fixin.me/db/migrate/20250121230456_create_readouts.rb

16 lines
537 B
Ruby

class CreateReadouts < ActiveRecord::Migration[7.2]
def change
create_table :readouts do |t|
t.references :user, null: false, foreign_key: true
t.references :quantity, null: false, foreign_key: true
t.references :unit, foreign_key: true
t.decimal :value, null: false, precision: 30, scale: 15
#t.references :collector, foreign_key: true
#t.references :device, foreign_key: true
t.timestamps null: false
end
add_index :readouts, [:quantity_id, :created_at], unique: true
end
end