Flowdock
method

ids

Importance_1
Ruby on Rails latest stable (v4.1.8) - 0 notes - Class: ActiveRecord::Calculations
ids() public

Pluck all the ID’s for the relation using the table’s primary key

Person.ids # SELECT people.id FROM people
Person.joins(:companies).ids # SELECT people.id FROM people INNER JOIN companies ON companies.person_id = people.id
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