method

ids

v6.1.3.1 - Show latest stable - 0 notes - Class: ActiveRecord::Calculations

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What's this?

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

Show source

# File activerecord/lib/active_record/relation/calculations.rb, line 233
    def ids
      pluck primary_key
    end

ids

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