Hi All,

I've recently starting programming in RoR.  Here's a question re: the
ActiveRecord validation methods.  Are they transaction safe?

It seems that saving an instance of a model with validation methods
could require multiple db queries.  For example,
validated_uniqueness_of would need to do at least one query to figure
out if the value already exists and then the second query to insert a
new record.

Are these queries contained in a single transaction?  If not, how do
you make sure that they are part of the same transaction?

Thanks for your help!


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