That doesn't sound right: static void do_autovacuum(void) { ... if (classForm->relpersistence == RELPERSISTENCE_TEMP) { int backendID; backendID

That doesn't sound right: static void do_autovacuum(void) { ... if (classForm->relpersistence == RELPERSISTENCE_TEMP) { int backendID; backendID = GetTempNamespaceBackendId(classForm->relnamespace); /* We just ignore it if the owning backend is still active */ if (backendID == MyBackendId || BackendIdGetProc(backendID) == NULL) { /* * We found an orphan temp table (which was probably left * behind by a crashed backend). If it's so old as to need * vacuum for wraparound, forcibly drop it. Otherwise just * log a complaint. */ if (wraparound) { ObjectAddress object; ereport(LOG, (errmsg("autovacuum: dropping orphan temp table \"%s\".\"%s\" in database \"%s\"", get_namespace_name(classForm->relnamespace), NameStr(classForm->relname), get_database_name(MyDatabaseId)))); object.classId = RelationRelationId; object.objectId = relid; object.objectSubId = 0; performDeletion(&object, DROP_CASCADE, PERFORM_DELETION_INTERNAL); } else { ereport(LOG, (errmsg("autovacuum: found orphan temp table \"%s\".\"%s\" in database \"%s\"", get_namespace_name(classForm->relnamespace), NameStr(classForm->relname), get_database_name(MyDatabaseId)))); } }