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path: root/db/post_migrate/20170206101030_validate_foreign_keys_on_timelogs.rb
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# See http://doc.gitlab.com/ce/development/migration_style_guide.html
# for more information on how to write migrations for GitLab.

class ValidateForeignKeysOnTimelogs < ActiveRecord::Migration
  include Gitlab::Database::MigrationHelpers

  DOWNTIME = false

  # When using the methods "add_concurrent_index" or "add_column_with_default"
  # you must disable the use of transactions as these methods can not run in an
  # existing transaction. When using "add_concurrent_index" make sure that this
  # method is the _only_ method called in the migration, any other changes
  # should go in a separate migration. This ensures that upon failure _only_ the
  # index creation fails and can be retried or reverted easily.
  #
  # To disable transactions uncomment the following line and remove these
  # comments:
  disable_ddl_transaction!

  def up
    if Gitlab::Database.postgresql?
      execute <<-EOF
        ALTER TABLE timelogs VALIDATE CONSTRAINT "fk_timelogs_issues_issue_id";
        ALTER TABLE timelogs VALIDATE CONSTRAINT "fk_timelogs_merge_requests_merge_request_id";
      EOF
    end
  end

  def down
    # noop
  end
end