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-rw-r--r--railties/guides/source/3_2_release_notes.textile2
1 files changed, 2 insertions, 0 deletions
diff --git a/railties/guides/source/3_2_release_notes.textile b/railties/guides/source/3_2_release_notes.textile
index 8b242df179..379b7472c6 100644
--- a/railties/guides/source/3_2_release_notes.textile
+++ b/railties/guides/source/3_2_release_notes.textile
@@ -298,6 +298,8 @@ h3. Active Record
* Boolean columns with 'on' and 'ON' values are type casted to true.
+* When the +timestamps+ method creates the +created_at+ and +updated_at+ columns, it makes them non-nullable by default.
+
* Implemented <tt>ActiveRecord::Relation#explain</tt>.
* Implements <tt>AR::Base.silence_auto_explain</tt> which allows the user to selectively disable automatic EXPLAINs within a block.