libdballe  9.11
Public Member Functions | Static Public Member Functions | List of all members
dballe::impl::CursorData Struct Referenceabstract

Cursor iterating over data values. More...

#include <cursor.h>

Inheritance diagram for dballe::impl::CursorData:
dballe::CursorData dballe::Cursor dballe::db::CursorData dballe::impl::msg::CursorData

Public Member Functions

virtual void enq (Enq &enq) const =0
 
- Public Member Functions inherited from dballe::CursorData
virtual wreport::Varcode get_varcode () const =0
 Get the variable code.
 
virtual wreport::Var get_var () const =0
 Get the variable.
 
virtual Level get_level () const =0
 Get the level.
 
virtual Trange get_trange () const =0
 Get the time range.
 
virtual Datetime get_datetime () const =0
 Get the datetime.
 
- Public Member Functions inherited from dballe::Cursor
virtual bool has_value () const =0
 Check if the cursor points to a valid value. More...
 
virtual int remaining () const =0
 Get the number of rows still to be fetched. More...
 
virtual bool next ()=0
 Get a new item from the results of a query. More...
 
virtual void discard ()=0
 Discard the results that have not been read yet.
 
virtual DBStation get_station () const =0
 Get the whole station data in a single call.
 

Static Public Member Functions

static std::shared_ptr< CursorDatadowncast (std::shared_ptr< dballe::CursorData > c)
 Downcast a shared_ptr pointer.
 
static std::shared_ptr< CursorDatamake_empty ()
 Create a CursorData iterating on no results.
 

Detailed Description

Cursor iterating over data values.


The documentation for this struct was generated from the following file: