Make `user_id` on `anonymous_blocks` nullable

db/migrate/20220820163035_make_user_id_on_anonymous_blocks_nullable.rb

@@ -0,0 +1,7 @@
+# frozen_string_literal: true
+
+class MakeUserIdOnAnonymousBlocksNullable < ActiveRecord::Migration[6.1]
+  def change
+    change_column_null :anonymous_blocks, :user_id, true
+  end
+end

db/schema.rb

@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 2022_07_20_190421) do
+ActiveRecord::Schema.define(version: 2022_08_20_163035) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
@@ -46,6 +46,8 @@ ActiveRecord::Schema.define(version: 2022_07_20_190421) do
     t.datetime "created_at"
     t.datetime "updated_at"
     t.integer "smile_count", default: 0, null: false
+    t.datetime "deleted_at"
+    t.index ["deleted_at"], name: "index_answers_on_deleted_at"
     t.index ["question_id"], name: "index_answers_on_question_id"
     t.index ["user_id", "created_at"], name: "index_answers_on_user_id_and_created_at"
   end
@@ -58,6 +60,8 @@ ActiveRecord::Schema.define(version: 2022_07_20_190421) do
     t.text "content"
     t.datetime "created_at", precision: 6, null: false
     t.datetime "updated_at", precision: 6, null: false
+    t.datetime "deleted_at"
+    t.index ["deleted_at"], name: "index_appendables_on_deleted_at"
     t.index ["parent_id", "parent_type"], name: "index_appendables_on_parent_id_and_parent_type"
     t.index ["user_id", "created_at"], name: "index_appendables_on_user_id_and_created_at"
   end
@@ -69,7 +73,9 @@ ActiveRecord::Schema.define(version: 2022_07_20_190421) do
     t.datetime "created_at"
     t.datetime "updated_at"
     t.integer "smile_count", default: 0, null: false
+    t.datetime "deleted_at"
     t.index ["answer_id"], name: "index_comments_on_answer_id"
+    t.index ["deleted_at"], name: "index_comments_on_deleted_at"
     t.index ["user_id", "created_at"], name: "index_comments_on_user_id_and_created_at"
   end
 
@@ -144,6 +150,8 @@ ActiveRecord::Schema.define(version: 2022_07_20_190421) do
     t.datetime "updated_at"
     t.integer "answer_count", default: 0, null: false
     t.boolean "direct", default: false, null: false
+    t.datetime "deleted_at"
+    t.index ["deleted_at"], name: "index_questions_on_deleted_at"
     t.index ["user_id", "created_at"], name: "index_questions_on_user_id_and_created_at"
   end
 
@@ -292,7 +300,9 @@ ActiveRecord::Schema.define(version: 2022_07_20_190421) do
     t.datetime "export_created_at"
     t.string "otp_secret_key"
     t.integer "otp_module", default: 0, null: false
+    t.datetime "deleted_at"
     t.index ["confirmation_token"], name: "index_users_on_confirmation_token", unique: true
+    t.index ["deleted_at"], name: "index_users_on_deleted_at"
     t.index ["email"], name: "index_users_on_email", unique: true
     t.index ["reset_password_token"], name: "index_users_on_reset_password_token", unique: true
     t.index ["screen_name"], name: "index_users_on_screen_name", unique: true