sort insert columns for better cache hits

9951af02 · Aaron Patterson · 199c0bb3 · 9951af02
隐藏空白更改
内联并排

Showing with 1 addition and 1 deletion

activerecord/lib/active_record/relation.rb activerecord/lib/active_record/relation.rb +1 -1

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--- a/activerecord/lib/active_record/relation.rb
+++ b/activerecord/lib/active_record/relation.rb
@@ -50,7 +50,7 @@ def insert(values)

      conn = @klass.connection

-      substitutes = values.to_a
+      substitutes = values.sort_by { |arel_attr,_| arel_attr.name }
      binds       = substitutes.map do |arel_attr, value|
        [@klass.columns_hash[arel_attr.name], value]
      end