class ActiveRecord::ConnectionAdapters::SQLite3Adapter

def alter_table(
  table_name,
  foreign_keys = foreign_keys(table_name),
  check_constraints = check_constraints(table_name),
  **options
)
  altered_table_name = "a#{table_name}"
  caller = lambda do |definition|
    rename = options[:rename] || {}
    foreign_keys.each do |fk|
      if column = rename[fk.options[:column]]
        fk.options[:column] = column
      end
      to_table = strip_table_name_prefix_and_suffix(fk.to_table)
      definition.foreign_key(to_table, **fk.options)
    end
    check_constraints.each do |chk|
      definition.check_constraint(chk.expression, **chk.options)
    end
    yield definition if block_given?
  end
  transaction do
    disable_referential_integrity do
      move_table(table_name, altered_table_name, options.merge(temporary: true))
      move_table(altered_table_name, table_name, &caller)
    end
  end
end