08 Jun '13, 10pm

Faster eager loading and funky joins

I was able to spend some time on a flight and at home to work on a very annoying performance pit associated with eager loading association’s instantiation code. So, with changeset 8051 , hopefully you should see some performance improvement with eagerloading associations with large data sets ( even 100 rows should be good enough to notice the difference – remember, rails does a big fat assed cartesian join when you eager load multiple associations ) – at the cost of a little extra bit of memory. You can catch the mailing list discussion

Full article: http://m.onkey.org/faster-eager-loading-and-funky-joins

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