diff options
Diffstat (limited to 'activerecord/lib/active_record/relation')
| -rw-r--r-- | activerecord/lib/active_record/relation/calculations.rb | 3 | ||||
| -rw-r--r-- | activerecord/lib/active_record/relation/query_methods.rb | 4 |
2 files changed, 5 insertions, 2 deletions
diff --git a/activerecord/lib/active_record/relation/calculations.rb b/activerecord/lib/active_record/relation/calculations.rb index 6bf3050af9..50239f7cb2 100644 --- a/activerecord/lib/active_record/relation/calculations.rb +++ b/activerecord/lib/active_record/relation/calculations.rb @@ -177,6 +177,9 @@ module ActiveRecord # Person.where(:confirmed => true).limit(5).pluck(:id) # def pluck(column_name) + if column_name.is_a?(Symbol) && column_names.include?(column_name.to_s) + column_name = "#{table_name}.#{column_name}" + end klass.connection.select_all(select(column_name).arel).map! do |attributes| klass.type_cast_attribute(attributes.keys.first, klass.initialize_attributes(attributes)) end diff --git a/activerecord/lib/active_record/relation/query_methods.rb b/activerecord/lib/active_record/relation/query_methods.rb index b6d762c2e2..87dd513880 100644 --- a/activerecord/lib/active_record/relation/query_methods.rb +++ b/activerecord/lib/active_record/relation/query_methods.rb @@ -206,8 +206,8 @@ module ActiveRecord # Any subsequent condition chained to the returned relation will continue # generating an empty relation and will not fire any query to the database. # - # This is useful in scenarios where you need a chainable response to a method - # or a scope that could return zero results. + # Used in cases where a method or scope could return zero records but the + # result needs to be chainable. # # For example: # |