLGenerator<Key>::extract(query, "key");
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
270 Value value = *SQLGenerator<Value>::extract(query, "value");
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
271 memoryMap.insert(key, value);
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
272 }
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
273 }
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
274 QString queryString = QString("INSERT into %1 (%2, %3) VALUES(%4, %5);")
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
275 .arg(dictName)
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
276 .arg(SQLGenerator<Key>::fieldName("key"))
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
277 .arg(SQLGenerator<Value>::fieldName("value"))
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
278 .arg(SQLGenerator<Key>::valueString("key"))
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
279 .arg(SQLGenerator<Value>::valueString("value"));
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
280 insertQuery = QSqlQuery(db);
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
281 insertQuery.prepare(queryString);
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
282 }
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
283
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
284 void syncInsert()
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
285 {
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
286 SQLGenerator<Key>::bindValues(insertQuery, unsyncedKeys, "key");
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
287 QList<Value> values;
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
288 foreach(Key key, unsyncedKeys) {
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
289 values << *memoryMap.value(key);
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
290 }
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
291 SQLGenerator<Value>::bindValues(insertQuery, values, "value");
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
292 if (!insertQuery.exec()) {
31
bf3dce7fedcb Remove all references to QDebug
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents: 23
diff changeset
293 throw SQLException(insertQuery);
16
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
294 }
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
295 insertQuery.finish();
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
296 unsyncedKeys.clear();
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
297 }
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
298
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
299 public:
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
300 DBCache(const QString& dbName, const QString& dictName)
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
301 {
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
302 db = QSqlDatabase::addDatabase("QSQLITE", "dictName");
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
303 db.setDatabaseName(dbName);
32
c978d4a6514d Replace unnecessary asserts with exceptions.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents: 31
diff changeset
304 if (!db.open())
c978d4a6514d Replace unnecessary asserts with exceptions.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents: 31
diff changeset
305 throw IOException(QString("Unable to open SQLite database with path '%1'").arg(dictName));
16
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
306 setup(db, dictName);
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
307 }
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
308
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
309 DBCache(const QSqlDatabase& db, const QString& dictName)
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
310 {
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
311 setup(db, dictName);
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
312 }
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
313
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
314 boost::optional<Value> value(const Key& key) const
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
315 {
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
316 if (memoryMapped) {
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
317 return memoryMap.value(key);
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
318 }
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
319 else {
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
320 QString queryString = QString("SELECT %1 FROM %2 WHERE %3")
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
321 .arg(SQLGenerator<Value>::fieldName("value"))
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
322 .arg(dictName)
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
323 .arg(SQLGenerator<Key>::restriction("key"));
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
324 QSqlQuery query(db);
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
325 query.prepare(queryString);
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
326 SQLGenerator<Key>::bindValue(query, key, "key");
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
327 if (!query.exec()) {
31
bf3dce7fedcb Remove all references to QDebug
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents: 23
diff changeset
328 throw SQLException(query);
16
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
329 }
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
330 query.next();
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
331 return SQLGenerator<Value>::extract(query, "value");
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
332 }
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
333 }
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
334
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
335 void insert(const Key& key, const Value& value)
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
336 {
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
337 if (memoryMapped) {
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
338 memoryMap.insert(key, value);
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
339 unsyncedKeys.append(key);
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
340 if (unsyncedKeys.size() > 1024) {
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
341 syncInsert();
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
342 }
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
343 }
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
344 else {
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
345 SQLGenerator<Key>::bindValue(insertQuery, key, "key");
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
346 SQLGenerator<Value>::bindValue(insertQuery, value, "value");
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
347 if (!insertQuery.exec()) {
31
bf3dce7fedcb Remove all references to QDebug
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents: 23
diff changeset
348 throw SQLException(insertQuery);
16
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
349 }
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
350 insertQuery.finish();
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
351 }
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
352
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
353 }
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
354
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
355 private:
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
356 QSqlDatabase db;
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
357 QString dictName;
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
358 QSqlQuery insertQuery;
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
359 };
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
360
06166d6c083b Add configuration processing.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
parents:
diff changeset
361 #endif //DBCACHE_HPP