mongoc_gridfs_find_one_with_opts()¶
Synopsis¶
mongoc_gridfs_file_t *
mongoc_gridfs_find_one_with_opts (mongoc_gridfs_t *gridfs,
const bson_t *filter,
const bson_t *opts,
bson_error_t *error)
BSON_GNUC_WARN_UNUSED_RESULT;
Parameters¶
gridfs
: A mongoc_gridfs_t.filter
: Abson_t
containing the query to execute.opts
: Abson_t
query options, including sort order and which fields to return. Can beNULL
.error
: An optional location for a bson_error_t orNULL
.
Description¶
Find the first GridFS file matching filter
.
See mongoc_collection_find_with_opts() for a description of the filter
and opts
parameters.
Errors¶
Errors are propagated via the error
parameter.
Returns¶
A newly allocated mongoc_gridfs_file_t or NULL
if no file could be found. You must free the resulting file with mongoc_gridfs_file_destroy() if non-NULL.