method

association_join

Ruby on Rails latest stable (v2.3.4) - 0 notes - Class: ActiveRecord::Associations::ClassMethods

1.0.0 (0)
v1.1.0
v1.1.1
v1.1.2
v1.1.3
v1.1.4
v1.1.5
v1.1.6
v1.2.0
v1.2.1
v1.2.2
v1.2.3
v1.2.4
v1.2.5
v1.2.6
v2.0.0
v2.0.1
v2.0.2
v2.0.3
v2.1.0
v2.2.1
v2.3.2
v2.3.4
What's this?

Method deprecated

This method is deprecated on the latest stable version of Rails. The last existing version (v1.0.0) is shown here.

association_join(reflection) private

No documentation

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

Hide source

# File activerecord/lib/active_record/associations.rb, line 1013
        def association_join(reflection)
          case reflection.macro
            when :has_and_belongs_to_many
              " LEFT OUTER JOIN #{reflection.options[:join_table]} ON " +
              "#{reflection.options[:join_table]}.#{reflection.options[:foreign_key] || table_name.classify.foreign_key} = " +
              "#{table_name}.#{primary_key} " +
              " LEFT OUTER JOIN #{reflection.klass.table_name} ON " +
              "#{reflection.options[:join_table]}.#{reflection.options[:association_foreign_key] || reflection.klass.table_name.classify.foreign_key} = " +
              "#{reflection.klass.table_name}.#{reflection.klass.primary_key} "
            when :has_many, :has_one
              " LEFT OUTER JOIN #{reflection.klass.table_name} ON " +
              "#{reflection.klass.table_name}.#{reflection.options[:foreign_key] || table_name.classify.foreign_key} = " +
              "#{table_name}.#{primary_key} "
            when :belongs_to
              " LEFT OUTER JOIN #{reflection.klass.table_name} ON " +
              "#{reflection.klass.table_name}.#{reflection.klass.primary_key} = " +
              "#{table_name}.#{reflection.options[:foreign_key] || reflection.klass.table_name.classify.foreign_key} "
            else
              ""
          end          
        end

association_join

Related methods

Method deprecated

No documentation