With DataMapper i can iterate through properties and select one(s) of type Serial.
Any straightforward way to do this in ActiveRecord?
With DataMapper i can iterate through properties and select one(s) of type Serial .
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With DataMapper i can iterate through properties and select one(s) of type Serial.
Any straightforward way to do this in ActiveRecord?
You can call
YourModel.arel_table.primary_key.name. Or better yet,YourModel.primary_key.