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39 | |
40 | #ifndef QSQLRESULT_H |
41 | #define QSQLRESULT_H |
42 | |
43 | #include <QtSql/qtsqlglobal.h> |
44 | #include <QtCore/qvariant.h> |
45 | #include <QtCore/qvector.h> |
46 | |
47 | // for testing: |
48 | class tst_QSqlQuery; |
49 | |
50 | QT_BEGIN_NAMESPACE |
51 | |
52 | |
53 | class QString; |
54 | class QSqlRecord; |
55 | template <typename T> class QVector; |
56 | class QVariant; |
57 | class QSqlDriver; |
58 | class QSqlError; |
59 | class QSqlResultPrivate; |
60 | |
61 | class Q_SQL_EXPORT QSqlResult |
62 | { |
63 | Q_DECLARE_PRIVATE(QSqlResult) |
64 | friend class QSqlQuery; |
65 | friend class QSqlTableModelPrivate; |
66 | // for testing: |
67 | friend class ::tst_QSqlQuery; |
68 | |
69 | public: |
70 | virtual ~QSqlResult(); |
71 | virtual QVariant handle() const; |
72 | |
73 | protected: |
74 | enum BindingSyntax { |
75 | PositionalBinding, |
76 | NamedBinding |
77 | }; |
78 | |
79 | explicit QSqlResult(const QSqlDriver * db); |
80 | QSqlResult(QSqlResultPrivate &dd); |
81 | int at() const; |
82 | QString lastQuery() const; |
83 | QSqlError lastError() const; |
84 | bool isValid() const; |
85 | bool isActive() const; |
86 | bool isSelect() const; |
87 | bool isForwardOnly() const; |
88 | const QSqlDriver* driver() const; |
89 | virtual void setAt(int at); |
90 | virtual void setActive(bool a); |
91 | virtual void setLastError(const QSqlError& e); |
92 | virtual void setQuery(const QString& query); |
93 | virtual void setSelect(bool s); |
94 | virtual void setForwardOnly(bool forward); |
95 | |
96 | // prepared query support |
97 | virtual bool exec(); |
98 | virtual bool prepare(const QString& query); |
99 | virtual bool savePrepare(const QString& sqlquery); |
100 | virtual void bindValue(int pos, const QVariant& val, QSql::ParamType type); |
101 | virtual void bindValue(const QString& placeholder, const QVariant& val, |
102 | QSql::ParamType type); |
103 | void addBindValue(const QVariant& val, QSql::ParamType type); |
104 | QVariant boundValue(const QString& placeholder) const; |
105 | QVariant boundValue(int pos) const; |
106 | QSql::ParamType bindValueType(const QString& placeholder) const; |
107 | QSql::ParamType bindValueType(int pos) const; |
108 | int boundValueCount() const; |
109 | QVector<QVariant>& boundValues() const; |
110 | QString executedQuery() const; |
111 | QString boundValueName(int pos) const; |
112 | void clear(); |
113 | bool hasOutValues() const; |
114 | |
115 | BindingSyntax bindingSyntax() const; |
116 | |
117 | virtual QVariant data(int i) = 0; |
118 | virtual bool isNull(int i) = 0; |
119 | virtual bool reset(const QString& sqlquery) = 0; |
120 | virtual bool fetch(int i) = 0; |
121 | virtual bool fetchNext(); |
122 | virtual bool fetchPrevious(); |
123 | virtual bool fetchFirst() = 0; |
124 | virtual bool fetchLast() = 0; |
125 | virtual int size() = 0; |
126 | virtual int numRowsAffected() = 0; |
127 | virtual QSqlRecord record() const; |
128 | virtual QVariant lastInsertId() const; |
129 | |
130 | enum VirtualHookOperation { }; |
131 | virtual void virtual_hook(int id, void *data); |
132 | virtual bool execBatch(bool arrayBind = false); |
133 | virtual void detachFromResultSet(); |
134 | virtual void setNumericalPrecisionPolicy(QSql::NumericalPrecisionPolicy policy); |
135 | QSql::NumericalPrecisionPolicy numericalPrecisionPolicy() const; |
136 | virtual bool nextResult(); |
137 | void resetBindCount(); // HACK |
138 | |
139 | QSqlResultPrivate *d_ptr; |
140 | |
141 | private: |
142 | Q_DISABLE_COPY(QSqlResult) |
143 | }; |
144 | |
145 | QT_END_NAMESPACE |
146 | |
147 | #endif // QSQLRESULT_H |
148 | |