Merge pull request rails#48409 from abaldwin88/test_postgres_auto_populate_virtual_stored_columns

Test virtual stored columns on create for Postgres

Author: rafaelfranca

activerecord/test/cases/persistence_test.rb

@@ -47,6 +47,7 @@ def test_fills_auto_populated_columns_on_creation
     record_with_defaults = Default.create
     assert_not_nil record_with_defaults.id
     assert_equal "Ruby on Rails", record_with_defaults.ruby_on_rails
+    assert_not_nil record_with_defaults.virtual_stored_number
     assert_not_nil record_with_defaults.rand_number
     assert_not_nil record_with_defaults.modified_date
     assert_not_nil record_with_defaults.modified_date_function

activerecord/test/schema/postgresql_specific_schema.rb

@@ -25,6 +25,7 @@
   end
 
   create_table :defaults, force: true do |t|
+    t.virtual :virtual_stored_number, type: :integer, as: "rand_number * 10", stored: true
     t.integer :rand_number, default: -> { "random() * 100" }
     t.string :ruby_on_rails, default: -> { "concat('Ruby ', 'on ', 'Rails')" }
     t.date :modified_date, default: -> { "CURRENT_DATE" }