NAME

       mongoc_collection_keys_to_index_string - mongoc_collection_keys_to_index_string()

SYNOPSIS

          char *
          mongoc_collection_keys_to_index_string (const bson_t *keys)
             BSON_GNUC_WARN_UNUSED_RESULT;

PARAMETERS

       • keys: A bson_t.

DESCRIPTION

       This  function  returns  the  canonical  stringification of a given key specification. See
       Creating Indexes.

       It is a programming error to call this function on a non-standard index,  such  one  other
       than a straight index with ascending and descending.

RETURNS

       A string that should be freed with bson_free().

AUTHOR

       MongoDB, Inc

COPYRIGHT

       2017-present, MongoDB, Inc