Clean possible leftovers in domainlist_by_group, adlist_by_group, and client_by_group before copying from database base to avoid foreign key violations.

Signed-off-by: DL6ER <dl6er@dl6er.de>

advanced/Templates/gravity_copy.sql

@@ -12,14 +12,17 @@ INSERT OR REPLACE INTO "group" SELECT * FROM OLD."group";
 INSERT OR REPLACE INTO domain_audit SELECT * FROM OLD.domain_audit;
 
 INSERT OR REPLACE INTO domainlist SELECT * FROM OLD.domainlist;
+DELETE FROM domainlist_by_group WHERE domainlist_id NOT IN (SELECT id FROM domainlist);
 INSERT OR REPLACE INTO domainlist_by_group SELECT * FROM OLD.domainlist_by_group;
 
 INSERT OR REPLACE INTO adlist SELECT * FROM OLD.adlist;
+DELETE FROM adlist_by_group WHERE adlist_id NOT IN (SELECT id FROM adlist);
 INSERT OR REPLACE INTO adlist_by_group SELECT * FROM OLD.adlist_by_group;
 
 INSERT OR REPLACE INTO info SELECT * FROM OLD.info;
 
 INSERT OR REPLACE INTO client SELECT * FROM OLD.client;
+DELETE FROM client_by_group WHERE client_id NOT IN (SELECT id FROM client);
 INSERT OR REPLACE INTO client_by_group SELECT * FROM OLD.client_by_group;