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# frozen_string_literal: true
class AddEscalationRules < ActiveRecord::Migration[6.0]
include Gitlab::Database::MigrationHelpers
RULE_SCHEDULE_INDEX_NAME = 'index_on_oncall_schedule_escalation_rule'
UNIQUENESS_INDEX_NAME = 'index_on_policy_schedule_status_elapsed_time_escalation_rules'
def change
create_table :incident_management_escalation_rules do |t|
t.belongs_to :policy, index: false, null: false, foreign_key: { on_delete: :cascade, to_table: :incident_management_escalation_policies }
t.belongs_to :oncall_schedule, index: { name: RULE_SCHEDULE_INDEX_NAME }, null: false, foreign_key: { on_delete: :cascade, to_table: :incident_management_oncall_schedules }
t.integer :status, null: false, limit: 2
t.integer :elapsed_time_seconds, null: false, limit: 4
t.index [:policy_id, :oncall_schedule_id, :status, :elapsed_time_seconds], unique: true, name: UNIQUENESS_INDEX_NAME
end
end
end
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