debian-mirror-gitlab/db/migrate/20190905022045_add_issues_prometheus_alert_event_join_table.rb
2019-12-21 20:55:43 +05:30

23 lines
737 B
Ruby

# frozen_string_literal: true
class AddIssuesPrometheusAlertEventJoinTable < ActiveRecord::Migration[5.2]
include Gitlab::Database::MigrationHelpers
DOWNTIME = false
def change
create_table :issues_prometheus_alert_events, id: false do |t|
t.references :issue, null: false,
index: false, # Uses the index below
foreign_key: { on_delete: :cascade }
t.references :prometheus_alert_event, null: false,
index: { name: 'issue_id_issues_prometheus_alert_events_index' },
foreign_key: { on_delete: :cascade }
t.timestamps_with_timezone
t.index [:issue_id, :prometheus_alert_event_id],
unique: true, name: 'issue_id_prometheus_alert_event_id_index'
end
end
end