"build" is slow on large has_many association collection

William_Pratt · November 30, 2007, 12:25am

Yep. I believe this issue crept up again in 1.2.5 but was removed in 1.2.6. It was loading the entire association unnecessarily.

-Bill

Wes Gamble wrote:

William_Pratt · November 30, 2007, 12:57am

I know. I believe this is the TRAC ticket:

Wes Gamble wrote:

Topic		Replies	Views
Has_many association rubyonrails-talk	2	89	January 30, 2007
The more associations, the slower the app rubyonrails-talk	0	130	September 17, 2006
Eager loading optimization patch rubyonrails-core	3	138	October 29, 2007
AssociationCollection#include? ignoring build associated objects rubyonrails-core	0	155	December 1, 2009
Review Request for Significant Performance Improvement in ActiveRecord rubyonrails-core	6	189	March 3, 2008