method

length

Ruby on Rails latest stable (v7.1.3.2) - 0 notes - Class: ActiveRecord::Associations::AssociationCollection

1.0.0
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2.0.3
2.1.0 (0)
2.2.1 (9)
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3.0.9 (-1)
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7.1.3.4
What's this?

Method deprecated or moved

This method is deprecated or moved on the latest stable version. The last existing version (v3.0.9) is shown here.

These similar methods exist in v7.1.3.2:

ActiveRecord::ConnectionAdapters::StatementPool#length
ActionDispatch::Journey::Path::Pattern::MatchData#length
ActionDispatch::Journey::Routes#length
ActiveRecord::Associations::CollectionProxy#length
ActiveRecord::Result#length
ActionView::CollectionRenderer::CollectionIterator#length

length() public

Returns the size of the collection calling size on the target.

If the collection has been already loaded length and size are equivalent. If not and you are going to need the records anyway this method will take one less query. Otherwise size is more efficient.

Show source

# File activerecord/lib/active_record/associations/association_collection.rb, line 313
      def length
        load_target.size
      end

length

Related methods

Method deprecated or moved