Method

TsparqlSparqlConnectionquery_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 method.

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 method.

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 be 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 returned data, and is responsible for freeing it.