Method

TsparqlSparqlCursorget_string

Declaration [src]

const gchar*
tracker_sparql_cursor_get_string (
  TrackerSparqlCursor* cursor,
  gint column,
  glong* length
)

Description [src]

Retrieves a string representation of the data in the current row in column.

Any type may be converted to a string. If the value is not bound (See tracker_sparql_cursor_is_bound()) this method will return NULL.

Parameters

column

Type: gint

Column number to retrieve (first one is 0).

length

Type: glong*

Length of the returned string, or NULL.

The argument will be set by the function.

The argument can be set to NULL by the method.

Return value

Type: const gchar*

A string which must not be freed. NULL is returned if the column is not in the [0, n_columns] range, or if the row/column refer to a nullable optional value in the result set.

The returned data is owned by the instance.

The return value can be NULL.

The value is a NUL terminated UTF-8 string.