libdballe
9.11
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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. More... | |
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virtual void | enq (Enq &enq) const =0 |
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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. | |
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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. | |
Additional Inherited Members | |
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static std::shared_ptr< CursorSummary > | downcast (std::shared_ptr< dballe::CursorSummary > c) |
Downcast a shared_ptr pointer. | |
static std::shared_ptr< CursorSummary > | make_empty () |
Create a CursorSummary iterating on no results. | |
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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