The Q3SqlRecordInfo class encapsulates a set of database field meta data. 更多...
| 头： | #include <Q3SqlRecordInfo> |
| 继承： |
| Q3SqlRecordInfo () | |
| Q3SqlRecordInfo (const Q3SqlFieldInfoList & other ) | |
| Q3SqlRecordInfo (const QSqlRecord & other ) | |
| size_type | contains (const QString & fieldName ) const |
| Q3SqlFieldInfo | find (const QString & fieldName ) const |
| QSqlRecord | toRecord () const |
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.
另请参阅 Q3SqlFieldInfo .
Constructs an empty record info object.
构造副本为 other .
构造副本为 other .
Returns the number of times a field called fieldName occurs in the record. Returns 0 if no field by that name could be found.
返回 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.
返回空 QSqlRecord based on the field information in this Q3SqlRecordInfo .
