libdballe 9.14
dballe::db::CursorSummary Struct Referenceabstract
Inheritance diagram for dballe::db::CursorSummary:
dballe::impl::CursorSummary dballe::CursorSummary dballe::Cursor

Public Member Functions

virtual void remove ()=0
 Remove all data summarised by this entry.
virtual unsigned test_iterate (FILE *dump=0)=0
 Iterate the cursor until the end, returning the number of items.
Public Member Functions inherited from dballe::impl::CursorSummary
virtual void enq (Enq &enq) const =0
Public Member Functions inherited from dballe::CursorSummary
virtual Level get_level () const =0
 Get the level.
virtual Trange get_trange () const =0
 Get the time range.
virtual wreport::Varcode get_varcode () const =0
 Get the variable code.
virtual DatetimeRange get_datetimerange () const =0
 Get the datetime range.
virtual size_t get_count () const =0
 Get the count of elements.
Public Member Functions inherited from dballe::Cursor
virtual bool has_value () const =0
 Check if the cursor points to a valid value.
virtual int remaining () const =0
 Get the number of rows still to be fetched.
virtual bool next ()=0
 Get a new item from the results of a query.
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.

Additional Inherited Members

Static Public Member Functions inherited from dballe::impl::CursorSummary
static std::shared_ptr< CursorSummarydowncast (std::shared_ptr< dballe::CursorSummary > c)
 Downcast a shared_ptr pointer.
static std::shared_ptr< CursorSummarymake_empty ()
 Create a CursorSummary iterating on no results.

Member Function Documentation

◆ test_iterate()

virtual unsigned dballe::db::CursorSummary::test_iterate ( FILE * dump = 0)
pure virtual

Iterate the cursor until the end, returning the number of items.

If dump is a FILE pointer, also dump the cursor values to it


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