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Q3SqlRecordInfo Class Reference
[Qt3Support module]

The Q3SqlRecordInfo class encapsulates a set of database field meta data. Далее...

 #include <Q3SqlRecordInfo>

This class is part of the Qt 3 support library. It is provided to keep old source code working. Мы настоятельно не рекомендуем использовать этот класс в новом коде. See Porting to Qt 4 for more information.

Note to Qt Desktop Light Edition users: This class is only available in the Qt Desktop Edition.

Открытые функции


Подробное описание

The Q3SqlRecordInfo class encapsulates a set of database field meta data.

This class is a list that holds a set of database field meta data. Use contains() to see if a given field name exists in the record, and use find() to get a QSqlFieldInfo record for a named field.

See also Q3SqlFieldInfo.


Описание функций-членов

Q3SqlRecordInfo::Q3SqlRecordInfo ()

Constructs an empty record info object.

Q3SqlRecordInfo::Q3SqlRecordInfo ( const Q3SqlFieldInfoList & other )

Создаёт копию other.

Q3SqlRecordInfo::Q3SqlRecordInfo ( const QSqlRecord & other )

Создаёт копию other.

size_type Q3SqlRecordInfo::contains ( const QString & fieldName ) const

Returns the number of times a field called fieldName occurs in the record. Returns 0 if no field by that name could be found.

Q3SqlFieldInfo Q3SqlRecordInfo::find ( const QString & fieldName ) const

Returns a QSqlFieldInfo object for the first field in the record which has the field name fieldName. If no matching field is found then an empty QSqlFieldInfo object is returned.

QSqlRecord Q3SqlRecordInfo::toRecord () const

Returns an empty QSqlRecord based on the field information in this Q3SqlRecordInfo.


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Qt 4.3.5