qsqlfield.h 3.7 KB

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  1. /****************************************************************************
  2. **
  3. ** Copyright (C) 2016 The Qt Company Ltd.
  4. ** Contact: https://www.qt.io/licensing/
  5. **
  6. ** This file is part of the QtSql module of the Qt Toolkit.
  7. **
  8. ** $QT_BEGIN_LICENSE:LGPL$
  9. ** Commercial License Usage
  10. ** Licensees holding valid commercial Qt licenses may use this file in
  11. ** accordance with the commercial license agreement provided with the
  12. ** Software or, alternatively, in accordance with the terms contained in
  13. ** a written agreement between you and The Qt Company. For licensing terms
  14. ** and conditions see https://www.qt.io/terms-conditions. For further
  15. ** information use the contact form at https://www.qt.io/contact-us.
  16. **
  17. ** GNU Lesser General Public License Usage
  18. ** Alternatively, this file may be used under the terms of the GNU Lesser
  19. ** General Public License version 3 as published by the Free Software
  20. ** Foundation and appearing in the file LICENSE.LGPL3 included in the
  21. ** packaging of this file. Please review the following information to
  22. ** ensure the GNU Lesser General Public License version 3 requirements
  23. ** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
  24. **
  25. ** GNU General Public License Usage
  26. ** Alternatively, this file may be used under the terms of the GNU
  27. ** General Public License version 2.0 or (at your option) the GNU General
  28. ** Public license version 3 or any later version approved by the KDE Free
  29. ** Qt Foundation. The licenses are as published by the Free Software
  30. ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
  31. ** included in the packaging of this file. Please review the following
  32. ** information to ensure the GNU General Public License requirements will
  33. ** be met: https://www.gnu.org/licenses/gpl-2.0.html and
  34. ** https://www.gnu.org/licenses/gpl-3.0.html.
  35. **
  36. ** $QT_END_LICENSE$
  37. **
  38. ****************************************************************************/
  39. #ifndef QSQLFIELD_H
  40. #define QSQLFIELD_H
  41. #include <QtCore/qvariant.h>
  42. #include <QtCore/qstring.h>
  43. #include <QtSql/qsql.h>
  44. QT_BEGIN_NAMESPACE
  45. class QSqlFieldPrivate;
  46. class Q_SQL_EXPORT QSqlField
  47. {
  48. public:
  49. enum RequiredStatus { Unknown = -1, Optional = 0, Required = 1 };
  50. explicit QSqlField(const QString& fieldName = QString(),
  51. QVariant::Type type = QVariant::Invalid);
  52. QSqlField(const QSqlField& other);
  53. QSqlField& operator=(const QSqlField& other);
  54. bool operator==(const QSqlField& other) const;
  55. inline bool operator!=(const QSqlField &other) const { return !operator==(other); }
  56. ~QSqlField();
  57. void setValue(const QVariant& value);
  58. inline QVariant value() const
  59. { return val; }
  60. void setName(const QString& name);
  61. QString name() const;
  62. bool isNull() const;
  63. void setReadOnly(bool readOnly);
  64. bool isReadOnly() const;
  65. void clear();
  66. QVariant::Type type() const;
  67. bool isAutoValue() const;
  68. void setType(QVariant::Type type);
  69. void setRequiredStatus(RequiredStatus status);
  70. inline void setRequired(bool required)
  71. { setRequiredStatus(required ? Required : Optional); }
  72. void setLength(int fieldLength);
  73. void setPrecision(int precision);
  74. void setDefaultValue(const QVariant &value);
  75. void setSqlType(int type);
  76. void setGenerated(bool gen);
  77. void setAutoValue(bool autoVal);
  78. RequiredStatus requiredStatus() const;
  79. int length() const;
  80. int precision() const;
  81. QVariant defaultValue() const;
  82. int typeID() const;
  83. bool isGenerated() const;
  84. bool isValid() const;
  85. private:
  86. void detach();
  87. QVariant val;
  88. QSqlFieldPrivate* d;
  89. };
  90. #ifndef QT_NO_DEBUG_STREAM
  91. Q_SQL_EXPORT QDebug operator<<(QDebug, const QSqlField &);
  92. #endif
  93. QT_END_NAMESPACE
  94. #endif // QSQLFIELD_H