module ActiveRecord::QueryMethods


● Implement check_if_method_has_arguments! method for Rails 3


Public Instance Methods

build_arel(*args) click to toggle source
# File lib/left_joins.rb, line 53
def build_arel(*args)
  arel = build_arel_without_outer_joins(*args)
  build_left_outer_joins(arel, @left_outer_joins_values) if @left_outer_joins_values
  return arel
end
build_joins(manager, joins, join_type = nil) click to toggle source
# File lib/left_joins.rb, line 60
def build_joins(manager, joins, join_type = nil)
  Thread.current.thread_variable_set(:left_joins_join_type, join_type)
  result = build_joins_without_join_type(manager, joins)
  Thread.current.thread_variable_set(:left_joins_join_type, nil)
  return result
end
build_left_outer_joins(manager, joins) click to toggle source
# File lib/left_joins.rb, line 67
def build_left_outer_joins(manager, joins)
  result = build_joins(manager, joins, Arel::Nodes::OuterJoin)
  return result
end
check_if_method_has_arguments!(method_name, args) click to toggle source
# File lib/left_joins_for_rails_3.rb, line 5
def check_if_method_has_arguments!(method_name, args)
  if args.blank?
    raise ArgumentError, "The method .#{method_name}() must contain arguments."
  end
end
left_outer_joins(*args) click to toggle source
# File lib/left_joins.rb, line 33
def left_outer_joins(*args)
  check_if_method_has_arguments!(:left_outer_joins, args)

  args.compact!
  args.flatten!
  self.distinct_value = false if self.distinct_value == nil

  return (LeftJoins::IS_RAILS3_FLAG ? clone : spawn).left_outer_joins!(*args)
end
left_outer_joins!(*args) click to toggle source
# File lib/left_joins.rb, line 43
def left_outer_joins!(*args)
  left_outer_joins_values.concat(args)
  self
end
left_outer_joins_values() click to toggle source
# File lib/left_joins.rb, line 29
def left_outer_joins_values
  @left_outer_joins_values ||= []
end