Bryan Lee Nuse <[email protected]> writes:
>> Now you're doubtless wondering why Postgres doesn't dodge this ambiguity
>> for you. 

> This is exactly what I was wondering, of course.  And I follow the reasoning 
> behind why it cannot, at present.  If Postgres can't ensure that the view 
> definition is valid SQL, though, what about the (seemingly more manageable) 
> idea of providing some kind of notice when that definition is not 
> re-loadable?  Perhaps pg_dump could do this?  

I spent considerable time thinking about this last week, and have a
draft patch that fixes this issue and some related ones:
http://archives.postgresql.org/pgsql-hackers/2012-12/msg01694.php
So hopefully this hazard will be gone in 9.3.  I doubt we'd risk
back-patching the change though.

                        regards, tom lane


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