gitlab-org--gitlab-foss/db/migrate/20160113111034_add_metrics_sample_interval.rb

class AddMetricsSampleInterval < ActiveRecord::Migration[4.2]
  def change
    add_column :application_settings, :metrics_sample_interval, :integer,
      default: 15
  end
end
Add version 4.2 to all existing migrations DB schema generated by a migration may look different in rails 4 and 5 (because rails 5 may use different default values). For this reason it's important to explicitly set for which rails version a migration was written for. See https://stackoverflow.com/questions/35929869/activerecordmigration-deprecation-warning-asks-for-rails-version-but-im-no/35930912#35930912 2018-11-13 02:27:31 -05:00			`class AddMetricsSampleInterval < ActiveRecord::Migration[4.2]`
Make the metrics sampler interval configurable 2016-01-13 06:29:48 -05:00			`def change`
			`add_column :application_settings, :metrics_sample_interval, :integer,`
			`default: 15`
			`end`
			`end`