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# Qt 3 Support Members for QSqlDriver

The following class members are part of the Qt 3 support layer. They are provided to help you port old code to Qt 4. We advise against using them in new code.

- QSqlDriver class reference

### Public Functions

- QString formatValue ( const QSqlField * field, bool trimStrings = false ) const
- QString nullText () const
- QSqlRecord record ( const QSqlQuery & query ) const
- QSqlRecord recordInfo ( const QString & tablename ) const
- QSqlRecord recordInfo ( const QSqlQuery & query ) const

- 8 public functions inherited from QObject

## Member Function Documentation

### QString QSqlDriver::formatValue ( const QSqlField * field, bool trimStrings = false ) const

Use the other formatValue() overload instead.

### QString QSqlDriver::nullText () const

sqlStatement() is now used to generate SQL. Use tr("NULL") for example, instead.

### QSqlRecord QSqlDriver::record ( const QSqlQuery & query ) const

This is an overloaded member function, provided for convenience. It behaves essentially like the above function.

Use query.record() instead.

### QSqlRecord QSqlDriver::recordInfo ( const QString & tablename ) const

Use record() instead.

### QSqlRecord QSqlDriver::recordInfo ( const QSqlQuery & query ) const

This is an overloaded member function, provided for convenience. It behaves essentially like the above function.

Use query.record() instead.