Class: CreateUses
- Inherits:
-
ActiveRecord::Migration
- Object
- ActiveRecord::Migration
- CreateUses
- Defined in:
- lib/db/migrate/016_create_uses.rb
Class Method Summary collapse
Class Method Details
.down ⇒ Object
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# File 'lib/db/migrate/016_create_uses.rb', line 14 def self.down drop_table :uses end |
.up ⇒ Object
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# File 'lib/db/migrate/016_create_uses.rb', line 2 def self.up create_table "uses", id: false, force: :cascade do |t| t.integer "signal_id" t.integer "bus_id" end add_index "uses", ["signal_id", "bus_id"], name: "index_uses_on_signal_id_and_bus_id", unique: true, using: :btree add_foreign_key "uses", "signals" add_foreign_key "uses", "buses" end |