Change foreign key on delete cascade to on delete set null
Resolves
@@ -126,3 +126,5 @@ ALTER TABLE DatabaseBackupStorageRefVO ADD CONSTRAINT fkDatabaseBackupStorageRef
ALTER TABLE EcsImageVO ADD COLUMN `osName` varchar(256) DEFAULT NULL;
ALTER TABLE EventSubscriptionVO ADD COLUMN name varchar(255) DEFAULT NULL;
+
+ALTER TABLE `VolumeBackupVO` DROP FOREIGN KEY `fkVolumeBackupVOVolumeEO`;
