gitlab-org--gitlab-foss/db/post_migrate/20170609183112_remove_position_from_issuables.rb

class RemovePositionFromIssuables < ActiveRecord::Migration[4.2]
  DOWNTIME = false

  def change
    remove_column :issues, :position, :integer
    remove_column :merge_requests, :position, :integer
  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 RemovePositionFromIssuables < ActiveRecord::Migration[4.2]`
Migration - Remove position field from issues and merge requests 2017-06-09 14:34:58 -04:00			`DOWNTIME = false`

			`def change`
			`remove_column :issues, :position, :integer`
			`remove_column :merge_requests, :position, :integer`
			`end`
			`end`