Method: ActiveRecord::QueryMethods#uniq

Defined in:
lib/active_record/relation/query_methods.rb

#uniq(value = true) ⇒ Object

Specifies whether the records should be unique or not. For example:

User.select(:name)
# => Might return two records with the same name

User.select(:name).uniq
# => Returns 1 record per unique name

User.select(:name).uniq.uniq(false)
# => You can also remove the uniqueness



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# File 'lib/active_record/relation/query_methods.rb', line 201

def uniq(value = true)
  relation = clone
  relation.uniq_value = value
  relation
end