Ticket #8976: simple_optimized_exists.diff

File simple_optimized_exists.diff, 0.7 kB (added by hasmanyjosh, 1 year ago)
AR::Base exists? speedup

activerecord/lib/active_record/base.rb

old	new
447	447	# Person.exists?(:name => "David")
448	448	# Person.exists?(['name LIKE ?', "%#{query}%"])
449	449	def exists?(id_or_conditions)
450		!find(:first, :conditions => expand_id_conditions(id_or_conditions)).nil?
	450	!find(:first, :select => "#{table_name}.#{primary_key}", :conditions => expand_id_conditions(id_or_conditions)).nil?
451	451	rescue ActiveRecord::ActiveRecordError
452	452	false
453	453	end