Merge pull request #7920 from FirebirdSQL/work/gh_7899

FIxed bug #7899 : Inconsistent state of master-detail occurs after RE-connect + 'SET AUTODDL OFF' + 'drop <FK>' which is ROLLED BACK

src/jrd/vio.cpp

@@ -2042,7 +2042,6 @@ bool VIO_erase(thread_db* tdbb, record_param* rpb, jrd_tra* transaction)
 		case rel_pages:
 		case rel_formats:
 		case rel_trans:
-		case rel_rcon:
 		case rel_refc:
 		case rel_ccon:
 		case rel_msgs:
@@ -2309,6 +2308,22 @@ bool VIO_erase(thread_db* tdbb, record_param* rpb, jrd_tra* transaction)
 			DFW_post_work(transaction, dfw_grant, &desc, id);
 			break;
 
+		case rel_rcon:
+			protect_system_table_delupd(tdbb, relation, "DELETE");
+
+			// ensure relation partners is known
+			EVL_field(0, rpb->rpb_record, f_rcon_rname, &desc);
+			{
+				MetaName relation_name;
+				MOV_get_metaname(tdbb, &desc, relation_name);
+				r2 = MET_lookup_relation(tdbb, relation_name);
+				fb_assert(r2);
+
+				if (r2)
+					MET_scan_partners(tdbb, r2);
+			}
+			break;
+
 		case rel_backup_history:
 			if (!tdbb->getAttachment()->locksmith(tdbb, USE_NBACKUP_UTILITY))
 				protect_system_table_delupd(tdbb, relation, "DELETE", true);