dballe::db::v6::CursorLinear Class Reference

Inheritance diagram for dballe::db::v6::CursorLinear:

Protected Member Functions
	CursorLinear (DB &db, unsigned int modifiers)
virtual void	discard_rest ()
	Discard the results that have not been read yet.
virtual bool	next ()
	Get a new item from the results of a query. More...
Protected Member Functions inherited from dballe::db::v6::Cursor
	Cursor (v6::DB &db, unsigned int modifiers)
	Create a query cursor. More...
void	to_record_pseudoana (Record &rec)
void	to_record_repinfo (Record &rec)
void	to_record_ltr (Record &rec)
void	to_record_datetime (Record &rec)
void	to_record_varcode (Record &rec)
int	query_stations (db::Statement &stm, const Record &rec)
int	query_data (db::Statement &stm, const Record &rec)
void	add_station_info (Record &rec)
	Query extra station info and add it to rec.

Protected Attributes
db::Statement *	stm
	ODBC statement to use for the query.

Friends
class	dballe::db::v6::DB

Additional Inherited Members
Public Member Functions inherited from dballe::db::v6::Cursor
virtual dballe::DB &	get_db () const
	Get the database that created this cursor.
int	remaining () const
	Get the number of rows still to be fetched. More...
virtual void	query (const Record &query)=0
	Perform the query.
unsigned	query_attrs (const AttrList &qcs, Record &attrs)
	Query attributes for the current variable.
virtual void	attr_insert (const Record &attrs)
	Insert/overwrite new attributes for the current variable. More...
virtual void	attr_remove (const AttrList &qcs)
	Delete attributes for the current variable. More...
virtual int	get_station_id () const
	Get the station identifier.
virtual double	get_lat () const
	Get the station latitude.
virtual double	get_lon () const
	Get the station longitude.
virtual const char *	get_ident (const char *def=0) const
	Get the station identifier, or NULL if missing.
virtual const char *	get_rep_memo (const char *def=0) const
	Get the report name.
virtual Level	get_level () const
	Get the level.
virtual Trange	get_trange () const
	Get the level.
virtual void	get_datetime (int(&dt)[6]) const
	Get the datetime.
virtual wreport::Varcode	get_varcode () const
	Get the variable code.
virtual wreport::Var	get_var () const
	Get the variable.
virtual int	attr_reference_id () const
	Return an integer value that can be used to refer to the current variable for attribute access.
virtual unsigned	test_iterate (FILE *dump=0)=0
	Iterate the cursor until the end, returning the number of items. More...
Public Member Functions inherited from dballe::db::Cursor
virtual void	to_record (Record &rec)=0
	Fill in a record with the contents of a dba_db_cursor. More...
Data Fields inherited from dballe::db::v6::Cursor
v6::DB &	db
	Database to operate on.
const unsigned int	modifiers
	Modifier flags to enable special query behaviours.
DBALLE_SQL_C_SINT_TYPE	count
	Number of results still to be fetched.
SQLRecord	sqlrec
	Results written by fetch.

Member Function Documentation

virtual bool dballe::db::v6::CursorLinear::next ( )

protectedvirtual

Get a new item from the results of a query.

Returns

true if a new record has been read, false if there is no more data to read

Implements dballe::db::v6::Cursor.

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

• v6/cursor.h