method

preloaders_for_reflection

Ruby on Rails latest stable (v7.1.3.2) - 0 notes - Class: Branch

1.0.0
1.1.6
1.2.6
2.0.3
2.1.0
2.2.1
2.3.8
3.0.0
3.0.9
3.1.0
3.2.1
3.2.8
3.2.13
4.0.2
4.1.8
4.2.1
4.2.7
4.2.9
5.0.0.1
5.1.7
5.2.3
6.0.0
6.1.3.1
6.1.7.7
7.0.0 (0)
7.1.3.2 (0)
7.1.3.4 (0)
What's this?

preloaders_for_reflection(reflection, reflection_records) public

No documentation

This method has no description. You can help the Ruby on Rails community by adding new notes.

# File activerecord/lib/active_record/associations/preloader/branch.rb, line 85
        def preloaders_for_reflection(reflection, reflection_records)
          reflection_records.group_by do |record|
            klass = record.association(association).klass

            if reflection.scope && reflection.scope.arity != 0
              # For instance dependent scopes, the scope is potentially
              # different for each record. To allow this we'll group each
              # object separately into its own preloader
              reflection_scope = reflection.join_scopes(klass.arel_table, klass.predicate_builder, klass, record).inject(&:merge!)
            end

            [klass, reflection_scope]
          end.map do |(rhs_klass, reflection_scope), rs|
            preloader_for(reflection).new(rhs_klass, rs, reflection, scope, reflection_scope, associate_by_default)
          end
        end

preloaders_for_reflection

Related methods

No documentation