18 lines
531 B
Ruby
18 lines
531 B
Ruby
class CreateMaintenanceSchedules < ActiveRecord::Migration[8.1]
|
|
def change
|
|
create_table :maintenance_schedules do |t|
|
|
t.references :vehicle, null: false, foreign_key: true
|
|
t.string :maintenance_type, null: false
|
|
t.integer :mileage_interval, null: false
|
|
t.integer :time_interval, null: false
|
|
|
|
t.timestamps
|
|
end
|
|
|
|
add_index :maintenance_schedules,
|
|
"vehicle_id, lower(maintenance_type)",
|
|
unique: true,
|
|
name: "index_maintenance_schedules_on_vehicle_and_lower_type"
|
|
end
|
|
end
|