# mgIDataReaderImp.h File Reference

Include dependency graph for mgIDataReaderImp.h:

## Namespaces
namespace | OSGeo
namespace | OSGeo::FDO
namespace | OSGeo::FDO::Commands
namespace | OSGeo::FDO::Commands::Feature
## Classes
class | OSGeo::FDO::Commands::Feature::IDataReaderImp
| The IDataReaderImp class is a concrete implementation class for IDataReader. The IDataReader interface provides a forward-only, read-only iterator for reading relational table data. A reference to an IDataReader is returned from the SQLCommands ExecuteReader method. The initial position of the IDataReader interface is prior to the first item. Thus, you must call ReadNext to begin accessing any data. More...