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-rw-r--r--activerecord/lib/active_record/persistence.rb4
-rw-r--r--activerecord/test/cases/dirty_test.rb19
2 files changed, 22 insertions, 1 deletions
diff --git a/activerecord/lib/active_record/persistence.rb b/activerecord/lib/active_record/persistence.rb
index 88b971327b..0b1000fcf9 100644
--- a/activerecord/lib/active_record/persistence.rb
+++ b/activerecord/lib/active_record/persistence.rb
@@ -703,7 +703,8 @@ module ActiveRecord
# Updates the associated record with values matching those of the instance attributes.
# Returns the number of affected rows.
- def _update_record(attribute_names = self.attribute_names)
+ def _update_record(attribute_names = self.column_names)
+ attribute_names &= self.class.column_names
attributes_values = arel_attributes_with_values_for_update(attribute_names)
if attributes_values.empty?
rows_affected = 0
@@ -721,6 +722,7 @@ module ActiveRecord
# Creates a record with values matching those of the instance attributes
# and returns its id.
def _create_record(attribute_names = self.attribute_names)
+ attribute_names &= self.class.column_names
attributes_values = arel_attributes_with_values_for_create(attribute_names)
new_id = self.class._insert_record(attributes_values)
diff --git a/activerecord/test/cases/dirty_test.rb b/activerecord/test/cases/dirty_test.rb
index 14c4e3cbd4..d1a7366f5f 100644
--- a/activerecord/test/cases/dirty_test.rb
+++ b/activerecord/test/cases/dirty_test.rb
@@ -736,6 +736,25 @@ class DirtyTest < ActiveRecord::TestCase
assert record.save
end
+ test "virtual attributes are not written with partial_writes off" do
+ original_partial_writes = ActiveRecord::Base.partial_writes
+ begin
+ ActiveRecord::Base.partial_writes = false
+ klass = Class.new(ActiveRecord::Base) do
+ self.table_name = "people"
+ attribute :non_persisted_attribute, :string
+ end
+
+ record = klass.new(first_name: "Sean")
+ record.non_persisted_attribute_will_change!
+
+ assert_predicate record, :non_persisted_attribute_changed?
+ assert record.save
+ ensure
+ ActiveRecord::Base.partial_writes = original_partial_writes
+ end
+ end
+
test "mutating and then assigning doesn't remove the change" do
pirate = Pirate.create!(catchphrase: "arrrr")
pirate.catchphrase << " matey!"