19 Feb '14, 7pm

Blurrggghhh post about making ActiveRecord 2x faster.

Active Record creates an instance of an ActiveRecord::Relation that contains the information that you passed to where , or order , or whatever you called. As soon as you call a method that turns this Relation instance in to an array, Active Record does a transformation on the relation objects. It turns the relation objects in to ARel objects which represent the SQL query AST. Finally, it converts the AST to an actually SQL string and passes that string to the database.

Full article: http://tenderlovemaking.com/2014/02/19/adequaterecord-pro...

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