db/routines/vn/triggers/zone_beforeInsert.sql

@@ -4,5 +4,9 @@ CREATE OR REPLACE DEFINER=`vn`@`localhost` TRIGGER `vn`.`zone_beforeInsert`
 	FOR EACH ROW
 BEGIN
 	SET NEW.editorFk = account.myUser_getId();
+
+	IF NEW.priceOptimum = 0 THEN
+		SET NEW.priceOptimum = NEW.price;
+	END IF;
 END$$
 DELIMITER ;

db/routines/vn/triggers/zone_beforeUpdate.sql

@@ -4,5 +4,9 @@ CREATE OR REPLACE DEFINER=`vn`@`localhost` TRIGGER `vn`.`zone_beforeUpdate`
 	FOR EACH ROW
 BEGIN
 	SET NEW.editorFk = account.myUser_getId();
+
+	IF NEW.priceOptimum = 0 THEN
+		CALL util.throw('The priceOptimum cannot be 0');
+	END IF;
 END$$
 DELIMITER ;

db/versions/11445-brownDendro/00-firstScript.sql

@@ -0,0 +1,3 @@
+UPDATE vn.zone
+	SET priceOptimum = price
+	WHERE priceOptimum = 0;