RE: numeric comparisons

2010-11-08 Thread Jerry Schwartz
l Satterwhite >Cc: mysql@lists.mysql.com >Subject: Re: numeric comparisons > >On Mon, Nov 8, 2010 at 1:01 PM, Michael Satterwhite >wrote: >> While I don't know why the behavior changed, the comparison of floating >> point >> values has been an issue since the

Re: numeric comparisons

2010-11-08 Thread Larry Martell
On Mon, Nov 8, 2010 at 1:01 PM, Michael Satterwhite wrote: > While I don't know why the behavior changed, the comparison of floating point > values has been an issue since the day computers were created. In the last 10 > - 15 years, the comparisons have worked better, but it's still an issue. The

Re: numeric comparisons

2010-11-08 Thread Peter Brawley
I know I can strip off the trailing zeros from the varchar, but there must be a generic way to cast these so they compare properly as numbers. Cast() may happen to fix some rounding errors, but the only way to be sure of getting rid of such rounding errors in float or double values is to chang