| CREATE EXTENSION btree_gist; | |
| -- Check whether any of our opclasses fail amvalidate | |
| SELECT amname, opcname | |
| FROM pg_opclass opc LEFT JOIN pg_am am ON am.oid = opcmethod | |
| WHERE opc.oid >= 16384 AND NOT amvalidate(opc.oid); | |
| amname | opcname | |
| --------+--------- | |
| (0 rows) | |