Comments on: MySQL SUM() Doesn’t Play Well With Floats http://codytaylor.org/2009/10/mysql-sum-doesnt-play-well-with-floats.html From Cody Taylor. Thu, 13 Oct 2011 06:41:44 -0700 http://wordpress.org/?v=2.8.4 hourly 1 By: SeanJA http://codytaylor.org/2009/10/mysql-sum-doesnt-play-well-with-floats.html/comment-page-1#comment-4510 SeanJA Thu, 29 Oct 2009 11:29:14 +0000 http://codytaylor.org/?p=14302#comment-4510 No one expects the Floating Point! No one expects the Floating Point!

]]> By: Dominik Winter http://codytaylor.org/2009/10/mysql-sum-doesnt-play-well-with-floats.html/comment-page-1#comment-4509 Dominik Winter Thu, 29 Oct 2009 11:05:51 +0000 http://codytaylor.org/?p=14302#comment-4509 use double instead of float see http://dev.mysql.com/doc/refman/5.0/en/problems-with-float.html use double instead of float
see http://dev.mysql.com/doc/refman/5.0/en/problems-with-float.html

]]> By: Cody Taylor http://codytaylor.org/2009/10/mysql-sum-doesnt-play-well-with-floats.html/comment-page-1#comment-4506 Cody Taylor Wed, 28 Oct 2009 17:11:06 +0000 http://codytaylor.org/?p=14302#comment-4506 Thanks for the comment. And I agree that it's not really a bug. That is exactly what that bug report that I linked to said. It is odd behavior though and I had to google a bit before I understood what was going on. Thanks for the comment. And I agree that it’s not really a bug. That is exactly what that bug report that I linked to said. It is odd behavior though and I had to google a bit before I understood what was going on.

]]> By: Giamba http://codytaylor.org/2009/10/mysql-sum-doesnt-play-well-with-floats.html/comment-page-1#comment-4505 Giamba Wed, 28 Oct 2009 16:14:10 +0000 http://codytaylor.org/?p=14302#comment-4505 I dont't think it is actually a bug. FLOAT just store floating numbers using a binary representation so there are some subtle aspects to keep in account in the binary-decimal conversion. Indeed float is not the right type for representing money. http://docs.sun.com/source/806-3568/ncg_goldberg.html I dont’t think it is actually a bug. FLOAT just store floating numbers using a binary representation so there are some subtle aspects to keep in account in the binary-decimal conversion.
Indeed float is not the right type for representing money.

http://docs.sun.com/source/806-3568/ncg_goldberg.html

]]> By: Cody Taylor (codytaylor) 's status on Wednesday, 28-Oct-09 00:47:06 UTC - Identi.ca http://codytaylor.org/2009/10/mysql-sum-doesnt-play-well-with-floats.html/comment-page-1#comment-4502 Cody Taylor (codytaylor) 's status on Wednesday, 28-Oct-09 00:47:06 UTC - Identi.ca Wed, 28 Oct 2009 00:47:10 +0000 http://codytaylor.org/?p=14302#comment-4502 [...] MySQL SUM() Doesn't Play Well With Floats http://codytaylor.org/2009/10/mysql-sum-doesnt-play-well-with-floats.html [...] [...] MySQL SUM() Doesn't Play Well With Floats http://codytaylor.org/2009/10/mysql-sum-doesnt-play-well-with-floats.html [...]

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