diff options
Diffstat (limited to 'activerecord')
| -rw-r--r-- | activerecord/CHANGELOG.md | 41 | ||||
| -rw-r--r-- | activerecord/lib/active_record/relation/query_methods.rb | 21 | ||||
| -rw-r--r-- | activerecord/lib/active_record/relation/where_clause.rb | 14 | ||||
| -rw-r--r-- | activerecord/test/cases/relation/where_clause_test.rb | 2 | ||||
| -rw-r--r-- | activerecord/test/cases/relation/where_test.rb | 55 |
5 files changed, 118 insertions, 15 deletions
diff --git a/activerecord/CHANGELOG.md b/activerecord/CHANGELOG.md index 485547f036..adc7e754a4 100644 --- a/activerecord/CHANGELOG.md +++ b/activerecord/CHANGELOG.md @@ -1,3 +1,44 @@ +* Deprecate `where.not` working as NOR and will be changed to NAND in Rails 6.1. + + ```ruby + all = [treasures(:diamond), treasures(:sapphire), cars(:honda), treasures(:sapphire)] + assert_equal all, PriceEstimate.all.map(&:estimate_of) + ``` + + In Rails 6.0: + + ```ruby + sapphire = treasures(:sapphire) + + nor = all.reject { |e| + e.estimate_of_type == sapphire.class.polymorphic_name + }.reject { |e| + e.estimate_of_id == sapphire.id + } + assert_equal [cars(:honda)], nor + + without_sapphire = PriceEstimate.where.not( + estimate_of_type: sapphire.class.polymorphic_name, estimate_of_id: sapphire.id + ) + assert_equal nor, without_sapphire.map(&:estimate_of) + ``` + + In Rails 6.1: + + ```ruby + sapphire = treasures(:sapphire) + + nand = all - [sapphire] + assert_equal [treasures(:diamond), cars(:honda)], nand + + without_sapphire = PriceEstimate.where.not( + estimate_of_type: sapphire.class.polymorphic_name, estimate_of_id: sapphire.id + ) + assert_equal nand, without_sapphire.map(&:estimate_of) + ``` + + *Ryuta Kamizono* + * Fix dirty tracking after rollback. Fixes #15018, #30167, #33868. diff --git a/activerecord/lib/active_record/relation/query_methods.rb b/activerecord/lib/active_record/relation/query_methods.rb index 5d3cea6741..f30428d0a5 100644 --- a/activerecord/lib/active_record/relation/query_methods.rb +++ b/activerecord/lib/active_record/relation/query_methods.rb @@ -41,18 +41,31 @@ module ActiveRecord # # User.where.not(name: %w(Ko1 Nobu)) # # SELECT * FROM users WHERE name NOT IN ('Ko1', 'Nobu') - # - # User.where.not(name: "Jon", role: "admin") - # # SELECT * FROM users WHERE name != 'Jon' AND role != 'admin' def not(opts, *rest) opts = sanitize_forbidden_attributes(opts) where_clause = @scope.send(:where_clause_factory).build(opts, rest) @scope.references!(PredicateBuilder.references(opts)) if Hash === opts - @scope.where_clause += where_clause.invert + + if not_behaves_as_nor?(opts) + ActiveSupport::Deprecation.warn(<<~MSG.squish) + NOT conditions will no longer behave as NOR in Rails 6.1. + To continue using NOR conditions, NOT each conditions manually + (`#{ opts.keys.map { |key| ".where.not(#{key.inspect} => ...)" }.join }`). + MSG + @scope.where_clause += where_clause.invert(:nor) + else + @scope.where_clause += where_clause.invert + end + @scope end + + private + def not_behaves_as_nor?(opts) + opts.is_a?(Hash) && opts.size > 1 + end end FROZEN_EMPTY_ARRAY = [].freeze diff --git a/activerecord/lib/active_record/relation/where_clause.rb b/activerecord/lib/active_record/relation/where_clause.rb index 47728aac30..b91b135867 100644 --- a/activerecord/lib/active_record/relation/where_clause.rb +++ b/activerecord/lib/active_record/relation/where_clause.rb @@ -70,7 +70,15 @@ module ActiveRecord predicates == other.predicates end - def invert + def invert(as = :nand) + if predicates.size == 1 + inverted_predicates = [ invert_predicate(predicates.first) ] + elsif as == :nor + inverted_predicates = predicates.map { |node| invert_predicate(node) } + else + inverted_predicates = [ Arel::Nodes::Not.new(ast) ] + end + WhereClause.new(inverted_predicates) end @@ -115,10 +123,6 @@ module ActiveRecord node.respond_to?(:operator) && node.operator == :== end - def inverted_predicates - predicates.map { |node| invert_predicate(node) } - end - def invert_predicate(node) case node when NilClass diff --git a/activerecord/test/cases/relation/where_clause_test.rb b/activerecord/test/cases/relation/where_clause_test.rb index 0b06cec40b..b26a1a1d80 100644 --- a/activerecord/test/cases/relation/where_clause_test.rb +++ b/activerecord/test/cases/relation/where_clause_test.rb @@ -106,7 +106,7 @@ class ActiveRecord::Relation Arel::Nodes::Not.new(random_object) ]) - assert_equal expected, original.invert + assert_equal expected, original.invert(:nor) end test "except removes binary predicates referencing a given column" do diff --git a/activerecord/test/cases/relation/where_test.rb b/activerecord/test/cases/relation/where_test.rb index b045184d7d..2ecccfe1f3 100644 --- a/activerecord/test/cases/relation/where_test.rb +++ b/activerecord/test/cases/relation/where_test.rb @@ -115,13 +115,58 @@ module ActiveRecord assert_equal expected.to_sql, actual.to_sql end - def test_polymorphic_shallow_where_not - treasure = treasures(:sapphire) + def test_where_not_polymorphic_association + sapphire = treasures(:sapphire) - expected = [price_estimates(:diamond), price_estimates(:honda)] - actual = PriceEstimate.where.not(estimate_of: treasure) + all = [treasures(:diamond), sapphire, cars(:honda), sapphire] + assert_equal all, PriceEstimate.all.sort_by(&:id).map(&:estimate_of) - assert_equal expected.sort_by(&:id), actual.sort_by(&:id) + actual = PriceEstimate.where.not(estimate_of: sapphire) + only = PriceEstimate.where(estimate_of: sapphire) + + expected = all - [sapphire] + assert_equal expected, actual.sort_by(&:id).map(&:estimate_of) + assert_equal all - expected, only.sort_by(&:id).map(&:estimate_of) + end + + def test_where_not_polymorphic_id_and_type_as_nand + sapphire = treasures(:sapphire) + + all = [treasures(:diamond), sapphire, cars(:honda), sapphire] + assert_equal all, PriceEstimate.all.sort_by(&:id).map(&:estimate_of) + + actual = PriceEstimate.where.yield_self do |where_chain| + where_chain.stub(:not_behaves_as_nor?, false) do + where_chain.not(estimate_of_type: sapphire.class.polymorphic_name, estimate_of_id: sapphire.id) + end + end + only = PriceEstimate.where(estimate_of_type: sapphire.class.polymorphic_name, estimate_of_id: sapphire.id) + + expected = all - [sapphire] + assert_equal expected, actual.sort_by(&:id).map(&:estimate_of) + assert_equal all - expected, only.sort_by(&:id).map(&:estimate_of) + end + + def test_where_not_polymorphic_id_and_type_as_nor_is_deprecated + sapphire = treasures(:sapphire) + + all = [treasures(:diamond), sapphire, cars(:honda), sapphire] + assert_equal all, PriceEstimate.all.sort_by(&:id).map(&:estimate_of) + + message = <<~MSG.squish + NOT conditions will no longer behave as NOR in Rails 6.1. + To continue using NOR conditions, NOT each conditions manually + (`.where.not(:estimate_of_type => ...).where.not(:estimate_of_id => ...)`). + MSG + actual = assert_deprecated(message) do + PriceEstimate.where.not(estimate_of_type: sapphire.class.polymorphic_name, estimate_of_id: sapphire.id) + end + only = PriceEstimate.where(estimate_of_type: sapphire.class.polymorphic_name, estimate_of_id: sapphire.id) + + expected = all - [sapphire] + # NOT (estimate_of_type = 'Treasure' OR estimate_of_id = sapphire.id) matches only `cars(:honda)` unfortunately. + assert_not_equal expected, actual.sort_by(&:id).map(&:estimate_of) + assert_equal all - expected, only.sort_by(&:id).map(&:estimate_of) end def test_polymorphic_nested_array_where |