chore: Minor changes to dummy app migrations

spec/dummy/db/migrate/20170806125915_create_active_storage_tables.active_storage.rb

@@ -1,27 +0,0 @@
-# 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 [ :record_type, :record_id, :name, :blob_id ], name: "index_active_storage_attachments_uniqueness", unique: true
-      t.foreign_key :active_storage_blobs, column: :blob_id
-    end
-  end
-end

spec/dummy/db/migrate/20180101010101_create_active_admin_comments.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 class CreateActiveAdminComments < ActiveRecord::Migration[6.0]
   def self.up
     create_table :active_admin_comments do |t|

spec/dummy/db/migrate/20180101010102_create_active_storage_tables.active_storage.rb

@@ -0,0 +1,59 @@
+# frozen_string_literal: true
+# This migration comes from active_storage (originally 20170806125915)
+
+class CreateActiveStorageTables < ActiveRecord::Migration[6.0]
+  def change
+    # Use Active Record's configured type for primary and foreign keys
+    primary_key_type, foreign_key_type = primary_and_foreign_key_types
+
+    create_table :active_storage_blobs, id: primary_key_type do |t|
+      t.string   :key,          null: false
+      t.string   :filename,     null: false
+      t.string   :content_type
+      t.text     :metadata
+      t.string   :service_name, null: false
+      t.bigint   :byte_size,    null: false
+      t.string   :checksum
+
+      if connection.supports_datetime_with_precision?
+        t.datetime :created_at, precision: 6, null: false
+      else
+        t.datetime :created_at, null: false
+      end
+
+      t.index [ :key ], unique: true
+    end
+
+    create_table :active_storage_attachments, id: primary_key_type do |t|
+      t.string     :name,     null: false
+      t.references :record,   null: false, polymorphic: true, index: false, type: foreign_key_type
+      t.references :blob,     null: false, type: foreign_key_type
+
+      if connection.supports_datetime_with_precision?
+        t.datetime :created_at, precision: 6, null: false
+      else
+        t.datetime :created_at, null: false
+      end
+
+      t.index [ :record_type, :record_id, :name, :blob_id ], name: :index_active_storage_attachments_uniqueness, unique: true
+      t.foreign_key :active_storage_blobs, column: :blob_id
+    end
+
+    create_table :active_storage_variant_records, id: primary_key_type do |t|
+      t.belongs_to :blob, null: false, index: false, type: foreign_key_type
+      t.string :variation_digest, null: false
+
+      t.index [ :blob_id, :variation_digest ], name: :index_active_storage_variant_records_uniqueness, unique: true
+      t.foreign_key :active_storage_blobs, column: :blob_id
+    end
+  end
+
+  private
+    def primary_and_foreign_key_types
+      config = Rails.configuration.generators
+      setting = config.options[config.orm][:primary_key_type]
+      primary_key_type = setting || :primary_key
+      foreign_key_type = setting || :bigint
+      [ primary_key_type, foreign_key_type ]
+    end
+end

spec/dummy/db/migrate/20180607053251_create_authors.rb

@@ -1,6 +1,6 @@
 # frozen_string_literal: true
 
-class CreateAuthors < ActiveRecord::Migration[5.2]
+class CreateAuthors < ActiveRecord::Migration[6.0]
   def change
     create_table :authors do |t|
       t.string :name

spec/dummy/db/migrate/20180607053254_create_profiles.rb

@@ -1,6 +1,6 @@
 # frozen_string_literal: true
 
-class CreateProfiles < ActiveRecord::Migration[5.2]
+class CreateProfiles < ActiveRecord::Migration[6.0]
   def change
     create_table :profiles do |t|
       t.text :description

spec/dummy/db/migrate/20180607053255_create_tags.rb

@@ -1,6 +1,6 @@
 # frozen_string_literal: true
 
-class CreateTags < ActiveRecord::Migration[5.2]
+class CreateTags < ActiveRecord::Migration[6.0]
   def change
     create_table :tags do |t|
       t.string :name

spec/dummy/db/migrate/20180607053257_create_post_tags.rb

@@ -1,6 +1,6 @@
 # frozen_string_literal: true
 
-class CreatePostTags < ActiveRecord::Migration[5.2]
+class CreatePostTags < ActiveRecord::Migration[6.0]
   def change
     create_table :post_tags do |t|
       t.belongs_to :post, foreign_key: true

spec/dummy/db/migrate/20180607053739_create_posts.rb

@@ -1,6 +1,6 @@
 # frozen_string_literal: true
 
-class CreatePosts < ActiveRecord::Migration[5.2]
+class CreatePosts < ActiveRecord::Migration[6.0]
   def change
     create_table :posts do |t|
       t.string :title

spec/dummy/db/schema.rb

@@ -11,16 +11,15 @@
 # It's strongly recommended that you check this file into your version control system.
 
 ActiveRecord::Schema.define(version: 2018_06_07_053739) do
-
   create_table "active_admin_comments", force: :cascade do |t|
     t.string "namespace"
     t.text "body"
     t.string "resource_type"
-    t.bigint "resource_id"
+    t.integer "resource_id"
     t.string "author_type"
-    t.bigint "author_id"
-    t.datetime "created_at", precision: 6, null: false
-    t.datetime "updated_at", precision: 6, null: false
+    t.integer "author_id"
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
     t.index ["author_type", "author_id"], name: "index_active_admin_comments_on_author_type_and_author_id"
     t.index ["namespace"], name: "index_active_admin_comments_on_namespace"
     t.index ["resource_type", "resource_id"], name: "index_active_admin_comments_on_resource_type_and_resource_id"
@@ -29,8 +28,8 @@ ActiveRecord::Schema.define(version: 2018_06_07_053739) do
   create_table "active_storage_attachments", force: :cascade do |t|
     t.string "name", null: false
     t.string "record_type", null: false
-    t.integer "record_id", null: false
-    t.integer "blob_id", 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
@@ -41,25 +40,32 @@ ActiveRecord::Schema.define(version: 2018_06_07_053739) do
     t.string "filename", null: false
     t.string "content_type"
     t.text "metadata"
+    t.string "service_name", null: false
     t.bigint "byte_size", null: false
-    t.string "checksum", null: false
+    t.string "checksum"
     t.datetime "created_at", null: false
     t.index ["key"], name: "index_active_storage_blobs_on_key", unique: true
   end
 
+  create_table "active_storage_variant_records", force: :cascade do |t|
+    t.bigint "blob_id", null: false
+    t.string "variation_digest", null: false
+    t.index ["blob_id", "variation_digest"], name: "index_active_storage_variant_records_uniqueness", unique: true
+  end
+
   create_table "authors", force: :cascade do |t|
     t.string "name"
     t.integer "age"
     t.string "email"
-    t.datetime "created_at", null: false
-    t.datetime "updated_at", null: false
+    t.datetime "created_at", precision: nil, null: false
+    t.datetime "updated_at", precision: nil, null: false
   end
 
   create_table "post_tags", force: :cascade do |t|
     t.integer "post_id"
     t.integer "tag_id"
-    t.datetime "created_at", null: false
-    t.datetime "updated_at", null: false
+    t.datetime "created_at", precision: nil, null: false
+    t.datetime "updated_at", precision: nil, null: false
     t.index ["post_id"], name: "index_post_tags_on_post_id"
     t.index ["tag_id"], name: "index_post_tags_on_tag_id"
   end
@@ -70,29 +76,30 @@ ActiveRecord::Schema.define(version: 2018_06_07_053739) do
     t.text "description"
     t.integer "author_id"
     t.string "category"
-    t.datetime "dt"
+    t.datetime "dt", precision: nil
     t.float "position"
     t.boolean "published"
-    t.datetime "created_at", null: false
-    t.datetime "updated_at", null: false
+    t.datetime "created_at", precision: nil, null: false
+    t.datetime "updated_at", precision: nil, null: false
     t.index ["author_id"], name: "index_posts_on_author_id"
   end
 
   create_table "profiles", force: :cascade do |t|
     t.text "description"
     t.integer "author_id"
-    t.datetime "created_at", null: false
-    t.datetime "updated_at", null: false
+    t.datetime "created_at", precision: nil, null: false
+    t.datetime "updated_at", precision: nil, null: false
     t.index ["author_id"], name: "index_profiles_on_author_id"
   end
 
   create_table "tags", force: :cascade do |t|
     t.string "name"
-    t.datetime "created_at", null: false
-    t.datetime "updated_at", null: false
+    t.datetime "created_at", precision: nil, null: false
+    t.datetime "updated_at", precision: nil, null: false
   end
 
   add_foreign_key "active_storage_attachments", "active_storage_blobs", column: "blob_id"
+  add_foreign_key "active_storage_variant_records", "active_storage_blobs", column: "blob_id"
   add_foreign_key "post_tags", "posts"
   add_foreign_key "post_tags", "tags"
   add_foreign_key "posts", "authors"