- [[{"name":"mydb","tables":{"a":{"columns":{"map":{"type":{"key":{"refTable":"b","type":"uuid"},"value":{"refTable":"a","type":"uuid"}}}}},"b":{"columns":{"aRef":{"type":{"key":{"refTable":"a","type":"uuid"}}}}}}}]])
+ [[{"name":"mydb","tables":{"a":{"columns":{"map":{"type":{"key":{"refTable":"b","type":"uuid"},"value":{"refTable":"a","type":"uuid"}}}}},"b":{"columns":{"aRef":{"type":{"key":{"refTable":"a","type":"uuid"}}}}}},"version":"4.2.1"}]])
+
+dnl Schemas without version numbers are accepted for backward
+dnl compatibility, but this is a deprecated feature.
+OVSDB_CHECK_POSITIVE_CPY([schema without version number],
+ [[parse-schema \
+ '{"name": "mydb",
+ "tables": {
+ "x": {
+ "columns": {
+ "y": {
+ "type": "integer"}}}}}']],
+ [{"name":"mydb","tables":{"x":{"columns":{"y":{"type":"integer"}}}}}])