Book.pluck(:id, :title)
# -> [[1, 'foo'], [2, 'bar']]
Book.pluck(:id, :title).to_h
# -> {1: 'foo', 2: 'bar'}
More than 5 years have passed since last update.
Register as a new user and use Qiita more conveniently
- You get articles that match your needs
- You can efficiently read back useful information
- You can use dark theme