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-rw-r--r--activerecord/lib/active_record/locking/optimistic.rb7
-rw-r--r--activerecord/test/cases/locking_test.rb19
2 files changed, 23 insertions, 3 deletions
diff --git a/activerecord/lib/active_record/locking/optimistic.rb b/activerecord/lib/active_record/locking/optimistic.rb
index 3c7110369b..f8fcb7ccaa 100644
--- a/activerecord/lib/active_record/locking/optimistic.rb
+++ b/activerecord/lib/active_record/locking/optimistic.rb
@@ -62,8 +62,8 @@ module ActiveRecord
def increment_lock
lock_col = self.class.locking_column
- previous_lock_value = send(lock_col).to_i
- send(lock_col + "=", previous_lock_value + 1)
+ previous_lock_value = send(lock_col)
+ send("#{lock_col}=", previous_lock_value + 1)
end
def _create_record(attribute_names = self.attribute_names, *)
@@ -107,7 +107,8 @@ module ActiveRecord
# If something went wrong, revert the locking_column value.
rescue Exception
- send(lock_col + "=", previous_lock_value.to_i)
+ send("#{lock_col}=", previous_lock_value.to_i)
+
raise
end
end
diff --git a/activerecord/test/cases/locking_test.rb b/activerecord/test/cases/locking_test.rb
index 3a3b8e51f9..2b139a5da4 100644
--- a/activerecord/test/cases/locking_test.rb
+++ b/activerecord/test/cases/locking_test.rb
@@ -167,6 +167,12 @@ class OptimisticLockingTest < ActiveRecord::TestCase
assert_equal 0, p1.lock_version
end
+ def test_lock_new_when_explicitly_passing_value
+ p1 = Person.new(first_name: "Douglas Adams", lock_version: 42)
+ p1.save!
+ assert_equal 42, p1.lock_version
+ end
+
def test_touch_existing_lock
p1 = Person.find(1)
assert_equal 0, p1.lock_version
@@ -186,6 +192,19 @@ class OptimisticLockingTest < ActiveRecord::TestCase
end
end
+ def test_explicit_update_lock_column_raise_error
+ person = Person.find(1)
+
+ assert_raises(ActiveRecord::StaleObjectError) do
+ person.first_name = "Douglas Adams"
+ person.lock_version = 42
+
+ assert person.lock_version_changed?
+
+ person.save
+ end
+ end
+
def test_lock_column_name_existing
t1 = LegacyThing.find(1)
t2 = LegacyThing.find(1)