Commits

bitbucket  committed a7898a9 Merge

Merge branch 'master' of https://github.com/rails/rails

  • Participants
  • Parent commits 23ba475, f80a6a5

Comments (0)

Files changed (1)

File guides/source/4_0_release_notes.md

 
 *   Remove IdentityMap.
 
+*   Remove automatic execution of EXPLAIN queries. The option `active_record.auto_explain_threshold_in_seconds` is no longer used and should be removed.
+
 *   Adds `ActiveRecord::NullRelation` and `ActiveRecord::Relation#none` implementing the null object pattern for the Relation class.
 
 *   Added `create_join_table` migration helper to create HABTM join tables.