# mgISQLDataReaderImp.h File Reference

Include dependency graph for mgISQLDataReaderImp.h:

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