+/* Returns an English string listing the contents of 'set', e.g. "columns
+ * \"a\", \"b\", and \"c\"". The caller must free the string. */
+char *
+ovsdb_column_set_to_string(const struct ovsdb_column_set *set)
+{
+ if (!set->n_columns) {
+ return xstrdup("no columns");
+ } else {
+ struct ds s;
+ size_t i;
+
+ ds_init(&s);
+ ds_put_format(&s, "column%s ", set->n_columns > 1 ? "s" : "");
+ for (i = 0; i < set->n_columns; i++) {
+ const char *delimiter = english_list_delimiter(i, set->n_columns);
+ ds_put_format(&s, "%s\"%s\"", delimiter, set->columns[i]->name);
+ }
+ return ds_steal_cstr(&s);
+ }
+}
+