Class: CreateChips

Inherits:
ActiveRecord::Migration
  • Object
show all
Defined in:
lib/db/migrate/009_create_chips.rb

Class Method Summary collapse

Class Method Details

.down ⇒ Object 



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# File 'lib/db/migrate/009_create_chips.rb', line 22

def self.down
  drop_table :chips
end

.up ⇒ Object 



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# File 'lib/db/migrate/009_create_chips.rb', line 2

def self.up
  create_table "chips", force: :cascade do |t|
    t.string  "reference",   limit: 25,      null: false
    t.text	  "description"
    t.integer "voltage",                     null: false
    t.integer "manufacturer_id",  limit: 4,  null: false
    t.integer "package_id",       limit: 4,  null: false
    t.integer "chip_type_id",     limit: 4,  null: false
  end

  add_index "chips", ["reference"], name: "index_chips_on_reference", unique: true, using: :btree
  add_index "chips", ["manufacturer_id"], name: "index_chips_on_manufacturer_id", using: :btree
  add_index "chips", ["package_id"], name: "index_chips_on_package_id", using: :btree
  add_index "chips", ["chip_type_id"], name: "index_chips_on_chip_type_id", using: :btree

  add_foreign_key "chips", "manufacturers"
  add_foreign_key "chips", "packages"
  add_foreign_key "chips", "chip_types"
end