-struct ovsdb_error *ovsdb_column_set_from_json(const struct json *,
- const struct ovsdb_table *,
- struct ovsdb_column_set *);
+struct ovsdb_error *ovsdb_column_set_from_json(
+ const struct json *, const struct ovsdb_table_schema *,
+ struct ovsdb_column_set *);
+struct json *ovsdb_column_set_to_json(const struct ovsdb_column_set *);
+char *ovsdb_column_set_to_string(const struct ovsdb_column_set *);