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-rw-r--r--activerecord/CHANGELOG.md4
-rw-r--r--activerecord/lib/active_record/associations/collection_association.rb3
-rw-r--r--activerecord/lib/active_record/associations/has_many_through_association.rb16
-rw-r--r--activerecord/lib/active_record/relation/merger.rb6
-rw-r--r--activerecord/test/cases/associations/has_and_belongs_to_many_associations_test.rb8
-rw-r--r--activerecord/test/cases/associations/has_many_through_associations_test.rb52
-rw-r--r--activerecord/test/cases/relation_test.rb8
-rw-r--r--activerecord/test/models/author.rb3
-rw-r--r--activerecord/test/models/auto_id.rb4
-rw-r--r--activerecord/test/models/car.rb3
-rw-r--r--activerecord/test/models/citation.rb3
-rw-r--r--activerecord/test/models/club.rb1
-rw-r--r--activerecord/test/models/company.rb2
-rw-r--r--activerecord/test/models/member.rb1
-rw-r--r--activerecord/test/models/movie.rb4
-rw-r--r--activerecord/test/models/post.rb1
-rw-r--r--activerecord/test/models/project.rb1
-rw-r--r--activerecord/test/models/topic.rb1
18 files changed, 92 insertions, 29 deletions
diff --git a/activerecord/CHANGELOG.md b/activerecord/CHANGELOG.md
index 9041f9d33b..d2f2c745a0 100644
--- a/activerecord/CHANGELOG.md
+++ b/activerecord/CHANGELOG.md
@@ -1,3 +1,7 @@
+* Fix `AR::Relation#merge` sometimes failing to preserve `readonly(false)` flag.
+
+ *thedarkone*
+
* Re-use `order` argument pre-processing for `reorder`.
*Paul Nikitochkin*
diff --git a/activerecord/lib/active_record/associations/collection_association.rb b/activerecord/lib/active_record/associations/collection_association.rb
index 228c500f0a..8744a57355 100644
--- a/activerecord/lib/active_record/associations/collection_association.rb
+++ b/activerecord/lib/active_record/associations/collection_association.rb
@@ -542,7 +542,8 @@ module ActiveRecord
def include_in_memory?(record)
if reflection.is_a?(ActiveRecord::Reflection::ThroughReflection)
- owner.send(reflection.through_reflection.name).any? { |source|
+ assoc = owner.association(reflection.through_reflection.name)
+ assoc.reader.any? { |source|
target = source.send(reflection.source_reflection.name)
target.respond_to?(:include?) ? target.include?(record) : target == record
} || target.include?(record)
diff --git a/activerecord/lib/active_record/associations/has_many_through_association.rb b/activerecord/lib/active_record/associations/has_many_through_association.rb
index a74dd1cdab..56331bbb0b 100644
--- a/activerecord/lib/active_record/associations/has_many_through_association.rb
+++ b/activerecord/lib/active_record/associations/has_many_through_association.rb
@@ -140,7 +140,21 @@ module ActiveRecord
case method
when :destroy
- count = scope.destroy_all.length
+ if scope.klass.primary_key
+ count = scope.destroy_all.length
+ else
+ scope.to_a.each do |record|
+ record.run_callbacks :destroy
+ end
+
+ arel = scope.arel
+
+ stmt = Arel::DeleteManager.new arel.engine
+ stmt.from scope.klass.arel_table
+ stmt.wheres = arel.constraints
+
+ count = scope.klass.connection.delete(stmt, 'SQL', scope.bind_values)
+ end
when :nullify
count = scope.update_all(source_reflection.foreign_key => nil)
else
diff --git a/activerecord/lib/active_record/relation/merger.rb b/activerecord/lib/active_record/relation/merger.rb
index 530c47d0d0..c05632e688 100644
--- a/activerecord/lib/active_record/relation/merger.rb
+++ b/activerecord/lib/active_record/relation/merger.rb
@@ -58,7 +58,11 @@ module ActiveRecord
def merge
normal_values.each do |name|
value = values[name]
- relation.send("#{name}!", *value) unless value.blank?
+ # The unless clause is here mostly for performance reasons (since the `send` call might be moderately
+ # expensive), most of the time the value is going to be `nil` or `.blank?`, the only catch is that
+ # `false.blank?` returns `true`, so there needs to be an extra check so that explicit `false` values
+ # don't fall through the cracks.
+ relation.send("#{name}!", *value) unless value.nil? || (value.blank? && false != value)
end
merge_multi_values
diff --git a/activerecord/test/cases/associations/has_and_belongs_to_many_associations_test.rb b/activerecord/test/cases/associations/has_and_belongs_to_many_associations_test.rb
index 712a770133..bb927841ab 100644
--- a/activerecord/test/cases/associations/has_and_belongs_to_many_associations_test.rb
+++ b/activerecord/test/cases/associations/has_and_belongs_to_many_associations_test.rb
@@ -605,6 +605,10 @@ class HasAndBelongsToManyAssociationsTest < ActiveRecord::TestCase
end
def test_join_table_alias
+ # FIXME: `references` has no impact on the aliases generated for the join
+ # query. The fact that we pass `:developers_projects_join` to `references`
+ # and that the SQL string contains `developers_projects_join` is merely a
+ # coincidence.
assert_equal(
3,
Developer.references(:developers_projects_join).merge(
@@ -615,6 +619,10 @@ class HasAndBelongsToManyAssociationsTest < ActiveRecord::TestCase
end
def test_join_with_group
+ # FIXME: `references` has no impact on the aliases generated for the join
+ # query. The fact that we pass `:developers_projects_join` to `references`
+ # and that the SQL string contains `developers_projects_join` is merely a
+ # coincidence.
group = Developer.columns.inject([]) do |g, c|
g << "developers.#{c.name}"
g << "developers_projects_2.#{c.name}"
diff --git a/activerecord/test/cases/associations/has_many_through_associations_test.rb b/activerecord/test/cases/associations/has_many_through_associations_test.rb
index 541f649ae9..dd8b426b25 100644
--- a/activerecord/test/cases/associations/has_many_through_associations_test.rb
+++ b/activerecord/test/cases/associations/has_many_through_associations_test.rb
@@ -65,6 +65,52 @@ class HasManyThroughAssociationsTest < ActiveRecord::TestCase
end
def test_no_pk_join_table_append
+ lesson, _, student = make_no_pk_hm_t
+
+ sicp = lesson.new(:name => "SICP")
+ ben = student.new(:name => "Ben Bitdiddle")
+ sicp.students << ben
+ assert sicp.save!
+ end
+
+ def test_no_pk_join_table_delete
+ lesson, lesson_student, student = make_no_pk_hm_t
+
+ sicp = lesson.new(:name => "SICP")
+ ben = student.new(:name => "Ben Bitdiddle")
+ louis = student.new(:name => "Louis Reasoner")
+ sicp.students << ben
+ sicp.students << louis
+ assert sicp.save!
+
+ sicp.students.reload
+ assert_operator lesson_student.count, :>=, 2
+ assert_no_difference('student.count') do
+ assert_difference('lesson_student.count', -2) do
+ sicp.students.destroy(*student.all.to_a)
+ end
+ end
+ end
+
+ def test_no_pk_join_model_callbacks
+ lesson, lesson_student, student = make_no_pk_hm_t
+
+ after_destroy_called = false
+ lesson_student.after_destroy do
+ after_destroy_called = true
+ end
+
+ sicp = lesson.new(:name => "SICP")
+ ben = student.new(:name => "Ben Bitdiddle")
+ sicp.students << ben
+ assert sicp.save!
+
+ sicp.students.reload
+ sicp.students.destroy(*student.all.to_a)
+ assert after_destroy_called, "after destroy should be called"
+ end
+
+ def make_no_pk_hm_t
lesson = make_model 'Lesson'
student = make_model 'Student'
@@ -75,11 +121,7 @@ class HasManyThroughAssociationsTest < ActiveRecord::TestCase
lesson_student.belongs_to :student, :class => student
lesson.has_many :lesson_students, :class => lesson_student
lesson.has_many :students, :through => :lesson_students, :class => student
-
- sicp = lesson.new(:name => "SICP")
- ben = student.new(:name => "Ben Bitdiddle")
- sicp.students << ben
- assert sicp.save!
+ [lesson, lesson_student, student]
end
def test_pk_is_not_required_for_join
diff --git a/activerecord/test/cases/relation_test.rb b/activerecord/test/cases/relation_test.rb
index a327b0d3e5..e77de19ac3 100644
--- a/activerecord/test/cases/relation_test.rb
+++ b/activerecord/test/cases/relation_test.rb
@@ -193,6 +193,14 @@ module ActiveRecord
assert_equal ['foo = bar'], relation.where_values
end
+ def test_merging_readonly_false
+ relation = Relation.new FakeKlass, :b
+ readonly_false_relation = relation.readonly(false)
+ # test merging in both directions
+ assert_equal false, relation.merge(readonly_false_relation).readonly_value
+ assert_equal false, readonly_false_relation.merge(relation).readonly_value
+ end
+
def test_relation_merging_with_merged_joins_as_symbols
special_comments_with_ratings = SpecialComment.joins(:ratings)
posts_with_special_comments_with_ratings = Post.group("posts.id").joins(:special_comments).merge(special_comments_with_ratings)
diff --git a/activerecord/test/models/author.rb b/activerecord/test/models/author.rb
index feb828de31..7dad8041f3 100644
--- a/activerecord/test/models/author.rb
+++ b/activerecord/test/models/author.rb
@@ -8,9 +8,7 @@ class Author < ActiveRecord::Base
has_many :posts_sorted_by_id_limited, -> { order('posts.id').limit(1) }, :class_name => "Post"
has_many :posts_with_categories, -> { includes(:categories) }, :class_name => "Post"
has_many :posts_with_comments_and_categories, -> { includes(:comments, :categories).order("posts.id") }, :class_name => "Post"
- has_many :posts_containing_the_letter_a, :class_name => "Post"
has_many :posts_with_special_categorizations, :class_name => 'PostWithSpecialCategorization'
- has_many :posts_with_extension, :class_name => "Post"
has_one :post_about_thinking, -> { where("posts.title like '%thinking%'") }, :class_name => 'Post'
has_one :post_about_thinking_with_last_comment, -> { where("posts.title like '%thinking%'").includes(:last_comment) }, :class_name => 'Post'
has_many :comments, through: :posts do
@@ -32,7 +30,6 @@ class Author < ActiveRecord::Base
has_many :welcome_posts, -> { where(:title => 'Welcome to the weblog') }, :class_name => 'Post'
has_many :comments_desc, -> { order('comments.id DESC') }, :through => :posts, :source => :comments
- has_many :limited_comments, -> { limit(1) }, :through => :posts, :source => :comments
has_many :funky_comments, :through => :posts, :source => :comments
has_many :ordered_uniq_comments, -> { distinct.order('comments.id') }, :through => :posts, :source => :comments
has_many :ordered_uniq_comments_desc, -> { distinct.order('comments.id DESC') }, :through => :posts, :source => :comments
diff --git a/activerecord/test/models/auto_id.rb b/activerecord/test/models/auto_id.rb
index d720e2be5e..82c6544bd5 100644
--- a/activerecord/test/models/auto_id.rb
+++ b/activerecord/test/models/auto_id.rb
@@ -1,4 +1,4 @@
class AutoId < ActiveRecord::Base
- def self.table_name () "auto_id_tests" end
- def self.primary_key () "auto_id" end
+ self.table_name = "auto_id_tests"
+ self.primary_key = "auto_id"
end
diff --git a/activerecord/test/models/car.rb b/activerecord/test/models/car.rb
index a14a9febba..6d257dbe7e 100644
--- a/activerecord/test/models/car.rb
+++ b/activerecord/test/models/car.rb
@@ -1,12 +1,9 @@
class Car < ActiveRecord::Base
-
has_many :bulbs
has_many :funky_bulbs, class_name: 'FunkyBulb', dependent: :destroy
has_many :foo_bulbs, -> { where(:name => 'foo') }, :class_name => "Bulb"
- has_many :frickinawesome_bulbs, -> { where :frickinawesome => true }, :class_name => "Bulb"
has_one :bulb
- has_one :frickinawesome_bulb, -> { where :frickinawesome => true }, :class_name => "Bulb"
has_many :tyres
has_many :engines, :dependent => :destroy
diff --git a/activerecord/test/models/citation.rb b/activerecord/test/models/citation.rb
index 545aa8110d..3d87eb795c 100644
--- a/activerecord/test/models/citation.rb
+++ b/activerecord/test/models/citation.rb
@@ -1,6 +1,3 @@
class Citation < ActiveRecord::Base
belongs_to :reference_of, :class_name => "Book", :foreign_key => :book2_id
-
- belongs_to :book1, :class_name => "Book", :foreign_key => :book1_id
- belongs_to :book2, :class_name => "Book", :foreign_key => :book2_id
end
diff --git a/activerecord/test/models/club.rb b/activerecord/test/models/club.rb
index 816c5e6937..566e0873f1 100644
--- a/activerecord/test/models/club.rb
+++ b/activerecord/test/models/club.rb
@@ -2,7 +2,6 @@ class Club < ActiveRecord::Base
has_one :membership
has_many :memberships, :inverse_of => false
has_many :members, :through => :memberships
- has_many :current_memberships
has_one :sponsor
has_one :sponsored_member, :through => :sponsor, :source => :sponsorable, :source_type => "Member"
belongs_to :category
diff --git a/activerecord/test/models/company.rb b/activerecord/test/models/company.rb
index c5d4ec0833..8104c607b5 100644
--- a/activerecord/test/models/company.rb
+++ b/activerecord/test/models/company.rb
@@ -49,7 +49,6 @@ class Firm < Company
has_many :clients_like_ms, -> { where("name = 'Microsoft'").order("id") }, :class_name => "Client"
has_many :clients_like_ms_with_hash_conditions, -> { where(:name => 'Microsoft').order("id") }, :class_name => "Client"
has_many :plain_clients, :class_name => 'Client'
- has_many :readonly_clients, -> { readonly }, :class_name => 'Client'
has_many :clients_using_primary_key, :class_name => 'Client',
:primary_key => 'name', :foreign_key => 'firm_name'
has_many :clients_using_primary_key_with_delete_all, :class_name => 'Client',
@@ -167,7 +166,6 @@ class ExclusivelyDependentFirm < Company
has_one :account, :foreign_key => "firm_id", :dependent => :delete
has_many :dependent_sanitized_conditional_clients_of_firm, -> { order("id").where("name = 'BigShot Inc.'") }, :foreign_key => "client_of", :class_name => "Client", :dependent => :delete_all
has_many :dependent_conditional_clients_of_firm, -> { order("id").where("name = ?", 'BigShot Inc.') }, :foreign_key => "client_of", :class_name => "Client", :dependent => :delete_all
- has_many :dependent_hash_conditional_clients_of_firm, -> { order("id").where(:name => 'BigShot Inc.') }, :foreign_key => "client_of", :class_name => "Client", :dependent => :delete_all
end
class SpecialClient < Client
diff --git a/activerecord/test/models/member.rb b/activerecord/test/models/member.rb
index cc47c7bc18..72095f9236 100644
--- a/activerecord/test/models/member.rb
+++ b/activerecord/test/models/member.rb
@@ -2,7 +2,6 @@ class Member < ActiveRecord::Base
has_one :current_membership
has_one :selected_membership
has_one :membership
- has_many :fellow_members, :through => :club, :source => :members
has_one :club, :through => :current_membership
has_one :selected_club, :through => :selected_membership, :source => :club
has_one :favourite_club, -> { where "memberships.favourite = ?", true }, :through => :membership, :source => :club
diff --git a/activerecord/test/models/movie.rb b/activerecord/test/models/movie.rb
index 6384b4c801..c441be2bef 100644
--- a/activerecord/test/models/movie.rb
+++ b/activerecord/test/models/movie.rb
@@ -1,5 +1,3 @@
class Movie < ActiveRecord::Base
- def self.primary_key
- "movieid"
- end
+ self.primary_key = "movieid"
end
diff --git a/activerecord/test/models/post.rb b/activerecord/test/models/post.rb
index 25fb2cffe2..452d54580a 100644
--- a/activerecord/test/models/post.rb
+++ b/activerecord/test/models/post.rb
@@ -130,7 +130,6 @@ class Post < ActiveRecord::Base
has_many :secure_readers
has_many :readers_with_person, -> { includes(:person) }, :class_name => "Reader"
has_many :people, :through => :readers
- has_many :secure_people, :through => :secure_readers
has_many :single_people, :through => :readers
has_many :people_with_callbacks, :source=>:person, :through => :readers,
:before_add => lambda {|owner, reader| log(:added, :before, reader.first_name) },
diff --git a/activerecord/test/models/project.rb b/activerecord/test/models/project.rb
index c094b726b4..7f42a4b1f8 100644
--- a/activerecord/test/models/project.rb
+++ b/activerecord/test/models/project.rb
@@ -1,7 +1,6 @@
class Project < ActiveRecord::Base
has_and_belongs_to_many :developers, -> { distinct.order 'developers.name desc, developers.id desc' }
has_and_belongs_to_many :readonly_developers, -> { readonly }, :class_name => "Developer"
- has_and_belongs_to_many :selected_developers, -> { distinct.select "developers.*" }, :class_name => "Developer"
has_and_belongs_to_many :non_unique_developers, -> { order 'developers.name desc, developers.id desc' }, :class_name => 'Developer'
has_and_belongs_to_many :limited_developers, -> { limit 1 }, :class_name => "Developer"
has_and_belongs_to_many :developers_named_david, -> { where("name = 'David'").distinct }, :class_name => "Developer"
diff --git a/activerecord/test/models/topic.rb b/activerecord/test/models/topic.rb
index 17035bf338..40c8e97fc2 100644
--- a/activerecord/test/models/topic.rb
+++ b/activerecord/test/models/topic.rb
@@ -34,7 +34,6 @@ class Topic < ActiveRecord::Base
has_many :replies, :dependent => :destroy, :foreign_key => "parent_id"
has_many :approved_replies, -> { approved }, class_name: 'Reply', foreign_key: "parent_id", counter_cache: 'replies_count'
- has_many :replies_with_primary_key, :class_name => "Reply", :dependent => :destroy, :primary_key => "title", :foreign_key => "parent_title"
has_many :unique_replies, :dependent => :destroy, :foreign_key => "parent_id"
has_many :silly_unique_replies, :dependent => :destroy, :foreign_key => "parent_id"