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-rw-r--r--activerecord/lib/active_record/relation.rb9
1 files changed, 5 insertions, 4 deletions
diff --git a/activerecord/lib/active_record/relation.rb b/activerecord/lib/active_record/relation.rb
index 333ad16e11..7a8f9abb36 100644
--- a/activerecord/lib/active_record/relation.rb
+++ b/activerecord/lib/active_record/relation.rb
@@ -2,7 +2,7 @@ module ActiveRecord
# = Active Record \Relation
class Relation
MULTI_VALUE_METHODS = [:includes, :eager_load, :preload, :select, :group,
- :order, :joins, :left_joins, :left_outer_joins, :references,
+ :order, :joins, :left_outer_joins, :references,
:extending, :unscope]
SINGLE_VALUE_METHODS = [:limit, :offset, :lock, :readonly, :reordering,
@@ -18,6 +18,7 @@ module ActiveRecord
attr_reader :table, :klass, :loaded, :predicate_builder
alias :model :klass
alias :loaded? :loaded
+ alias :locked? :locked
def initialize(klass, table, predicate_builder, values = {})
@klass = klass
@@ -403,9 +404,9 @@ module ActiveRecord
#
# Note: Updating a large number of records will run an
# UPDATE query for each record, which may cause a performance
- # issue. So if it is not needed to run callbacks for each update, it is
- # preferred to use #update_all for updating all records using
- # a single query.
+ # issue. When running callbacks is not needed for each record update,
+ # it is preferred to use #update_all for updating all records
+ # in a single query.
def update(id = :all, attributes)
if id.is_a?(Array)
id.map.with_index { |one_id, idx| update(one_id, attributes[idx]) }