Ticket #10605: using_select_value.diff

File using_select_value.diff, 0.9 kB (added by protocool, 6 months ago)
Again, same as original, bu also eliminates sql variable and uses select_value connection call

activerecord/lib/active_record/base.rb

old	new
548	548	# Person.exists?(:name => "David")
549	549	# Person.exists?(['name LIKE ?', "%#{query}%"])
550	550	def exists?(id_or_conditions)
551		!find(:first, :select => "#{quoted_table_name}.#{primary_key}",
552		:conditions => expand_id_conditions(id_or_conditions)).nil?
	551	!connection.select_value(
	552	construct_finder_sql(:select => "#{quoted_table_name}.#{primary_key}",
	553	:conditions => expand_id_conditions(id_or_conditions), :limit => 1),
	554	"#{name} Exists"
	555	).nil?
553	556	end
554	557
555	558	# Creates an object (or multiple objects) and saves it to the database, if validations pass.