gitlab-org--gitlab-foss/db/migrate/20150324155957_set_incorrec...

class SetIncorrectAssigneeIdToNull < ActiveRecord::Migration[4.2]
  def up
    execute "UPDATE issues SET assignee_id = NULL WHERE assignee_id = -1"
    execute "UPDATE merge_requests SET assignee_id = NULL WHERE assignee_id = -1"
  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 07:27:31 +00:00			`class SetIncorrectAssigneeIdToNull < ActiveRecord::Migration[4.2]`
Add migration. 2015-03-24 16:00:56 +00:00			`def up`
			`execute "UPDATE issues SET assignee_id = NULL WHERE assignee_id = -1"`
			`execute "UPDATE merge_requests SET assignee_id = NULL WHERE assignee_id = -1"`
			`end`
			`end`