What are scopes in Active Record?
Scopes in Active Record are custom queries that allow you to encapsulate common query logic in a reusable way.
Can you give me an example of how to define a scope?
Sure! You can define a scope in your model like this: scope :active, -> { where(active: true) }
.
How do I use that scope in a query?
You can use it like this: User.active
to retrieve all users where the active attribute is true.
Are there any built-in scopes in Active Record?
Yes, Active Record provides built-in scopes like order
, limit
, and where
that you can use in your queries.
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