QtSql/qsqlfield.h Source File

qsqlfield.h
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41 
42 #ifndef QSQLFIELD_H
43 #define QSQLFIELD_H
44 
45 #include <QtCore/qvariant.h>
46 #include <QtCore/qstring.h>
47 
49 
51 
52 QT_MODULE(Sql)
53 
54 class QSqlFieldPrivate;
55 
56 class Q_SQL_EXPORT QSqlField
57 {
58 public:
59  enum RequiredStatus { Unknown = -1, Optional = 0, Required = 1 };
60 
61  QSqlField(const QString& fieldName = QString(),
63 
64  QSqlField(const QSqlField& other);
65  QSqlField& operator=(const QSqlField& other);
66  bool operator==(const QSqlField& other) const;
67  inline bool operator!=(const QSqlField &other) const { return !operator==(other); }
68  ~QSqlField();
69 
70  void setValue(const QVariant& value);
71  inline QVariant value() const
72  { return val; }
73  void setName(const QString& name);
74  QString name() const;
75  bool isNull() const;
76  void setReadOnly(bool readOnly);
77  bool isReadOnly() const;
78  void clear();
79  QVariant::Type type() const;
80  bool isAutoValue() const;
81 
82  void setType(QVariant::Type type);
83  void setRequiredStatus(RequiredStatus status);
84  inline void setRequired(bool required)
85  { setRequiredStatus(required ? Required : Optional); }
86  void setLength(int fieldLength);
87  void setPrecision(int precision);
88  void setDefaultValue(const QVariant &value);
89  void setSqlType(int type);
90  void setGenerated(bool gen);
91  void setAutoValue(bool autoVal);
92 
93  RequiredStatus requiredStatus() const;
94  int length() const;
95  int precision() const;
96  QVariant defaultValue() const;
97  int typeID() const;
98  bool isGenerated() const;
99  bool isValid() const;
100 
101 #ifdef QT3_SUPPORT
102  inline QT3_SUPPORT void setNull() { clear(); }
103 #endif
104 
105 private:
106  void detach();
107  QVariant val;
108  QSqlFieldPrivate* d;
109 };
110 
111 #ifndef QT_NO_DEBUG_STREAM
112 Q_SQL_EXPORT QDebug operator<<(QDebug, const QSqlField &);
113 #endif
114 
116 
118 
119 #endif // QSQLFIELD_H
GLuint GLuint GLsizei GLenum type
Definition: GLee.h:872
#define QT_END_NAMESPACE
Definition: qglobal.h:128
QSqlDatabase & operator=(const QSqlDatabase &other)
#define QT_BEGIN_HEADER
Definition: qglobal.h:141
void setRequired(bool required)
Definition: qsqlfield.h:84
Definition: qdebug.h:62
bool isValid() const
bool operator==(const Attribute &cA, const AttributeInstance< type > &cB)
This operator compares the two attributes and NOT their values.
Definition: node.h:577
#define QT_BEGIN_NAMESPACE
Definition: qglobal.h:127
bool operator!=(const QSqlField &other) const
Definition: qsqlfield.h:67
GLuint GLsizei GLsizei * length
Definition: GLee.h:1713
GLsizei const GLfloat * value
Definition: GLee.h:1742
Q_SQL_EXPORT QDebug operator<<(QDebug, const QSqlField &)
RequiredStatus
Definition: qsqlfield.h:59
GLuint const GLchar * name
Definition: GLee.h:1704
#define QT_END_HEADER
Definition: qglobal.h:142
QVariant value() const
Definition: qsqlfield.h:71