module ActiveScaffold::OuterJoins

Attributes

outer_joins_values[RW]

Public Instance Methods

build_arel() click to toggle source
Calls superclass method
# File lib/active_scaffold/extensions/left_outer_joins.rb, line 45
def build_arel
  if outer_joins_values.empty?
    super
  else
    relation = except(:outer_joins)
    join_dependency = ActiveRecord::Associations::JoinDependency.new(@klass, outer_joins_values, [])
    join_dependency.join_associations.each do |association|
      relation = association.join_relation(relation)
    end
    relation.build_arel
  end
end
outer_joins(*args) click to toggle source
# File lib/active_scaffold/extensions/left_outer_joins.rb, line 11
def outer_joins(*args)
  return self if args.compact.blank?

  relation = clone

  args.flatten!
  relation.joins_values += [''] # HACK: for using outer_joins in update_all/delete_all
  relation.outer_joins_values += args

  relation
end
outer_joins!(*args) click to toggle source
# File lib/active_scaffold/extensions/left_outer_joins.rb, line 37
def outer_joins!(*args)
  self.joins_values += [''] # HACK: for using outer_joins in update_all/delete_all
  self.outer_joins_values += args
  self
end
outer_joins_values=(values) click to toggle source
# File lib/active_scaffold/extensions/left_outer_joins.rb, line 27
def outer_joins_values=(values)
  raise ImmutableRelation if @loaded
  @values[:outer_joins] = values
end