ruby on rails - Scoping behavior around find_each -


I have a lot of records in a table that I'm trying to change to use find_each. Is that if I have an opportunity with which I am using a find_each and I think that for some records I am changing that value, will those affected records also be found? For example, if I do something like this: 

  User.where (classification: zero) .find_each do | U | If u.age & gt; 21 u.update! (Classification: "Accepted") User.where (Classification: Zero). Where (age> 21) .each do | Others | Other users will know that I was updated even while processing the previous user, still can be processed in search_elected on which scod has been changed on the value they were?  
  
 
 
 I do not think it will end after the search_each list has been updated. It uses the primary key as sort and does not kill the ID again in subsequent loops.  
 Edit  
 Sorry - I think what you are asking now. Yes, it will affect all the classifications so that they can remain zero because no one will return an external batch to another batch.

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