Add NOT NULL requirement to account columns on `AccountPin` (#33244)

app/models/account_pin.rb

@@ -5,10 +5,10 @@
 # Table name: account_pins
 #
 #  id                :bigint(8)        not null, primary key
-#  account_id        :bigint(8)
-#  target_account_id :bigint(8)
 #  created_at        :datetime         not null
 #  updated_at        :datetime         not null
+#  account_id        :bigint(8)        not null
+#  target_account_id :bigint(8)        not null
 #
 
 class AccountPin < ApplicationRecord

db/migrate/20241210140838_add_not_null_to_account_pin_account_columns.rb

@@ -0,0 +1,23 @@
+# frozen_string_literal: true
+
+class AddNotNullToAccountPinAccountColumns < ActiveRecord::Migration[7.2]
+  def up
+    connection.execute(<<~SQL.squish)
+      DELETE FROM account_pins
+      WHERE account_id IS NULL
+      OR target_account_id IS NULL
+    SQL
+
+    safety_assured do
+      change_column_null :account_pins, :account_id, false
+      change_column_null :account_pins, :target_account_id, false
+    end
+  end
+
+  def down
+    safety_assured do
+      change_column_null :account_pins, :account_id, true
+      change_column_null :account_pins, :target_account_id, true
+    end
+  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[7.2].define(version: 2024_12_05_163118) do
+ActiveRecord::Schema[7.2].define(version: 2024_12_10_140838) do
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
 
@@ -82,8 +82,8 @@ ActiveRecord::Schema[7.2].define(version: 2024_12_05_163118) do
   end
 
   create_table "account_pins", force: :cascade do |t|
-    t.bigint "account_id"
+    t.bigint "account_id", null: false
-    t.bigint "target_account_id"
+    t.bigint "target_account_id", null: false
     t.datetime "created_at", precision: nil, null: false
     t.datetime "updated_at", precision: nil, null: false
     t.index ["account_id", "target_account_id"], name: "index_account_pins_on_account_id_and_target_account_id", unique: true