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Allow unscope to work with `where.not`

Allows you to call #unscope on a relation with negative equality operators,
i.e. Arel::Nodes::NotIn and Arel::Nodes::NotEqual that have been generated
through the use of where.not.
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1 parent 7364156 commit b05776581747057c162207d0a857c98fa326c11d @stormsilver stormsilver committed Oct 16, 2013
@@ -1,3 +1,11 @@
+* `ActiveRecord::QueryMethods#unscope` unscopes negative equality
+
+ Allows you to call `#unscope` on a relation with negative equality
+ operators, i.e. `Arel::Nodes::NotIn` and `Arel::Nodes::NotEqual` that have
+ been generated through the use of `where.not`.
+
+ *Eric Hankins*
+
* Raise an exception when model without primary key calls `.find_with_ids`.
*Shimpei Makimoto*
@@ -856,7 +856,7 @@ def where_unscoping(target_value)
where_values.reject! do |rel|
case rel
- when Arel::Nodes::In, Arel::Nodes::Equality
+ when Arel::Nodes::In, Arel::Nodes::NotIn, Arel::Nodes::Equality, Arel::Nodes::NotEqual
subrelation = (rel.left.kind_of?(Arel::Attributes::Attribute) ? rel.left : rel.right)
subrelation.name.to_sym == target_value_sym
else
@@ -122,17 +122,25 @@ def test_unscope_after_reordering_and_combining
end
def test_unscope_with_where_attributes
- expected = Developer.order('salary DESC').collect { |dev| dev.name }
- received = DeveloperOrderedBySalary.where(name: 'David').unscope(where: :name).collect { |dev| dev.name }
+ expected = Developer.order('salary DESC').collect(&:name)
+ received = DeveloperOrderedBySalary.where(name: 'David').unscope(where: :name).collect(&:name)
assert_equal expected, received
- expected_2 = Developer.order('salary DESC').collect { |dev| dev.name }
- received_2 = DeveloperOrderedBySalary.select("id").where("name" => "Jamis").unscope({:where => :name}, :select).collect { |dev| dev.name }
+ expected_2 = Developer.order('salary DESC').collect(&:name)
+ received_2 = DeveloperOrderedBySalary.select("id").where("name" => "Jamis").unscope({:where => :name}, :select).collect(&:name)
assert_equal expected_2, received_2
- expected_3 = Developer.order('salary DESC').collect { |dev| dev.name }
- received_3 = DeveloperOrderedBySalary.select("id").where("name" => "Jamis").unscope(:select, :where).collect { |dev| dev.name }
+ expected_3 = Developer.order('salary DESC').collect(&:name)
+ received_3 = DeveloperOrderedBySalary.select("id").where("name" => "Jamis").unscope(:select, :where).collect(&:name)
assert_equal expected_3, received_3
+
+ expected_4 = Developer.order('salary DESC').collect(&:name)
+ received_4 = DeveloperOrderedBySalary.where.not("name" => "Jamis").unscope(where: :name).collect(&:name)
+ assert_equal expected_4, received_4
+
+ expected_5 = Developer.order('salary DESC').collect(&:name)
+ received_5 = DeveloperOrderedBySalary.where.not("name" => ["Jamis", "David"]).unscope(where: :name).collect(&:name)
+ assert_equal expected_5, received_5
end
def test_unscope_multiple_where_clauses

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