1 files changed, 6 insertions, 6 deletions
diff --git a/activerecord/lib/active_record/relation.rb b/activerecord/lib/active_record/relation.rb
index 561ed222d1..7df50f7c97 100644
--- a/activerecord/lib/active_record/relation.rb
+++ b/activerecord/lib/active_record/relation.rb
@@ -327,7 +327,7 @@ module ActiveRecord
     def update_all(updates)
       raise ArgumentError, "Empty list of attributes to change" if updates.blank?
 
-      stmt = Arel::UpdateManager.new(arel.engine)
+      stmt = Arel::UpdateManager.new
 
       stmt.set Arel.sql(@klass.send(:sanitize_sql_for_assignment, updates))
       stmt.table(table)
@@ -400,7 +400,7 @@ module ActiveRecord
       if conditions
         where(conditions).destroy_all
       else
-        to_a.each {|object| object.destroy }.tap { reset }
+        to_a.each(&:destroy).tap { reset }
       end
     end
 
@@ -465,7 +465,7 @@ module ActiveRecord
       if conditions
         where(conditions).delete_all
       else
-        stmt = Arel::DeleteManager.new(arel.engine)
+        stmt = Arel::DeleteManager.new
         stmt.from(table)
 
         if joins_values.any?
@@ -644,7 +644,7 @@ module ActiveRecord
         preloader.preload @records, associations
       end
 
-      @records.each { |record| record.readonly! } if readonly_value
+      @records.each(&:readonly!) if readonly_value
 
       @loaded = true
       @records
@@ -666,7 +666,7 @@ module ActiveRecord
       joined_tables += [table.name, table.table_alias]
 
       # always convert table names to downcase as in Oracle quoted table names are in uppercase
-      joined_tables = joined_tables.flatten.compact.map { |t| t.downcase }.uniq
+      joined_tables = joined_tables.flatten.compact.map(&:downcase).uniq
 
       (references_values - joined_tables).any?
     end
@@ -675,7 +675,7 @@ module ActiveRecord
       return [] if string.blank?
       # always convert table names to downcase as in Oracle quoted table names are in uppercase
       # ignore raw_sql_ that is used by Oracle adapter as alias for limit/offset subqueries
-      string.scan(/([a-zA-Z_][.\w]+).?\./).flatten.map{ |s| s.downcase }.uniq - ['raw_sql_']
+      string.scan(/([a-zA-Z_][.\w]+).?\./).flatten.map(&:downcase).uniq - ['raw_sql_']
     end
   end
 end