instance method `limited_ids_for`

Ruby on Rails 5.2.8.1

Since v4.1.16 Last seen in v6.1.7.10 Private

Available in: v4.1.16 v4.2.9 v5.2.8.1 v6.0.6 v6.1.7.10

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limited_ids_for(relation)

No documentation comment.

Parameters

relation req

Source

# File activerecord/lib/active_record/relation/finder_methods.rb, line 404
      def limited_ids_for(relation)
        values = @klass.connection.columns_for_distinct(
          connection.column_name_from_arel_node(arel_attribute(primary_key)),
          relation.order_values
        )

        relation = relation.except(:select).select(values).distinct!

        id_rows = skip_query_cache_if_necessary { @klass.connection.select_all(relation.arel, "SQL") }
        id_rows.map { |row| row[primary_key] }
      end

Defined in activerecord/lib/active_record/relation/finder_methods.rb line 404 · View on GitHub · Improve this page · Find usages on GitHub

Defined in ActiveRecord::FinderMethods

Signature

Parameters