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-rw-r--r--activerecord/lib/active_record/locking/optimistic.rb22
1 files changed, 11 insertions, 11 deletions
diff --git a/activerecord/lib/active_record/locking/optimistic.rb b/activerecord/lib/active_record/locking/optimistic.rb
index 9f053453bd..6f2b65c137 100644
--- a/activerecord/lib/active_record/locking/optimistic.rb
+++ b/activerecord/lib/active_record/locking/optimistic.rb
@@ -66,6 +66,15 @@ module ActiveRecord
send(lock_col + '=', previous_lock_value + 1)
end
+ def _create_record(attribute_names = self.attribute_names, *) # :nodoc:
+ if locking_enabled?
+ # We always want to persist the locking version, even if we don't detect
+ # a change from the default, since the database might have no default
+ attribute_names |= [self.class.locking_column]
+ end
+ super
+ end
+
def _update_record(attribute_names = self.attribute_names) #:nodoc:
return super unless locking_enabled?
return 0 if attribute_names.empty?
@@ -116,12 +125,8 @@ module ActiveRecord
relation = super
if locking_enabled?
- column_name = self.class.locking_column
- column = self.class.columns_hash[column_name]
- substitute = self.class.connection.substitute_at(column)
-
- relation = relation.where(self.class.arel_table[column_name].eq(substitute))
- relation.bind_values << [column, self[column_name].to_i]
+ locking_column = self.class.locking_column
+ relation = relation.where(locking_column => _read_attribute(locking_column))
end
relation
@@ -185,11 +190,6 @@ module ActiveRecord
super.to_i
end
- def changed?(old_value, *)
- # Ensure we save if the default was `nil`
- super || old_value == 0
- end
-
def init_with(coder)
__setobj__(coder['subtype'])
end