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The TrackerSparqlStatement object represents a SPARQL query. This query may contain parameterized variables (expressed as ~var in the syntax), which may be mapped to arbitrary values prior to execution. This statement may be reused for future queries with different values.
The argument bindings may be changed through tracker_sparql_statement_bind_int()
,
tracker_sparql_statement_bind_boolean()
, tracker_sparql_statement_bind_double()
and tracker_sparql_statement_bind_string()
. Those functions receive
a name
argument corresponding for the variable name in the SPARQL query
(eg. "var" for ~var) and a value
to map the variable to.
Once all arguments have a value, the query may be executed through
tracker_sparql_statement_execute()
or tracker_sparql_statement_execute_async()
.
This object was added in Tracker 2.2.