Re: Function returns wrong data after datatype change - Mailing list pgsql-bugs

From Tom Lane
Subject Re: Function returns wrong data after datatype change
Date
Msg-id 2978.1169659473@sss.pgh.pa.us
Whole thread Raw
In response to Function returns wrong data after datatype change  (Jeff Trout <threshar@torgo.978.org>)
Responses Re: Function returns wrong data after datatype change
List pgsql-bugs
Jeff Trout <threshar@threshar.is-a-geek.com> writes:
> I just ran across this, and I do not think it is entirely a PG bug or
> even something that the backend can detect and handle.
> The problem stems from swapping a table definition from under a
> function.

Hmm.  This should yield an error (SQL function not returning the type
it claims to), and we probably should plug the hole by invoking
check_sql_fn_retval every time not just at creation.

I thought you were about to complain about plpgsql, which has much worse
problems due to plan caching...

            regards, tom lane

pgsql-bugs by date:

Previous
From: Tom Lane
Date:
Subject: Re: BUG #2895: Private Use Unicode character crashes server when using ILIKE
Next
From: Jeff Trout
Date:
Subject: Re: Function returns wrong data after datatype change