instance method
distinct
Ruby on Rails 8.0.4
Since v4.0.13Signature
distinct(value = true)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).distinct
# Returns 1 record per distinct name
User.select(:name).distinct.distinct(false)
# You can also remove the uniqueness
Parameters
-
valueopt = true
Source
# File activerecord/lib/active_record/relation/query_methods.rb, line 1410
def distinct(value = true)
spawn.distinct!(value)
end
Defined in activerecord/lib/active_record/relation/query_methods.rb line 1410
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Defined in ActiveRecord::QueryMethods