On Tue, Oct 7, 2014 at 11:02 AM, Tom Lane <[email protected]> wrote:
> Roughly speaking it's the pairs that have a binary (WITHOUT FUNCTION)
> coercion according to pg_cast, although we have special logic for a few
> cases such as varchar(M) -> varchar(N).
That ones?
select t1.typname, t2.typname
from pg_cast, pg_type as t1, pg_type as t2
where
t1.oid = castsource and t2.oid = casttarget and
castmethod = 'b' order by 1, 2;
--
Kind regards,
Sergey Konoplev
PostgreSQL Consultant and DBA
http://www.linkedin.com/in/grayhemp
+1 (415) 867-9984, +7 (499) 346-7196, +7 (988) 888-1979
[email protected]
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