[Info-ingres] Column added to base table not in view

Why running the following script gives an error message
E_US0836 line 1, Column 'c' not found in any specified table.
?

---------------------------------
create table tmp00 (a i1, b i1);
create view tmp00_vw as select * from tmp00;

alter table tmp00 add column c i1;
select c from tmp00_vw;
rollback;
\g

This is why we do not use SELECT * in production code. It may or may
not be re-executed, depending wher it appears. You now know that a
VIEW is defined once with expanded column names.