Problem with Postgres ALTER TABLE

Question

I have one problem with the ALTER TABLE in postgre. I want to change size of the varchar column. When I try to do this, It says that the view is dependent on that column. I can\

Answer 1

I have run into this problem and couldn't find any way around it. Unfortunately, as best I can tell, one must drop the views, alter the column type on the underlying table, and then recreate the views. This can happen entirely in a single transaction.

Constraint deferral doesn't apply to this problem. In other words, even SET CONSTRAINTS ALL DEFERRED has no impact on this limitation. To be specific, constraint deferral does not apply to the consistency check that prints ERROR: cannot alter type of a column used by a view or rule when one tries to alter the type of a column underlying a view.