fixes bug#20466

dev:valdir
qua:

git-svn-id: http://desenvolvimento.rjconsultores.com.br/repositorio/sco/BD/FlyWay/trunk@103407 d1611594-4594-4d17-8e1d-87c2c4800839

src/db/migration/V20200922_1050__mantis20466.sql

@@ -0,0 +1,12 @@
+declare
+    object_exists exception;
+    except_00957  exception;
+ 
+    pragma exception_init (object_exists , -01430);
+    pragma exception_init (except_00957 , -00957);
+begin
+    execute immediate 'ALTER TABLE CLASE_SERVICIO MODIFY TIPOSERVICOBPE NUMBER(2)';
+    exception 
+       when object_exists then null;
+       when except_00957 then null;
+end;