diff options
Diffstat (limited to 'activerecord/lib')
5 files changed, 25 insertions, 15 deletions
diff --git a/activerecord/lib/active_record/associations/collection_association.rb b/activerecord/lib/active_record/associations/collection_association.rb index 5a323c62e6..b2cf4713bb 100644 --- a/activerecord/lib/active_record/associations/collection_association.rb +++ b/activerecord/lib/active_record/associations/collection_association.rb @@ -246,13 +246,6 @@ module ActiveRecord end end - def distinct - seen = {} - load_target.find_all do |record| - seen[record.id] = true unless seen.key?(record.id) - end - end - # Replace this collection with +other_array+. This will perform a diff # and delete/add only records that have changed. def replace(other_array) diff --git a/activerecord/lib/active_record/associations/collection_proxy.rb b/activerecord/lib/active_record/associations/collection_proxy.rb index 0800639c24..35a98d7090 100644 --- a/activerecord/lib/active_record/associations/collection_proxy.rb +++ b/activerecord/lib/active_record/associations/collection_proxy.rb @@ -718,6 +718,12 @@ module ActiveRecord @association.destroy(*records) end + ## + # :method: distinct + # + # :call-seq: + # distinct(value = true) + # # Specifies whether the records should be unique or not. # # class Person < ActiveRecord::Base @@ -732,10 +738,17 @@ module ActiveRecord # # person.pets.select(:name).distinct # # => [#<Pet name: "Fancy-Fancy">] - def distinct - @association.distinct + # + # person.pets.select(:name).distinct.distinct(false) + # # => [ + # # #<Pet name: "Fancy-Fancy">, + # # #<Pet name: "Fancy-Fancy"> + # # ] + + #-- + def uniq + load_target.uniq end - alias uniq distinct def calculate(operation, column_name) null_scope? ? scope.calculate(operation, column_name) : super diff --git a/activerecord/lib/active_record/connection_adapters/postgresql/oid/hstore.rb b/activerecord/lib/active_record/connection_adapters/postgresql/oid/hstore.rb index a74a044a3a..d629ebca91 100644 --- a/activerecord/lib/active_record/connection_adapters/postgresql/oid/hstore.rb +++ b/activerecord/lib/active_record/connection_adapters/postgresql/oid/hstore.rb @@ -24,6 +24,8 @@ module ActiveRecord def serialize(value) if value.is_a?(::Hash) value.map { |k, v| "#{escape_hstore(k)}=>#{escape_hstore(v)}" }.join(", ") + elsif value.respond_to?(:to_unsafe_h) + serialize(value.to_unsafe_h) else value end diff --git a/activerecord/lib/active_record/null_relation.rb b/activerecord/lib/active_record/null_relation.rb index 254550c378..2bb7ed6d5e 100644 --- a/activerecord/lib/active_record/null_relation.rb +++ b/activerecord/lib/active_record/null_relation.rb @@ -41,12 +41,11 @@ module ActiveRecord end def calculate(operation, _column_name) - if [:count, :sum].include? operation + case operation + when :count, :sum group_values.any? ? Hash.new : 0 - elsif [:average, :minimum, :maximum].include?(operation) && group_values.any? - Hash.new - else - nil + when :average, :minimum, :maximum + group_values.any? ? Hash.new : nil end end diff --git a/activerecord/lib/active_record/relation.rb b/activerecord/lib/active_record/relation.rb index 8b30a48c1c..6f602e4a23 100644 --- a/activerecord/lib/active_record/relation.rb +++ b/activerecord/lib/active_record/relation.rb @@ -362,6 +362,9 @@ module ActiveRecord # # # Update all books that match conditions, but limit it to 5 ordered by date # Book.where('title LIKE ?', '%Rails%').order(:created_at).limit(5).update_all(author: 'David') + # + # # Update all invoices and set the number column to its id value. + # Invoice.update_all('number = id') def update_all(updates) raise ArgumentError, "Empty list of attributes to change" if updates.blank? |