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Merge pull request #18471 from ahmad-alkheat/master

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Added the SQL equivalent of the find_by method. [ci skip]
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Rafael Mendonça França 2015-01-13 13:20:08 -02:00
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guides/source/active_record_querying.md
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@ -257,6 +257,12 @@ It is equivalent to writing:
Client.where(first_name: 'Lifo').take
```
The SQL equivalent of the above is:
```sql
SELECT * FROM clients WHERE (clients.first_name = 'Lifo') LIMIT 1
```
The `find_by!` method behaves exactly like `find_by`, except that it will raise `ActiveRecord::RecordNotFound` if no matching record is found. For example:
```ruby