Correction, MySQL is not returning floor, since it returns 2 for round(1.5). - I
didn't see it.
MySQL should not return 2 for round(2.5), but it should return 3. I think it's
MySQL bug.

How about ask in MySQL mailing list?

--
Yasuo Ohgaki


""Yasuo Ohgaki"" <[EMAIL PROTECTED]> wrote in message
9b60qv$v9b$[EMAIL PROTECTED]">news:9b60qv$v9b$[EMAIL PROTECTED]...
> MySQL is returning floor. (I'm not a MySQL heavy user, though :)
>
> PHP's result is correct for its function name, I think.
> If MySQL returns floor for round(), how about use floor() in PHP?
>
> Regards,
> --
> Yasuo Ohgaki
>
>
> "Lee Howard" <[EMAIL PROTECTED]> wrote in message
> [EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> > Using MySQL 3.23.32 on RedHat Linux 7.0...
> >
> > MySQL's ROUND function rounds 5 up when the preceding digit is odd and down
> > when the preceding digit is even.
> >
> > mysql> select round(1.5);
> > +------------+
> > | round(1.5) |
> > +------------+
> > |          2 |
> > +------------+
> > 1 row in set (0.00 sec)
> >
> > mysql> select round(2.5);
> > +------------+
> > | round(2.5) |
> > +------------+
> > |          2 |
> > +------------+
> > 1 row in set (0.00 sec)
> >
> > I think that this is technically the correct behavior, scientifically,
> > anyway.  However, this is not the common "lay-man's" method of rounding,
> > which is to always round 5 up, as exhibited by PHP-4.0.4pl1...
> >
> > <? echo round(1.5); ?>
> > <br>
> > <? echo round(2.5); ?>
> >
> > Apache 1.3.14 output for this is:
> >
> > 2
> > 3
> >
> > This discrepancy causes a difficulty in programming PHP and MySQL together,
> > for example, because all of the rounding must be done in either PHP or
> > MySQL but not both partially unless you want conflicting data.
> >
> > I would like to see MySQL ROUND() syntax expand to be ROUND(X,D,M) where
> > optional M value indicates the method of rounding, the default being the
> > current method.
> >
> > I would also like to see PHP round() syntax expand to be
> > double round (double val [, int precision] [, char method])
> > where the optional method value indicates the method of rounding, the
> > default being the current method.
> >
> > Thanks.
> >
> > Lee Howard
> >
> >
> > --
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> >
>
>
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