Method

TrackerSparqlConnectionquery_statement

Declaration [src]

TrackerSparqlStatement*
tracker_sparql_connection_query_statement (
  TrackerSparqlConnection* connection,
  const gchar* sparql,
  GCancellable* cancellable,
  GError** error
)

Description [src]

Prepares the given SELECT/ASK/DESCRIBE/CONSTRUCT SPARQL query as a TrackerSparqlStatement.

This prepared statement can be executed through tracker_sparql_statement_execute() or tracker_sparql_statement_serialize_async() families of functions.

Parameters

sparql

Type: const gchar*

The SPARQL query.

The data is owned by the caller of the function.
The value is a NUL terminated UTF-8 string.
cancellable

Type: GCancellable

Optional GCancellable

The argument can be NULL.
The data is owned by the caller of the function.
error

Type: GError **

The return location for a recoverable error.

The argument can be NULL.
If the return location is not NULL, then you must initialize it to a NULL GError*.
The argument will left initialized to NULL by the method if there are no errors.
In case of error, the argument will be set to a newly allocated GError; the caller will take ownership of the data, and be responsible for freeing it.

Return value

Type: TrackerSparqlStatement

A prepared statement.

The caller of the method takes ownership of the data, and is responsible for freeing it.
The return value can be NULL.