add active storage

db/migrate/20210804233306_create_active_storage_tables.active_storage.rb

@@ -0,0 +1,43 @@
+# 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.string(:service_name, null: false)
+      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
+
+    # rubocop:disable Rails/CreateTableWithTimestamps
+    create_table(:active_storage_variant_records) do |t|
+      t.belongs_to(:blob, null: false, index: false)
+      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
+    # rubocop:enable Rails/CreateTableWithTimestamps
+  end
+end

db/schema.rb

@@ -10,11 +10,39 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 2021_08_04_230323) do
+ActiveRecord::Schema.define(version: 2021_08_04_233306) 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.string "service_name", null: false
+    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 "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 "admin_users", force: :cascade do |t|
     t.string "email", default: "", null: false
     t.string "encrypted_password", default: "", null: false
@@ -36,4 +64,6 @@ ActiveRecord::Schema.define(version: 2021_08_04_230323) do
     t.index ["email"], name: "index_users_on_email", unique: true
   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"
 end