void DocumentSourceCursor::sourceToBson(
BSONObjBuilder *pBuilder, bool explain) const {
/* this has no analog in the BSON world, so only allow it for explain */
if (explain)
{
BSONObj bsonObj;
pBuilder->append("query", *pQuery);
if (pSort.get())
{
pBuilder->append("sort", *pSort);
}
// construct query for explain
BSONObjBuilder queryBuilder;
queryBuilder.append("$query", *pQuery);
if (pSort.get())
queryBuilder.append("$orderby", *pSort);
queryBuilder.append("$explain", 1);
Query query(queryBuilder.obj());
DBDirectClient directClient;
BSONObj explainResult(directClient.findOne(ns, query));
pBuilder->append("cursor", explainResult);
}
}
void DocumentSourceCursor::sourceToBson(
BSONObjBuilder *pBuilder, bool explain) const {
/* this has no analog in the BSON world, so only allow it for explain */
if (explain)
{
BSONObj bsonObj;
pBuilder->append("query", _query);
if (!_sort.isEmpty()) {
pBuilder->append("sort", _sort);
}
BSONObj projectionSpec;
if (_projection) {
projectionSpec = _projection->getSpec();
pBuilder->append("projection", projectionSpec);
}
// construct query for explain
BSONObjBuilder queryBuilder;
queryBuilder.append("$query", _query);
if (!_sort.isEmpty())
queryBuilder.append("$orderby", _sort);
queryBuilder.append("$explain", 1);
Query query(queryBuilder.obj());
DBDirectClient directClient;
BSONObj explainResult(directClient.findOne(ns, query, _projection
? &projectionSpec
: NULL));
pBuilder->append("cursor", explainResult);
}
}
