On Thu, Dec 10, 2015 at 2:47 PM, Tom Lane <t...@sss.pgh.pa.us> wrote:
> Robert Haas <robertmh...@gmail.com> writes:
>> This patch, or something nearby, seems to have changed the number of
>> significant figures produced by log() and maybe some of the other
>> functions this patch touched.
>
> Yeah, not surprising.
>
>> It's certainly not obvious from the commit message that this change
>> was expected.
>
> That's on me as author of the commit message, I guess.  The rscale
> in most of these functions is exactly the number of fraction digits
> that will be emitted, and we changed the rules for computing it.
> Not by much, in most cases.  I don't think we should be too worried
> about being bug-compatible with the old behavior.

It seems to be a loss of 4 digits in every case I've seen.

-- 
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company


-- 
Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org)
To make changes to your subscription:
http://www.postgresql.org/mailpref/pgsql-hackers

Reply via email to