Migrate ActiveStorage

db/migrate/20181130024918_create_active_storage_tables.active_storage.rb

@@ -0,0 +1,29 @@
+# frozen_string_literal: true
+
+# This migration comes from active_storage (originally 20170806125915)
+class CreateActiveStorageTables < ActiveRecord::Migration[5.2]
+  def change
+    create_table :active_storage_blobs do |t|
+      t.string   :key,        null: false
+      t.string   :filename,   null: false
+      t.string   :content_type
+      t.text     :metadata
+      t.bigint   :byte_size,  null: false
+      t.string   :checksum,   null: false
+      t.datetime :created_at, null: false
+
+      t.index :key, unique: true
+    end
+
+    create_table :active_storage_attachments do |t|
+      t.string     :name,       null: false
+      t.references :record,     null: false, polymorphic: true, index: false
+      t.references :blob,       null: false
+      t.datetime   :created_at, null: false
+
+      t.index %i[record_type record_id name blob_id],
+              name:   'index_active_storage_attachments_uniqueness',
+              unique: true
+    end
+  end
+end

db/schema.rb

@@ -10,11 +10,32 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 2018_11_30_010029) do
+ActiveRecord::Schema.define(version: 2018_11_30_024918) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
 
+  create_table "active_storage_attachments", force: :cascade do |t|
+    t.string "name", null: false
+    t.string "record_type", null: false
+    t.bigint "record_id", null: false
+    t.bigint "blob_id", null: false
+    t.datetime "created_at", null: false
+    t.index ["blob_id"], name: "index_active_storage_attachments_on_blob_id"
+    t.index ["record_type", "record_id", "name", "blob_id"], name: "index_active_storage_attachments_uniqueness", unique: true
+  end
+
+  create_table "active_storage_blobs", force: :cascade do |t|
+    t.string "key", null: false
+    t.string "filename", null: false
+    t.string "content_type"
+    t.text "metadata"
+    t.bigint "byte_size", null: false
+    t.string "checksum", null: false
+    t.datetime "created_at", null: false
+    t.index ["key"], name: "index_active_storage_blobs_on_key", unique: true
+  end
+
   create_table "membership_applications", force: :cascade do |t|
     t.datetime "created_at", null: false
     t.datetime "updated_at", null: false