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| -rw-r--r-- | activerecord/CHANGELOG | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/activerecord/CHANGELOG b/activerecord/CHANGELOG index a3e3051b96..f46db909ba 100644 --- a/activerecord/CHANGELOG +++ b/activerecord/CHANGELOG @@ -1,5 +1,16 @@ *Rails 3.1.0 (unreleased)* +* ActiveRecord::Base#dup and ActiveRecord::Base#clone semantics have changed +to closer match normal Ruby dup and clone semantics. + +* Calling ActiveRecord::Base#clone will result in a shallow copy of the record, +including copying the frozen state. No callbacks will be called. + +* Calling ActiveRecord::Base#dup will duplicate the record, including calling +after initialize hooks. Frozen state will not be copied, and all associations +will be cleared. A duped record will return true for new_record?, have a nil +id field, and is saveable. + * Migrations can be defined as reversible, meaning that the migration system will figure out how to reverse your migration. To use reversible migrations, just define the "change" method. For example: |