Jian Lin wrote:
>  Save and destroy are automatically wrapped in a transaction
>
> so i think create is also invoking a save... 


i just read from Learning Rails the book (p.50 if remembered correctly) 
that

create is 3 operations in one: it has a new, an assignment of values, 
and a save, so create involves a save, and therefore is in a transaction 
by itself.

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