Module: ActiveRecord::FinderMethods

Defined in:
ext/active_record/finder_methods.rb

Defined Under Namespace

Classes: SunstoneJoinDependency

Instance Method Summary collapse

Instance Method Details

#apply_join_dependency(eager_loading: group_values.empty?) ⇒ Object 



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# File 'ext/active_record/finder_methods.rb', line 203

def apply_join_dependency(eager_loading: group_values.empty?)
  if connection.is_a?(ActiveRecord::ConnectionAdapters::SunstoneAPIAdapter)
    join_dependency = SunstoneJoinDependency.new(base_class)
    relation = except(:includes, :eager_load, :preload)
    relation.arel.eager_load = Arel::Nodes::EagerLoad.new(eager_load_values)
  else
    join_dependency = construct_join_dependency(
      eager_load_values | includes_values, Arel::Nodes::OuterJoin
    )
    relation = except(:includes, :eager_load, :preload).joins!(join_dependency)
  end

  if eager_loading && has_limit_or_offset? && !(
      using_limitable_reflections?(join_dependency.reflections) &&
      using_limitable_reflections?(
        construct_join_dependency(
          select_association_list(joins_values).concat(
            select_association_list(left_outer_joins_values)
          ), nil
        ).reflections
      )
    )
    if !connection.is_a?(ActiveRecord::ConnectionAdapters::SunstoneAPIAdapter)
      relation = skip_query_cache_if_necessary do
        klass.connection.distinct_relation_for_primary_key(relation)
      end
    end
  end

  if block_given?
    yield relation, join_dependency
  else
    relation
  end
end