Considering the following finder methods of ActiveRecord.
.take
. Example. Account.take
.limit(1)
Example. Account.limit(1)
Now, both methods althought have different names but they generate the same query:
SELECT "accounts".* FROM "accounts" LIMIT 1
So, what is the difference between .take
& .limit(1)
? or they are the same?
take Gives a record (or N records if a parameter is supplied) without any implied order. The order will depend on the database implementation.
An instance of ActiveRecord::Base is an object that represents a specific row of your database (or might be saved into the database). Whereas an instance of ActiveRecord::Relation is a representation of a query that can be run against your database (but wasn't run yet).
Active Record is the M in MVC - the model - which is the layer of the system responsible for representing business data and logic. Active Record facilitates the creation and use of business objects whose data requires persistent storage to a database.
From the docs
# File activerecord/lib/active_record/relation/finder_methods.rb, line 64
def take(limit = nil)
limit ? limit(limit).to_a : find_take
end
take
returns an Array
of records while limit
returns an ActiveRecord Relation that can be chained with other relations.
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