NAME

       mongoc_collection_ensure_index - mongoc_collection_ensure_index()

SYNOPSIS

          bool
          mongoc_collection_ensure_index (mongoc_collection_t *collection,
                                          const bson_t *keys,
                                          const mongoc_index_opt_t *opt,
                                          bson_error_t *error)
             BSON_GNUC_DEPRECATED;

DEPRECATED

       This function is deprecated and should not be used in new code. See create-indexes.

PARAMETERS

       • collection: A mongoc_collection_t.

       • keys: A bson_t.

       • opt: A mongoc_index_opt_t.

       • error: An optional location for a bson_error_t or NULL.

ERRORS

       Errors are propagated via the error parameter.

AUTHOR

       MongoDB, Inc

COPYRIGHT

       2018, MongoDB, Inc